000 
FNUS75 KBOU 111451
FWSBOU

SPOT FORECAST FOR PORTER RANCH #4
NATIONAL WEATHER SERVICE DENVER-BOULDER CO
751 AM MST TUE JAN 11 2005

IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE.

SPOT FORECAST FOR PORTER RANCH #4
ISSUED BY NATIONAL WEATHER SERVICE DENVER CO
739 AM MST TUE JAN 11 2005

IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NWS.

SYNOPSIS...A POWERFUL STORM SYSTEM NOW OVER CALIFORNIA
WILL MOVE EASTWARD TOWARD THE STATE TODAY.  SIGNIFICANT
MOISTURE ALOFT WILL SPREAD INTO THE AREA THIS AFTERNOON
WHICH WILL LEAD TO SCATTERED SNOW SHOWERS TODAY AND TONIGHT.
THE ATMOSPHERE WILL ALLOW FOR GOOD SMOKE DISPERSAL THIS AFTERNOON.
WINDS...HOWEVER...WILL REMAIN QUITE LIGHT TODAY AND TONIGHT.

EXTENDED SYNOPSIS...THE STORM WILL CROSS OVER THE STATE
TUESDAY NIGHT OR EARLY WEDNESDAY MORNING.  DURING THAT TIME...
THERE WILL BE A GOOD CHANCE OF SNOW WITH SOME ACCUMULATIONS
LIKELY.  AFTER THE STORM MOVES AWAY THURSDAY...A PROLONGED
PERIOD OF NORTHWESTERLY FLOW IS EXPECTED WITH DRY AND
BREEZY CONDITIONS.

$$
.TODAY...
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1100...THEN PARTLY
                    CLOUDY(50-60%). CHANCE OF SNOW SHOWERS.
MAX TEMPERATURE.....48-52.
MIN HUMIDITY........30-35%.
20-FOOT WINDS.......SOUTHWEST WINDS 10-14 MPH.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
SMOKE DISPERSAL.....POOR UNTIL 1000...THEN VERY GOOD UNTIL
                    1100...THEN EXCELLENT.
MIXING HEIGHT.......800-1800 FT AGL UNTIL 1000...THEN 8400-9400 FT
                    AGL UNTIL 1700...THEN 5800 FT AGL.
TRANSPORT WINDS.....WEST 16-24 MPH UNTIL 1200...THEN 32-36 MPH.

.TONIGHT...
SKY/WEATHER.........CLOUDY. CHANCE OF SNOW SHOWERS.
MIN TEMPERATURE.....19-24.
MAX HUMIDITY........63-70%.
20-FOOT WINDS.......WEST WINDS 6-10 MPH.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
SMOKE DISPERSAL.....GOOD UNTIL 2000...THEN POOR.
MIXING HEIGHT.......3200-4200 FT AGL UNTIL 2000...THEN 800-1800 FT
                    AGL.
TRANSPORT WINDS.....WEST 20-28 MPH UNTIL 2400...THEN NORTHWEST
                    13-20 MPH.

.WEDNESDAY...
SKY/WEATHER.........CLOUDY. CHANCE OF SNOW SHOWERS.
MAX TEMPERATURE.....28-33.
MIN HUMIDITY........33-39%.
20-FOOT WINDS.......WEST WINDS 12-18 MPH.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
SMOKE DISPERSAL.....POOR.
MIXING HEIGHT.......4800-5800 FT AGL.
TRANSPORT WINDS.....NORTH UP TO 4 MPH.

.THURSDAY...MUCH COLDER. MOSTLY CLOUDY WITH CHANCE OF SNOW. LOWS
AROUND 8. HIGHS AROUND 19. TYPICAL SLOPE/VALLEY WINDS LESS THAN
12 MPH.
.FRIDAY...PARTLY CLOUDY. LOWS AROUND 1 BELOW. HIGHS IN THE MID
20S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 12 MPH.
.SATURDAY...PARTLY CLOUDY. LOWS AROUND 1. HIGHS IN THE UPPER 20S.
TYPICAL SLOPE/VALLEY WINDS LESS THAN 12 MPH.

$$

$$

REQUESTED BY...CHRIS TIPTON
REASON FOR REQUEST...UNDER THE INTERAGENCY AGREEMENT FOR METEOROLOGICAL SERVICES (USFS, BLM, NPS, USFWS, BIA).