839  
FNUS73 KMPX 151445  
FWSMPX  
 
SPOT FORECAST FOR VERMILLION RX...MNDNR  
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN  
945 AM CDT MON APR 15 2024  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 15.  
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 VERMILLION RX FIRE, RELATIVE HUMIDITY WILL  
BE ROUGHLY 40-50 PERCENT AT IGNITION, BEFORE FALLING TO 20-25  
PERCENT THIS AFTERNOON. ISOLATED SHOWERS ARE POSSIBLE OVER THE  
NEXT TWO TO THREE HOURS, HOWEVER THEY WILL NOT AMOUNT TO MUCH AND  
ELEVATED FIRE WEATHER CONCERNS WILL PERSIST THROUGH THE DAY.  
LIGHT EARLY MORNING WINDS WILL INCREASE OUT OF THE EAST,  
SUSTAINING BETWEEN 10-15 MPH THIS AFTERNOON.  
   
REST OF TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). SLIGHT CHANCE OF  
RAIN SHOWERS LATE IN THE MORNING, THEN CHANCE  
OF RAIN SHOWERS EARLY IN THE AFTERNOON.  
TEMPERATURE.........54 AT IGNITION...MAX 67.  
RH..................45 PERCENT AT IGNITION...MIN 24 PERCENT.  
WIND (20 FT)........WINDS EAST AT 9 MPH AT IGNITION...OTHERWISE  
EAST WINDS 9 TO 13 MPH.  
SMOKE DISPERSAL.....FAIR /18400 KNOT-FT/ AT IGNITION. MAX...GOOD  
/45200 KNOT-FT/.  
MIXING HEIGHT.......1400 FT AGL AT IGNITION...OTHERWISE 3300 FT  
AGL.  
TRANSPORT WINDS.....EAST 10 TO 16 MPH.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH AT IGNITION...MAX 5.  
 
TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM  
SKY COVER.......PC MC MC MC MC MC MC PC PC PC MC PC  
WEATHER COV.....SCH SCH CHC  
WEATHER TYPE....RW RW RW  
TSTM COV........  
TEMP............54 57 60 63 65 67 67 67 67 65 61 58  
RH..............45 37 32 29 27 24 26 25 25 29 35 39  
20 FT WIND DIR..E E E E E E E E E E E E  
20 FT WIND SPD..9 9 9 9 10 10 13 12 13 12 10 12  
20 FT WIND GUST.14 14 14 14 15 15 17 16 17 16 16 18  
MIX HGT (KFT)...1.4 2.3 2.9 3.1 3.1 2.8 3.3 3.2 2.9 0.8 0.5 0.5  
TRANSP WIND DIR.E E E E E E E E E E E E  
TRANSP WIND SPD.15 13 12 10 12 14 15 16 17 15 14 15  
HAINES INDEX....5 5 5 5 5 5 5 5 5 4 4 4  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (45-55 PERCENT) THEN BECOMING  
PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (65-75 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING.  
TEMPERATURE.........MIN 46.  
RH..................MAX 68 PERCENT.  
WIND (20 FT)........EAST WINDS 10 TO 17 MPH. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS EARLY IN THE  
MORNING.  
SMOKE DISPERSAL.....GOOD (43900 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO POOR (6000 KNOT-FT) LATE IN THE  
NIGHT.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....EAST 14 TO 23 MPH SHIFTING TO THE SOUTHEAST  
AROUND 25 MPH EARLY IN THE MORNING.  
HAINES INDEX........4 TO 5 OR LOW TO MODERATE POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SLIGHT CHANCE OF  
THUNDERSTORMS IN THE MORNING. RAIN SHOWERS  
THROUGH THE DAY. CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON.  
TEMPERATURE.........MAX 55.  
RH..................MIN 50 PERCENT.  
WIND (20 FT)........BREEZY. EAST WINDS 18 TO 26 MPH. GUSTS UP TO 37  
MPH LATE IN THE MORNING. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS IN THE  
MORNING AND EARLY AFTERNOON. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS LATE IN THE  
AFTERNOON.  
SMOKE DISPERSAL.....FAIR (21100 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO EXCELLENT (78000 KNOT-FT) IN THE  
AFTERNOON.  
MIXING HEIGHT.......2100 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 25 TO 30 MPH INCREASING TO EAST 35 TO  
43 MPH IN THE LATE MORNING AND AFTERNOON.  
HAINES INDEX........2 TO 4 OR VERY LOW TO LOW POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
 

 
FORECASTER...DYE  
REQUESTED BY...KEVIN BERENS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2410919.0/MPX  
.DELDT 04/15/24  
.FORMATTERVERSION 2.0.0  
.EMAIL KEVIN.BERENS@STATE.MN.US  
 
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