196
FNUS73 KDMX 301231
FWSDMX
SPOT FORECAST FOR BCC 15/20...IOWA DNR
NATIONAL WEATHER SERVICE DES MOINES IA
731 AM CDT WED APR 30 2025
FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON APRIL 30.
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
MOSTLY CLOUDY TODAY WITH SPOTTY LIGHT RAIN IN THE MORNING,
BECOMING MORE WIDESPREAD BY LATE TODAY. RELATIVE HUMIDITY
GENERALLY BETWEEN 50% AND 70% THROUGH THE DAY, WITH AN AFTERNOON
HIGH TEMPERATURE IN THE LOWER 60S. WIND WILL BE OUT OF THE
SOUTHEAST A 10-15 MPH.
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SLIGHT CHANCE OF
THUNDERSTORMS EARLY IN THE AFTERNOON. CHANCE OF
RAIN SHOWERS IN THE AFTERNOON.
TEMPERATURE.........52 AT IGNITION...MAX 64.
RH..................66 PERCENT AT IGNITION...MIN 53 PERCENT.
WIND (20 FT)........WINDS SOUTHEAST AT 10 MPH AT
IGNITION...OTHERWISE SOUTHEAST WINDS 10 TO 13
MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS EARLY IN THE AFTERNOON.
MIXING HEIGHT.......1000 FT AGL AT IGNITION...OTHERWISE 3300 FT
AGL.
TRANSPORT WINDS.....SOUTHEAST 16 TO 20 MPH.
SMOKE DISPERSAL.....FAIR /14600 KNOT-FT/ AT IGNITION. MAX...GOOD
/55300 KNOT-FT/.
GFDI................2.
TIME (CDT) 4AM 5AM 6AM 7AM 8AM 9AM 10A 11A 12P
SKY (%).........66 64 67 68 74 78 84 86 86
WEATHER COV..... CHC CHC CHC CHC CHC CHC
WEATHER TYPE.... RW RW RW RW RW RW
TSTM COV........ SCH
TEMP............52 56 60 61 61 62 62 61 60
RH..............66 59 53 53 56 56 60 62 69
20 FT WIND DIR..SE SE SE SE SE SE SE SE SE
20 FT WIND SPD..10 12 13 12 13 13 13 12 10
20 FT WIND GUST.13 14 16 15 16 17 17 17 17
MIX HGT (KFT)...1.0 1.5 2.2 2.8 3.3 2.9 2.6 2.5 1.9
TRANSP WIND DIR.SE SE S S SE SE SE SE SE
TRANSP WIND SPD.17 20 18 20 20 18 17 18 16
GFDI............1 1 2 2 2 2 1 1 1
SMOKE DISPERSAL.15 25 35 48 55 47 39 40 27
SMOKE CAT.......PR PR PR FR FR FR PR FR PR
TONIGHT
SKY/WEATHER.........CLOUDY (85-95 PERCENT). RAIN SHOWERS LIKELY
EARLY IN THE EVENING, THEN CHANCE OF RAIN
SHOWERS IN THE LATE EVENING AND OVERNIGHT.
SLIGHT CHANCE OF THUNDERSTORMS OVERNIGHT.
TEMPERATURE.........MIN 51.
RH..................MAX 96 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 10 MPH IN THE EVENING AND
OVERNIGHT BECOMING LIGHT, THEN BECOMING EAST
AROUND 5 MPH AFTER 3 AM BECOMING LIGHT BECOMING
NORTH AROUND 5 MPH EARLY IN THE MORNING. GUSTY
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
OVERNIGHT.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 10 TO 16 MPH SHIFTING TO THE SOUTH 6
TO 9 MPH AFTER 3 AM.
SMOKE DISPERSAL.....POOR (2500 KNOT-FT).
GFDI................1.
TIME (CDT) 1 PM 3 PM 5 PM 7 PM 9 PM 11 PM
SKY (%).........92 94 92 91 92 91
WEATHER COV.....LIKELY LIKELY CHANCE CHANCE CHANCE CHANCE
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........ S CHC
TEMP............60 57 55 54 54 53
RH..............69 80 83 93 93 96
20 FT WIND......SE 10 E 8 E 7 SE 6 E 3 NE 3
20 FT WIND GUST.16 14 12 9 7 7
MIX HGT (FT)....1000 700 900 900 800 700
TRANSPORT WIND..E 14 E 15 E 16 SE 12 S 10 SW 7
GFDI............1 1 0 0 0 0
SMOKE DISPERSAL.13 10 12 9 7 4
SMOKE CAT.......POOR POOR POOR POOR POOR POOR
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF RAIN
SHOWERS EARLY IN THE MORNING, THEN SLIGHT
CHANCE OF RAIN SHOWERS IN THE MORNING. CHANCE
OF RAIN SHOWERS IN THE AFTERNOON.
TEMPERATURE.........MAX 66.
RH..................MIN 67 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 14 MPH.
MIXING HEIGHT.......3500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 6 TO 15 MPH INCREASING TO 18 TO 22
MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (3100 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (56000 KNOT-FT) IN THE
AFTERNOON.
GFDI................1.
TIME (CDT) 1 AM 4 AM 7 AM 10 AM
SKY (%).........91 73 71 67
WEATHER COV.....CHANCE S CHC S CHC CHANCE
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........
TEMP............52 56 62 63
RH..............100 90 72 70
20 FT WIND......N 5G8 N 6G10 NW 9G13 NW 13G17
MIX HGT (FT)....600 1300 3000 3200
TRANSPORT WIND..W 6 NW 7 NW 10 NW 18
GFDI............0 0 1 1
SMOKE DISPERSAL.3 8 27 50
SMOKE CAT.......POOR POOR POOR FAIR
FORECASTER...LEE
REQUESTED BY...PRAIRIE RESOURCE UNIT
TYPE OF REQUEST...PRESCRIBED
.TAG 2512343.0/DMX
.DELDT 04/30/25
.FORMATTERVERSION 2.0.0
.EMAIL LAURA.MINER@DNR.IOWA.GOV
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