856 
FNUS73 KDMX 100909
FWSDMX

SPOT FORECAST FOR BISON NORTH PATCH 1...USFWS NEAL SMITH
NATIONAL WEATHER SERVICE DES MOINES IA
409 AM CDT TUE APR 10 2012

FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 10. 
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

AN INITIAL OBSERVATION AT IGNITION AND A MID BURN OBSERVATION ARE REQUIRED...
PLEASE RELAY THEM TO THE NATIONAL WEATHER SERVICE FOR EACH PRESCRIBED BURN.

.DISCUSSION...
THERE WILL BE LITTLE CHANGE IN THE OVERALL WEATHER PATTERN TODAY
WITH ELONGATED HIGH PRESSURE FROM CANADA INTO THE MISSOURI RIVER
VALLEY. THIS WILL KEEP SUNNY SKIES...LOW HUMIDITIES AND BRISK
NORTHWEST WINDS IN PLACE. WINDS TODAY WILL NOT BE QUITE AS STRONG
AS MONDAY...BUT MINIMUM AFTERNOON HUMIDITIES WILL STILL DIP TO
LESS THAN 20 PERCENT.

.TODAY...

SKY/WEATHER.........SUNNY (5-15 PERCENT). PATCHY FROST EARLY IN THE 
                    MORNING. 
MAX TEMPERATURE.....AROUND 59. 
MIN HUMIDITY........17 PERCENT. 
EYE LEVEL WINDS.....LIGHT WINDS BECOMING NORTHWEST 16 TO 17 MPH. 
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 
MIXING HEIGHT.......1300 FT AGL INCREASING TO 6800 FT AGL. 
MIXING WINDS........NORTHWEST 6 TO 14 MPH INCREASING TO 18 TO 26 
                    MPH IN THE LATE MORNING AND AFTERNOON. 
SMOKE DISPERSAL.....POOR TO FAIR (1300-28700 KNOT-FT) INCREASING TO 
                    EXCELLENT TO EXCELLENT (107800-155800 KNOT-FT). 
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST 16 TO 17 MPH. 

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 
SKY (%).........9   9   12  12  12  12  12  11  11  
WEATHER COV.....                                    
WEATHER TYPE....                                    
TSTM COV........                                    
TEMP............44  48  51  53  55  57  58  57  55  
RH..............39  34  30  28  24  20  17  20  22  
20 FT WIND DIR..NW  NW  NW  NW  NW  NW  NW  NW  NW  
20 FT WIND SPD..8   12  14  16  17  17  17  17  16  
20 FT WIND GUST.10  15  20  25  25  25  25  25  25  
EYE LVL WND DIR.NW  NW  NW  NW  NW  NW  NW  NW  NW  
EYE LVL WND SPD.6   9   10  11  12  12  12  12  11  
EYE LVL WND GST.10  15  20  25  25  25  25  25  25  
MIX HGT (KFT)...3.4 4.1 4.9 5.7 6.0 6.4 6.8 6.6 6.3 
MIXNG WIND DIR..NW  NW  NW  NW  NW  NW  NW  NW  NW  
MIXNG WIND SPD..18  21  21  22  24  25  26  26  26  
HAINES INDEX....4   4   4   4   4   5   5   5   4   

.TONIGHT...

MIN TEMPERATURE.....AROUND 28. 
MAX HUMIDITY........60 PERCENT. 
EYE LEVEL WINDS.....NORTH WINDS 6 TO 15 MPH BECOMING LIGHT. 
WIND (20 FT)........NORTH WINDS 6 TO 15 MPH BECOMING LIGHT. 

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM   
TEMP............54     46     41     38     35     32     
RH..............25     34     41     46     52     56     
20 FT WIND......N 15   N 9    N 7    N 7    N 6    N 3    
20 FT WIND GUST.20     10                          5      
EYE LEVEL WIND..N 11   N 6    N 5    N 5    N 4    N 2    
EYE LVL WND GST.20     10                          5      

.WEDNESDAY...

SKY/WEATHER.........SUNNY (5-15 PERCENT). AREAS OF FROST EARLY IN 
                    THE MORNING. 
MAX TEMPERATURE.....AROUND 58. 
MIN HUMIDITY........27 PERCENT. 
EYE LEVEL WINDS.....LIGHT WINDS BECOMING NORTH 5 TO 7 MPH UNTIL 
                    LATE AFTERNOON...THEN BECOMING LIGHT EARLY IN 
                    THE AFTERNOON. 
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED 
                    FIRE GROWTH. 
MIXING HEIGHT.......2400 FT AGL INCREASING TO 5800 FT AGL. 
MIXING WINDS........NORTH 5 TO 13 MPH SHIFTING TO THE NORTHEAST 
                    AROUND 3 MPH LATE IN THE AFTERNOON. 
SMOKE DISPERSAL.....POOR TO GOOD (2900-40600 KNOT-FT). 
WIND (20 FT)........LIGHT WINDS BECOMING NORTH 5 TO 7 MPH UNTIL 
                    LATE AFTERNOON...THEN BECOMING LIGHT EARLY IN 
                    THE AFTERNOON. 

TIME (CDT)      7 AM      10 AM     1 PM      4 PM      
SKY (%).........9         10        11        12        
WEATHER COV.....AREAS                                   
WEATHER TYPE....FROST     NONE      NONE      NONE      
TSTM COV........                                        
TEMP............30        42        52        57        
RH..............60        41        31        27        
20 FT WIND......N 3G5     N 7       N 5       N 3G5     
EYE LEVEL WIND..N 2G5     N 5       N 4G5     N 2G5     
MIX HGT (FT)....600       3300      4800      5800      
MIXNG WIND......N 6       N 13      N 9       N 6       
HAINES INDEX....4         4         4         4         

$$
FORECASTER...SMALL
REQUESTED BY...JAMES KRIZMAN
TYPE OF REQUEST...PRESCRIBED
.TAG 20120410.BISON.01/DMX