020
FNUS73 KLSX 241222
FWSLSX
SPOT FORECAST FOR MARK TWAIN LAKE...U.S. ARMY CORPS OF ENGINEERS
NATIONAL WEATHER SERVICE SAINT LOUIS MO
722 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 AROUND
55 PERCENT, REACHING AROUND 30 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 1700
FT AGL BY 1100 AM AS A LOW-LEVEL TEMPERATURE INVERSION
BREAKS WITH HEIGHTS APPROACHING 3800 FT AGL THIS AFTERNOON, BUT GIVEN
LIGHT WINDS SMOKE DISPERSAL WILL ONLY IMPROVE TO MARGINAL LEVELS. ANOTHER
INVERSION WILL QUICKLY DEVELOP AROUND SUNSET WITH RH ALSO RISING.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT).
CWR.................1 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TEMPERATURE.........44 AT IGNITION...MAX 61.
RH..................55 PERCENT AT IGNITION...MIN 32 PERCENT.
EYE LEVEL WINDS.....WINDS AROUND 4 MPH USING AN ADJUSTMENT FACTOR OF 0.4
WIND (20 FT)........WINDS SOUTHEAST AT 10 MPH AT
IGNITION...OTHERWISE SOUTHEAST WINDS 5 TO 10
MPH.
MIXING HEIGHT.......1400 FT AGL AT IGNITION...OTHERWISE MAX 3800 FT
AGL.
TRANSPORT WINDS.....SOUTH 8 TO 17 MPH.
SMOKE DISPERSAL.....POOR /3220 M/S-M/ AT IGNITION. MAX...MARGINAL
/5670 M/S-M/.
TIME (CDT) 10 AM NOON 2 PM 4 PM 6 PM 8 PM
SKY (%).........48 55 61 71 71 77
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 53 58 61 61 56
RH..............55 41 34 32 33 42
20 FT WIND......SE 10 S 8 S 7 S 6 SE 5 SE 6
20 FT WIND GUST.15 15 13 12 10 11
EYE LEVEL WIND..SE 5 S 4 S 3 S 3 SE 2 SE 3
EYE LVL WND GST.7 7 6 6 5 5
MIX HGT (KFT)...1.4 2.2 3.0 3.5 2.0 0.5
TRANSPORT WIND..S 17 S 15 S 14 S 10 SE 7 SE 15
VRATE KT-FT/1K..21 28 36 32 12 7
VENTRATE CAT....POOR POOR POOR POOR POOR POOR
FORECASTER...BRITT
REQUESTED BY...AARON ECKELKAMP
TYPE OF REQUEST...PRESCRIBED
.TAG 2607503.0/LSX
.DELDT 03/24/26
.FORMATTERVERSION 2.0.0
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