721 
FNUS73 KDMX 131427
FWSDMX

SPOT FORECAST FOR BOONE FORKS WMA...IOWA DNR
NATIONAL WEATHER SERVICE DES MOINES IA
927 AM CDT MON MAY 13 2013

FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON MAY 13. 
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...

HIGH PRESSURE WILL EXIT THE REGION TODAY ALLOWING WARMER TEMPERATURES
TO SURGE INTO IOWA ALONG WITH INCREASING SOUTHERLY WINDS. THIS WILL 
ELEVATE THE FIRE DANGER LATER TODAY AS RELATIVE HUMIDITIES REMAIN LOW.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). 
MAX TEMPERATURE.....AROUND 75. 
MIN HUMIDITY........30 PERCENT. 
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTH 18 TO 22 MPH. 
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED 
                    FIRE GROWTH. 
MIXING HEIGHT.......1700 FT AGL INCREASING TO 5100 FT AGL. 
MIXING WINDS........SOUTH 6 TO 13 MPH INCREASING TO SOUTHWEST 26 TO 
                    31 MPH. 
SMOKE DISPERSAL.....POOR TO GOOD (1300-59600 KNOT-FT) INCREASING TO 
                    EXCELLENT TO EXCELLENT (80800-127200 KNOT-FT) 
                    IN THE AFTERNOON. 
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 18 TO 22 MPH. 

TIME (CDT)      12P 1PM 2PM 3PM 4PM 5PM 6PM 
SKY (%).........50  50  47  48  49  49  50  
WEATHER COV.....                            
WEATHER TYPE....                            
TSTM COV........                            
TEMP............66  69  72  74  75  75  74  
RH..............37  35  33  30  31  32  35  
20 FT WIND DIR..S   S   S   S   S   S   S   
20 FT WIND SPD..16  18  20  21  22  21  20  
20 FT WIND GUST.20  25  30  30  30  30  30  
EYE LVL WND DIR.S   S   S   S   S   S   S   
EYE LVL WND SPD.11  13  14  15  16  15  14  
EYE LVL WND GST.20  25  30  30  30  30  30  
MIX HGT (KFT)...3.7 4.8 4.9 5.0 5.1 4.6 4.2 
MIXNG WIND DIR..S   S   S   S   S   S   SW  
MIXNG WIND SPD..18  20  23  26  29  31  31  
HAINES INDEX....4   4   4   3   3   3   3   

.TONIGHT...

MIN TEMPERATURE.....AROUND 55. 
MAX HUMIDITY........83 PERCENT. 
EYE LEVEL WINDS.....SOUTHWEST WINDS 9 TO 17 MPH DECREASING TO 
                    AROUND 7 MPH AFTER MIDNIGHT. 
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED 
                    FIRE GROWTH. 
MIXING HEIGHT.......3800 FT AGL DECREASING TO 1400 FT AGL EARLY IN 
                    THE EVENING. 
MIXING WINDS........SOUTHWEST 23 TO 29 MPH DECREASING TO 5 TO 6 
                    MPH. 
SMOKE DISPERSAL.....FAIR TO EXCELLENT (19900-93900 KNOT-FT) 
                    DECREASING TO POOR TO POOR (1000-2300 KNOT-FT) 
                    IN THE LATE EVENING AND OVERNIGHT. 
WIND (20 FT)........SOUTHWEST WINDS 9 TO 17 MPH DECREASING TO 
                    AROUND 7 MPH AFTER MIDNIGHT. 

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM   
SKY (%).........M      M      M      M      M      M      
WEATHER COV.....                                          
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE   
TSTM COV........                                          
TEMP............73     66     62     59     58     56     
RH..............38     52     65     72     75     80     
20 FT WIND......S 17   S 13   S 10   SW 10  SW 7   SW 7   
20 FT WIND GUST.25     15                                 
EYE LEVEL WIND..S 12   S 9    S 7    SW 7   SW 5   SW 5   
EYE LVL WND GST.25     15                                 
MIX HGT (FT)....3800   1400   300    300    300    300    
MIXNG WIND......SW 29  S 16   S 9    S 9    SW 7   SW 5   
HAINES INDEX....3      4      4      5      5      5      

$$
FORECASTER...VACHALEK
REQUESTED BY...IOWA DNR
TYPE OF REQUEST...PRESCRIBED
.TAG 20130513.BOONE.01/DMX