Storm Prediction Center
Day 1 and Day 2 Fire Weather Outlooks
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 090854
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0354 AM CDT TUE SEP 09 2003
VALID 091200Z - 101200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
A DEEP UPPER TROUGH WILL BECOME ENTRENCHED IN THE WRN CONUS THROUGH
THE PERIOD...AS A STRONG UPPER LOW OFF THE ORE COAST AT THE START OF
THE PERIOD MOVES SEWD INTO THE GREAT BASIN BY 10/12Z...AND A LEAD
TROUGH MOVES NEWD FROM MT INTO SRN CANADA. SCT-NUMEROUS WET
THUNDERSTORMS WILL BE FOUND AHEAD OF THE MAIN UPPER SYSTEM ACROSS
MUCH OF THE ROCKIES/ADJACENT HIGH PLAINS. A SMALL AREA SOUTH OF THE
MAIN COLD FRONT AND NOT AFFECTED BY CONVECTION...WILL EXIST OVER
SERN CA/SRN NV AND FAR SWRN UT/NWRN AZ. HERE SFC WINDS/MIN RH
READINGS WILL APPROACH CRITICAL LEVELS. OTHERWISE...EXPECT MODERATE
WINDS/RH READINGS ACROSS THE REMAINDER OF THE WEST...WITH BELOW
NORMAL TEMPERATURES BEHIND A COLD FRONT...WHICH WILL EXTEND FROM THE
SRN SIERRA NV NEWD INTO THE NRN WY BY 10/00Z. STRONG SLY WINDS WILL
AGAIN BE FOUND OVER THE PLAINS STATES...BUT MODERATE RH READINGS/LOW
FIRE DANGERS WILL PRECLUDE ANY CRITICAL FIRE WEATHER THREAT.
....INTERIOR SRN/CENTRAL CA...SRN NV...FAR NWRN AZ/SWRN UT...
BELT OF STRONGEST MID LEVEL FLOW WILL MOVE THROUGH THE AREA DURING
THE DAY. STRONG SUSTAINED WINDS FROM 20 TO 30 MPH WITH GUSTS ABOVE
40 MPH ACROSS HIGHER ELEVATIONS WILL BE LIKELY..ESPECIALLY OVER
PORTIONS OF SERN CA/SWRN NV...WHERE MID LEVEL WIND MAX WILL PROGRESS
ACROSS THE AREA DURING PEAK MIXING TIME. SCT CONVECTION IS
ANTICIPATED TO DEVELOP OVER HIGHER ELEVATIONS OF NRN AZ/SRN UT. BUT
LOWER ELEVATIONS AREA LIKELY TO SEE ONLY MID/HIGH CLOUDS. THE
OVERALL AMOUNT OF UPSTREAM MID AND HIGH CLOUD COVER SEEN ON
SATELLITE IMAGERY EARLY THIS MORNING...WHICH WILL MOVE INTO THE AREA
DURING THE AFTERNOON...SHOULD MITIGATE AFTERNOON HIGH TEMPERATURES.
THUS MIN RH READINGS ARE ANTICIPATED TO REMAIN IN THE 15 TO 25
PERCENT RANGE...LIMITING ANY CRITICAL FIRE WEATHER THREAT.
...ERN MT/WRN ND...
BEHIND DEPARTING UPPER LOW AS IT MOVES INTO CANADA...WLY WINDS WILL
RANGE FROM 15 TO 20 MPH DURING THE AFTERNOON HOURS. MIN RH READINGS
AROUND 30 PERCENT AND RECENT RAINFALL WILL LIMIT ANY CRITICAL FIRE
WEATHER CONCERNS.
..CROSBIE.. 09/09/2003
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 090959
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0459 AM CDT TUE SEP 09 2003
VALID 101200Z - 111200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
UPPER LOW/TROUGH WILL REMAIN CENTERED OVER THE ROCKIES...WHILE WEAK
UPPER RIDGING BUILDS INTO THE PAC NW. SCT WET THUNDERSTORMS WILL
REMAIN LIKELY OVER MUCH OF ROCKIES AND PLAINS NEAR/AHEAD OF THE
TROUGH. AN ASSOCIATED SFC COLD FRONT WILL CONTINUE TO SLOWLY
PROGRESS SEWD AND EXTEND FROM SRN CA/NRN AZ ENEWD INTO WRN KS BY
11/12Z. NORTH OF THIS FRONT...BELOW NORMAL TEMPERATURES/MODERATE RH
READINGS WILL PRECLUDE ANY FIRE WEATHER CONCERNS. SOUTH OF THIS
BOUNDARY...SUSTAINED SWLY WINDS FROM 15 TO 25 MPH WILL BE POSSIBLE
OVER SRN AZ/NM AND FAR WRN TX. BUT RECENT PRECIPITATION AND MARGINAL
RH READINGS OVER THIS AREA WILL PRECLUDE ANY CRITICAL FIRE WEATHER
THREAT.
...INTERIOR NRN/CENTRAL CA...
SFC BOUNDARY IS FORECAST TO MAKE IT DOWN INTO SRN CA DURING THE
PERIOD. NELY/DOWNSLOPE WINDS WILL AID IN LOW DEWPOINTS/RH READINGS
SPREADING WWD OUT OF THE GREAT BASIN INTO MUCH OF CA DURING THE
PERIOD. THERMAL GRADIENT BETWEEN INTERIOR NV/COASTAL AREAS WILL BE
GREATEST AFTER 11/00Z. SUSTAINED WINDS FROM 10 TO 20 MPH WILL BE
POSSIBLE DURING THE AFTERNOON...WITH STRONGER WINDS FORECAST
OVERNIGHT...ESPECIALLY OVER NRN CA. PRECIPITATION DURING THE DAY ONE
PERIOD WILL LIKELY LIMIT THE THREAT FOR ANY CRITICAL FIRE WEATHER ON
DAY 2...DESPITE OTHER FAVORABLE PARAMETERS.
..CROSBIE.. 09/09/2003
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
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