989
FNUS73 KOAX 081451
FWSOAX
SPOT FORECAST FOR HRABIK SAVANNA RX BURN UNIT...IOWA DNR
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
951 AM CDT THU MAY 8 2025
FORECAST IS BASED ON IGNITION TIME OF 1700 CDT ON MAY 08.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
WINDS ARE BECOMING NORTHEASTERLY AS THEY INCREASE THIS MORNING WITH
THE EROSION OF THE MORNING INVERSION. MIXING HEIGHTS WILL PEAK AT
AROUND 6000 FT BY 4 PM. HUMIDITY WILL DROP TO 28-32 PERCENT BY 6PM.
WINDS WILL BE STRONGEST AT 5PM IGNITION AND RELAX, HOLDING THEIR
NORTHEAST DIRECTION PRETTY STEADY THROUGH ABOUT 9PM WHEN THEY
BECOME MORE EASTERLY.
FRIDAY WILL BE SIMILAR TO TODAY WEATHER-WISE, THOUGH HUMIDITY WILL
DROP LOWER DURING THE AFTERNOON INTO THE 23-28% RANGE AND WINDS WILL
BE LIGHTER AND MORE VARIABLE. WE'LL SEE FIRE DANGER TREND HIGHER
EACH DAY OVER THE WEEKEND INTO EARLY NEXT WEEK IN NORTHEAST NEBRASKA
AS DRIER AIR MOVES IN. WINDS WILL STAY RELATIVELY LIGHT UNTIL SUNDAY
WHEN WE SEE STRONGER SOUTHERLY WINDS RETURN TO THE REGION.
STRONGEST POSSIBLE WIND SPEEDS ON DAY OF BURN: 17 MPH GUST
LOWEST POSSIBLE RELATIVE HUMIDITY ON DAY OF BURN: 28%
REST OF TODAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
TEMPERATURE.........76 AT IGNITION...MAX 76.
RH..................32 PERCENT AT IGNITION...MIN 32 PERCENT.
EYE LEVEL WINDS.....NORTHEAST WINDS AROUND 6 MPH.
SURFACE WINDS (MPH).NORTHEAST WINDS AROUND 10 MPH.
WIND (20 FT)........WINDS NORTHEAST AT 8 MPH AT
IGNITION...OTHERWISE NORTHEAST WINDS AROUND 9
MPH.
MIXING HEIGHT.......5600 FT AGL AT IGNITION...OTHERWISE 5600 FT
AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 9 MPH.
SMOKE DISPERSAL.....GOOD /53900 KNOT-FT/ AT IGNITION. MAX...GOOD
/53900 KNOT-FT/.
GFDI................0.
TIME (CDT) 5PM
SKY (%).........3
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............76
RH..............32
20 FT WIND DIR..NE
20 FT WIND SPD..8
20 FT WIND GUST.13
EYE LVL WND DIR.NE
EYE LVL WND SPD.6
EYE LVL WND GST.10
SURFACE WND DIR.NE
SURFACE WND SPD.10
SURFACE WND GST.16
MIX HGT (KFT)...5.6
TRANSP WIND DIR.NE
TRANSP WIND SPD.9
GFDI............0
SDSPL KT-FT/100054
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT).
TEMPERATURE.........MIN 47.
RH..................MAX 80 PERCENT.
EYE LEVEL WINDS.....EAST WINDS UP TO 5 MPH IN THE EVENING BECOMING
LIGHT.
SURFACE WINDS (MPH).EAST WINDS 6 TO 9 MPH IN THE EVENING BECOMING
LIGHT.
WIND (20 FT)........EAST WINDS 5 TO 8 MPH IN THE EVENING BECOMING
LIGHT.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....EAST 9 TO 12 MPH SHIFTING TO THE SOUTHEAST 8 TO
12 MPH OVERNIGHT.
SMOKE DISPERSAL.....GOOD (53600 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 (%).........3 6 8 4 6 6
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
TEMP............76 71 61 57 54 50
RH..............32 36 50 53 59 71
20 FT WIND......NE 7 E 6 E 5 E 4 SE 3 SE 2
20 FT WIND GUST.12 10 7 6 6 4
EYE LEVEL WIND..NE 5 E 4 E 4 E 3 SE 2 SE 1
EYE LVL WND GST.9 7 5 5 4 3
SURFACE WIND....NE 9 E 8 E 6 E 5 SE 4 SE 3
SURFACE WND GST.15 12 9 8 7 5
MIX HGT (FT)....5400 400 300 300 300 300
TRANSPORT WIND..NE 9 E 9 E 10 E 12 SE 10 SE 8
GFDI............0 0 0 0 0 0
SDSPL KT-FT/100054 34 3 1 3 2
FRIDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
TEMPERATURE.........MAX 80.
RH..................MIN 29 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS.
SURFACE WINDS (MPH).LIGHT WINDS.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......5400 FT AGL.
TRANSPORT WINDS.....SOUTH 6 TO 7 MPH SHIFTING TO THE NORTHEAST
AROUND 6 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (1400 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (26800 KNOT-FT) IN THE
AFTERNOON.
GFDI................0.
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........5 6 1 3 4 4
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
TEMP............49 53 65 73 76 78
RH..............77 71 52 40 36 32
20 FT WIND......SE 2 SE 2 S 3 S 4 SE 4 SE 4
20 FT WIND GUST.4 4 6 6 6 7
EYE LEVEL WIND..SE 1 SE 1 S 2 S 3 SE 3 SE 3
EYE LVL WND GST.3 3 4 5 5 5
SURFACE WIND....SE 3 SE 3 S 4 S 5 SE 5 SE 5
SURFACE WND GST.5 5 7 8 8 9
MIX HGT (FT)....300 800 1800 3200 4900 5400
TRANSPORT WIND..SE 7 S 7 S 7 SE 6 NE 6 NE 6
GFDI............0 0 0 0 0 0
SDSPL KT-FT/10001 4 11 18 24 27
FORECAST DAYS 3 THROUGH 5
SATURDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE MID 80S. LIGHT
WINDS.
SUNDAY
CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER 80S. SOUTH WINDS
AROUND 6 MPH.
MONDAY
CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER 80S. SOUTH WINDS
AROUND 11 MPH.
FORECASTER...NICOLAISEN
REQUESTED BY...JEFF SEAGO
TYPE OF REQUEST...PRESCRIBED
.TAG 2513517.0/OAX
.DELDT 05/08/25
.FORMATTERVERSION 2.0.0
.EMAIL JEFFREY.SEAGO@DNR.IOWA.GOV
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