087
FNUS73 KOAX 071343
FWSOAX
SPOT FORECAST FOR GREEN PRAIRIE RX BURN...IOWA DNR
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
843 AM CDT THU MAY 7 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 CDT ON MAY 07.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
EXPECT A FEW REMAINING CLOUDS OVER THE BURN AREA TO MOVE OUT OF
THE AREA BY AROUND 10 OR 11AM. RELATIVE HUMIDITY WILL FALL INTO
THE MID-40S BY 11AM AND INTO THE 20-30% RANGE BY 2PM.
SOUTHWEST WINDS (0-5MPH) WILL SHIFT TO THE WEST BY 10AM AND THE
NORTHWEST BY 2PM. EXPECT WINDS THIS AFTERNOON TO BE AROUND
5-10MPH, MAINLY OUR OF THE NORTHWEST. WINDS WILL SHIFT TO THE
NORTH AROUND 0-5MPH BY 8PM. THROUGH THE AFTERNOON, WINDS MAY GUST
TO AROUND 10-15MPH.
STRONGEST POSSIBLE 30 FT WIND SPEEDS ON DAY OF BURN: 5-10MPH
LOWEST POSSIBLE RELATIVE HUMIDITY ON DAY OF BURN: 21%
REST OF TODAY
SKY/WEATHER.........SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....AROUND 69.
MIN HUMIDITY........21 PERCENT.
EYE LEVEL WINDS.....WEST WINDS AROUND 4 MPH EARLY IN THE MORNING
BECOMING LIGHT, THEN BECOMING NORTHWEST AROUND
4 MPH LATE IN THE AFTERNOON.
WIND (30 FT)........SOUTHWEST WINDS AROUND 6 MPH BECOMING WEST 6 TO
8 MPH LATE IN THE MORNING, THEN BECOMING LIGHT
EARLY IN THE AFTERNOON BECOMING NORTHWEST 6 TO
8 MPH LATE IN THE AFTERNOON.
WIND (20 FT)........SOUTHWEST WINDS AROUND 5 MPH BECOMING 5 TO 6
MPH LATE IN THE MORNING, THEN BECOMING LIGHT
EARLY IN THE AFTERNOON BECOMING NORTHWEST 5 TO
6 MPH LATE IN THE AFTERNOON.
MIXING HEIGHT.......8600 FT AGL.
TRANSPORT WINDS.....WEST 9 TO 16 MPH SHIFTING TO THE NORTHWEST 12
TO 15 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR (14800 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (111200 KNOT-FT) IN THE
AFTERNOON.
GFDI................0.
TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........34 16 8 5 4 0 1 1 1 3
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............44 50 55 59 60 63 65 68 68 68
RH..............65 56 49 42 39 34 29 24 23 22
20 FT WIND DIR..SW SW SW W W W W NW NW NW
20 FT WIND SPD..5 5 6 6 4 4 4 5 6 6
20 FT WIND GUST. 10 10 8 8 10 10 11 11
EYE LVL WND DIR.SW SW SW W W W W NW NW NW
EYE LVL WND SPD.4 4 4 4 3 3 3 4 4 4
EYE LVL WND GST. 7 7 6 6 7 8 8 8
30 FT WND DIR...SW SW SW W W W W NW NW NW
30 FT WND SPD...6 6 8 8 5 5 5 6 8 8
30 FT WND GST... 12 12 10 10 12 13 14 14
MIX HGT (KFT)...0.7 1.7 2.7 4.0 4.8 5.8 7.4 8.3 8.6 8.5
TRANSP WIND DIR.SW SW W W W W NW NW NW NW
TRANSP WIND SPD.13 16 14 10 9 9 12 14 15 15
GFDI............0 0 0 0 0 0 0 0 0 0
SDSPL KT-FT/100015 24 32 35 38 46 71 97 111 100
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT) THEN BECOMING
MOSTLY CLOUDY (70-80 PERCENT).
MIN TEMPERATURE.....AROUND 42.
