344
FNUS73 KDMX 081258
FWSDMX
SPOT FORECAST FOR IOWA LAKE MARSH WPA...USFWS
NATIONAL WEATHER SERVICE DES MOINES IA
758 AM CDT THU MAY 8 2025
FORECAST IS BASED ON IGNITION TIME OF 0800 CDT ON MAY 08.
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
DRY CONDITIONS EXPECTED AGAIN TODAY WITH MINIMUM RELATIVE HUMIDITY
VALUES FALLING TO NEAR 25% BY THIS AFTERNOON. WINDS WILL BE OUT
OF THE EAST TO NORTHEAST WITH SPEEDS BETWEEN 10 TO 15 MPH.
REST OF TODAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 72.
MIN HUMIDITY........25 PERCENT.
WIND (20 FT)........EAST WINDS 9 TO 10 MPH.
MIXING HEIGHT.......5400 FT AGL.
TRANSPORT WINDS.....EAST 10 TO 15 MPH.
SMOKE DISPERSAL.....FAIR (14700 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (57200 KNOT-FT) IN THE
AFTERNOON.
GFDI................1.
TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........3 1 1 1 2 2 2 1 6 6
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............53 55 58 61 65 67 69 71 71 72
RH..............59 53 44 39 34 32 30 27 27 25
20 FT WIND DIR..E E E E E E E E E E
20 FT WIND SPD..10 10 9 9 9 9 10 10 10 10
20 FT WIND GUST.13 13 10 10 10 10 12 16 15 15
MIX HGT (KFT)...1.3 1.3 1.9 2.2 3.5 4.2 4.8 5.2 5.3 5.4
TRANSP WIND DIR.E E E E E E E E E E
TRANSP WIND SPD.15 13 12 12 14 13 13 13 10 10
GFDI............0 0 0 0 1 1 1 1 1 1
SMOKE DISPERSAL.16 15 19 22 42 47 53 57 47 49
SMOKE CAT.......PR PR PR PR FR FR FR FR FR FR
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT).
MIN TEMPERATURE.....AROUND 45.
MAX HUMIDITY........72 PERCENT.
WIND (20 FT)........EAST WINDS 6 TO 9 MPH SHIFTING TO THE SOUTH
AROUND 6 MPH EARLY IN THE MORNING.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....EAST 8 TO 12 MPH SHIFTING TO THE SOUTH 12 TO 13
MPH OVERNIGHT.
SMOKE DISPERSAL.....GOOD (42200 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (3500 KNOT-FT) LATE IN THE
NIGHT.
GFDI................1.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........3 4 10 7 9 6 3 8 8 7 7 3
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............71 70 66 61 57 55 52 51 49 47 47 47
RH..............26 25 30 38 45 49 56 61 66 70 72 69
20 FT WIND DIR..E E E E E E SE SE S S S S
20 FT WIND SPD..9 9 8 7 7 6 6 6 6 6 6 6
20 FT WIND GUST.14 14 12 12 12 12 12 12 12 10 10 10
MIX HGT (KFT)...5.3 4.8 0.6 0.6 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.E E E E E SE SE SE S S S S
TRANSP WIND SPD.9 9 8 9 10 12 12 12 13 12 12 12
GFDI............1 1 0 0 0 0 0 0 0 0 0 0
SMOKE DISPERSAL.42 39 4 5 4 4 4 4 5 4 4 4
SMOKE CAT.......FR PR PR PR PR PR PR PR PR PR PR PR
FRIDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 83.
MIN HUMIDITY........25 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 6 TO 8 MPH.
MIXING HEIGHT.......6500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 8 TO 13 MPH SHIFTING TO THE WEST 8 TO
9 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (3700 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (51900 KNOT-FT) IN THE
AFTERNOON.
GFDI................1.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........2 2 1 1 0 1 2 2 3 4 5 14
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............45 47 52 57 64 68 73 78 79 81 83 82
RH..............69 67 62 55 44 40 35 30 29 26 25 25
20 FT WIND DIR..S S S S SW SW SW SW SW SW SW SW
20 FT WIND SPD..6 7 7 8 8 8 7 6 6 6 6 6
20 FT WIND GUST.12 13 13 13 13 12 12 10 10 12 12 12
MIX HGT (KFT)...0.4 0.4 0.8 1.3 1.9 2.5 3.3 4.1 4.9 5.7 6.5 5.4
TRANSP WIND DIR.S S S S SW SW W W W W W W
TRANSP WIND SPD.12 12 13 13 9 8 8 8 8 9 9 9
GFDI............0 0 0 0 0 0 0 0 0 1 1 1
SMOKE DISPERSAL.4 4 9 14 15 18 22 29 35 43 52 46
SMOKE CAT.......PR PR PR PR PR PR PR PR PR FR FR FR
FORECASTER...05
REQUESTED BY...RYAN HARR
TYPE OF REQUEST...PRESCRIBED
.TAG 2513485.0/DMX
.DELDT 05/08/25
.FORMATTERVERSION 2.0.0
.EMAIL RYAN_HARR@FWS.GOV
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