217
FNUS73 KDMX 081249
FWSDMX
SPOT FORECAST FOR BIG WALL LAKE...IOWA DNR
NATIONAL WEATHER SERVICE DES MOINES IA
749 AM CDT THU MAY 8 2025
FORECAST IS BASED ON IGNITION TIME OF 0900 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 THE 20-25% RANGE 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 (0-5 PERCENT).
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........23 PERCENT.
WIND (20 FT)........EAST WINDS 10 TO 12 MPH.
MIXING HEIGHT.......4800 FT AGL.
TRANSPORT WINDS.....EAST 13 TO 18 MPH.
SMOKE DISPERSAL.....FAIR (21200 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (59200 KNOT-FT) IN THE
AFTERNOON.
GFDI................1.
TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........1 2 2 1 1 0 1 0 4
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............55 57 61 64 66 68 70 70 70
RH..............51 43 36 33 30 27 24 24 23
20 FT WIND DIR..E E E E E NE NE NE NE
20 FT WIND SPD..12 12 12 12 12 12 12 12 10
20 FT WIND GUST.14 14 14 14 14 14 16 16 15
MIX HGT (KFT)...1.6 1.7 2.2 3.1 3.7 4.2 4.5 4.6 4.8
TRANSP WIND DIR.E E E E E E E E E
TRANSP WIND SPD.15 15 16 17 18 16 15 14 13
GFDI............0 0 0 0 1 1 1 1 1
SMOKE DISPERSAL.21 22 31 47 59 59 59 55 53
SMOKE CAT.......PR PR PR FR FR FR FR FR FR
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
MIN TEMPERATURE.....AROUND 43.
MAX HUMIDITY........78 PERCENT.
WIND (20 FT)........EAST WINDS 6 TO 10 MPH SHIFTING TO THE
SOUTHEAST AROUND 6 MPH AFTER 3 AM.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....EAST 10 TO 12 MPH SHIFTING TO THE SOUTHEAST
AROUND 10 MPH AFTER 3 AM.
SMOKE DISPERSAL.....GOOD (50100 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (2800 KNOT-FT) LATE IN THE
NIGHT.
GFDI................1.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........6 4 5 4 5 4 11 12 11 10 9 11
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............70 68 64 58 56 53 51 49 48 46 45 45
RH..............23 25 31 44 51 57 63 68 68 76 78 78
20 FT WIND DIR..E E E E E E E E E SE SE SE
20 FT WIND SPD..10 10 9 8 7 6 6 6 6 6 6 6
20 FT WIND GUST.14 14 12 10 9 9 8 8 7 7 7
MIX HGT (KFT)...5.0 4.4 0.5 0.5 0.4 0.4 0.3 0.3 0.3 0.3 0.3 0.3
TRANSP WIND DIR.E E E E E E E E E SE SE S
TRANSP WIND SPD.12 12 10 12 12 12 10 10 10 10 10 10
GFDI............1 0 0 0 0 0 0 0 0 0 0 0
SMOKE DISPERSAL.50 44 5 5 4 4 3 3 3 3 3 3
SMOKE CAT.......FR FR PR PR PR PR PR PR PR PR PR PR
FRIDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 76.
MIN HUMIDITY........26 PERCENT.
WIND (20 FT)........SOUTH WINDS AROUND 5 MPH IN THE MORNING
BECOMING LIGHT.
MIXING HEIGHT.......4200 FT AGL.
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH SHIFTING TO THE WEST AROUND 3
MPH EARLY IN THE AFTERNOON, THEN SHIFTING TO
THE NORTH 3 TO 7 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (2000 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (21100 KNOT-FT) IN THE
AFTERNOON.
GFDI................0.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........12 12 9 9 2 1 2 3 2 1 0 2
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............44 45 49 53 59 63 67 70 72 73 75 75
RH..............74 72 67 57 44 38 34 30 28 28 26 26
20 FT WIND DIR..SE SE S S S S S S S S S S
20 FT WIND SPD..5 5 5 5 5 5 3 3 2 2 2 3
20 FT WIND GUST.6 6 6 6 6 6 6 6 6 6 6 6
MIX HGT (KFT)...0.3 0.3 0.8 1.3 1.9 2.4 2.8 3.2 3.5 3.9 4.2 3.8
TRANSP WIND DIR.S S S S SW SW W N N N N NW
TRANSP WIND SPD.10 8 7 6 6 5 3 3 3 5 6 7
GFDI............0 0 0 0 0 0 0 0 0 0 0 0
SMOKE DISPERSAL.3 2 5 6 10 10 9 10 12 16 21 21
SMOKE CAT.......PR PR PR PR PR PR PR PR PR PR PR PR
FORECASTER...05
REQUESTED BY...ROB PATTERSON
TYPE OF REQUEST...PRESCRIBED
.TAG 2513489.0/DMX
.DELDT 05/08/25
.FORMATTERVERSION 2.0.0
.EMAIL ROB4752@GMAIL.COM
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