Storm Prediction Center
Day 1 and Day 2 Fire Weather Outlooks
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 220807
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0307 AM CDT WED OCT 22 2003
VALID 221200Z - 231200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
THERE WILL BE ONE MORE DAY OF ABOVE NORMAL/RECORD HIGH TEMPERATURES
FOR SOME LOCATIONS IN THE NORTHWEST/NRN ROCKIES TODAY...BEFORE A
DEVELOPING STORM SYSTEM IN THE PACIFIC BRINGS A COOLER AIRMASS INTO
THE AREA. LARGE SCALE RIDGE WILL PROGRESS EWD TODAY... WHILE SFC
FRONT MOVES THROUGH PACIFIC NORTHWEST/GREAT BASIN THIS AFTERNOON.
THE INFLUENCE OF THE UPPER RIDGE WILL RESULT IN SYNOPTIC SCALE WINDS
MAINLY IN THE 10-20 MPH RANGE ACROSS THE WEST. FARTHER
EAST...ANOTHER SFC COLD FRONT WILL PROGRESS SWD ACROSS THE
DAKOTAS/MN. SUSTAINED SFC WINDS ACROSS THE NRN PLAINS/UPPER MIDWEST
WILL RANGE FROM 15-25 MPH. HOWEVER...MAX TEMPERATURES IN THE 60S/70S
AND MINIMUM RH VALUES ABOVE 30 PERCENT WILL DECREASE ANY FIRE
WEATHER THREAT.
..TAYLOR.. 10/22/2003
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 220929
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0429 AM CDT WED OCT 22 2003
VALID 231200Z - 241200Z
...CRITICAL FIRE WEATHER AREA FOR MT/NWRN SD/NERN WY...
...CRITICAL FIRE WEATHER AREA FOR INTERIOR NRN CA...
...SYNOPSIS...
A STRONG SHORTWAVE TROUGH WILL MOVE ACROSS THE NRN ROCKIES ON
THURSDAY...BRINGING VERY WINDY CONDITIONS TO PORTIONS OF THE PACIFIC
NORTHWEST/ID/MT AND THE NRN HIGH PLAINS. THE SHORTWAVE WILL BE
LOCATED ACROSS CNTRL MT BY THURSDAY EVENING...WITH MID LEVEL FLOW
INCREASING FROM AROUND 30 KTS THURSDAY MORNING...TO NEARLY 60 KTS BY
EVENING. A COLD FRONT WILL MOVE EWD ACROSS MT DURING THE DAY
THURSDAY...AND WILL EXTEND FROM NERN MT TO CNTRL WY/NWRN UT BY
24/00Z. AHEAD OF THE FRONT GUSTY W/SWLY SFC WINDS OF 20-40 MPH ARE
EXPECTED. IN ADDITION...STRONG SFC WINDS WILL DEVELOP ACROSS
INTERIOR NRN CA BY THURSDAY AFTN/EVENING IN RESPONSE TO THE
INCREASING PRESSURE GRADIENT. BOTH FIRE WEATHER AREAS OF CONCERN
WILL BE INCLUDED IN A CRITICAL OUTLOOK AREA FOR THURSDAY.
...CRITICAL FIRE WEATHER AREA 1 - MT/WRN SD/NRN WY...
PRIMARY CONDITIONS: SUSTAINED SFC WINDS OF 20-40 MPH WITH HIGHER
GUSTS/ABOVE NORMAL HIGH TEMPERATURES IN THE 70S/ MINIMUM RH VALUES
BELOW 20 PERCENT / CRITICALLY DRY FUELS
ALTHOUGH TEMPERATURES WILL BE 10-20 DEGREES COOLER ON THURSDAY THAN
IN PREVIOUS DAYS...THEY WILL BE STILL BE ABOVE NORMAL. WLY WINDS
WILL INCREASE TO AT LEAST 20 MPH BY EARLY AFTERNOON...WITH STRONGER
WINDS DEVELOPING DURING THE DAY. MINIMUM RH VALUES WILL RANGE FROM
15-20 PERCENT...WITH RECENT OBSERVED FIRE DANGER CLASS VALUES IN THE
HIGH TO EXTREME RANGE AND 100 HR FUEL MOISTURE VALUES BELOW 10
PERCENT. SHORT RANGE ENSEMBLE FORECAST GUIDANCE SUGGESTS MAXIMUM
FOSBERG VALUES WILL BE AROUND 80...WITH WIDESPREAD VALUES ABOVE 50
FOR A NUMBER OF HOURS DURING PEAK HEATING. WINDY CONDITIONS WILL
SUBSIDE BY LATE EVENING...WITH MUCH COOLER TEMPERATURES BEHIND THE
FRONT.
...CRITICAL FIRE WEATHER AREA 2 - INTERIOR NRN CA...
PRIMARY CONDITIONS: SUSTAINED N/NWLY SFC WINDS AROUND 20 MPH / MAX
TEMPS IN THE 80S/90S/ MINIMUM RH VALUES BELOW 15 PERCENT
AS A THERMAL TROUGH DEVELOPS ACROSS INTERIOR CA DURING THE DAY ON
THURSDAY...A BUILDING RIDGE OF HIGH PRESSURE WILL INCREASE THE
PRESSURE GRADIENT RESULTING IN STRONG WINDS. SUSTAINED WINDS WILL
INCREASE INTO THE 15-25 MPH RANGE...WITH OCCASIONAL HIGHER GUSTS.
TEMPERATURES WILL BE VERY WARM WITH LOW RH VALUES...RANGING FROM
10-15 PERCENT. STRONG WINDS WILL PERSIST INTO THE EVENING
HOURS...AND INTO FRIDAY.
..TAYLOR.. 10/22/2003
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
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