564 
FNUS55 KCYS 090939
FWFCYS

FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST WYOMING/WESTERN NEBRASKA
NATIONAL WEATHER SERVICE CHEYENNE WY
339 AM MDT TUE APR 9 2013

...SIGNIFICANT SPRING SNOWSTORM WILL IMPACT THE REGION THROUGH
TONIGHT...

.DISCUSSION...NO FIRE WEATHER CONCERNS FOR THE NEXT SEVERAL DAYS
DUE TO EXTENSIVE SNOW PACK FROM THE EARLY WEEK SNOWSTORM. TOTAL
SNOWFALL WILL RANGE FROM 6 TO 12 INCHES...WITH OVER A FOOT POSSIBLE
IN THE MOUNTAINS. THE SNOW COMBINED WITH GUSTY NORTH TO NORTHEAST WINDS
OF 35 TO 45 MPH TODAY WILL CREATE NEAR WHITEOUT CONDITIONS AT TIMES
FOR THE EASTERN WYOMING PLAINS AND WESTERN NEBRASKA PANHANDLE. 
TEMPERATURES TODAY THROUGH WEDNESDAY WILL BE WELL BELOW NORMAL. THE
WINDS AND SNOW WILL DIMINISH TONIGHT AND WEDNESDAY AS THE STORM
SYSTEM SLOWLY MOVES NORTHEAST INTO THE CENTRAL PLAINS. MILDER 
TEMPERATURES WITH SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WILL
PREVAIL THURSDAY THROUGH SUNDAY.

WYZ301-092230-
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL
GRASSLAND-
339 AM MDT TUE APR 9 2013

...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

.TODAY...
SKY/WEATHER.........CLOUDY. AREAS OF BLOWING SNOW. SNOW. SNOW 
                    ACCUMULATION AROUND 6 INCHES. 
MAX TEMPERATURE.....17-22. 
   24 HR TREND......30 DEGREES COOLER. 
MIN HUMIDITY........66-72 PERCENT. 
   24 HR TREND......8 PERCENT WETTER. 
20-FOOT WINDS.......NORTHEAST 10 TO 20 MPH SHIFTING TO THE 
                    NORTHWEST IN THE AFTERNOON. GUSTS UP TO 35 MPH. 
LAL.................1. 
CHC OF WETTING RAIN.70 PERCENT. 
TRANSPORT WINDS.....NORTH AROUND 25 MPH. 
MIXING HEIGHT.......2400-3000 FT AGL. 
SMOKE DISPERSAL.....FAIR (54800-56700 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.TONIGHT...
SKY/WEATHER.........CLOUDY. AREAS OF BLOWING SNOW UNTIL 2400. SNOW 
                    UNTIL 2400...THEN SNOW LIKELY. SNOW 
                    ACCUMULATION AROUND 2 INCHES. 
MIN TEMPERATURE.....7-12. 
   24 HR TREND......4 DEGREES COOLER. 
MAX HUMIDITY........94-100 PERCENT. 
   24 HR TREND......UNCHANGED. 
HUMIDITY RECOVERY...EXCELLENT. 
20-FOOT WINDS.......NORTHWEST 10 TO 20 MPH AND GUSTY. 
LAL.................1. 
CHC OF WETTING RAIN.45 PERCENT. 
TRANSPORT WINDS.....NORTH 15 TO 20 MPH. 
MIXING HEIGHT.......2500-3400 FT AGL. 
SMOKE DISPERSAL.....POOR TO FAIR (36300-45200 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.WEDNESDAY...
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1500...THEN PARTLY CLOUDY. 
                    SLIGHT CHANCE OF SNOW. 
MAX TEMPERATURE.....28-33. 
   24 HR TREND......12 DEGREES WARMER. 
MIN HUMIDITY........55-61 PERCENT. 
   24 HR TREND......9 PERCENT DRIER. 
20-FOOT WINDS.......NORTHWEST 10 TO 15 MPH WITH HIGHER GUSTS. 
LAL.................1. 
CHC OF WETTING RAIN.5 PERCENT. 
TRANSPORT WINDS.....NORTH AROUND 15 MPH. 
MIXING HEIGHT.......4000-5000 FT AGL. 
SMOKE DISPERSAL.....FAIR (51800-54900 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.FORECAST DAYS 3 THROUGH 7...
.THURSDAY...PARTLY CLOUDY. ISOLATED SHOWERS...THUNDERSTORMS AND
SNOW SHOWERS. LOWS AROUND 14. HIGHS IN THE LOWER 40S. WINDS
GENERALLY LESS THAN 10 MPH. 
.FRIDAY...MOSTLY CLOUDY WITH ISOLATED SHOWERS...THUNDERSTORMS AND
SNOW SHOWERS. LOWS IN THE MID 20S. HIGHS IN THE MID 40S. WINDS
GENERALLY LESS THAN 10 MPH. 
.SATURDAY...PARTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS IN THE
LOWER 50S. SOUTHWEST WINDS AROUND 10 MPH. 
.SUNDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS...THUNDERSTORMS
AND SNOW SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 40S. 
.MONDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS...THUNDERSTORMS
AND SNOW SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE MID 40S. 

