Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 250836
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0336 AM CDT SUN OCT 25 2009
VALID 251200Z - 261200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
BROAD MID/UPPER-LEVEL TROUGH OVER MUCH OF THE CONUS WILL SHARPEN
ACROSS THE CNTRL STATES AS IMPULSES MOVING OVER THE ROCKIES AMPLIFY
THROUGH EARLY MON. UPSTREAM RIDGE AXIS OFF THE PACIFIC NW COAST WILL
SHIFT INLAND BECOMING CENTERED FROM THE NRN ROCKIES TO CNTRL CA. AT
THE SURFACE...AN ANTICYCLONE WILL QUICKLY TRACK SEWD FROM SRN
BRITISH COLUMBIA ACROSS THE NRN INTERMOUNTAIN WEST TO THE CNTRL
ROCKIES.
...SRN CA COASTAL AREA...
MID-LEVEL FLOW SHOULD GRADUALLY WEAKEN AS A BROAD TROUGH SHARPENS
ALONG AND E OF THE ROCKIES. HOWEVER...SURFACE HIGH PRESSURE WILL
BUILD INTO THE NRN INTERMOUNTAIN WEST/CNTRL ROCKIES AND LIKELY
INCREASE THE PRESSURE GRADIENT ACROSS SRN CA SUN EVENING INTO EARLY
MON. GUIDANCE DIFFERS WITH THE TIGHTNESS OF THE GRADIENT...LEADING
TO UNUSUALLY LARGE SPREAD AMONGST SREF MEMBERS AND BELOW-AVERAGE
CONFIDENCE OVERALL WITH THE STRENGTH OF OFFSHORE FLOW. CONSENSUS
WOULD SUGGEST PREDOMINATELY WEAK TO LOCALIZED MODERATE OFFSHORE FLOW
WILL RESULT IN POOR OVERNIGHT RH RECOVERY AFTER VALUES DROP TO
BETWEEN 8 AND 15 PERCENT THIS AFTERNOON. THIS SHOULD PRODUCE
MARGINAL TO LOCALIZED CRITICAL CONDITIONS IN FAVORED
CANYONS/PASSES...PRIMARILY FROM THE SAN GABRIEL MTNS SWD.
..GRAMS.. 10/25/2009
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 250906
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0406 AM CDT SUN OCT 25 2009
VALID 261200Z - 271200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
UPPER-LEVEL TROUGH OVER THE CNTRL CONUS WILL GRADUALLY PROGRESS
EWD...WHILE A BROAD UPSTREAM TROUGH DEVELOPS FROM THE CANADIAN
ROCKIES TO THE PACIFIC NW BY EARLY TUE. SURFACE ANTICYCLONE OVER THE
CNTRL ROCKIES WILL QUICKLY WEAKEN LATE MON MORNING.
...SRN CA COASTAL AREA...
WEAK TO LOCALLY MODERATE OFFSHORE FLOW SHOULD BE ONGOING AT 12Z
MON...BUT WILL DIMINISH AS THE SURFACE PRESSURE GRADIENT RELAXES
DURING THE MID/LATE MORNING. POOR OVERNIGHT RH RECOVERY WILL LEAD TO
A LONG DURATION OF LOW RH THROUGH THE AFTERNOON...BEFORE NEUTRAL TO
WEAK ONSHORE FLOW DEVELOPS. MUCH IMPROVED RH RECOVERY IS EXPECTED
MON NIGHT.
..GRAMS.. 10/25/2009
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...