108
FNUS73 KDMX 071304
FWSDMX
SPOT FORECAST FOR CAPPERS...IOWA DNR
NATIONAL WEATHER SERVICE DES MOINES IA
804 AM CDT WED MAY 7 2025
FORECAST IS BASED ON IGNITION TIME OF 0800 CDT ON MAY 07.
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
LIGHT WINDS FROM A NORTHERLY DIRECTION EARLY THIS MORNING WILL
CONTINUE TO SHIFT BECOMING OUT OF THE NORTHEAST BY MID MORNING
WITH SPEEDS INCREASING TO 10 TO 15 MPH. RELATIVE HUMIDITY VALUES
BOTTOM OUT BETWEEN 30 AND 35% THIS AFTERNOON. A FRONT DROPPING
SOUTH WILL BRING A LOW CHANCE FOR ISOLATED SHOWERS OR STORMS THIS
AFTERNOON. THESE SHOWERS/STORMS MAY HAVE GUSTY, ERRATIC OUTFLOW
WINDS OF 30-40 MPH.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (65-75 PERCENT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS LATE IN THE
AFTERNOON.
MAX TEMPERATURE.....AROUND 78.
MIN HUMIDITY........33 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHEAST 5 TO 12 MPH IN
THE LATE MORNING AND AFTERNOON. GUSTY AND
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS LATE
IN THE AFTERNOON.
MIXING HEIGHT.......6600 FT AGL.
TRANSPORT WINDS.....NORTHEAST 8 TO 10 MPH INCREASING TO 10 TO 17
MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (3300 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (78800 KNOT-FT) IN THE
AFTERNOON.
TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........65 64 62 63 64 65 67 70 72 74
WEATHER COV..... SCH SCH SCH
WEATHER TYPE.... RW RW RW
TSTM COV........ SCH SCH SCH
TEMP............59 63 66 70 73 76 77 77 78 76
RH..............69 65 56 49 43 39 36 35 33 36
20 FT WIND DIR..N N NE NE NE NE NE NE NE NE
20 FT WIND SPD..3 5 6 7 8 9 10 10 12 12
20 FT WIND GUST. 12 13 14 14 15 16
MIX HGT (KFT)...0.5 0.6 1.3 1.8 3.0 4.8 5.4 6.6 5.9 3.4
TRANSP WIND DIR.N N NE NE NE NE NE NE NE NE
TRANSP WIND SPD.8 9 9 10 10 12 14 14 15 17
SMOKE DISPERSAL.3 5 11 16 27 48 65 79 76 52
SMOKE CAT.......PR PR PR PR PR FR GD GD GD FR
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING
PARTLY CLOUDY (30-40 PERCENT).
MIN TEMPERATURE.....AROUND 47.
MAX HUMIDITY........69 PERCENT.
WIND (20 FT)........EAST WINDS 10 TO 12 MPH.
MIXING HEIGHT.......800 FT AGL.
TRANSPORT WINDS.....EAST 15 TO 20 MPH.
SMOKE DISPERSAL.....GOOD (47500 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (11400 KNOT-FT) LATE IN THE
NIGHT.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........77 79 80 82 83 75 66 58 48 37 27 21
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............75 72 68 64 63 60 58 56 54 52 49 49
RH..............37 42 51 60 65 67 67 69 66 66 68 66
20 FT WIND DIR..NE NE E E E E E E E E E E
20 FT WIND SPD..12 12 12 10 10 10 10 10 10 10 10 10
20 FT WIND GUST.16 16 16 16 16 16 16 17 17 17 17 17
MIX HGT (KFT)...3.0 1.9 0.8 0.9 1.2 1.1 1.1 1.0 1.2 1.2 1.2 0.9
TRANSP WIND DIR.E E E E E E E E E E E E
TRANSP WIND SPD.18 18 16 16 20 20 18 18 20 17 16 15
SMOKE DISPERSAL.48 31 11 13 21 19 17 16 21 17 16 12
SMOKE CAT.......FR PR PR PR PR PR PR PR PR PR PR PR
THURSDAY
SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....AROUND 69.
MIN HUMIDITY........28 PERCENT.
WIND (20 FT)........EAST WINDS 9 TO 12 MPH.
MIXING HEIGHT.......4200 FT AGL.
TRANSPORT WINDS.....EAST 14 TO 17 MPH.
SMOKE DISPERSAL.....POOR (10400 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (54600 KNOT-FT) IN THE
AFTERNOON.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........15 8 9 9 9 7 5 3 2 2 1 3
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............47 47 48 51 55 58 62 65 66 67 69 68
RH..............65 65 65 61 55 47 39 34 33 32 28 31
20 FT WIND DIR..E E E E E E E E E E E E
20 FT WIND SPD..10 10 10 10 10 10 12 12 12 12 10 9
20 FT WIND GUST.16 16 16 16 15 15 16 16 16 16 16 15
MIX HGT (KFT)...0.9 1.3 1.4 1.7 2.1 2.2 2.7 3.2 3.6 3.9 4.2 3.8
TRANSP WIND DIR.E E E E E E E E E E E E
TRANSP WIND SPD.14 17 16 15 15 15 15 16 16 16 15 14
SMOKE DISPERSAL.10 19 20 23 27 29 37 45 50 53 55 46
SMOKE CAT.......PR PR PR PR PR PR PR FR FR FR FR FR
FORECASTER...05
REQUESTED BY...ADAM KULOW
TYPE OF REQUEST...PRESCRIBED
.TAG 2513339.0/DMX
.DELDT 05/07/25
.FORMATTERVERSION 2.0.0
.EMAIL ADAM.KULOW@DNR.IOWA.GOV
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