$$

WYZ302-092230-
NORTH LARAMIE RANGE/MEDICINE BOW NF-
339 AM MDT TUE APR 9 2013

...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

.TODAY...
SKY/WEATHER.........CLOUDY. AREAS OF BLOWING SNOW. SNOW. SNOW 
                    ACCUMULATION OF 6 TO 7 INCHES. 
MAX TEMPERATURE.....11-16. 
   24 HR TREND......31 DEGREES COOLER. 
MIN HUMIDITY........66-72 PERCENT. 
   24 HR TREND......14 PERCENT WETTER. 
20-FOOT WINDS.......BREEZY. NORTHEAST 15 TO 25 MPH WITH GUSTS TO 
                    AROUND 45 MPH. 
LAL.................1. 
CHC OF WETTING RAIN.65 PERCENT. 
TRANSPORT WINDS.....NORTH AROUND 25 MPH. 
MIXING HEIGHT.......1700-2500 FT AGL. 
SMOKE DISPERSAL.....FAIR (45100-48000 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.TONIGHT...
SKY/WEATHER.........CLOUDY. SNOW LIKELY UNTIL 2400. CHANCE OF SNOW 
                    AFTER 2400. AREAS OF BLOWING SNOW AFTER 2100 
                    UNTIL 2400. SNOW ACCUMULATION OF 1 TO 3 INCHES. 
MIN TEMPERATURE.....5-10. 
   24 HR TREND......1 DEGREE COOLER. 
MAX HUMIDITY........83-89 PERCENT. 
   24 HR TREND......5 PERCENT DRIER. 
HUMIDITY RECOVERY...EXCELLENT. 
20-FOOT WINDS.......NORTHWEST 10 TO 20 MPH AND GUSTY. 
LAL.................1. 
CHC OF WETTING RAIN.40 PERCENT. 
TRANSPORT WINDS.....NORTH 15 TO 20 MPH. 
MIXING HEIGHT.......1600-2700 FT AGL. 
SMOKE DISPERSAL.....POOR (23900-30800 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.WEDNESDAY...
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SNOW. 
MAX TEMPERATURE.....25-30. 
   24 HR TREND......16 DEGREES WARMER. 
MIN HUMIDITY........53-59 PERCENT. 
   24 HR TREND......18 PERCENT DRIER. 
20-FOOT WINDS.......NORTHWEST 10 TO 15 MPH WITH HIGHER GUSTS. 
LAL.................1. 
CHC OF WETTING RAIN.5 PERCENT. 
TRANSPORT WINDS.....NORTH AROUND 15 MPH. 
MIXING HEIGHT.......3100-4600 FT AGL. 
SMOKE DISPERSAL.....FAIR TO GOOD (45400-60100 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.FORECAST DAYS 3 THROUGH 7...
.THURSDAY...NOT AS COOL. PARTLY CLOUDY. SCATTERED SHOWERS...
THUNDERSTORMS AND SNOW SHOWERS. LOWS AROUND 19. HIGHS IN THE
UPPER 30S. WEST WINDS AROUND 10 MPH. 
.FRIDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS...THUNDERSTORMS
AND SNOW SHOWERS. LOWS IN THE MID 20S. HIGHS IN THE LOWER 40S.
WEST WINDS AROUND 10 MPH. 
.SATURDAY...PARTLY CLOUDY WITH ISOLATED SHOWERS...THUNDERSTORMS
AND SNOW SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 40S.
WEST WINDS AROUND 20 MPH. 
.SUNDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS...THUNDERSTORMS
AND SNOW SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 40S. 
.MONDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS...THUNDERSTORMS
AND SNOW SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE LOWER 40S. 

$$

WYZ303-092230-
CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS-
339 AM MDT TUE APR 9 2013

...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

.TODAY...
SKY/WEATHER.........CLOUDY. AREAS OF BLOWING SNOW. SNOW. SNOW 
                    ACCUMULATION OF 4 TO 5 INCHES. 
MAX TEMPERATURE.....14-19. 
   24 HR TREND......29 DEGREES COOLER. 
MIN HUMIDITY........61-67 PERCENT. 
   24 HR TREND......2 PERCENT DRIER. 
20-FOOT WINDS.......WINDY. NORTHEAST 15 TO 35 MPH WITH GUSTS TO 
                    AROUND 60 MPH. 
LAL.................1. 
CHC OF WETTING RAIN.65 PERCENT. 
TRANSPORT WINDS.....NORTH 25 TO 30 MPH. 
MIXING HEIGHT.......2400-3100 FT AGL. 
SMOKE DISPERSAL.....GOOD (63600-72000 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY. AREAS OF BLOWING SNOW UNTIL 
                    2400. CHANCE OF SNOW. 
MIN TEMPERATURE.....5-10. 
   24 HR TREND......UNCHANGED. 
MAX HUMIDITY........77-83 PERCENT. 
   24 HR TREND......17 PERCENT DRIER. 
HUMIDITY RECOVERY...GOOD. 
20-FOOT WINDS.......BREEZY. EAST 10 TO 25 MPH WITH GUSTS TO AROUND 
                    40 MPH SHIFTING TO THE WEST 10 TO 15 MPH AND 
                    GUSTY AFTER MIDNIGHT. 
LAL.................1. 
CHC OF WETTING RAIN.20 PERCENT. 
TRANSPORT WINDS.....NORTH 10 TO 15 MPH. 
MIXING HEIGHT.......1900-2600 FT AGL. 
SMOKE DISPERSAL.....POOR (17100-33300 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.WEDNESDAY...
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 
                    1200. 
MAX TEMPERATURE.....29-34. 
   24 HR TREND......14 DEGREES WARMER. 
MIN HUMIDITY........45-51 PERCENT. 
   24 HR TREND......15 PERCENT DRIER. 
20-FOOT WINDS.......WEST 10 TO 15 MPH WITH HIGHER GUSTS. 
LAL.................1. 
CHC OF WETTING RAIN.ZERO PERCENT. 
TRANSPORT WINDS.....NORTH 10 TO 15 MPH. 
MIXING HEIGHT.......3300-4900 FT AGL. 
SMOKE DISPERSAL.....POOR TO FAIR (35700-57300 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.FORECAST DAYS 3 THROUGH 7...
.THURSDAY...PARTLY CLOUDY. SCATTERED SHOWERS...THUNDERSTORMS AND
SNOW SHOWERS. LOWS IN THE LOWER 20S. HIGHS IN THE LOWER 40S. WEST
WINDS AROUND 10 MPH. 
.FRIDAY...MOSTLY CLOUDY WITH SCATTERED THUNDERSTORMS...SNOW
SHOWERS AND SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE MID 40S.
WEST WINDS AROUND 10 MPH. 
.SATURDAY...PARTLY CLOUDY WITH ISOLATED SHOWERS...THUNDERSTORMS
AND SNOW SHOWERS. LOWS IN THE MID 20S. HIGHS IN THE UPPER 40S.
SOUTHWEST WINDS AROUND 15 MPH. 
.SUNDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS...THUNDERSTORMS
AND SNOW SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE MID 40S. 
.MONDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS...THUNDERSTORMS
AND SNOW SHOWERS. LOWS IN THE MID 20S. HIGHS IN THE LOWER 40S. 

$$

WYZ304-092230-
SOUTHWEST CARBON-
339 AM MDT TUE APR 9 2013

...WINTER STORM WARNING IN EFFECT UNTIL 6 PM MDT THIS EVENING...

