685  
FNUS73 KMPX 251334  
FWSMPX  
 
SPOT FORECAST FOR BLUE MOUNDS...MN DNR  
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN  
834 AM CDT FRI MAY 25 2018  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MAY 25.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
MOSTLY SUNNY FOR MOST OF THE DAY WITH SOME ISOLATED  
SHOWERS AND THUNDERSTORMS LATE MORNING INTO EARLY AFTERNOON. HIT AND  
MISS VARIETY OF STORMS WILL BE DIFFICULT TO PINPOINT BUT THE BULK  
OF ANY STORM ACTIVITY WILL BE EAST OF THE BURN SITE. WINDS WILL BE  
WESTERLY AT 10-15 MPH WITH OCCASIONAL HIGHER GUSTS. RH VALUES WILL  
BOTTOM OUT BETWEEN 30-35 PERCENT THIS AFTERNOON.  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. ISOLATED SHOWERS AND  
THUNDERSTORMS LATE IN THE MORNING. CHANCE OF  
PRECIPITATION 20 PERCENT.  
TEMPERATURE.........76 AT IGNITION...MAX 90.  
RH..................60 PERCENT AT IGNITION...MIN 34 PERCENT.  
WIND (20 FT)........WINDS WEST AT 6 MPH AT IGNITION...OTHERWISE  
WEST WINDS 7 TO 12 MPH. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS LATE IN THE  
MORNING.  
MIXING HEIGHT.......6200 FT AGL AT IGNITION...OTHERWISE 6200 FT AGL  
INCREASING TO 8300 FT AGL LATE IN THE MORNING,  
THEN INCREASING TO 10400 FT AGL LATE IN THE  
MORNING INCREASING TO 11000-12500 FT AGL EARLY  
IN THE AFTERNOON DECREASING TO 9500-10200 FT  
AGL.  
TRANSPORT WINDS.....WEST 15 TO 24 MPH INCREASING TO 24 TO 25 MPH  
EARLY IN THE AFTERNOON.  
MIXING WINDS........WEST 15 TO 24 MPH INCREASING TO 24 TO 25 MPH  
EARLY IN THE AFTERNOON.  
SMOKE DISPERSAL.....EXCELLENT /80100 KNOT-FT/ AT IGNITION.  
MAX...EXCELLENT /124000 KNOT-FT/ INCREASING TO  
EXCELLENT (186800 KNOT-FT) LATE IN THE MORNING,  
THEN INCREASING TO EXCELLENT (225200 KNOT-FT)  
IN THE AFTERNOON DECREASING TO EXCELLENT  
(199000 KNOT-FT) LATE IN THE AFTERNOON.  
HAINES INDEX........5 OR MODERATE AT IGNITION...MAX 5.  
 
TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM  
TEMP............76 81 84 86 87 89 88 87 87  
RH..............60 47 40 36 35 34 35 36 38  
20 FT WIND DIR..W W W W W W W W W  
20 FT WIND SPD..6 6 7 8 10 12 12 11 10  
20 FT WIND GUST. 10 10 15 15 20 20 20 15  
MIX HGT (KFT)...6.2 8.3 10 13 12 12 11 10 9.5  
TRANSP WIND DIR.W W W W W W W W W  
TRANSP WIND SPD.15 17 21 23 24 25 25 25 24  
MIXING WIND DIR.W W W W W W W W W  
MIXING WIND SPD.15 17 21 23 24 25 25 25 24  
HAINES INDEX....5 5 5 5 5 5 5 5 5  
SDSPL KT-FT/100080 124 187 250 252 253 242 225 199  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
TEMPERATURE.........MIN 62.  
RH..................MAX 78 PERCENT.  
WIND (20 FT)........WEST WINDS 5 TO 8 MPH EARLY IN THE EVENING  
BECOMING LIGHT, THEN BECOMING WEST AROUND 5 MPH  
AFTER MIDNIGHT BECOMING LIGHT.  
MIXING HEIGHT.......8700 FT AGL DECREASING TO 300 FT AGL.  
TRANSPORT WINDS.....WEST 13 TO 22 MPH DECREASING TO 8 TO 12 MPH IN  
THE LATE EVENING AND OVERNIGHT.  
MIXING WINDS........WEST 13 TO 22 MPH DECREASING TO 8 TO 12 MPH IN  
THE LATE EVENING AND OVERNIGHT.  
SMOKE DISPERSAL.....EXCELLENT (165600 KNOT-FT) DECREASING TO POOR  
TO GOOD (1800-33800 KNOT-FT).  
 
TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM  
TEMP............85 78 71 68 65 62  
RH..............40 48 61 65 70 78  
20 FT WIND......W 8 W 5 W 4 SW 5 W 5 W 5  
20 FT WIND GUST.15 5  
MIX HGT (FT)....8700 3100 300 300 300 300  
TRANSPORT WIND..W 22 W 13 W 8 SW 12 SW 12 W 12  
MIXING WIND.....W 22 W 13 W 8 SW 12 SW 12 W 12  
HAINES INDEX....5 5 5 5 6 6  
SDSPL KT-FT/1000166 34 2 3 3 3  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY.  
TEMPERATURE.........MAX 91.  
RH..................MIN 29 PERCENT.  
WIND (20 FT)........WEST WINDS 5 TO 8 MPH.  
MIXING HEIGHT.......300-1900 FT AGL INCREASING TO 8700-10100 FT  
AGL.  
TRANSPORT WINDS.....NORTHWEST 12 TO 21 MPH INCREASING TO 16 TO 23  
MPH IN THE AFTERNOON.  
MIXING WINDS........NORTHWEST 12 TO 21 MPH INCREASING TO 16 TO 23  
MPH IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR TO FAIR (2500-25100 KNOT-FT) INCREASING TO  
EXCELLENT (68400 KNOT-FT) LATE IN THE MORNING,  
THEN INCREASING TO EXCELLENT (119300 KNOT-FT)  
LATE IN THE MORNING INCREASING TO EXCELLENT  
(141100 KNOT-FT) IN THE AFTERNOON DECREASING TO  
EXCELLENT (121700 KNOT-FT).  
HAINES INDEX........5 TO 6 OR MODERATE TO OR HIGH.  
 
TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM  
TEMP............64 74 84 89 90 91  
RH..............75 59 41 32 30 29  
20 FT WIND......W 5 W 5 W 6 W 8 W 8 W 8  
20 FT WIND GUST. 10 15 15 10  
MIX HGT (FT)....300 1400 4300 9000 9700 9400  
TRANSPORT WIND..W 12 W 14 NW 18 W 23 NW 21 NW 17  
MIXING WIND.....W 12 W 14 NW 18 W 23 NW 21 NW 17  
HAINES INDEX....6 5 5 5 5 5  
SDSPL KT-FT/10003 16 68 180 175 141  
 

 
FORECASTER...CALDERONE  
REQUESTED BY...DION TURGEON  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1810649.0/MPX  
.EMAIL DION.TURGEON@STATE.MN.US  
 
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