737  
FNUS73 KMPX 241241  
FWSMPX  
 
SPOT FORECAST FOR SMSC RX BURN...SHAKOPEE MDEWAKANTON SIOUX COMMUNITY  
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN  
741 AM CDT WED APR 24 2024  
 
FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON APRIL 24.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS OR CONCERNS WITH  
THIS FORECAST.  
   
DISCUSSION
 
FOR THE SMSC RX BURN, SKIES WILL BE MOSTLY  
SUNNY TODAY WITH A FEW HIGH CLOUDS MOVING THROUGH FROM WEST TO  
EAST MIDDAY. THIS WILL ALLOW HIGHS TODAY TO BE IN THE UPPER 50S  
DRY CONDITIONS ARE EXPECTED, WITH RELATIVE HUMIDITY VALUES  
FORECASTED TO BE IN THE LOW 60S THIS MORNING BEFORE DROPPING INTO  
THE MID-LOW 30S BY THE AFTERNOON. WINDS WILL GENERALLY BE  
SOUTH TO SOUTHEASTERLY AT 5-10 MPH. SMOKE PLUME MAY IMPACT  
RESIDENCES IMMEDIATELY NORTH OF THE BURN SITE.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
TEMPERATURE.........50 AT IGNITION...MAX 59.  
RH..................44 PERCENT AT IGNITION...MIN 33 PERCENT.  
WIND (20 FT)........WINDS SOUTHEAST AT 6 MPH AT  
IGNITION...OTHERWISE SOUTHEAST WINDS 6 TO 7  
MPH.  
SMOKE DISPERSAL.....FAIR /20500 KNOT-FT/ AT IGNITION. MAX...GOOD  
/33600 KNOT-FT/.  
MIXING HEIGHT.......3400 FT AGL AT IGNITION...OTHERWISE 5600 FT  
AGL.  
TRANSPORT WINDS.....SOUTH AROUND 7 MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH AT IGNITION...MAX 5.  
 
TIME (CDT) 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P  
SKY COVER.......CLR CLR CLR CLR MCR MCR MCR PC PC PC PC PC  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............50 53 55 57 58 59 59 58 55 52 49 47  
RH..............44 41 38 37 36 34 33 34 40 43 50 49  
20 FT WIND DIR..SE SE SE SE S S S SE SE SE SE SE  
20 FT WIND SPD..6 6 6 6 6 7 6 6 6 7 7 8  
20 FT WIND GUST.8 8 8 8 9 9 9 9 9 10 12 13  
MIX HGT (KFT)...3.4 4.2 4.9 5.3 5.6 5.6 5.3 3.6 0.5 0.4 0.4 0.4  
TRANSP WIND DIR.S S S S S S S S SE SE SE SE  
TRANSP WIND SPD.7 7 7 7 7 7 7 8 7 9 12 13  
HAINES INDEX....3 5 5 5 5 5 5 5 5 5 5 5  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).  
TEMPERATURE.........MIN 41.  
RH..................MAX 62 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 6 TO 9 MPH.  
SMOKE DISPERSAL.....GOOD (31900 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO POOR (3200 KNOT-FT) LATE IN THE  
NIGHT.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....SOUTH 7 TO 9 MPH INCREASING TO 12 TO 14 MPH IN  
THE LATE EVENING AND OVERNIGHT.  
HAINES INDEX........4 TO 5 OR LOW TO MODERATE POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).  
TEMPERATURE.........MAX 67.  
RH..................MIN 31 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 8 TO 17 MPH.  
SMOKE DISPERSAL.....POOR (5300 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO EXCELLENT (88600 KNOT-FT) IN THE  
AFTERNOON.  
MIXING HEIGHT.......4700 FT AGL.  
TRANSPORT WINDS.....SOUTH 13 TO 22 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 

 
FORECASTER...DUNLEAVY  
REQUESTED BY...RACHEL CROWNHART  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2412215.0/MPX  
.DELDT 04/24/24  
.FORMATTERVERSION 2.0.0  
.EMAIL RACHEL.CROWNHART@SHAKOPEEDAKOTA.ORG  
 
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