093
FNUS73 KLSX 031213
FWSLSX
SPOT FORECAST FOR OVERLOOK GLADE UNIT...MSP-DNR
NATIONAL WEATHER SERVICE SAINT LOUIS MO
613 AM CST FRI DEC 3 2021
FORECAST IS BASED ON IGNITION TIME OF 1000 CST ON DECEMBER 03.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE
NATIONAL WEATHER SERVICE.
DISCUSSION
SUSTAINED SURFACE WINDS OF AROUND 5-7 MPH OUT OF THE SOUTHWEST
ARE EXPECTED AT INGNITION THROUGH THE MID AFTERNOON. WINDS WILL
REMAIN LIGHT, BUT GRADUALLY SHIFT THROUGH THE LATE AFTERNOON TO OUT OF
THE NORTH BY 8PM. NO RAIN IS EXPECTED TODAY, AND MINIMUM RELATIVE
HUMIDITY OF AROUND 45 PERCENT IS FORECAST THIS AFTERNOON.
TONIGHT, WINDS WILL REMAIN LIGHT AND OUT OF THE NORTH AS RELATIVE
HUMIDITY INCREASES TO AROUND 90 PERCENT. TOMORROW, WINDS WILL
REMAIN LIGHT AND GRADUALLY SHIFT TO OUT OF THE EAST DURING THE
AFTERNOON BECOMING SOUTHEASTERLY IN THE EVENING. RELATIVE HUMIDITY
IS FORECAST TO DROP TO NEAR 40 PERCENT TOMORROW AFTERNOON. RAIN
IS NOT EXPECTED TOMORROW.
REST OF TODAY
SKY/WEATHER.........SUNNY (5-15 PERCENT).
POP.................0 PERCENT.
LAL.................NO TSTMS.
MAX TEMPERATURE.....60 AT IGNITION...MAX 70.
MIN HUMIDITY........60 PERCENT AT IGNITION...MIN 47 PERCENT.
20-FOOT WINDS.......WINDS SOUTHWEST AT 5 TO 7 MPH.
EYE LEVEL WINDS.....WINDS SOUTHWEST AT 5 MPH OR LESS.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
FIRE GROWTH AT IGNITION...MAX 4.
MIXING HEIGHT.......800 FT AGL AT IGNITION...OTHERWISE MAX 1800 FT
AGL.
TRANSPORT WINDS.....SOUTHWEST 7 TO 14 MPH.
SMOKE DISPERSAL.....POOR /1430 M/S-M/ AT IGNITION. MAX...POOR /2880
M/S-M/.
TIME (CST) 10 AM NOON 2 PM 4 PM 6 PM 8 PM
SKY (%).........0 2 5 22 34 48
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CWR.............0 0 0 0 0 0
LAL.............1 1 1 1 1 1
TEMP............60 66 69 66 60 56
RH..............60 52 49 52 69 80
20 FT WIND......SW 6 SW 6 SW 6 SW 5 SW 4 NW 3
20 FT WIND GUST.15 14 14 12 7 7
EYE LEVEL WIND..SW 3 SW 3 SW 3 SW 2 SW 2 NW 1
EYE LVL WND GST.7 6 6 6 3 3
MIX HGT (KFT)...0.8 1.4 1.8 1.0 0.4 0.5
TRANSPORT WIND..W 14 W 9 SW 10 SW 10 SW 8 S 10
HAINES INDEX....4 4 4 4 3 3
VRATE KT-FT/1K..9 11 16 9 3 5
VENTRATE CAT....POOR POOR POOR POOR POOR POOR
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING
MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING
MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
PARTLY CLOUDY (40-50 PERCENT).
POP.................10 PERCENT.
LAL.................NO TSTMS.
MIN TEMPERATURE.....MIN 42.
MAX HUMIDITY........MAX 89 PERCENT.
20-FOOT WINDS.......WINDS BECOMING NORTH 5 TO 11 MPH WITH
GUSTS TO AROUND 24 MPH IN THE LATE EVENING AND
OVERNIGHT.
EYE LEVEL WINDS.....WINDS BECOMING NORTH 5 MPH WITH
GUSTS TO AROUND 10 TO 15 MPH IN THE LATE EVENING AND
OVERNIGHT.
HAINES INDEX........3 TO 4 OR VERY LOW TO LOW POTENTIAL FOR LARGE
PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......MIN 400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 6 TO 10 MPH SHIFTING TO THE NORTH 10
TO 18 MPH IN THE LATE EVENING AND OVERNIGHT,
THEN INCREASING TO 20 TO 21 MPH EARLY IN THE
MORNING.
SMOKE DISPERSAL.....POOR (310 M/S-M).
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
POP.................0 PERCENT.
LAL.................NO TSTMS.
MAX TEMPERATURE.....MAX 53.
MIN HUMIDITY........MIN 44 PERCENT.
20-FOOT WINDS.......NORTHEAST WIND 7 TO 11 MPH. GUSTS UP TO 29 MPH
UNTIL EARLY AFTERNOON.
EYE LEVEL WINDS.....NORTHEAST WIND 5 MPH. GUSTS OF 10 TO 15 MPH
UNTIL EARLY AFTERNOON.
HAINES INDEX........4 TO 5 OR LOW TO MODERATE POTENTIAL FOR LARGE
PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......MAX 2700 FT AGL.
TRANSPORT WINDS.....NORTHEAST 21 TO 23 MPH DECREASING TO 12 TO 13
MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (2200 M/S-M) EARLY IN THE MORNING
INCREASING TO MARGINAL MAX (5000 M/S-M) IN THE
AFTERNOON.
FORECASTER...ELMORE
REQUESTED BY...HARLEE SCHERRER
TYPE OF REQUEST...PRESCRIBED
.TAG 2121890.1/LSX
.DELDT 12/03/21
.FORMATTERVERSION 2.0.0
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