513  
FNUS73 KMPX 171418  
FWSMPX  
 
SPOT FORECAST FOR LOUISVILLE SWAMP PILES...USFWS  
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN  
ISSUED BY NATIONAL WEATHER SERVICE LA CROSSE WI  
918 AM CDT TUE APR 17 2018  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 17.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
HIGH PRESSURE REMAINS IN CONTROL OF THE AREA TODAY  
AND ALLOWS FOR DRY WEATHER AND LIGHT NORTH TO NORTHEAST WINDS.  
RELATIVE HUMIDITIES ARE EXPECTED TO BE IN THE 65 TO 69 PERCENT  
RANGE.  
   
REST OF TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY.  
TEMPERATURE.........28 AT IGNITION...MAX 38.  
RH..................69 PERCENT AT IGNITION...MIN 64 PERCENT.  
WIND (20 FT)........WINDS NORTH AT 6 MPH AT IGNITION...OTHERWISE  
NORTHEAST WINDS 5 TO 6 MPH.  
MIXING HEIGHT.......1700 FT AGL AT IGNITION...OTHERWISE 1700-2700  
FT AGL.  
TRANSPORT WINDS.....NORTHEAST 6 TO 13 MPH.  
MIXING WINDS........NORTHEAST 6 TO 13 MPH.  
SMOKE DISPERSAL.....FAIR /18700 KNOT-FT/ AT IGNITION. MAX...FAIR  
/26800 KNOT-FT/.  
HAINES INDEX........3 OR VERY LOW AT IGNITION...MAX 3.  
 
TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM  
TEMP............28 30 32 34 34 35 35 35 36  
RH..............69 69 69 69 66 64 64 64 67  
20 FT WIND DIR..N N N N N NE NE NE NE  
20 FT WIND SPD..6 5 5 5 5 6 6 6 5  
20 FT WIND GUST.10 10 10 10 10 10 10 10 10  
MIX HGT (KFT)...1.7 1.9 2.0 2.2 2.4 2.5 2.7 2.6 2.4  
TRANSP WIND DIR.N N N N N NE NE NE E  
TRANSP WIND SPD.13 10 8 6 6 8 10 12 13  
MIXING WIND DIR.N N N N N NE NE NE E  
MIXING WIND SPD.13 10 8 6 6 8 10 12 13  
HAINES INDEX....3 3 3 3 3 3 3 3 3  
SDSPL KT-FT/100019 17 14 11 12 18 25 26 27  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
CHANCE OF SNOW EARLY IN THE MORNING. CHANCE OF  
SNOW 40 PERCENT.  
TEMPERATURE.........MIN 26.  
RH..................MAX 100 PERCENT.  
WIND (20 FT)........NORTHEAST WINDS 5 TO 6 MPH.  
MIXING HEIGHT.......500-2300 FT AGL.  
TRANSPORT WINDS.....EAST 9 TO 14 MPH.  
MIXING WINDS........EAST 9 TO 14 MPH.  
SMOKE DISPERSAL.....POOR TO FAIR (3800-25200 KNOT-FT).  
 
TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM  
TEMP............36 33 30 27 27 27  
RH..............69 81 88 96 96 96  
20 FT WIND......E 5 E 5 E 5 E 6 NE 6 NE 6  
20 FT WIND GUST.10 10 10 10  
MIX HGT (FT)....2300 1100 600 700 700 700  
TRANSPORT WIND..E 13 E 10 E 10 E 13 E 10 E 12  
MIXING WIND.....E 13 E 10 E 10 E 13 E 10 E 12  
HAINES INDEX....3 2 2 2 2 2  
SDSPL KT-FT/100025 10 5 8 6 7  
   
WEDNESDAY
 
 
SKY/WEATHER.........CLOUDY. CHANCE OF SNOW IN THE MORNING, THEN  
SNOW LIKELY IN THE AFTERNOON. RAIN LIKELY EARLY  
IN THE AFTERNOON. CHANCE OF PRECIPITATION 60  
PERCENT.  
TEMPERATURE.........MAX 35.  
RH..................MIN 82 PERCENT.  
WIND (20 FT)........NORTH WINDS 5 TO 8 MPH.  
MIXING HEIGHT.......700-2600 FT AGL INCREASING TO 5700-6700 FT AGL.  
TRANSPORT WINDS.....NORTH 10 TO 18 MPH INCREASING TO AROUND 21 MPH  
LATE IN THE AFTERNOON.  
MIXING WINDS........NORTH 10 TO 18 MPH INCREASING TO AROUND 21 MPH  
LATE IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR TO GOOD (8600-50900 KNOT-FT) INCREASING TO  
EXCELLENT (62000 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........2 OR VERY LOW.  
 
TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM  
TEMP............27 29 31 33 33 34  
RH..............88 88 88 85 89 82  
20 FT WIND......NE 6 NE 6 N 7 N 8 N 8 N 8  
20 FT WIND GUST.10 10 15 15 15 15  
MIX HGT (FT)....700 2600 4100 5200 6200 6400  
TRANSPORT WIND..E 15 NE 12 NE 12 NE 14 N 16 N 18  
MIXING WIND.....E 15 NE 12 NE 12 NE 14 N 16 N 18  
HAINES INDEX....2 2 2 2 2 2  
SDSPL KT-FT/10009 26 41 62 87 102  
 

 
FORECASTER...WFO MPX  
REQUESTED BY...DAN PAULSON  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1806850.0/MPX  
.EMAIL DANIEL_PAULSON@FWS.GOV  
 
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