529  
FNUS73 KARX 161340  
FWSARX  
 
SPOT FORECAST FOR HOLLAND SAND PRAIRIE RX BURN...MISSISSIPPI VALLEY CONSERVANCY  
NATIONAL WEATHER SERVICE LA CROSSE WI  
840 AM CDT TUE APR 16 2019  
 
FORECAST IS BASED ON IGNITION TIME OF 1500 CDT ON APRIL 16.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (608) 784-8292 IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
DRYING/MOSTLY SUNNY TODAY AS HIGH PRESSURE BUILDS  
IN OVER THE AREA. PLAN ON MINIMUM RH'S IN THE 40-45 PERCENT RANGE  
WITH PREVAILING WINDS OUT OF THE NORTHEAST AT 5 TO 10 MPH.  
 
A CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS MOVES IN LATER  
TONIGHT WITH GOOD RH RECOVERY EXPECTED INTO THE 85-90 PERCENT  
RANGE WITH EASTERLY WINDS 5 TO 10 MPH.  
 
PLAN ON SHOWERS AND EMBEDDED THUNDERSTORMS FOR WEDNESDAY.  
   
REST OF TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY.  
CWR.................0 PERCENT.  
TEMPERATURE.........65 AT IGNITION...MAX 67.  
RH..................46 PERCENT AT IGNITION...MIN 42 PERCENT.  
WIND (20 FT)........WINDS NORTHEAST AT 5 MPH AT  
IGNITION...OTHERWISE NORTHEAST WINDS 5 TO 6  
MPH.  
SMOKE DISPERSAL.....GOOD /46000 KNOT-FT/ AT IGNITION. MAX...GOOD  
/49000 KNOT-FT/.  
HAINES INDEX........5 MODERATE AT IGNITION...MAX 5.  
 
TIME (CDT) 3PM 4PM 5PM 6PM  
SKY (%).........38 44 49 54  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 10  
TEMP............65 67 67 65  
RH..............46 42 42 46  
20 FT WIND DIR..NE NE NE NE  
20 FT WIND SPD..5 6 5 5  
20 FT WIND GUST.9 9 9 8  
HAINES INDEX....5 5 5 5  
SDSPL KT-FT/100046 49 48 47  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS AFTER MIDNIGHT. CHANCE OF  
PRECIPITATION 50 PERCENT.  
CWR.................10 PERCENT INCREASING TO 50 PERCENT.  
TEMPERATURE.........MIN 45.  
RH..................MAX 93 PERCENT.  
WIND (20 FT)........EAST WINDS 5 TO 9 MPH. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS AFTER MIDNIGHT.  
SMOKE DISPERSAL.....POOR TO GOOD (2400-46200 KNOT-FT).  
 
TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM  
SKY (%).........59 62 63 63 78 90  
WEATHER COV..... S CHC CHANCE CHANCE  
WEATHER TYPE....NONE NONE NONE RNSHWR RNSHWR RNSHWR  
TSTM COV........ S CHC S CHC S CHC  
CWR.............10 0 10 20 40 50  
TEMP............63 53 49 47 46 45  
RH..............54 74 83 89 89 89  
20 FT WIND......NE 5 E 5 E 6 E 6 E 7 E 9  
20 FT WIND GUST.7 6 7 11 12 13  
HAINES INDEX....5 5 5 4 3 2  
SDSPL KT-FT/100046 17 5 10 17 22  
   
WEDNESDAY
 
 
SKY/WEATHER.........CLOUDY. SHOWERS AND CHANCE OF THUNDERSTORMS.  
CHANCE OF PRECIPITATION 90 PERCENT.  
CWR.................60 PERCENT INCREASING TO 70 PERCENT EARLY IN  
THE MORNING, THEN INCREASING TO 90 PERCENT  
EARLY IN THE MORNING DECREASING TO 70 PERCENT  
LATE IN THE AFTERNOON.  
TEMPERATURE.........MAX 56.  
RH..................MIN 72 PERCENT.  
WIND (20 FT)........EAST WINDS 6 TO 11 MPH. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS.  
SMOKE DISPERSAL.....FAIR TO GOOD (27500-46500 KNOT-FT).  
HAINES INDEX........2 VERY LOW.  
 
TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM  
SKY (%).........98 99 100 100 99 99  
WEATHER COV.....LIKELY DEFNTE DEFNTE DEFNTE DEFNTE DEFNTE  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR  
TSTM COV........S CHC S CHC S CHC CHANCE CHANCE CHANCE  
CWR.............60 90 90 90 90 90  
TEMP............45 47 50 54 55 55  
RH..............89 83 80 74 74 74  
20 FT WIND......E 10 E 11 E 11 E 11 E 10 E 9  
20 FT WIND GUST.14 18 16 15 13 11  
HAINES INDEX....2 2 2 2 2 2  
SDSPL KT-FT/100028 37 43 47 40 33  
 

 
FORECASTER...DS  
REQUESTED BY...LEVI PLATH  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1906312.0/ARX  
.DELDT 04/16/19  
.EMAIL LEVI@MISSISSIPPIVALLEYCONSERVANCY.ORG  
 
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