760
WWUS83 KLSX 201930
RFWLSX
URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
230 PM CDT THU MAR 20 2025
ILZ058-059-079-098>102-MOZ047>052-059>065-072>075-083>085-099-
210330-
/O.NEW.KLSX.FW.W.0007.250321T1700Z-250322T0000Z/
GREENE IL-MACOUPIN IL-RANDOLPH IL-CALHOUN IL-JERSEY IL-MADISON IL-
SAINT CLAIR IL-MONROE IL-MONITEAU MO-COLE MO-OSAGE MO-CALLAWAY MO-
MONTGOMERY MO-LINCOLN MO-GASCONADE MO-WARREN MO-SAINT CHARLES MO-
FRANKLIN MO-SAINT LOUIS MO-SAINT LOUIS CITY MO-JEFFERSON MO-
CRAWFORD MO-WASHINGTON MO-SAINT FRANCOIS MO-SAINTE GENEVIEVE MO-
DENT MO-IRON MO-MADISON MO-REYNOLDS MO-
230 PM CDT THU MAR 20 2025
...RED FLAG WARNING IN EFFECT FROM NOON TO 7 PM CDT FRIDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR PORTIONS OF CENTRAL,
SOUTHEASTERN, AND EAST-CENTRAL MISSOURI AS WELL AS SOUTHWESTERN
ILLINOIS...
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY, WHICH IS IN EFFECT
FROM NOON TO 7 PM CDT FRIDAY.
* AFFECTED AREA...IN ILLINOIS, FIRE WEATHER ZONES 058, 059, 079,
098, 099, 100, 101 AND 102. IN MISSOURI, FIRE WEATHER ZONES
047, 048, 049, 050, 051, 052, 059, 060, 061, 062, 063, 064,
065, 072, 073, 074, 075, 083, 084, 085 AND 099.
* TIMING...
* WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH.
* RELATIVE HUMIDITY...AS LOW AS 18 PERCENT.
* IMPACTS...THESE CONDITIONS ARE CONDUCIVE FOR THE RAPID SPREAD
AND GROWTH OF UNCONTROLLED WILDFIRES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW, OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS, LOW RELATIVE HUMIDITY, AND DRY FUELS CAN CONTRIBUTE
TO EXTREME FIRE BEHAVIOR.
PFAHLER
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