.TODAY...
SKY/WEATHER.........CLOUDY. AREAS OF BLOWING SNOW. SNOW. SNOW 
                    ACCUMULATION AROUND 3 INCHES. 
MAX TEMPERATURE.....19-24. 
   24 HR TREND......36 DEGREES COOLER. 
MIN HUMIDITY........53-59 PERCENT. 
   24 HR TREND......38 PERCENT WETTER. 
20-FOOT WINDS.......WINDY. NORTHEAST 20 TO 35 MPH WITH GUSTS TO 
                    AROUND 60 MPH. 
LAL.................1. 
CHC OF WETTING RAIN.60 PERCENT. 
TRANSPORT WINDS.....NORTH 35 TO 40 MPH. 
MIXING HEIGHT.......2700-3400 FT AGL. 
SMOKE DISPERSAL.....GOOD (93300-95900 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 0300...THEN PARTLY CLOUDY. 
                    AREAS OF BLOWING SNOW UNTIL 2400. CHANCE OF 
                    SNOW UNTIL 2400...THEN SLIGHT CHANCE OF SNOW. 
MIN TEMPERATURE.....10-15. 
   24 HR TREND......7 DEGREES COOLER. 
MAX HUMIDITY........68-74 PERCENT. 
   24 HR TREND......23 PERCENT DRIER. 
HUMIDITY RECOVERY...GOOD. 
20-FOOT WINDS.......BREEZY. NORTHEAST 10 TO 25 MPH WITH GUSTS TO 
                    AROUND 40 MPH SHIFTING TO THE WEST 10 TO 15 MPH 
                    AND GUSTY AFTER MIDNIGHT. 
LAL.................1. 
CHC OF WETTING RAIN.10 PERCENT. 
TRANSPORT WINDS.....NORTH AROUND 25 MPH DECREASING TO AROUND 10 MPH 
                    AFTER MIDNIGHT. 
MIXING HEIGHT.......2000-2500 FT AGL. 
SMOKE DISPERSAL.....POOR TO FAIR (19900-48800 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.WEDNESDAY...
SKY/WEATHER.........PARTLY CLOUDY. 
MAX TEMPERATURE.....30-35. 
   24 HR TREND......11 DEGREES WARMER. 
MIN HUMIDITY........41-47 PERCENT. 
   24 HR TREND......13 PERCENT DRIER. 
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH BECOMING WEST AROUND 
                    10 MPH IN THE AFTERNOON. 
LAL.................1. 
CHC OF WETTING RAIN.ZERO PERCENT. 
TRANSPORT WINDS.....NORTH AROUND 10 MPH. 
MIXING HEIGHT.......3200-4800 FT AGL. 
SMOKE DISPERSAL.....POOR TO FAIR (25400-42300 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.FORECAST DAYS 3 THROUGH 7...
.THURSDAY...NOT AS COOL. PARTLY CLOUDY. SCATTERED SHOWERS...
THUNDERSTORMS AND SNOW SHOWERS. LOWS IN THE LOWER 20S. HIGHS IN
THE MID 40S. SOUTHWEST WINDS AROUND 10 MPH. 
.FRIDAY...MOSTLY CLOUDY. SCATTERED SHOWERS...THUNDERSTORMS AND
SNOW SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 40S.
WINDS GENERALLY LESS THAN 10 MPH. 
.SATURDAY...PARTLY CLOUDY WITH ISOLATED SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 20S. HIGHS IN THE LOWER 50S.
SOUTHWEST WINDS AROUND 15 MPH. 
.SUNDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS...THUNDERSTORMS
AND SNOW SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 40S. 
.MONDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS...THUNDERSTORMS
AND SNOW SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 40S. 

$$

WYZ305-092230-
SIERRA MADRE RANGE/MEDICINE BOW NF-
339 AM MDT TUE APR 9 2013

...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

.TODAY...
SKY/WEATHER.........CLOUDY. AREAS OF BLOWING SNOW. SNOW. SNOW 
                    ACCUMULATION OF 3 TO 5 INCHES. 
MAX TEMPERATURE.....15-21. 
   24 HR TREND......32 DEGREES COOLER. 
MIN HUMIDITY........59-65 PERCENT. 
   24 HR TREND......31 PERCENT WETTER. 
20-FOOT WINDS.......WINDY. NORTHEAST 10 TO 35 MPH WITH GUSTS TO 
                    AROUND 55 MPH. 
LAL.................1. 
CHC OF WETTING RAIN.60 PERCENT. 
TRANSPORT WINDS.....NORTH 30 TO 35 MPH. 
MIXING HEIGHT.......1900-2900 FT AGL. 
SMOKE DISPERSAL.....GOOD (65600-68200 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY. AREAS OF BLOWING SNOW UNTIL 
                    2400. CHANCE OF SNOW UNTIL 2400...THEN SLIGHT 
                    CHANCE OF SNOW. 
MIN TEMPERATURE.....3-9. 
   24 HR TREND......4 DEGREES COOLER. 
MAX HUMIDITY........77-83 PERCENT. 
   24 HR TREND......8 PERCENT DRIER. 
HUMIDITY RECOVERY...GOOD. 
20-FOOT WINDS.......BREEZY. NORTHEAST 10 TO 25 MPH WITH GUSTS TO 
                    AROUND 40 MPH SHIFTING TO THE EAST 10 TO 15 MPH 
                    AFTER MIDNIGHT. 
LAL.................1. 
CHC OF WETTING RAIN.20 PERCENT. 
TRANSPORT WINDS.....NORTH AROUND 20 MPH DECREASING TO AROUND 10 MPH 
                    AFTER MIDNIGHT. 
MIXING HEIGHT.......1600-2200 FT AGL. 
SMOKE DISPERSAL.....POOR (17400-34000 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.WEDNESDAY...
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW. 
MAX TEMPERATURE.....27-32. 
   24 HR TREND......11 DEGREES WARMER. 
MIN HUMIDITY........40-46 PERCENT. 
   24 HR TREND......13 PERCENT DRIER. 
20-FOOT WINDS.......WEST 10 TO 15 MPH WITH HIGHER GUSTS. 
LAL.................1. 
CHC OF WETTING RAIN.ZERO PERCENT. 
TRANSPORT WINDS.....NORTH 10 TO 15 MPH. 
MIXING HEIGHT.......3200-4900 FT AGL. 
SMOKE DISPERSAL.....POOR TO FAIR (32800-56300 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.FORECAST DAYS 3 THROUGH 7...
.THURSDAY...MOSTLY CLOUDY. SCATTERED SHOWERS...THUNDERSTORMS AND
SNOW SHOWERS. LOWS AROUND 18. HIGHS IN THE UPPER 30S. WEST WINDS
AROUND 10 MPH. 
.FRIDAY...MOSTLY CLOUDY WITH SCATTERED THUNDERSTORMS...SNOW
SHOWERS AND ISOLATED SHOWERS. LOWS IN THE MID 20S. HIGHS IN THE
LOWER 40S. WINDS GENERALLY LESS THAN 10 MPH. 
.SATURDAY...PARTLY CLOUDY. ISOLATED SHOWERS...THUNDERSTORMS AND
SNOW SHOWERS. LOWS IN THE MID 20S. HIGHS IN THE MID 40S.
SOUTHWEST WINDS AROUND 15 MPH. 
.SUNDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS...THUNDERSTORMS
AND SNOW SHOWERS. LOWS IN THE UPPER 20S. HIGHS AROUND 40. 
.MONDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS...THUNDERSTORMS
AND SNOW SHOWERS. LOWS IN THE MID 20S. HIGHS IN THE LOWER 40S. 

