Storm Prediction Center
Day 1 and Day 2 Fire Weather Outlooks
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 040839
STORM PREDICTION CENTER...NWS/NCEP...NORMAN OK
400 AM CDT WED SEP 04 2002
DAY 1 FIRE WEATHER OUTLOOK...REF AWIPS GRAPHIC PMWE98 KWNS
VALID 041200-051200
...CRITICAL FIRE WEATHER AREA FOR - NERN CA TO SWRN MT...
...SYNOPSIS...
UPPER LEVEL TROUGH OFF PACIFIC NORTHWEST COAST WILL DEEPEN
SOUTHWARD AS WEAK UPPER LEVEL SYSTEM OFF CENTRAL CALIFORNIA COAST
MOVES NORTHEASTWARD THROUGH CALIFORNIA..NORTHWEST NEVADA AND INTO
SOUTHERN IDAHO BY END OF PERIOD. ANOTHER WEAK UPPER LEVEL STORM
SYSTEM WILL MOVE ACROSS THE DAKOTAS BY 00 UTC.
...CRITICAL FIRE WEATHER AREA 1 - NERN CA/NWRN NV/SERN OR/SRN
ID/SWRN MT AND NW WY...
PRIMARY CONDITIONS: STRONG AND GUSTY SOUTHWEST WINDS 15 TO 30 MPH
WITH GUSTS TO OVER 40 MPH AND LOWEST AFTERNOON HUMIDITY FROM 5 TO
15 PERCENT. ISOLATED DRY THUNDERSTORMS.
UPPER LEVEL TROUGH WILL BUILD SLOWLY SOUTHWARD ALONG THE PACIFIC
COAST AS A WEAK COLD FRONT FROM NORTHWESTERN MONTANA THROUGH
SOUTHWEST OREGON MOVES LITTLE THROUGH 12 UTC. AHEAD OF THE
FRONT..STRONG SOUTHWEST WINDS AND EXTREMELY DRY LOW LEVELS WILL
CONTINUE DURING THE AFTERNOON. SOME MID-LEVEL MOISTURE AHEAD OF
AND COMBINED WITH THE WEAK UPPER LEVEL SYSTEM NOW MOVING
NORTHEASTWARD ACROSS THE CENTRAL CALIFORNIA COAST MAY BE SUFFICIENT
TO TRIGGER ISOLATED DRY THUNDERSTORMS ACROSS PORTIONS OF THIS
AREA..BUT OVERALL INSTABILITY FOR THUNDERSTORMS WILL BE LIMITED.
...BLACK HILLS OF SOUTH DAKOTA...
WIDELY SCATTERED THUNDERSTORMS ENDING BY EARLY AFTERNOON OVER THE
BLACK HILLS AREA WILL BE FOLLOWED BY HOT..DRY AND WINDY CONDITIONS
THE REMAINDER OF THE AFTERNOON AND FUELS ARE EXTREMELY DRY ACROSS
THIS AREA.
..BOTHWELL.. 09/04/02
SPC FIRE WEATHER OUTLOOKS ARE AVAILABLE AT WWW.SPC.NOAA.GOV/FIRE
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ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 040912
STORM PREDICTION CENTER...NWS/NCEP...NORMAN OK
500 AM CDT WED SEP 04 2002
DAY 2 FIRE WEATHER OUTLOOK...REF AWIPS GRAPHIC PMWI98 KWNS
VALID 051200-061200
...NO LARGE-SCALE SIGNIFICANT FIRE WEATHER CONDITIONS EXPECTED...
...SYNOPSIS...
UPPER LEVEL TROUGH OFF PACIFIC NORTHWEST WILL MOVE SLOWLY INTO THE
REGION AND ASSOCIATED SURFACE FRONT FROM NORTHWESTERN MONTANA INTO
EXTREME NORTHERN CALIFORNIA WILL MOVE SLOWLY SOUTHEASTWARD. LARGE
UPPER-LEVEL HIGH PRESSURE RIDGE WILL HOLD OVER A LARGE PART OF THE
CENTRAL AND EASTERN U.S.
...EXTRM NE CA/NW NV/SRN ID/NWRN WY/SWRN MT...
WINDS ARE NOT EXPECTED TO BE AS STRONG AS ON WEDNESDAY ACROSS THIS
AREA AND AS UPPER LEVEL TROUGH MOVES INTO THE NORTHWEST..EXPECT
INCREASED CLOUDS ALONG WITH A GRADUAL INCREASE IN THE HUMIDITY IN
THE LOWER LEVELS.
..BOTHWELL.. 09/04/02
SPC FIRE WEATHER OUTLOOKS ARE AVAILABLE AT WWW.SPC.NOAA.GOV/FIRE
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