334
FNUS73 KOAX 121338
FWSOAX
SPOT FORECAST FOR BENGAL NORTH...IOWA DNR MO RIVER
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
838 AM CDT MON MAY 12 2025
FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MAY 12.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
.DISCUSSION..
MOSTLY CLEAR SKIES THIS MORNING WITH WINDS GENERALLY OUT OF THE
SOUTHEAST. A MORNING INVERSION IS IN PLACE KEEPING MIXING HEIGHTS
DOWN AROUND 500 FT. THIS WON'T COMPLETELY MIX OUT UNTIL 10-11 AM
THIS MORNING. ONCE THE INVERSION MIXES OUT, MIXING HEIGHTS WILL
RAPIDLY INCREASE TO 5000-6000 FT, PEAKING AROUND 6500 FT THIS
AFTERNOON. WINDS MEANWHILE WILL BECOME MORE SOUTHERLY AROUND THAT
10-11 AM TIMEFRAME INCREASING TO 10 TO 15 MPH GUSTING TO 25 MPH,
HOLDING THROUGH THE AFTERNOON. HUMIDITY THIS AFTERNOON DROPS TO
AROUND 20 PERCENT.
STRONGEST POSSIBLE WIND SPEEDS ON DAY OF BURN: 28 MPH
LOWEST POSSIBLE RELATIVE HUMIDITY ON DAY OF BURN: 15 PERCENT
REST OF TODAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 86.
MIN HUMIDITY........20 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS 7 TO 9 MPH WITH GUSTS TO AROUND 15
MPH.
SURFACE WINDS (MPH).SOUTH WINDS 11 TO 15 MPH WITH GUSTS TO AROUND
25 MPH.
WIND (20 FT)........SOUTH WINDS 10 TO 12 MPH WITH GUSTS TO AROUND
20 MPH.
MIXING HEIGHT.......6400 FT AGL.
TRANSPORT WINDS.....SOUTH 17 TO 18 MPH.
SMOKE DISPERSAL.....FAIR (29100 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (96900 KNOT-FT) IN THE
AFTERNOON.
GFDI................1.
TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........1 2 2 4 1 1 2 1
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............72 77 81 83 84 86 86 86
RH..............39 34 30 27 25 22 21 21
20 FT WIND DIR..S S S S S S S S
20 FT WIND SPD..9 10 10 11 11 11 12 11
20 FT WIND GUST.16 18 18 18 19 19 20 19
EYE LVL WND DIR.S S S S S S S S
EYE LVL WND SPD.7 8 8 8 8 8 9 8
EYE LVL WND GST.12 13 13 14 14 14 15 14
SURFACE WND DIR.S S S S S S S S
SURFACE WND SPD.11 13 13 14 14 14 15 14
SURFACE WND GST.20 22 22 23 24 24 25 24
MIX HGT (KFT)...1.9 3.5 4.6 5.0 5.7 6.0 6.4 5.9
TRANSP WIND DIR.S S S S S S S S
TRANSP WIND SPD.17 18 18 18 18 18 17 17
GFDI............0 0 0 0 0 1 1 1
SDSPL KT-FT/100029 46 64 80 91 97 96 89
TONIGHT
MIN TEMPERATURE.....AROUND 55.
MAX HUMIDITY........74 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS UP TO 8 MPH. GUSTS UP TO 22 MPH
EARLY IN THE EVENING.
WIND (20 FT)........SOUTH WINDS 8 TO 12 MPH. GUSTS UP TO 22 MPH
EARLY IN THE EVENING.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
TEMP............85 83 79 73 70 67 65 63 62 59 58 57
RH..............20 22 27 31 35 42 48 55 57 64 69 71
20 FT WIND DIR..S S SE SE SE SE SE SE SE S S S
20 FT WIND SPD..10 8 8 7 7 7 7 7 6 6 6 6
20 FT WIND GUST.18 16 10 8 8 7
EYE LVL WND DIR.S S SE SE SE SE SE SE SE S S S
EYE LVL WND SPD.8 6 6 5 5 5 5 5 4 4 4 4
EYE LVL WND GST.13 12 7 6 6 5 5 5
TUESDAY
SKY/WEATHER.........SUNNY (5-15 PERCENT).
MIN HUMIDITY........28 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS UP TO 8 MPH. GUSTS UP TO 23 MPH IN
THE AFTERNOON.
WIND (20 FT)........SOUTH WINDS 7 TO 13 MPH. GUSTS UP TO 23 MPH IN
THE AFTERNOON.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........13 16 18 5 0 0 2 4 4 3 2 1
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
RH..............74 74 71 59 47 38 32 31 28 28 28 28
20 FT WIND DIR..S SE S S S S S S S S S S
20 FT WIND SPD..6 6 6 7 8 8 9 9 10 11 11 11
20 FT WIND GUST. 8 14 14 16 17 18 18 18 18
EYE LVL WND DIR.S SE S S S S S S S S S S
EYE LVL WND SPD.4 4 4 5 6 6 7 7 8 8 8 8
EYE LVL WND GST. 5 6 10 11 12 13 13 14 14 13
FORECASTER...MCCOY
REQUESTED BY...DOUG CHAFA
TYPE OF REQUEST...PRESCRIBED
.TAG 2513774.0/OAX
.DELDT 05/12/25
.FORMATTERVERSION 2.0.0
.EMAIL DOUG.CHAFA@DNR.IOWA.GOV
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