Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 040754
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0154 AM CST FRI DEC 04 2009
VALID 041200Z - 051200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
SRN HALF OF AMPLIFIED POSITIVE TILT UPPER TROUGH OVER THE CNTRL U.S.
WILL QUICKLY PIVOT EWD ACROSS THE SRN HIGH PLAINS TO THE DEEP SOUTH
AS A VIGOROUS UPSTREAM SHORTWAVE TROUGH MOVES INTO THE PACIFIC NW
FROM BRITISH COLUMBIA. EARLY MORNING SURFACE ANALYSIS PLACES THE
CENTROID OF HIGH PRESSURE INVOF WRN WY WITH A WEAK INVERTED PRESSURE
TROUGH NWWD ALONG PORTIONS OF THE CA COAST. THIS WILL SUPPORT SOME
GUSTY OFFSHORE WINDS OVER PARTS OF COASTAL SRN CA MAINLY IN THE
MORNING HOURS BEFORE SUBSIDING THEREAFTER.
...SRN CA COASTAL RANGES FROM THE SAN BERNARDINO MTNS SWD...
HIGH MODEL VARIABILITY STILL EXISTS WITH REGARD TO THE STRENGTH OF
THE OFFSHORE WINDS THIS MORNING OVER THE REGION. GUSTY ENELY/S WILL
PROBABLY DEVELOP OR BE ONGOING IN FAVORED TERRAIN AREAS AT THE START
OF THE D1 PERIOD--WITH 06Z/04 RUC FORECAST SOUNDINGS FAVORING THIS
SCENARIO. THIS WILL TEMPORARILY ELEVATE THE FIRE WEATHER THREAT
ACROSS THE REGION. WITH THAT SAID...LIMITING FACTORS INCLUDE 1)
RELATIVELY COOL TEMPS IN THE 40S/50S DURING THE PERIOD OF STRONGEST
WINDS PRIOR TO 17Z 2) CRITICALLY LOW RH DEVELOPING NEAR THE END OF
THE STRONGEST WINDS /15Z AND LATER/. LITTLE OVERLAP OF EXPECTED
CONDITIONS /LOW RH AND STRONG WINDS/ PRECLUDE A MORE ROBUST FIRE
WEATHER SCENARIO AND A CRITICAL ISSUANCE.
..SMITH.. 12/04/2009
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 040815
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0215 AM CST FRI DEC 04 2009
VALID 051200Z - 061200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
AN UPPER TROUGH OVER THE ERN STATES WILL MOVE OFF THE ATLANTIC
SEABOARD AS A LARGE SCALE TROUGH DEVELOPS OVER THE WRN CONUS.
SURFACE HIGH PRESSURE WILL DOMINATE CONDITIONS OVER MUCH OF THE E
WHILE LOW PRESSURE DEVELOPS IN THE DESERT SW IN RESPONSE TO THE WRN
UPPER TROUGH. FIRE WEATHER CONCERNS WILL LIKELY BE MINIMAL
CONUS-WIDE ON SATURDAY.
..SMITH.. 12/04/2009
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...