$$

WYZ306-092230-
UPPER NORTH PLATTE RIVER BASIN-
339 AM MDT TUE APR 9 2013

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

.TODAY...
SKY/WEATHER.........CLOUDY. AREAS OF BLOWING SNOW. SNOW. SNOW 
                    ACCUMULATION AROUND 3 INCHES. 
MAX TEMPERATURE.....17-22. 
   24 HR TREND......34 DEGREES COOLER. 
MIN HUMIDITY........56-62 PERCENT. 
   24 HR TREND......35 PERCENT WETTER. 
20-FOOT WINDS.......BREEZY. NORTHEAST 10 TO 25 MPH WITH GUSTS TO 
                    AROUND 40 MPH. 
LAL.................1. 
CHC OF WETTING RAIN.60 PERCENT. 
TRANSPORT WINDS.....NORTH AROUND 25 MPH. 
MIXING HEIGHT.......2700-3400 FT AGL. 
SMOKE DISPERSAL.....GOOD (67200-67300 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY. AREAS OF BLOWING SNOW UNTIL 
                    2400. CHANCE OF SNOW UNTIL 2400...THEN SLIGHT 
                    CHANCE OF SNOW. 
MIN TEMPERATURE.....6-11. 
   24 HR TREND......5 DEGREES COOLER. 
MAX HUMIDITY........68-74 PERCENT. 
   24 HR TREND......12 PERCENT DRIER. 
HUMIDITY RECOVERY...GOOD. 
20-FOOT WINDS.......EAST 10 TO 20 MPH AND GUSTY IN THE EVENING 
                    BECOMING DOWNSLOPE/DOWNVALLEY 4-7 MPH. 
LAL.................1. 
CHC OF WETTING RAIN.15 PERCENT. 
TRANSPORT WINDS.....NORTH AROUND 15 MPH DECREASING TO AROUND 5 MPH 
                    AFTER MIDNIGHT. 
MIXING HEIGHT.......2000-2500 FT AGL. 
SMOKE DISPERSAL.....POOR (13300-32800 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.WEDNESDAY...
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200...THEN MOSTLY CLOUDY. 
MAX TEMPERATURE.....30-35. 
   24 HR TREND......13 DEGREES WARMER. 
MIN HUMIDITY........39-45 PERCENT. 
   24 HR TREND......14 PERCENT DRIER. 
20-FOOT WINDS.......WEST AROUND 10 MPH AND GUSTY. 
LAL.................1. 
CHC OF WETTING RAIN.ZERO PERCENT. 
TRANSPORT WINDS.....NORTH 10 TO 15 MPH. 
MIXING HEIGHT.......3700-5300 FT AGL. 
SMOKE DISPERSAL.....POOR TO FAIR (32200-58000 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.FORECAST DAYS 3 THROUGH 7...
.THURSDAY...MOSTLY CLOUDY. SCATTERED SHOWERS...THUNDERSTORMS AND
SNOW SHOWERS. LOWS AROUND 19. HIGHS IN THE LOWER 40S. WEST WINDS
AROUND 10 MPH. 
.FRIDAY...MOSTLY CLOUDY WITH SCATTERED THUNDERSTORMS...SNOW
SHOWERS AND SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE MID 40S.
WINDS GENERALLY LESS THAN 10 MPH. 
.SATURDAY...PARTLY CLOUDY WITH ISOLATED SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 20S. HIGHS AROUND 50. SOUTHWEST
WINDS AROUND 15 MPH. 
.SUNDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS...THUNDERSTORMS
AND SNOW SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE MID 40S. 
.MONDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS...THUNDERSTORMS
AND SNOW SHOWERS. LOWS IN THE MID 20S. HIGHS IN THE MID 40S. 

