019  
FNUS73 KDMX 110905  
FWSDMX  
 
SPOT FORECAST FOR BUR OAK...USFWS  
NATIONAL WEATHER SERVICE DES MOINES IA  
405 AM CDT SUN APR 11 2021  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 CDT ON APRIL 11.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
AN INITIAL OBSERVATION AT IGNITION AND A MID BURN OBSERVATION ARE REQUIRED.  
 
PLEASE RELAY THEM TO THE NATIONAL WEATHER SERVICE FOR EACH PRESCRIBED BURN.  
   
DISCUSSION
 
 
WARMER AND MORE SUNSHINE TODAY AS HIGHS TOP OUT IN THE 60S.  
NORTHWESTERLY WINDS BRING DRIER AIR INTO THE AREA, DROPPING  
AFTERNOON RH VALUES INTO THE 30 PERCENT RANGE. WINDS START OFF  
LIGHT BEFORE STEADILY INCREASING, MAY GUST UP TO 20 MPH AT TIMES  
BY LATE MORNING INTO THE AFTERNOON. STRONGER WINDS EXPECTED FOR  
MONDAY, BUT COOLER TEMPERATURES TEMPER MIN RH VALUES A BIT.  
   
TODAY
 
 
SKY/WEATHER.........SUNNY (10-20 PERCENT).  
MAX TEMPERATURE.....AROUND 62.  
MIN HUMIDITY........38 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 8 TO 15 MPH.  
MIXING HEIGHT.......4300 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 7 TO 15 MPH SHIFTING TO THE WEST 8 TO  
17 MPH IN THE LATE MORNING AND AFTERNOON.  
HAINES INDEX........4 TO 5 OR LOW TO MODERATE POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........22 24 22 22 20 19 14 9 7 3 1 5  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............36 36 38 41 46 49 51 54 57 59 60 62  
RH..............92 92 89 82 71 63 61 54 47 44 41 38  
20 FT WIND DIR..NW NW NW N N N N N N NW NW NW  
20 FT WIND SPD..8 8 8 10 13 13 13 13 14 15 14 15  
20 FT WIND GUST. 13 13 15 16 16 16 17 18 20 20 20  
MIX HGT (KFT)...0.6 0.6 0.9 1.3 1.8 2.1 2.3 2.9 3.2 3.7 3.9 4.3  
TRANSP WIND DIR.NW NW NW N N N N N N NW NW NW  
TRANSP WIND SPD.7 7 7 13 17 17 16 12 8 8 9 10  
HAINES INDEX....4 4 4 4 4 4 4 4 4 5 5 5  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (55-65 PERCENT). SLIGHT CHANCE OF  
RAIN SHOWERS LATE IN THE EVENING. CHANCE OF  
RAIN SHOWERS IN THE LATE EVENING AND OVERNIGHT,  
THEN SLIGHT CHANCE OF RAIN SHOWERS OVERNIGHT.  
MIN TEMPERATURE.....AROUND 38.  
MAX HUMIDITY........82 PERCENT.  
WIND (20 FT)........WEST WINDS 8 TO 17 MPH SHIFTING TO THE  
NORTHWEST 14 TO 18 MPH LATE IN THE EVENING.  
MIXING HEIGHT.......900 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 12 TO 18 MPH BECOMING NORTH AROUND 5  
MPH EARLY IN THE EVENING, THEN INCREASING TO  
WEST 17 TO 26 MPH IN THE LATE EVENING AND  
OVERNIGHT INCREASING TO AROUND 28 MPH AFTER 3  
AM.  
HAINES INDEX........3 TO 4 OR VERY LOW TO LOW POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
 
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........20 43 65 58 58 56  
WEATHER COV..... CHANCE CHANCE S CHC  
WEATHER TYPE....NONE NONE RNSHWR RNSHWR RNSHWR NONE  
TSTM COV........  
TEMP............61 55 48 45 43 41  
RH..............39 51 65 73 79 82  
20 FT WIND......NW 15 N 12 NW 13 NW 14 W 15 W 18  
20 FT WIND GUST.18 14 18 21 22 25  
MIX HGT (FT)....4400 900 1600 1600 1300 2000  
TRANSPORT WIND..NW 13 N 5 W 17 W 18 W 18 W 28  
HAINES INDEX....4 4 3 3 3 3  
   
MONDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT).  
MAX TEMPERATURE.....AROUND 53.  
MIN HUMIDITY........44 PERCENT.  
WIND (20 FT)........WEST WINDS 18 TO 28 MPH. GUSTS UP TO 36 MPH  
LATE IN THE MORNING.  
MIXING HEIGHT.......5300 FT AGL.  
TRANSPORT WINDS.....WEST 18 TO 28 MPH INCREASING TO 26 TO 30 MPH  
EARLY IN THE MORNING.  
HAINES INDEX........3 TO 4 OR VERY LOW TO LOW POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
 
TIME (CDT) 6 AM 9 AM NOON 3 PM  
SKY (%).........44 42 40 47  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE  
TSTM COV........  
TEMP............39 41 49 53  
RH..............82 73 54 44  
20 FT WIND......W 17G26 NW 21G31 W 22G36 W 22G33  
MIX HGT (FT)....1900 2600 3700 4800  
TRANSPORT WIND..W 28 NW 30 W 30 W 26  
HAINES INDEX....3 3 4 4  
 

 
FORECASTER...MARTIN  
REQUESTED BY...CHAD LORETH  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2108555.0/DMX  
.DELDT 04/11/21  
.FORMATTERVERSION 2.0.0  
.EMAIL CHAD_LORETH@FWS.GOV  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IA Page Main Text Page