197
FNUS73 KARX 291534
FWSARX
SPOT FORECAST FOR COW BRANCH BURN...IOWA DNR
NATIONAL WEATHER SERVICE LA CROSSE WI
1034 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
THE LATEST OBSERVATION OUT OF MANCHESTER, IOWA AT 10:10 AM HAS A
TEMPERATURE OF 47 DEGREES, A RELATIVE HUMIDITY OF 75 PERCENT, AND
WINDS OUT OF THE NORTH/NORTHWEST AT 10 MPH GUSTING TO 20 MPH.
CLOUDS OVERHEAD WILL SCATTER OUT BY THE EARLY AFTERNOON WITH SUNNY
SKIES EXPECTED AFTERWARDS. RHS WILL FALL THIS AFTERNOON TO BETWEEN
45-50 PERCENT. NORTHWEST WINDS BETWEEN 10-20 MPH ARE EXPECTED TO
TAPER OFF THROUGH THE AFTERNOON, BECOMING MORE NORTHERLY LATE IN
THE DAY. DECENT TRANSPORT WINDS WILL ALLOW FOR EXCELLENT SMOKE
DISPERSAL WITH GOOD MIXING HEIGHTS TO AROUND 3000-3500 FT.
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT) THEN BECOMING
MOSTLY SUNNY (20-30 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TEMPERATURE.........50 AT IGNITION...MAX 60.
RH..................71 PERCENT AT IGNITION...MIN 46 PERCENT.
WIND (20 FT)........WINDS NORTHWEST AT 16 MPH AT
IGNITION...OTHERWISE NORTHWEST WINDS 9 TO 16
MPH.
MIXING HEIGHT.......2800 FT AGL AT IGNITION...OTHERWISE 3600 FT
AGL.
TRANSPORT WINDS.....NORTHWEST 16 TO 25 MPH.
SMOKE DISPERSAL.....EXCELLENT /61800 KNOT-FT/ AT IGNITION.
MAX...EXCELLENT /61800 KNOT-FT/.
TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........85 75 50 31 12 12 4
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............50 53 55 57 58 59 60
RH..............71 64 61 57 53 49 46
20 FT WIND DIR..NW NW NW NW NW NW NW
20 FT WIND SPD..16 15 12 12 11 9 9
20 FT WIND GUST.23 22 20 19 16 15 14
MIX HGT (KFT)...2.8 3.0 3.3 3.4 3.4 3.6 3.5
TRANSP WIND DIR.NW NW NW NW N N N
TRANSP WIND SPD.25 22 21 18 17 17 16
SDSPL KT-FT/100062 58 59 55 52 54 49
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TEMPERATURE.........MIN 38.
RH..................MAX 82 PERCENT.
WIND (20 FT)........NORTH WINDS 5 TO 6 MPH EARLY IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......1400 FT AGL DECREASING TO 300 FT AGL EARLY IN
THE EVENING.
TRANSPORT WINDS.....NORTH 6 TO 14 MPH SHIFTING TO THE EAST 9 TO 10
MPH AFTER 3 AM.
SMOKE DISPERSAL.....GOOD (39000 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (1600 KNOT-FT) LATE IN THE
NIGHT.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........4 11 16 24 35 40
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............58 54 48 44 42 40
RH..............45 52 65 73 79 82
20 FT WIND......N 6 N 4 N 2 NE 2 E 2 E 3
20 FT WIND GUST.12 8 6 5 6 7
MIX HGT (FT)....3300 400 400 300 300 300
TRANSPORT WIND..N 14 N 6 NE 7 E 6 E 9 E 10
SDSPL KT-FT/100039 2 3 2 2 3
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT) THEN BECOMING
MOSTLY CLOUDY (75-85 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS IN THE MORNING. CHANCE OF RAIN
SHOWERS IN THE AFTERNOON.
CWR.................0 PERCENT INCREASING TO 50 PERCENT.
CHANCE OF THUNDER...9 PERCENT.
TEMPERATURE.........MAX 64.
RH..................MIN 55 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 9 MPH.
MIXING HEIGHT.......2000 FT AGL INCREASING TO 3100 FT AGL LATE IN
THE MORNING.
TRANSPORT WINDS.....SOUTHEAST 12 TO 18 MPH.
SMOKE DISPERSAL.....POOR (2900 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (49500 KNOT-FT) IN THE
AFTERNOON.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........38 36 42 61 64 50 62 73 76 80 83 85
WEATHER COV..... SCH SCH SCH SCH SCH SCH CHC CHC CHC CHC CHC
WEATHER TYPE.... RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........
CWR.............0 20 20 20 20 20 20 50 50 50 50 50
CHC OF THDR (%).0 0 0 0 0 0 0 10 10 10 0 0
TEMP............38 40 44 47 53 55 58 60 60 61 61 60
RH..............89 85 82 76 66 64 60 55 55 56 56 58
20 FT WIND DIR..SE SE SE SE SE SE SE SE SE SE SE SE
20 FT WIND SPD..5 6 7 8 9 9 9 9 9 9 9 9
20 FT WIND GUST.11 12 14 14 15 16 16 16 16 16 15 14
MIX HGT (KFT)...0.3 0.3 0.8 1.3 2.0 2.5 2.8 3.1 3.0 2.9 2.8 2.2
TRANSP WIND DIR.SE SE SE SE S S S S S SE SE SE
TRANSP WIND SPD.12 12 13 18 17 18 18 18 18 17 17 17
SDSPL KT-FT/10003 3 8 20 30 40 45 50 48 43 42 33
FORECASTER...KB
REQUESTED BY...JOE FRIEDEN
TYPE OF REQUEST...PRESCRIBED
.TAG 2512178.0/ARX
.DELDT 04/29/25
.FORMATTERVERSION 2.0.0
.EMAIL JOE.FRIEDEN@DNR.IOWA.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page