$$

WYZ307-092230-
SNOWY RANGE/MEDICINE BOW NF-
339 AM MDT TUE APR 9 2013

...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

.TODAY...
SKY/WEATHER.........CLOUDY. AREAS OF BLOWING SNOW. SNOW. SNOW 
                    ACCUMULATION OF 4 TO 6 INCHES. 
MAX TEMPERATURE.....11-17. 
   24 HR TREND......33 DEGREES COOLER. 
MIN HUMIDITY........62-68 PERCENT. 
   24 HR TREND......33 PERCENT WETTER. 
20-FOOT WINDS.......WINDY. NORTHEAST 10 TO 30 MPH WITH GUSTS TO 
                    AROUND 50 MPH. 
LAL.................1. 
CHC OF WETTING RAIN.60 PERCENT. 
TRANSPORT WINDS.....NORTH AROUND 30 MPH. 
MIXING HEIGHT.......1700-3000 FT AGL. 
SMOKE DISPERSAL.....FAIR (54800-56100 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.TONIGHT...
SKY/WEATHER.........CLOUDY. AREAS OF BLOWING SNOW UNTIL 2100. 
                    CHANCE OF SNOW. 
MIN TEMPERATURE.....ZERO TO 5 ABOVE ZERO. 
   24 HR TREND......8 DEGREES COOLER. 
MAX HUMIDITY........77-83 PERCENT. 
   24 HR TREND......4 PERCENT DRIER. 
HUMIDITY RECOVERY...GOOD. 
20-FOOT WINDS.......EAST 10 TO 20 MPH AND GUSTY SHIFTING TO THE 
                    WEST AFTER MIDNIGHT. 
LAL.................1. 
CHC OF WETTING RAIN.25 PERCENT. 
TRANSPORT WINDS.....NORTH 10 TO 15 MPH. 
MIXING HEIGHT.......1400-2200 FT AGL. 
SMOKE DISPERSAL.....POOR (17900-25800 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.WEDNESDAY...
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200...THEN MOSTLY CLOUDY. 
                    SLIGHT CHANCE OF SNOW. 
MAX TEMPERATURE.....26-31. 
   24 HR TREND......15 DEGREES WARMER. 
MIN HUMIDITY........41-47 PERCENT. 
   24 HR TREND......21 PERCENT DRIER. 
20-FOOT WINDS.......NORTHWEST 10 TO 20 MPH WITH HIGHER GUSTS. 
LAL.................1. 
CHC OF WETTING RAIN.ZERO PERCENT. 
TRANSPORT WINDS.....NORTH 15 TO 20 MPH. 
MIXING HEIGHT.......3100-4800 FT AGL. 
SMOKE DISPERSAL.....FAIR TO GOOD (47100-76800 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.FORECAST DAYS 3 THROUGH 7...
.THURSDAY...MOSTLY CLOUDY. SCATTERED THUNDERSTORMS...SNOW SHOWERS
AND SHOWERS. LOWS AROUND 14. HIGHS IN THE UPPER 30S. WEST WINDS
AROUND 15 MPH. 
.FRIDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS...THUNDERSTORMS
AND SNOW SHOWERS. LOWS IN THE LOWER 20S. HIGHS AROUND 40. WEST
WINDS AROUND 10 MPH. 
.SATURDAY...PARTLY CLOUDY. SCATTERED SNOW SHOWERS...ISOLATED
SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 20S. HIGHS IN THE
LOWER 40S. WEST WINDS AROUND 20 MPH. 
.SUNDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS...THUNDERSTORMS
AND SNOW SHOWERS. LOWS IN THE MID 20S. HIGHS IN THE UPPER 30S. 
.MONDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS...THUNDERSTORMS
AND SNOW SHOWERS. LOWS IN THE LOWER 20S. HIGHS IN THE UPPER 30S. 

$$

WYZ308-092230-
LARAMIE VALLEY/SHIRLEY BASIN-
339 AM MDT TUE APR 9 2013

...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

.TODAY...
SKY/WEATHER.........CLOUDY. AREAS OF BLOWING SNOW. SNOW. SNOW 
                    ACCUMULATION OF 4 TO 5 INCHES. 
MAX TEMPERATURE.....13-18. 
   24 HR TREND......34 DEGREES COOLER. 
MIN HUMIDITY........63-69 PERCENT. 
   24 HR TREND......29 PERCENT WETTER. 
20-FOOT WINDS.......BREEZY. NORTHEAST 15 TO 25 MPH WITH GUSTS TO 
                    AROUND 40 MPH. 
LAL.................1. 
CHC OF WETTING RAIN.60 PERCENT. 
TRANSPORT WINDS.....NORTH 20 TO 25 MPH. 
MIXING HEIGHT.......2200-2900 FT AGL. 
SMOKE DISPERSAL.....FAIR (50800-51400 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY. AREAS OF BLOWING SNOW UNTIL 
                    2100. CHANCE OF SNOW. 
MIN TEMPERATURE.....3-8. 
   24 HR TREND......5 DEGREES COOLER. 
MAX HUMIDITY........81-87 PERCENT. 
   24 HR TREND......9 PERCENT DRIER. 
HUMIDITY RECOVERY...GOOD. 
20-FOOT WINDS.......NORTH 10 TO 15 MPH. GUSTS UP TO 25 MPH IN THE 
                    EVENING. 
LAL.................1. 
CHC OF WETTING RAIN.20 PERCENT. 
TRANSPORT WINDS.....NORTH 10 TO 15 MPH. 
MIXING HEIGHT.......1900-2500 FT AGL. 
SMOKE DISPERSAL.....POOR (17500-28800 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.WEDNESDAY...
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 
                    1200. 
MAX TEMPERATURE.....27-32. 
   24 HR TREND......16 DEGREES WARMER. 
MIN HUMIDITY........48-54 PERCENT. 
   24 HR TREND......18 PERCENT DRIER. 
20-FOOT WINDS.......NORTHWEST 10 TO 15 MPH WITH HIGHER GUSTS. 
LAL.................1. 
CHC OF WETTING RAIN.ZERO PERCENT. 
TRANSPORT WINDS.....NORTH AROUND 15 MPH. 
MIXING HEIGHT.......3400-5000 FT AGL. 
SMOKE DISPERSAL.....FAIR TO GOOD (43500-68300 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.FORECAST DAYS 3 THROUGH 7...
.THURSDAY...NOT AS COOL. PARTLY CLOUDY. SCATTERED SHOWERS...
THUNDERSTORMS AND SNOW SHOWERS. LOWS AROUND 17. HIGHS IN THE
LOWER 40S. WEST WINDS AROUND 10 MPH. 
.FRIDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS...THUNDERSTORMS
AND SNOW SHOWERS. LOWS IN THE MID 20S. HIGHS IN THE MID 40S. WEST
WINDS AROUND 10 MPH. 
.SATURDAY...PARTLY CLOUDY WITH ISOLATED SHOWERS...THUNDERSTORMS
AND SNOW SHOWERS. LOWS IN THE MID 20S. HIGHS IN THE UPPER 40S.
WEST WINDS AROUND 15 MPH. 
.SUNDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS...THUNDERSTORMS
AND SNOW SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 40S. 
.MONDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS...THUNDERSTORMS
AND SNOW SHOWERS. LOWS IN THE MID 20S. HIGHS IN THE LOWER 40S. 

