463
FNUS73 KDMX 151205
FWSDMX
SPOT FORECAST FOR CBG - SPECK...POLK COUNTY CONSERVATION
NATIONAL WEATHER SERVICE DES MOINES IA
705 AM CDT MON SEP 15 2025
FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON SEPTEMBER 15.
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 WILL BE VERY WARM TODAY WITH A BREEZE FROM THE SOUTH-SOUTHEAST
PEAKING AROUND 10 MPH. MINIMUM RELATIVE HUMIDITY WILL STAY ABOVE
40%. WHILE NOT IN THE FORECAST BELOW, THERE IS A VERY LOW CHANCE
(<15%) THAT ISOLATED STORMS COULD DEVELOP LATER TODAY IF NOT THIS
AFTERNOON. IF THESE STORMS DO DEVELOP, GUSTY OUTFLOW WINDS COULD
BE POSSIBLE.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT).
MAX TEMPERATURE.....AROUND 90.
MIN HUMIDITY........47 PERCENT.
WIND (20 FT)........SOUTH WINDS 6 TO 9 MPH.
MIXING HEIGHT.......5400 FT AGL.
TRANSPORT WINDS.....SOUTH 9 TO 14 MPH.
SMOKE DISPERSAL.....POOR (10100 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (64900 KNOT-FT) IN THE
AFTERNOON.
GFDI................0.
TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........64 65 66 67 62 58 53 55
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............77 81 84 87 88 88 89 88
RH..............71 63 57 52 50 48 47 48
20 FT WIND DIR..S S S S S S S SE
20 FT WIND SPD..6 7 8 9 9 9 9 9
20 FT WIND GUST. 14 15 15 15 15 14
MIX HGT (KFT)...1.3 2.1 3.0 3.8 4.8 5.4 4.7 3.8
TRANSP WIND DIR.SW S S S S S S S
TRANSP WIND SPD.9 12 12 12 13 14 12 12
GFDI............0 0 0 0 0 0 0 0
SMOKE DISPERSAL.10 21 30 38 53 65 48 38
SMOKE CAT.......PR PR PR PR FR GD FR PR
FORECASTER...ANSORGE
REQUESTED BY...LAEL NEAL
TYPE OF REQUEST...PRESCRIBED
.TAG 2521967.0/DMX
.DELDT 09/15/25
.FORMATTERVERSION 2.0.0
.EMAIL LAEL.NEAL@POLKCOUNTYIOWA.GOV
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