009
FNUS73 KLSX 241010
FWSLSX
SPOT FORECAST FOR BITTERN BASIN POOL 2...MISSOURI DEPT. CONSERVATION
NATIONAL WEATHER SERVICE SAINT LOUIS MO
510 AM CDT TUE MAR 24 2026
FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MARCH 24.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE
NATIONAL WEATHER SERVICE.
DISCUSSION
SLIGHTLY WARMER CONDITIONS ARE EXPECTED TODAY ALONG WITH PREDOMINANTLY
DRY CONDITIONS. AT IGNITION, RH WILL BE FALLING BELOW 60 PERCENT, REACHING
30 TO 35 PERCENT THIS AFTERNOON. HOWEVER, SOUTHEASTERLY TO SOUTHERLY WINDS
ARE ANTICIPATED TO BE TOO WEAK FOR ELEVATED FIRE DANGER. MIXING HEIGHTS
WILL ALSO BE RISING ABOVE 1250 FT AGL AROUND IGNITION TIME AS A LOW-LEVEL
TEMPERATURE INVERSION BREAKS HELPING TO IMPROVE SMOKE DISPERSAL ONLY TO
FAIRLEVELS GIVEN LIGHT WINDS. ANOTHER INVERSION WILL QUICKLY DEVELOP
AROUND SUNSET WITH RH ALSO RISING.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TEMPERATURE.........44 AT IGNITION...MAX 62.
RH..................53 PERCENT AT IGNITION...MIN 28 PERCENT.
EYE LEVEL WINDS.....WINDS SOUTHEAST AT 2 MPH. AN ADJUSTMENT FACTOR
OF 0.3 IS USED.
WIND (20 FT)........WINDS SOUTHEAST AT 5 TO 8 MPH.
MIXING HEIGHT.......1600 FT AGL AT IGNITION...OTHERWISE MAX 3300 FT
AGL.
TRANSPORT WINDS.....SOUTH 8 TO 17 MPH.
SMOKE DISPERSAL.....POOR /3830 M/S-M/ AT IGNITION. MAX...MARGINAL
/5840 M/S-M/.
TIME (CDT) 10 AM NOON 2 PM 4 PM 6 PM 8 PM
SKY (%).........50 51 45 48 64 78
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............44 52 59 61 61 55
RH..............53 41 33 30 32 41
20 FT WIND......SE 8 SE 8 S 8 SE 6 SE 5 SE 5
20 FT WIND GUST.13 13 12 12 10 10
EYE LEVEL WIND..SE 4 SE 4 S 4 SE 3 SE 2 SE 2
EYE LVL WND GST.6 6 6 6 5 5
MIX HGT (KFT)...1.6 2.1 2.6 3.2 2.0 0.6
TRANSPORT WIND..S 17 S 15 S 14 S 10 SE 8 SE 12
VRATE KT-FT/1K..24 28 32 29 14 6
VENTRATE CAT....POOR POOR POOR POOR POOR POOR
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) THEN BECOMING
PARTLY CLOUDY (45-55 PERCENT).
CWR.................1 PERCENT.
CHANCE OF THUNDER...3 PERCENT.
TEMPERATURE.........MIN 43.
RH..................MAX 73 PERCENT.
EYE LEVEL WINDS.....SOUTHEAST WINDS AROUND 2 MPH. AN ADJUSTMENT
FACTOR OF 0.3 USED.
WIND (20 FT)........SOUTHEAST WINDS AROUND 5 MPH.
MIXING HEIGHT.......MIN 500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 8 TO 14 MPH.
SMOKE DISPERSAL.....POOR (720 M/S-M).
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).
CWR.................1 PERCENT.
CHANCE OF THUNDER...4 PERCENT.
TEMPERATURE.........MAX 79.
RH..................MIN 40 PERCENT.
EYE LEVEL WINDS.....SOUTHEAST WINDS AROUND 2 MPH SHIFTING TO THE
SOUTH 3 MPH IN THE AFTERNOON. AN ADJUSTMENT
FACTOR OF 0.3 IS USED.
WIND (20 FT)........SOUTHEAST WINDS AROUND 5 MPH SHIFTING TO THE
SOUTH 9 TO 11 MPH IN THE AFTERNOON.
MIXING HEIGHT.......MAX 3800 FT AGL.
TRANSPORT WINDS.....SOUTH 9 TO 18 MPH INCREASING TO 20 TO 22 MPH
LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (630 M/S-M) EARLY IN THE MORNING
INCREASING TO GOOD MAX (11280 M/S-M) IN THE
AFTERNOON.
FORECASTER...PFAHLER
REQUESTED BY...NICK LEMASTER
TYPE OF REQUEST...PRESCRIBED
.TAG 2607415.0/LSX
.DELDT 03/24/26
.FORMATTERVERSION 2.0.0
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