$$

WYZ309-092230-
SOUTH LARAMIE RANGE/MEDICINE BOW NF-
339 AM MDT TUE APR 9 2013

...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

.TODAY...
SKY/WEATHER.........CLOUDY. AREAS OF BLOWING SNOW. SNOW. SNOW 
                    ACCUMULATION OF 6 TO 7 INCHES. 
MAX TEMPERATURE.....12-17. 
   24 HR TREND......34 DEGREES COOLER. 
MIN HUMIDITY........68-74 PERCENT. 
   24 HR TREND......30 PERCENT WETTER. 
20-FOOT WINDS.......BREEZY. NORTHEAST 15 TO 25 MPH WITH GUSTS TO 
                    AROUND 40 MPH. 
LAL.................1. 
CHC OF WETTING RAIN.60 PERCENT. 
TRANSPORT WINDS.....NORTH 25 TO 30 MPH. 
MIXING HEIGHT.......2300-2900 FT AGL. 
SMOKE DISPERSAL.....FAIR TO GOOD (57100-60200 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.TONIGHT...
SKY/WEATHER.........CLOUDY. AREAS OF BLOWING SNOW UNTIL 2400. 
                    CHANCE OF SNOW. 
MIN TEMPERATURE.....4-9. 
   24 HR TREND......4 DEGREES COOLER. 
MAX HUMIDITY........85-91 PERCENT. 
   24 HR TREND......13 PERCENT DRIER. 
HUMIDITY RECOVERY...EXCELLENT. 
20-FOOT WINDS.......NORTH 10 TO 20 MPH WITH GUSTS TO AROUND 35 MPH. 
LAL.................1. 
CHC OF WETTING RAIN.30 PERCENT. 
TRANSPORT WINDS.....NORTH 15 TO 20 MPH. 
MIXING HEIGHT.......2000-2500 FT AGL. 
SMOKE DISPERSAL.....POOR (27500-36000 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.WEDNESDAY...
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 
                    1200. 
MAX TEMPERATURE.....26-31. 
   24 HR TREND......15 DEGREES WARMER. 
MIN HUMIDITY........50-56 PERCENT. 
   24 HR TREND......18 PERCENT DRIER. 
20-FOOT WINDS.......NORTHWEST 10 TO 15 MPH WITH HIGHER GUSTS. 
LAL.................1. 
CHC OF WETTING RAIN.ZERO PERCENT. 
TRANSPORT WINDS.....NORTH AROUND 20 MPH. 
MIXING HEIGHT.......3500-5100 FT AGL. 
SMOKE DISPERSAL.....FAIR TO GOOD (59500-76000 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.FORECAST DAYS 3 THROUGH 7...
.THURSDAY...NOT AS COOL. PARTLY CLOUDY. SCATTERED SNOW SHOWERS...
ISOLATED SHOWERS AND THUNDERSTORMS. LOWS AROUND 16. HIGHS IN THE
LOWER 40S. NORTHWEST WINDS AROUND 10 MPH. 
.FRIDAY...MOSTLY CLOUDY WITH SCATTERED THUNDERSTORMS...SNOW
SHOWERS AND ISOLATED SHOWERS. LOWS IN THE MID 20S. HIGHS IN THE
MID 40S. WINDS GENERALLY LESS THAN 10 MPH. 
.SATURDAY...PARTLY CLOUDY WITH ISOLATED SHOWERS...THUNDERSTORMS
AND SNOW SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE LOWER 50S.
WEST WINDS AROUND 15 MPH. 
.SUNDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS...THUNDERSTORMS
AND ISOLATED SNOW SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE
MID 40S. 
.MONDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS...THUNDERSTORMS
AND SNOW SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE MID 40S. 

$$

WYZ310-092230-
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
339 AM MDT TUE APR 9 2013

...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

.TODAY...
SKY/WEATHER.........CLOUDY. AREAS OF BLOWING SNOW. SNOW. SNOW 
                    ACCUMULATION AROUND 6 INCHES. 
MAX TEMPERATURE.....16-21. 
   24 HR TREND......38 DEGREES COOLER. 
MIN HUMIDITY........67-73 PERCENT. 
   24 HR TREND......37 PERCENT WETTER. 
20-FOOT WINDS.......BREEZY. NORTHEAST 15 TO 25 MPH SHIFTING TO THE 
                    NORTHWEST IN THE AFTERNOON. GUSTS UP TO 40 MPH. 
LAL.................1. 
CHC OF WETTING RAIN.65 PERCENT. 
TRANSPORT WINDS.....NORTH AROUND 25 MPH. 
MIXING HEIGHT.......2700-3300 FT AGL. 
SMOKE DISPERSAL.....GOOD (65800-66000 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.TONIGHT...
SKY/WEATHER.........CLOUDY. AREAS OF BLOWING SNOW UNTIL 2400. SNOW 
                    LIKELY UNTIL 2400...THEN CHANCE OF SNOW. SNOW 
                    ACCUMULATION AROUND 1 INCH. 
MIN TEMPERATURE.....7-12. 
   24 HR TREND......3 DEGREES COOLER. 
MAX HUMIDITY........92-98 PERCENT. 
   24 HR TREND......UNCHANGED. 
HUMIDITY RECOVERY...EXCELLENT. 
20-FOOT WINDS.......BREEZY. NORTH 10 TO 25 MPH WITH GUSTS TO AROUND 
                    40 MPH SHIFTING TO THE NORTHWEST 10 TO 15 MPH 
                    AND GUSTY AFTER MIDNIGHT. 
LAL.................1. 
CHC OF WETTING RAIN.35 PERCENT. 
TRANSPORT WINDS.....NORTH 15 TO 20 MPH. 
MIXING HEIGHT.......2600-3500 FT AGL. 
SMOKE DISPERSAL.....FAIR (46500-54200 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.WEDNESDAY...
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200...THEN PARTLY CLOUDY. 
                    SLIGHT CHANCE OF SNOW UNTIL 1200. 
MAX TEMPERATURE.....28-33. 
   24 HR TREND......12 DEGREES WARMER. 
MIN HUMIDITY........54-60 PERCENT. 
   24 HR TREND......11 PERCENT DRIER. 
20-FOOT WINDS.......NORTHWEST 10 TO 20 MPH WITH HIGHER GUSTS. 
LAL.................1. 
CHC OF WETTING RAIN.ZERO PERCENT. 
TRANSPORT WINDS.....NORTH 15 TO 20 MPH. 
MIXING HEIGHT.......4100-5200 FT AGL. 
SMOKE DISPERSAL.....GOOD (68200-71300 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.FORECAST DAYS 3 THROUGH 7...
.THURSDAY...PARTLY CLOUDY. ISOLATED SHOWERS...THUNDERSTORMS AND
SNOW SHOWERS. LOWS AROUND 14. HIGHS IN THE LOWER 40S. NORTHWEST
WINDS AROUND 10 MPH. 
.FRIDAY...MOSTLY CLOUDY WITH ISOLATED SHOWERS...THUNDERSTORMS AND
SNOW SHOWERS. LOWS IN THE MID 20S. HIGHS IN THE MID 40S. WINDS
GENERALLY LESS THAN 10 MPH. 
.SATURDAY...PARTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS IN THE
MID 50S. SOUTHWEST WINDS AROUND 10 MPH. 
.SUNDAY...MOSTLY CLOUDY WITH ISOLATED SHOWERS...THUNDERSTORMS AND
SNOW SHOWERS. LOWS IN THE MID 30S. HIGHS AROUND 50. 
.MONDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS...THUNDERSTORMS
AND SNOW SHOWERS. LOWS AROUND 30. HIGHS IN THE UPPER 40S. 

