114
FNUS73 KLSX 241015
FWSLSX
SPOT FORECAST FOR BREMSERR RX...FOREST SERVICE
NATIONAL WEATHER SERVICE SAINT LOUIS MO
515 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
20 TO 25 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 1500 FT AGL AROUND IGNITION TIME AS A LOW-LEVEL
TEMPERATURE INVERSION BREAKS HELPING TO IMPROVE SMOKE DISPERSAL ONLY TO
MARGINAL LEVELS GIVEN LIGHT WINDS. ANOTHER INVERSION WILL QUICKLY DEVELOP
AROUND SUNSET WITH RH ALSO RISING.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TEMPERATURE.........46 AT IGNITION...MAX 64.
RH..................56 PERCENT AT IGNITION...MIN 24 PERCENT.
EYE LEVEL WINDS.....WINDS SOUTHEAST 2 MPH. AN ADJUSMENT FACTOR OF 0.3
IS USED.
WIND (20 FT)........WINDS SOUTHEAST 5 TO 6 MPH.
MIXING HEIGHT.......1700 FT AGL AT IGNITION...OTHERWISE MAX 3600 FT
AGL.
TRANSPORT WINDS.....SOUTHEAST 9 TO 12 MPH.
SMOKE DISPERSAL.....POOR /2720 M/S-M/ AT IGNITION. MAX...MARGINAL
/4740 M/S-M/.
TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM
SKY (%).........23 39 38 39 40 49 60 57 65 70 77 78
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............46 50 54 57 61 63 64 64 62 59 55 52
RH..............56 46 40 34 28 25 24 25 28 34 40 44
20 FT WIND DIR..SE SE SE SE SE SE SE SE E E E E
20 FT WIND SPD..6 6 6 6 6 6 5 5 5 4 5 4
20 FT WIND GUST.9 10 10 10 10 10 10 9 8 8 8 7
EYE LVL WND DIR.SE SE SE SE SE SE SE SE E E E E
EYE LVL WND SPD.3 3 3 3 3 3 2 2 2 2 2 2
EYE LVL WND GST.4 5 5 5 5 5 5 4 4 4 4 3
MIX HGT (KFT)...1.7 1.9 2.0 2.5 3.0 3.4 3.6 3.6 3.0 0.9 0.7 0.4
TRANSP WIND DIR.SE SE SE SE S S S S SE E E E
TRANSP WIND SPD.12 10 12 10 9 10 9 9 8 8 8 9
VRATE KT-FT/1K..17 17 21 22 24 30 29 29 21 6 5 4
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
FORECASTER...PFAHLER
REQUESTED BY...ZACH BEERMAN
TYPE OF REQUEST...PRESCRIBED
.TAG 2607454.0/LSX
.DELDT 03/24/26
.FORMATTERVERSION 2.0.0
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