380
FNUS73 KDMX 091342
FWSDMX
SPOT FORECAST FOR GLENWOOD UNIT 140TH AVENUE...U.S. ARMY CORPS OF ENGINEERS-RATHBUN LAKE
NATIONAL WEATHER SERVICE DES MOINES IA
742 AM CST MON FEB 9 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 CST ON FEBRUARY 09.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
AN INITIAL OBSERVATION AT IGNITION AND A MID BURN OBSERVATION ARE REQUIRED.
PLEASE RELAY THEM TO THE NATIONAL WEATHER SERVICE FOR EACH PRESCRIBED BURN.
DISCUSSION
THERE IS A STEEP INVERSION IN PLACE THIS MORNING THAT WILL MIX
OUT QUICKLY THROUGH THE MORNING. THIS AFTERNOON TEMPERATURES WARM
INTO THE LOW 60S WITH RELATIVE HUMIDITY BOTTOMING OUT NEAR 35-40%.
WIND WILL BE OUT OF THE SOUTH THIS MORNING, BECOMING BREEZY AND
SOUTHWESTERLY BY THIS AFTERNOON. AFTERNOON WIND GUSTS OF 20-25+
MPH ARE EXPECTED. WINDS SHIFT LATE OVERNIGHT TO OUT OF THE
NORTHWEST, REMAINING BREEZY THROUGH TUESDAY.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT).
MAX TEMPERATURE.....AROUND 60.
MIN HUMIDITY........42 PERCENT.
WIND (20 FT)........SOUTH WINDS 7 TO 15 MPH. GUSTS UP TO 26 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......1800 FT AGL.
TRANSPORT WINDS.....SOUTH 10 TO 18 MPH INCREASING TO 18 TO 24 MPH
IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (3300 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (38000 KNOT-FT) IN THE
AFTERNOON.
GFDI................5.
TIME (CST) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........50 62 53 49 43 40 37 30 26 26
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............29 34 39 45 49 53 57 60 60 59
RH..............85 75 70 58 54 50 47 42 44 45
20 FT WIND DIR..S S S S S S S S S S
20 FT WIND SPD..7 8 9 10 12 13 14 15 14 13
20 FT WIND GUST.13 15 16 18 21 23 25 26 26 24
MIX HGT (KFT)...0.4 0.4 0.7 1.1 1.3 1.4 1.6 1.8 1.4 1.1
TRANSP WIND DIR.S S S S S S S SW SW S
TRANSP WIND SPD.10 13 14 17 18 20 21 24 20 18
GFDI............1 2 2 3 4 6 7 9 9 7
SMOKE DISPERSAL.3 5 8 16 21 25 29 38 25 17
SMOKE CAT.......PR PR PR PR PR PR PR PR PR PR
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT).
MIN TEMPERATURE.....AROUND 35.
MAX HUMIDITY........82 PERCENT.
WIND (20 FT)........SOUTH WINDS 13 TO 14 MPH SHIFTING TO THE
NORTHWEST 14 TO 15 MPH OVERNIGHT.
MIXING HEIGHT.......800 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH SHIFTING TO THE NORTH 22
TO 23 MPH AFTER 3 AM.
SMOKE DISPERSAL.....FAIR (15500 KNOT-FT).
GFDI................5.
TIME (CST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........49 45 27 40 36 44 42 30 31 35 34 39
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............57 56 53 53 52 51 51 48 46 45 41 39
RH..............51 53 61 64 66 68 63 71 73 73 79 82
20 FT WIND DIR..S S S S SW SW SW W NW NW N N
20 FT WIND SPD..13 13 13 14 14 14 13 13 14 15 15 15
20 FT WIND GUST.23 22 21 22 23 24 24 22 23 24 24 24
MIX HGT (KFT)...0.9 1.0 1.1 1.1 1.0 0.9 0.8 0.8 1.0 1.0 1.0 1.1
TRANSP WIND DIR.S S SW SW SW SW SW W NW NW N N
TRANSP WIND SPD.20 21 23 24 25 24 23 22 22 22 23 22
GFDI............6 5 4 5 5 5 5 4 4 4 4 3
SMOKE DISPERSAL.16 18 21 23 23 20 16 16 19 18 20 21
SMOKE CAT.......PR PR PR PR PR PR PR PR PR PR PR PR
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT).
MAX TEMPERATURE.....AROUND 50.
MIN HUMIDITY........46 PERCENT.
WIND (20 FT)........NORTH WINDS 10 TO 15 MPH.
MIXING HEIGHT.......2600 FT AGL.
TRANSPORT WINDS.....NORTH 17 TO 24 MPH SHIFTING TO THE NORTHWEST
AROUND 14 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR (14400 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (46400 KNOT-FT) IN THE
AFTERNOON.
GFDI................5.
TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........50 64 56 55 50 43 52 53 45 34 26 22
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............37 36 37 38 40 42 45 46 48 49 48 46
RH..............85 89 85 79 76 67 58 53 47 46 47 49
20 FT WIND DIR..N N N N N N N N N N N N
20 FT WIND SPD..15 14 14 15 15 14 14 14 14 14 13 10
20 FT WIND GUST.24 23 23 23 23 23 22 22 22 21 18 16
MIX HGT (KFT)...1.2 1.3 1.5 1.6 1.8 2.1 2.3 2.4 2.5 2.6 1.9 1.2
TRANSP WIND DIR.N N N N N N N N N N NW NW
TRANSP WIND SPD.21 20 24 24 23 24 23 22 21 20 17 14
GFDI............3 3 3 3 4 4 4 5 6 5 4 3
SMOKE DISPERSAL.21 22 31 34 36 44 46 46 46 45 28 14
SMOKE CAT.......PR PR PR PR PR FR FR FR FR FR PR PR
FORECASTER...HAGENHOFF
REQUESTED BY...SCOTT FRIEDEN
TYPE OF REQUEST...PRESCRIBED
.TAG 2602133.0/DMX
.DELDT 02/09/26
.FORMATTERVERSION 2.0.0
.EMAIL SCOTT.A.FRIEDEN@USACE.ARMY.MIL
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