$$

NEZ311-092230-
PINE RIDGE/NEBRASKA NATIONAL FOREST/OGLALA NATIONAL GRASSLANDS-
339 AM MDT TUE APR 9 2013

...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

.TODAY...
SKY/WEATHER.........CLOUDY. AREAS OF BLOWING SNOW. SNOW. SNOW 
                    ACCUMULATION OF 6 TO 7 INCHES. 
MAX TEMPERATURE.....16-21. 
   24 HR TREND......33 DEGREES COOLER. 
MIN HUMIDITY........63-69 PERCENT. 
   24 HR TREND......2 PERCENT WETTER. 
20-FOOT WINDS.......BREEZY. NORTH 10 TO 25 MPH WITH GUSTS TO AROUND 
                    45 MPH. 
LAL.................1. 
CHC OF WETTING RAIN.70 PERCENT. 
TRANSPORT WINDS.....NORTH 25 TO 30 MPH. 
MIXING HEIGHT.......2500-3100 FT AGL. 
SMOKE DISPERSAL.....GOOD (66200-66800 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.TONIGHT...
SKY/WEATHER.........CLOUDY. AREAS OF BLOWING SNOW UNTIL 2400. SNOW 
                    UNTIL 0300...THEN SNOW LIKELY. SNOW 
                    ACCUMULATION AROUND 3 INCHES. 
MIN TEMPERATURE.....7-12. 
   24 HR TREND......5 DEGREES COOLER. 
MAX HUMIDITY........100 PERCENT. 
   24 HR TREND......UNCHANGED. 
HUMIDITY RECOVERY...EXCELLENT. 
20-FOOT WINDS.......NORTH 10 TO 20 MPH WITH GUSTS TO AROUND 35 MPH. 
LAL.................1. 
CHC OF WETTING RAIN.60 PERCENT. 
TRANSPORT WINDS.....NORTH 20 TO 25 MPH. 
MIXING HEIGHT.......2600-3300 FT AGL. 
SMOKE DISPERSAL.....FAIR (50900-54800 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.WEDNESDAY...
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW UNTIL 1500...THEN 
                    SLIGHT CHANCE OF SNOW. 
MAX TEMPERATURE.....27-32. 
   24 HR TREND......12 DEGREES WARMER. 
MIN HUMIDITY........61-67 PERCENT. 
   24 HR TREND......4 PERCENT WETTER. 
20-FOOT WINDS.......NORTHWEST 10 TO 15 MPH WITH HIGHER GUSTS. 
LAL.................1. 
CHC OF WETTING RAIN.15 PERCENT. 
TRANSPORT WINDS.....NORTH AROUND 20 MPH. 
MIXING HEIGHT.......3700-4800 FT AGL. 
SMOKE DISPERSAL.....GOOD (65900-76700 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.FORECAST DAYS 3 THROUGH 7...
.THURSDAY...PARTLY CLOUDY. LOWS AROUND 8. HIGHS IN THE MID 30S.
WINDS GENERALLY LESS THAN 10 MPH. 
.FRIDAY...PARTLY CLOUDY. ISOLATED SHOWERS...THUNDERSTORMS AND
SNOW SHOWERS. LOWS AROUND 18. HIGHS IN THE LOWER 40S. WINDS
GENERALLY LESS THAN 10 MPH. 
.SATURDAY...PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS AROUND 50.
SOUTHWEST WINDS AROUND 10 MPH. 
.SUNDAY...MOSTLY CLOUDY WITH ISOLATED SHOWERS...THUNDERSTORMS AND
SNOW SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 40S. 
.MONDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS...THUNDERSTORMS
AND SNOW SHOWERS. LOWS IN THE MID 20S. HIGHS IN THE LOWER 40S. 

