922  
FNUS73 KDMX 031515  
FWSDMX  
 
SPOT FORECAST FOR SLEEPY HOLLOW...STORY COUNTY CONSERVATION  
NATIONAL WEATHER SERVICE DES MOINES IA  
1015 AM CDT THU APR 3 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON APRIL 03.  
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  
 
IT SHOULD BE DRY TODAY WITH PARTLY TO MOSTLY CLOUDY SKIES. WINDS  
WILL BE GRADUALLY DIMINISHING THROUGH THE DAY WITH NO EXTREMES IN  
TEMPERATURE OR HUMIDITY EXPECTED. WIND DIRECTION SHOULD BE FAIRLY  
SIMILAR FROM THE NORTHWEST INTO THE AFTERNOON.  
   
REST OF TODAY  
 
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).  
MAX TEMPERATURE.....AROUND 54.  
MIN HUMIDITY........52 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 6 TO 10 MPH.  
MIXING HEIGHT.......3900 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 5 TO 14 MPH.  
SMOKE DISPERSAL.....FAIR (15700 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO GOOD (35600 KNOT-FT) IN THE  
AFTERNOON.  
GFDI................2.  
 
TIME (CDT) 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........58 53 48 56 55 58  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............46 48 50 51 52 52  
RH..............60 56 54 52 53 54  
20 FT WIND DIR..NW NW NW NW NW NW  
20 FT WIND SPD..10 10 8 8 7 6  
20 FT WIND GUST.17 14 12 10 9 7  
MIX HGT (KFT)...3.0 3.0 3.1 3.5 3.8 3.9  
TRANSP WIND DIR.NW NW NW NW NW NW  
TRANSP WIND SPD.14 12 9 7 6 5  
GFDI............3 3 3 2 2 1  
SMOKE DISPERSAL.36 30 25 21 19 16  
SMOKE CAT.......PR PR PR PR PR PR  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) THEN BECOMING  
PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (55-65 PERCENT).  
MIN TEMPERATURE.....AROUND 35.  
MAX HUMIDITY........100 PERCENT.  
WIND (20 FT)........NORTH WINDS AROUND 6 MPH SHIFTING TO THE  
NORTHEAST 6 TO 9 MPH IN THE LATE EVENING AND  
OVERNIGHT.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 5 MPH SHIFTING TO THE EAST 6 TO 14  
MPH EARLY IN THE EVENING.  
SMOKE DISPERSAL.....FAIR (14100 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO POOR (2800 KNOT-FT) LATE IN THE  
NIGHT.  
GFDI................2.  
 
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........64 68 73 58 49 63  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
TEMP............53 49 43 40 39 37  
RH..............54 63 76 85 89 96  
20 FT WIND......N 6 NE 6 NE 6 E 7 NE 7 E 8  
20 FT WIND GUST.8 8 8 9 9 10  
MIX HGT (FT)....3500 600 500 500 500 600  
TRANSPORT WIND..N 5 NE 6 NE 8 E 10 E 10 E 13  
GFDI............2 2 1 1 1 1  
SMOKE DISPERSAL.14 3 4 4 5 6  
SMOKE CAT.......POOR POOR POOR POOR POOR POOR  
   
FRIDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). SLIGHT CHANCE OF  
RAIN EARLY IN THE AFTERNOON. CHANCE OF RAIN IN  
THE AFTERNOON.  
MAX TEMPERATURE.....AROUND 54.  
MIN HUMIDITY........64 PERCENT.  
WIND (20 FT)........EAST WINDS 8 TO 12 MPH.  
MIXING HEIGHT.......2600 FT AGL.  
TRANSPORT WINDS.....EAST 12 TO 15 MPH.  
SMOKE DISPERSAL.....POOR (6600 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO FAIR (28300 KNOT-FT) IN THE  
AFTERNOON.  
GFDI................3.  
 
TIME (CDT) 6 AM 9 AM NOON 3 PM  
SKY (%).........66 69 84 94  
WEATHER COV..... S CHC CHANCE  
WEATHER TYPE....NONE NONE RAIN RAIN  
TSTM COV........  
TEMP............35 41 50 53  
RH..............100 86 71 64  
20 FT WIND......E 9G12 E 10G14 E 10G14 E 9G12  
MIX HGT (FT)....600 1000 2000 2500  
TRANSPORT WIND..E 14 E 15 E 15 E 12  
GFDI............1 2 3 3  
SMOKE DISPERSAL.7 14 26 26  
SMOKE CAT.......POOR POOR POOR POOR  
 
 
FORECASTER...SMALL  
REQUESTED BY...BRANDON CLOUGH  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2508785.0/DMX  
.DELDT 04/03/25  
.FORMATTERVERSION 2.0.0  
.EMAIL BCLOUGH@STORYCOUNTYIOWA.GOV  
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