MAX HUMIDITY........70 PERCENT.
EYE LEVEL WINDS.....NORTH WINDS AROUND 4 MPH EARLY IN THE EVENING
BECOMING LIGHT.
WIND (30 FT)........NORTHWEST WINDS AROUND 8 MPH SHIFTING TO THE
NORTH EARLY IN THE EVENING, THEN BECOMING LIGHT
EARLY IN THE EVENING.
WIND (20 FT)........NORTHWEST WINDS AROUND 6 MPH SHIFTING TO THE
NORTH EARLY IN THE EVENING, THEN BECOMING LIGHT
EARLY IN THE EVENING.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10 TO 14 MPH SHIFTING TO THE
SOUTHEAST 6 TO 8 MPH AFTER 3 AM.
SMOKE DISPERSAL.....EXCELLENT (75600 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (0 KNOT-FT) LATE IN THE
NIGHT.
GFDI................0.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........4 23 39 70 82 85
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
TEMP............69 63 53 49 48 45
RH..............21 28 38 44 47 58
20 FT WIND......NW 6 N 4 E 4 E 3 SE 2 SE 2
20 FT WIND GUST.10 6 5 4
EYE LEVEL WIND..NW 4 N 3 E 3 E 2 SE 1 SE 1
EYE LVL WND GST.7 4 4 3 2 2
30 FT WIND......NW 8 N 5 E 5 E 4 SE 3 SE 3
30 FT WND GST...12 7 6 5
MIX HGT (FT)....7900 500 400 400 400 400
TRANSPORT WIND..NW 14 N 7 NE 7 E 8 E 6 SE 8
GFDI............0 0 0 0 0 0
SDSPL KT-FT/100076 30 2 0 3 3
FRIDAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT) THEN BECOMING
MOSTLY SUNNY (30-40 PERCENT).
MAX TEMPERATURE.....AROUND 74.
MIN HUMIDITY........25 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING NORTHWEST UP TO 7 MPH IN
THE AFTERNOON.
WIND (30 FT)........LIGHT WINDS BECOMING NORTHWEST 6 TO 11 MPH IN
THE AFTERNOON.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 10 MPH IN THE
AFTERNOON.
MIXING HEIGHT.......9500 FT AGL.
TRANSPORT WINDS.....EAST 6 TO 8 MPH SHIFTING TO THE NORTHWEST 6 TO
14 MPH IN THE LATE MORNING AND EARLY AFTERNOON,
THEN SHIFTING TO THE WEST 16 TO 18 MPH LATE IN
THE AFTERNOON.
SMOKE DISPERSAL.....POOR (1100 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (90700 KNOT-FT) IN THE
AFTERNOON INCREASING TO EXCELLENT (121200
KNOT-FT) LATE IN THE AFTERNOON.
GFDI................0.
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........78 84 46 29 34 42
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
TEMP............44 47 58 66 70 72
RH..............65 65 45 34 29 27
20 FT WIND......E 3 N 3 W 3 W 5 W 6 W 8
20 FT WIND GUST.4 5 6 8 12 14
EYE LEVEL WIND..E 2 N 2 W 2 W 4 W 4 W 6
EYE LVL WND GST.3 4 4 6 9 10
30 FT WIND......E 4 N 4 W 4 W 6 W 8 W 10
30 FT WND GST...5 6 7 10 15 17
MIX HGT (FT)....400 800 2200 6500 8100 9500
TRANSPORT WIND..NE 8 E 6 NW 8 NW 13 W 14 W 18
GFDI............0 0 0 0 0 0
SDSPL KT-FT/10001 2 16 64 122 152
FORECASTER...ANW
REQUESTED BY...JEFF SEAGO
TYPE OF REQUEST...PRESCRIBED
.TAG 2613045.0/OAX
.DELDT 05/07/26
.FORMATTERVERSION 2.0.0
.EMAIL JEFFREY.SEAGO@DNR.IOWA.GOV
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