Storm Prediction Center
Day 1 and Day 2 Fire Weather Outlooks
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FNUS21 KWNS 180944
STORM PREDICTION CENTER...NWS/NCEP...NORMAN OK
400 AM CDT TUE JUN 18 2002
DAY 1 FIRE WEATHER OUTLOOK...REF AWIPS GRAPHIC PMWE98 KWNS
VALID 181200-191200
...CRITICAL FIRE WEATHER AREA FOR - (EXTREME NE UTAH/SWRN WY/CNTRL
WY/NW CO)...
...SYNOPSIS...
EARLY MORNING WATER VAPOR IMAGERY SHOWS THE UPPER TROUGH MOVING
THROUGH WA/OR AT 18/1030Z WITH THE CENTER OF THE UPPER LOW STILL
OFFSHORE. THE ASSOCIATED 90-110 KT JET CORE WILL MOVE AROUND THE
BASE OF THE TROUGH THROUGH 19/1200Z...WITH GUSTY SFC WINDS EXPECTED
ACROSS MUCH OF THE GREAT BASIN. PACIFIC COLD FRONT WILL MAKE ITS
WAY EASTWARD AND WILL EXTEND FROM NE UT TO ERN WY TO CNTRL ND BY
19/0000Z. SHOWERS ARE FORECAST ACROSS MUCH OF THE PACIFIC
NORTHWEST...WITH COOLER CONDITIONS BEHIND THE FRONT. IN THE
EAST...ELONGATED UPPER TROUGH LOCATED NEAR THE OH RIVER VALLEY WILL
MOVE LITTLE THROUGH THE PERIOD. A STATIONARY BOUNDARY WILL PERSIST
NEAR THE COASTAL AREAS OF THE SOUTHEAST. A STRONG LOW LEVEL JET
WILL INCREASE SFC WINDS IN THE CNTRL PLAINS WITH SHOWERS AND TSTMS
EXPECTED TO DEVELOP BY 19/0000Z.
...CRITICAL FIRE WEATHER AREA 1 - (EXTREME NE UTAH/SWRN WY/CNTRL
WY/NW CO)...
PRIMARY CONDITIONS: / SUSTAINED SFC WINDS 20-30 MPH / MINIMUM RH
VALUES 5-15 PERCENT / MODERATE TO EXTREME LONG TERM DROUGHT...
SFC WINDS WILL INCREASE SIGNIFICANTLY IN RESPONSE TO AN APPROACHING
COLD FRONT TUESDAY AFTERNOON. TEMPERATURES AHEAD OF THE FRONT WILL
CLIMB INTO THE MID 80S/90S...WITH MINIMUM RH VALUES NEAR 5 PERCENT.
THE MAIN COMPONENT WHICH WILL WORSEN FIRE WEATHER CONDITIONS WILL
BE THE STRONG W/SW WINDS. GUSTS TO 30-35 MPH ARE EXPECTED. IN
ADDITION...HIGH HAINES INDEX VALUES WILL FAVOR LARGE PLUME
DOMINATED FIRES. FIRE WEATHER CONDITIONS WILL STILL BE POOR ACROSS
ERN AND SRN PORTIONS OF CO...AS RH VALUES WILL RANGE FROM 5-10
PERCENT AND TEMPERATURES WILL CLIMB INTO THE 90S. WINDS MAY BE A
BIT MARGINAL FOR A CRITICAL FIRE WEATHER AREA...THOUGH SUSTAINED
10-20 MPH WINDS WILL BE COMMON. HIGHER GUSTS TO 25-35 MPH ARE
POSSIBLE...AND THE THREAT FOR PLUME DOMINATED FIRES REMAINS HIGH.
...SRN CA...
NUMEROUS FIRES CONTINUE ACROSS THE AREA AND WITH STRONG ONSHORE
FLOW EXPECTED...FIRE WEATHER CONDITIONS WILL WORSEN BY AFTERNOON.
THE RH VALUES WILL VARY GREATLY FROM COASTAL REGIONS TO INLAND
LOCATIONS...BUT IN SOME OF THE DESERT AND VALLEY AREAS...RH VALUES
WILL FALL TO 10-20 PERCENT. W/SW SFC WINDS IN THESE AREAS WILL
RANGE FROM 15-25 MPH. RH VALUES WILL BE HIGHER ACROSS MUCH OF THE
AREA...SO AN OUTLOOK AREA WILL NOT BE ISSUED.
