016
FNUS73 KARX 291544
FWSARX
SPOT FORECAST FOR SNY MCGILL BURN...IOWA DNR
NATIONAL WEATHER SERVICE LA CROSSE WI
1044 AM CDT TUE APR 29 2025
FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON APRIL 29.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE AT (608) 784-8292 IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
LOOK FOR STEADILY CLEARING SKIES THIS AFTERNOON WITH NORTHWEST
WINDS OF 10 TO 15 MPH, GUSTING TO 20 MPH AT TIMES. THESE WINDS
COULD BE MORE VARIABLE (POSSIBLY MORE NORTHERLY) GIVEN THE
TOPOGRAPHY AROUND THE SPOT LOCATION. WINDS DECREASE INTO THE LATE
AFTERNOON AND EVENING. SKIES CLEAR FOR TONIGHT WITH THE NEXT
CHANCE OF WETTING RAIN COMING WEDNESDAY AFTERNOON. DAYTIME RH
VALUES TODAY WON'T FALL TOO FAR DUE TO THE CLOUDS, FALLING TO
AROUND 40 TO 50 PERCENT THIS AFTERNOON. THE STRONGER WINDS SHOULD
PROMOTE GOOD TO EXCELLENT VENTILATION RATES.
TODAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) THEN BECOMING
SUNNY (15-25 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TEMPERATURE.........52 AT IGNITION...MAX 61.
RH..................69 PERCENT AT IGNITION...MIN 44 PERCENT.
WIND (20 FT)........WINDS NORTHWEST AT 13 MPH AT
IGNITION...OTHERWISE NORTHWEST WINDS 6 TO 15
MPH. GUSTS UP TO 29 MPH IN THE MORNING AND
EARLY AFTERNOON.
MIXING HEIGHT.......3000 FT AGL AT IGNITION...OTHERWISE 3900 FT AGL
INCREASING TO 4100 FT AGL LATE IN THE
AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 20 TO 28 MPH DECREASING TO 15 TO 18
MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....EXCELLENT /66900 KNOT-FT/ AT IGNITION.
MAX...EXCELLENT /73600 KNOT-FT/.
TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........90 81 56 30 5 8 7
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0
TEMP............52 54 55 58 59 60 61
RH..............69 64 61 55 51 47 44
20 FT WIND DIR..NW NW NW NW NW NW NW
20 FT WIND SPD..13 13 12 11 9 8 6
20 FT WIND GUST.22 20 19 18 16 14 13
MIX HGT (KFT)...3.0 3.2 3.6 3.7 3.9 4.1 4.1
TRANSP WIND DIR.NW NW NW NW NW N N
TRANSP WIND SPD.25 22 20 18 17 17 15
SDSPL KT-FT/100067 60 61 60 59 62 53
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TEMPERATURE.........MIN 37.
RH..................MAX 82 PERCENT.
WIND (20 FT)........NORTHWEST WINDS AROUND 5 MPH EARLY IN THE
EVENING BECOMING LIGHT.
MIXING HEIGHT.......3800 FT AGL DECREASING TO 500 FT AGL.
TRANSPORT WINDS.....NORTH 6 TO 14 MPH SHIFTING TO THE EAST 6 TO 9
MPH OVERNIGHT.
SMOKE DISPERSAL.....GOOD (45300 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (2700 KNOT-FT) LATE IN THE
NIGHT.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........3 7 11 16 28 30
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CWR.............0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0
TEMP............59 55 48 44 42 39
RH..............45 51 65 73 79 82
20 FT WIND......NW 5 N 2 N 1 NE 1 NE 1 E 2
20 FT WIND GUST.11 7 5 5 5 5
MIX HGT (FT)....3800 700 700 600 500 500
TRANSPORT WIND..N 14 N 6 NE 7 E 6 E 6 E 8
SDSPL KT-FT/100045 3 4 3 3 4
WEDNESDAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). CHANCE OF RAIN
SHOWERS IN THE AFTERNOON.
CWR.................10 PERCENT INCREASING TO 40 PERCENT IN THE
AFTERNOON.
CHANCE OF THUNDER...6 PERCENT.
TEMPERATURE.........MAX 63.
RH..................MIN 52 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 8 MPH EARLY
IN THE MORNING.
MIXING HEIGHT.......2200 FT AGL INCREASING TO 3400 FT AGL LATE IN
THE MORNING.
TRANSPORT WINDS.....SOUTHEAST 9 TO 17 MPH.
SMOKE DISPERSAL.....POOR (4200 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (48000 KNOT-FT) IN THE
AFTERNOON.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........35 35 42 42 43 47 57 66 70 74 78 80
WEATHER COV..... CHC CHC CHC CHC CHC
WEATHER TYPE.... RW RW RW RW RW
TSTM COV........
CWR.............0 10 10 10 10 10 10 40 40 40 40 40
CHC OF THDR (%).0 0 0 0 0 0 0 10 10 10 0 0
TEMP............38 39 43 46 53 56 59 61 62 62 63 62
RH..............85 85 82 83 69 64 57 53 52 54 52 54
20 FT WIND DIR..E SE SE SE SE SE SE SE SE SE SE SE
20 FT WIND SPD..2 3 5 6 6 7 7 8 8 7 7 6
20 FT WIND GUST.7 9 11 13 14 14 14 14 14 14 14 14
MIX HGT (KFT)...0.5 0.5 1.0 1.4 2.2 2.9 3.1 3.4 3.3 3.1 2.9 2.4
TRANSP WIND DIR.SE SE SE S S S S S S S SE SE
TRANSP WIND SPD.9 10 13 15 15 17 17 16 16 16 16 16
SDSPL KT-FT/10004 5 11 19 29 43 47 48 46 43 41 34
FORECASTER...KS
REQUESTED BY...JOE FRIEDEN
TYPE OF REQUEST...PRESCRIBED
.TAG 2512190.0/ARX
.DELDT 04/29/25
.FORMATTERVERSION 2.0.0
.EMAIL JOE.FRIEDEN@DNR.IOWA.GOV
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