644
FNUS74 KSHV 191246
FWSSHV
SPOT FORECAST FOR WINN 89...USFS
NATIONAL WEATHER SERVICE SHREVEPORT LA
646 AM CST SUN JAN 19 2025
FORECAST IS BASED ON IGNITION TIME OF 1000 CST ON JANUARY 19.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE AT OUR LOCAL OFFICE AT (318) 631-3669 EXT. 241, OR IF YOU
HAVE QUESTIONS OR CONCERNS WITH THIS FORECAST.
DISCUSSION
ARCTIC HIGH PRESSURE HAS ARRIVED AS CONTINUE TO DO SO WITH GUSTY
NW WINDS FOR MUCH OF TODAY. CLOUDS LINGER FOR A WHILE LONGER THIS
MORNING, BUT WILL CLEAR OUT RIGHT AROUND IGNITION TIME HELPING TO
BOOST DISPERSION UP AND OUT. LATER THIS AFTERNOON THE WINDS VEER
A LITTLE AND BACK OFF GUSTS, AND CONTINUING NE 5 TO 10 OVERNIGHT.
REST OF TODAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CWR.................0 PERCENT.
TEMPERATURE.........36 AT IGNITION...MAX 42.
RH..................54 PERCENT AT IGNITION...MIN 30 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WINDS NORTH AT 10 MPH AT IGNITION...OTHERWISE
NORTH WINDS 8 TO 12 MPH. GUSTS UP TO 25 MPH IN
THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT (M)...3300 METERS AGL AT IGNITION...OTHERWISE
1006-1494 METERS AGL.
TRANSPORT WINDS M/S.NORTH 8 TO 9 METERS/SECOND.
DISPERSION INDEX....74 INCREASING TO 80 EARLY IN THE AFTERNOON,
THEN DECREASING TO 56 LATE IN THE AFTERNOON
DECREASING TO 28 LATE IN THE AFTERNOON.
LVORI...............2.
TONIGHT
SKY/WEATHER.........CLEAR (0-10 PERCENT).
CWR.................0 PERCENT.
TEMPERATURE.........MIN 22.
RH..................MAX 53 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTH WINDS AROUND 5 MPH.
MIXING HEIGHT (M)...122-396 METERS AGL.
TRANSPORT WINDS M/S.NORTH 5 TO 6 METERS/SECOND.
DISPERSION INDEX....3 INCREASING TO 13 AFTER 3 AM.
LVORI...............2.
FORECASTER...CHATELAIN
REQUESTED BY...D. DILL
TYPE OF REQUEST...PRESCRIBED
.TAG 2500905.0/SHV
.DELDT 01/19/25
.FORMATTERVERSION 1.0.26
.EMAIL DUSTIN.DILL@USDA.GOV
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