...NM/AZ...
NOT MUCH CHANGE EXPECTED IN THIS REGION...WITH SUSTAINED W/SW SFC
WINDS 10-20 MPH AND HIGHER GUSTS TO 25-30 MPH EXPECTED. WINDS ON
MONDAY WERE GENERALLY IN THE 10-15 MPH RANGE WITH GUSTS TO 25 MPH.
NUMEROUS FIRES CONTINUE ACROSS NM...AND THERE WILL BE FAVORABLE
BURNING CONDITIONS AGAIN TODAY. RH VALUES WILL RANGE FROM THE
SINGLE DIGITS TO AROUND 15 PERCENT WITH TEMPERATURES IN THE
80S/90S. OBSERVED FIRE DANGER CLASS VALUES FROM MONDAY WERE IN THE
EXTREME CATEGORY. HOWEVER...SFC WINDS ARE NOT EXPECTED TO BE STRONG
ENOUGH OVER A WIDESPREAD AREA. THEREFORE A CRITICAL FIRE WEATHER
AREA WILL NOT BE ISSUED FOR TODAY.
..TAYLOR.. 06/18/02
SPC FIRE WEATHER OUTLOOKS ARE AVAILABLE AT WWW.SPC.NOAA.GOV/FIRE
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FNUS22 KWNS 181027
STORM PREDICTION CENTER...NWS/NCEP...NORMAN OK
500 AM CDT TUE JUN 18 2002
DAY 2 FIRE WEATHER OUTLOOK...REF AWIPS GRAPHIC PMWI98 KWNS
VALID 191200-201200
...CRITICAL FIRE WEATHER AREA FOR - (ERN CO/EXTREME WRN KS/NERN
NM/WRN PORTIONS OF THE OK/TX PANHANDLE)...
...SYNOPSIS...
PACIFIC UPPER TROUGH WILL BE LOCATED FROM MT TO NV AT THE START OF
THE PERIOD...WITH ERN TROUGH EXTENDING ALONG THE NERN U.S. COAST TO
THE LOWER MS VALLEY. HIGH PRESSURE RIDGE MOVES INTO OH VALLEY BY
20/1200Z...WITH GENERALLY WEAK E/SE FLOW. AT THE SFC...FRONTAL
BOUNDARY WILL BE LOCATED FROM NE MN TO A SFC LOW IN ERN CO BY
20/0000Z. STRONG SOUTHERLY FLOW WILL BE PRESENT ON WEDNESDAY ACROSS
THE CENTRAL AND SOUTHERN PLAINS...AND A SFC DRYLINE WILL BE LOCATED
ACROSS ERN CO/ERN NM WEDNESDAY AFTERNOON.
...CRITICAL FIRE WEATHER AREA 1 - (ERN CO/EXTREME WRN KS/NERN
NM/WRN PORTIONS OF THE OK/TX PANHANDLE)...
PRIMARY CONDITIONS: / SUSTAINED SFC WINDS 20-30 MPH WITH GUSTS TO
35 MPH / MINIMUM RH VALUES 10-20 PERCENT / TEMPERATURES IN THE
80S/90S / MODERATE TO EXTREME LONG TERM DROUGHT
THE PRIMARY FIRE WEATHER CONCERN WILL BE STRONG SFC WINDS WHICH
WILL DEVELOP AHEAD OF A LEE SIDE LOW IN ERN CO. RH VALUES WILL
RANGE FROM 10-20 PERCENT IN THE OUTLOOK AREA...WITH THE LOWEST
VALUES OVER ERN NM AND SERN CO. NUMEROUS FIRES CONTINUE ACROSS
CO/NM AND THE COMBINATION OF STRONG WIND AND LOW RH WILL FURTHER
WORSEN FIRE WEATHER CONDITIONS. FOR THE REST OF KS/OK...RH VALUES
WILL REMAIN TOO HIGH / 30 TO 50 PERCENT / TO BE INCLUDED IN THE
OUTLOOK DESPITE THE STRONG WINDS. NO SIGNIFICANT RAIN IS EXPECTED
THROUGH THE PERIOD...AND THE BEST CHANCE FOR ANY RAIN IS IN FAR NE
CO LATE WEDNESDAY NIGHT/THURSDAY MORNING.
..TAYLOR.. 06/18/02
SPC FIRE WEATHER OUTLOOKS ARE AVAILABLE AT WWW.SPC.NOAA.GOV/FIRE
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