591
FNUS73 KLSX 301432
FWSLSX
SPOT FORECAST FOR EAST SAVANNA DORMANT BURN...MISSOURI DEPARTMENT OF CONSERVATION
NATIONAL WEATHER SERVICE SAINT LOUIS MO
832 AM CST TUE DEC 30 2025
FORECAST IS BASED ON IGNITION TIME OF 0900 CST ON DECEMBER 30.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE
NATIONAL WEATHER SERVICE.
DISCUSSION
LIGHT WEST WINDS THIS MORNING WILL TURN TO THE WILL TURN TO THE SOUTHWEST
BY 200 TO 300 PM. THERE IS A STRONG TEMPERATURE INVERSION THIS MORNING, AND
THE MIXING HEIGHT IS UNLIKELY TO REACH 1600 FT UNTIL BETWEEN 1200 AND 100 PM.
LIGHT WINDS IN THE LOW LEVELS AND LOW MIXING HEIGHTS WILL RESULT IN POOR TO
MARGINAL SMOKE DISPERSAL.
REST OF TODAY
SKY/WEATHER.........SUNNY (15-25 PERCENT) THEN BECOMING PARTLY
SUNNY (55-65 PERCENT).
TEMPERATURE.........19 AT IGNITION...MAX 35.
RH..................74 PERCENT AT IGNITION...MIN 40 PERCENT.
EYE LEVEL WINDS.....LIGHT WEST WIND BECOMING SOUTHWEST THIS AFTERNOON.
WIND (20 FT)........WINDS WEST AT 4 MPH AT IGNITION...OTHERWISE
LIGHT WINDS BECOMING SOUTHWEST 5 TO 9 MPH IN THE
LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......1000 FT AGL AT IGNITION...OTHERWISE MAX 1900 FT
AGL.
TRANSPORT WINDS.....WEST 10 TO 17 MPH.
SMOKE DISPERSAL.....POOR /1600 M/S-M/ AT IGNITION. MAX...POOR /4520
M/S-M/.
TIME (CST) 9 AM 11 AM 1 PM 3 PM 5 PM 7 PM
SKY (%).........4 32 63 69 53 27
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
TEMP............19 25 31 34 33 32
RH..............74 55 45 40 43 47
20 FT WIND......W 4 W 7 W 8 W 9 SW 7 W 8
20 FT WIND GUST.8 12 14 16 15 15
EYE LEVEL WIND..W 2 W 3 W 4 W 4 SW 3 W 4
EYE LVL WND GST.4 6 6 7 7 7
MIX HGT (KFT)...1.1 1.6 1.8 1.9 1.0 0.7
TRANSPORT WIND..W 10 W 13 W 15 W 17 W 13 W 16
VRATE KT-FT/1K..10 18 24 29 11 10
VENTRATE CAT....POOR POOR POOR POOR POOR POOR
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).
TEMPERATURE.........MIN 25.
RH..................MAX 96 PERCENT.
EYE LEVEL WINDS.....SOUTHWEST WINDS AT 3 TO 5 MPH.
WIND (20 FT)........SOUTHWEST WINDS 6 TO 10 MPH WITH GUSTS TO AROUND 18
MPH.
MIXING HEIGHT.......MIN 500 FT AGL.
TRANSPORT WINDS.....WEST 14 TO 18 MPH SHIFTING TO THE NORTHWEST 13
TO 14 MPH AFTER 3 AM.
SMOKE DISPERSAL.....POOR (900 M/S-M).
WEDNESDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).
TEMPERATURE.........MAX 43.
RH..................MIN 65 PERCENT.
EYE LEVEL WINDS.....LIGHT WEST WIND.
WIND (20 FT)........WEST WINDS 5 TO 8 MPH BECOMING LIGHT.
MIXING HEIGHT.......MAX 2700 FT AGL.
TRANSPORT WINDS.....WEST 12 TO 20 MPH.
SMOKE DISPERSAL.....POOR (860 M/S-M) EARLY IN THE MORNING
INCREASING TO FAIR MAX (6720 M/S-M) IN THE
AFTERNOON.
FORECASTER...CARNEY
REQUESTED BY...KATELYN SIEDHOFF
TYPE OF REQUEST...PRESCRIBED
.TAG 2528144.0/LSX
.DELDT 12/30/25
.FORMATTERVERSION 2.0.0
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