909
FNUS73 KDMX 071330
FWSDMX
SPOT FORECAST FOR DOOLITTLE PRAIRIE...STORY COUNTY CONSERVATION
NATIONAL WEATHER SERVICE DES MOINES IA
830 AM CDT WED MAY 7 2025
FORECAST IS BASED ON IGNITION TIME OF 1100 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 AND VARIABLE WINDS EARLY THIS MORNING WILL BECOME OUT OF THE
NORTHEAST TO EAST INTO MIDDAY AND MAY BECOME OUT OF THE SOUTHEAST
AT TIMES THIS AFTERNOON. WIND SPEEDS AND GUSTS GENERALLY REMAIN
LESS THAN 10-15 MPH. ISOLATED SHOWERS OR STORMS DEVELOP THIS
AFTERNOON INTO EVENING WHICH MAY BRING A CHANCE (35-40%) FOR A
SHOWER/STORM AT THE BURN SITE. THESE DO POSE THE HAZARD OF GUSTY,
ERRATIC OUTFLOW WINDS OF 30-40 MPH. RELATIVE HUMIDITY VALUES DROP
TO AROUND TO JUST BELOW 30% BY THIS AFTERNOON AS WELL.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS LATE IN THE
AFTERNOON. CHANCE OF SHOWERS AND THUNDERSTORMS
LATE IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 80.
MIN HUMIDITY........29 PERCENT.
WIND (20 FT)........EAST WINDS 5 TO 9 MPH. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS LATE IN THE
AFTERNOON.
MIXING HEIGHT.......9300 FT AGL.
TRANSPORT WINDS.....EAST 7 TO 12 MPH.
SMOKE DISPERSAL.....FAIR (18400 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (92700 KNOT-FT) IN THE
AFTERNOON.
GFDI................0.
TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........64 60 56 61 67 73 77
WEATHER COV..... SCH CHC CHC
WEATHER TYPE.... RW RW RW
TSTM COV........ SCH CHC CHC
TEMP............71 75 78 79 80 78 77
RH..............44 37 31 30 29 31 33
20 FT WIND DIR..E E E E E E E
20 FT WIND SPD..5 6 7 8 8 9 9
20 FT WIND GUST. 10 12 12 13 14 13
MIX HGT (KFT)...3.1 6.3 7.7 9.1 9.3 8.2 6.3
TRANSP WIND DIR.E E E E E E E
TRANSP WIND SPD.7 10 12 10 12 12 12
GFDI............0 0 0 0 0 0 0
SMOKE DISPERSAL.18 57 77 82 93 82 63
SMOKE CAT.......PR FR GD GD GD GD GD
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING
PARTLY CLOUDY (40-50 PERCENT). CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING.
MIN TEMPERATURE.....AROUND 49.
MAX HUMIDITY........83 PERCENT.
WIND (20 FT)........EAST WINDS 9 TO 10 MPH. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS EARLY IN THE
EVENING. GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS LATE IN THE EVENING.
MIXING HEIGHT.......600 FT AGL.
TRANSPORT WINDS.....EAST 13 TO 17 MPH.
SMOKE DISPERSAL.....GOOD (40000 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (6300 KNOT-FT) LATE IN THE
NIGHT.
GFDI................0.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........82 86 85 71 59 50
WEATHER COV.....CHANCE CHANCE CHANCE
WEATHER TYPE....RNSHWR RNSHWR RNSHWR NONE NONE NONE
TSTM COV........CHANCE CHANCE S CHC
TEMP............76 68 63 60 57 52
RH..............37 54 72 75 77 83
20 FT WIND......E 9 E 9 E 9 E 10 E 10 E 10
20 FT WIND GUST.13 12 12 13 15 16
MIX HGT (FT)....3300 600 600 700 900 900
TRANSPORT WIND..E 14 E 13 E 14 E 17 E 16 E 17
GFDI............0 0 0 0 0 0
SMOKE DISPERSAL.40 6 7 11 13 13
SMOKE CAT.......FAIR POOR POOR POOR POOR POOR
THURSDAY
SKY/WEATHER.........SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....AROUND 72.
MIN HUMIDITY........27 PERCENT.
WIND (20 FT)........EAST WINDS 10 TO 12 MPH.
MIXING HEIGHT.......4300 FT AGL.
TRANSPORT WINDS.....EAST 13 TO 17 MPH.
SMOKE DISPERSAL.....POOR (12500 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (48200 KNOT-FT) IN THE
AFTERNOON.
GFDI................0.
TIME (CDT) 6 AM 9 AM NOON 3 PM
SKY (%).........29 10 6 4
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE
TSTM COV........
TEMP............51 53 64 70
RH..............71 64 41 30
20 FT WIND......E 10G16 E 10G15 NE 10G16 E 12G17
MIX HGT (FT)....900 1700 2800 4000
TRANSPORT WIND..E 16 E 15 E 16 E 14
GFDI............0 0 0 0
SMOKE DISPERSAL.13 23 38 48
SMOKE CAT.......POOR POOR POOR FAIR
FORECASTER...05
REQUESTED BY...BRANDON CLOUGH
TYPE OF REQUEST...PRESCRIBED
.TAG 2513351.0/DMX
.DELDT 05/07/25
.FORMATTERVERSION 2.0.0
.EMAIL BCLOUGH@STORYCOUNTYIOWA.GOV
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