$$

NEZ312-092230-
BOX BUTTE/SOUTH SIOUX-
339 AM MDT TUE APR 9 2013

...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

.TODAY...
SKY/WEATHER.........CLOUDY. AREAS OF BLOWING SNOW. SNOW. SNOW 
                    ACCUMULATION OF 5 TO 6 INCHES. 
MAX TEMPERATURE.....15-20. 
   24 HR TREND......40 DEGREES COOLER. 
MIN HUMIDITY........64-70 PERCENT. 
   24 HR TREND......39 PERCENT WETTER. 
20-FOOT WINDS.......BREEZY. NORTH 15 TO 25 MPH WITH GUSTS TO AROUND 
                    45 MPH. 
LAL.................1. 
CHC OF WETTING RAIN.70 PERCENT. 
TRANSPORT WINDS.....NORTH 30 TO 35 MPH. 
MIXING HEIGHT.......2500-3000 FT AGL. 
SMOKE DISPERSAL.....GOOD (71700-77100 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.TONIGHT...
SKY/WEATHER.........CLOUDY. AREAS OF BLOWING SNOW UNTIL 2400. SNOW 
                    UNTIL 2400...THEN SNOW LIKELY. SNOW 
                    ACCUMULATION AROUND 2 INCHES. 
MIN TEMPERATURE.....6-11. 
   24 HR TREND......6 DEGREES COOLER. 
MAX HUMIDITY........100 PERCENT. 
   24 HR TREND......UNCHANGED. 
HUMIDITY RECOVERY...EXCELLENT. 
20-FOOT WINDS.......BREEZY. NORTH 10 TO 25 MPH WITH GUSTS TO AROUND 
                    40 MPH SHIFTING TO THE NORTHWEST 10 TO 15 MPH 
                    AND GUSTY AFTER MIDNIGHT. 
LAL.................1. 
CHC OF WETTING RAIN.55 PERCENT. 
TRANSPORT WINDS.....NORTH 20 TO 25 MPH. 
MIXING HEIGHT.......2500-3200 FT AGL. 
SMOKE DISPERSAL.....FAIR (47800-55500 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.WEDNESDAY...
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW UNTIL 1200...THEN 
                    SLIGHT CHANCE OF SNOW. 
MAX TEMPERATURE.....27-32. 
   24 HR TREND......11 DEGREES WARMER. 
MIN HUMIDITY........61-67 PERCENT. 
   24 HR TREND......3 PERCENT DRIER. 
20-FOOT WINDS.......NORTHWEST 10 TO 15 MPH WITH HIGHER GUSTS. 
LAL.................1. 
CHC OF WETTING RAIN.10 PERCENT. 
TRANSPORT WINDS.....NORTH AROUND 20 MPH. 
MIXING HEIGHT.......3600-4700 FT AGL. 
SMOKE DISPERSAL.....GOOD (66400-72300 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.FORECAST DAYS 3 THROUGH 7...
.THURSDAY...PARTLY CLOUDY. LOWS AROUND 8. HIGHS IN THE UPPER 30S.
WINDS GENERALLY LESS THAN 10 MPH. 
.FRIDAY...MOSTLY CLOUDY. ISOLATED SHOWERS...THUNDERSTORMS AND
SNOW SHOWERS. LOWS AROUND 20. HIGHS IN THE LOWER 40S. WINDS
GENERALLY LESS THAN 10 MPH. 
.SATURDAY...PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN THE
LOWER 50S. SOUTHWEST WINDS AROUND 10 MPH. 
.SUNDAY...MOSTLY CLOUDY WITH ISOLATED SHOWERS...THUNDERSTORMS AND
SNOW SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 40S. 
.MONDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS...THUNDERSTORMS
AND SNOW SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE MID 40S. 

$$

NEZ313-092230-
SCOTTS BLUFF NATIONAL MONUMENT/WILDCAT HILLS-
339 AM MDT TUE APR 9 2013

...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

.TODAY...
SKY/WEATHER.........CLOUDY. AREAS OF BLOWING SNOW. SNOW. SNOW 
                    ACCUMULATION OF 5 TO 6 INCHES. 
MAX TEMPERATURE.....16-21. 
   24 HR TREND......47 DEGREES COOLER. 
MIN HUMIDITY........71-77 PERCENT. 
   24 HR TREND......42 PERCENT WETTER. 
20-FOOT WINDS.......WINDY. NORTH 15 TO 30 MPH WITH GUSTS TO AROUND 
                    45 MPH. 
LAL.................1. 
CHC OF WETTING RAIN.65 PERCENT. 
TRANSPORT WINDS.....NORTH AROUND 30 MPH. 
MIXING HEIGHT.......2200-3200 FT AGL. 
SMOKE DISPERSAL.....GOOD (69100-78600 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.TONIGHT...
SKY/WEATHER.........CLOUDY. AREAS OF BLOWING SNOW UNTIL 2400. SNOW 
                    UNTIL 2400...THEN SNOW LIKELY UNTIL 0300...THEN 
                    CHANCE OF SNOW. SNOW ACCUMULATION OF 1 TO 2 
                    INCHES. 
MIN TEMPERATURE.....7-12. 
   24 HR TREND......7 DEGREES COOLER. 
MAX HUMIDITY........94-100 PERCENT. 
   24 HR TREND......UNCHANGED. 
HUMIDITY RECOVERY...EXCELLENT. 
20-FOOT WINDS.......BREEZY. NORTH 10 TO 25 MPH. GUSTS UP TO 40 MPH 
                    DECREASING TO 30 MPH AFTER MIDNIGHT. 
LAL.................1. 
CHC OF WETTING RAIN.45 PERCENT. 
TRANSPORT WINDS.....NORTH 20 TO 25 MPH. 
MIXING HEIGHT.......2800-3600 FT AGL. 
SMOKE DISPERSAL.....FAIR TO GOOD (58500-68900 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.WEDNESDAY...
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW. 
MAX TEMPERATURE.....28-33. 
   24 HR TREND......13 DEGREES WARMER. 
MIN HUMIDITY........57-63 PERCENT. 
   24 HR TREND......14 PERCENT DRIER. 
20-FOOT WINDS.......NORTHWEST 10 TO 20 MPH WITH GUSTS TO AROUND 35 
                    MPH. 
LAL.................1. 
CHC OF WETTING RAIN.5 PERCENT. 
TRANSPORT WINDS.....NORTH AROUND 20 MPH. 
MIXING HEIGHT.......4200-5100 FT AGL. 
SMOKE DISPERSAL.....GOOD (84400-87300 KNOT-FT). 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.FORECAST DAYS 3 THROUGH 7...
.THURSDAY...PARTLY CLOUDY. LOWS AROUND 10. HIGHS IN THE UPPER
30S. NORTHWEST WINDS AROUND 10 MPH. 
.FRIDAY...PARTLY CLOUDY WITH ISOLATED SHOWERS...THUNDERSTORMS AND
SNOW SHOWERS. LOWS IN THE LOWER 20S. HIGHS IN THE MID 40S. WINDS
GENERALLY LESS THAN 10 MPH. 
.SATURDAY...WARMER. PARTLY CLOUDY WITH ISOLATED SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 50S.
SOUTHWEST WINDS AROUND 10 MPH. 
.SUNDAY...MOSTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
IN THE MID 30S. HIGHS IN THE LOWER 50S. 
.MONDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS...THUNDERSTORMS
AND SNOW SHOWERS. LOWS AROUND 30. HIGHS IN THE UPPER 40S. 

$$

JAMSKI