Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 030854
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0254 AM CST MON DEC 03 2007
VALID 031200Z - 041200Z
...CRITICAL FIRE WEATHER AREA FOR CNTRL/ERN SC AND PORTIONS OF
E-CNTRL/SERN GA...
...SYNOPSIS...
AN UPPER-LEVEL TROUGH OVER THE GREAT LAKES/OH RIVER VALLEY WILL
CONTINUE TO AMPLIFY EVOLVING INTO A CLOSED LOW CENTERED OVER NRN NEW
ENGLAND BY EARLY TUE. A SHARP COLD FRONT WILL QUICKLY SWEEP THROUGH
MID-ATLANTIC/SOUTHEAST THIS MORNING. STRONG NWLY WINDS WILL OCCUR IN
ITS WAKE...BETWEEN EXPANSIVE SURFACE HIGH PRESSURE IN THE SRN
PLAINS. IN THE SOUTHWEST...AN UPPER HIGH WILL BECOME ESTABLISHED
OVER SRN CA. A SURFACE TROUGH WILL DEVELOP OFF THE BAJA/SRN CA COAST
WITH HIGH PRESSURE REMAINING ANCHORED OVER THE FOUR CORNERS.
...CRITICAL FIRE WEATHER AREA - CNTRL/ERN SC AND PORTIONS OF
E-CNTRL/SERN GA...
PRIMARY CONDITIONS: STRONG WINDS / LOW RH / LONG-TERM DROUGHT
EARLY MORNING SURFACE OBSERVATIONS INDICATE HIGH RH ACROSS THE
REGION AS DEW POINTS HAVE HELD IN THE LOWER TO MIDDLE 60S. IN
ADDITION...A COLD FRONT WILL AID IN PRODUCING SCATTERED LIGHT
RAINFALL THROUGH 15Z. DESPITE THESE FACTORS...SIGNIFICANT DRYING
WILL OCCUR AFTER FRONTAL PASSAGE AS SUBSIDENCE/DOWNSLOPE EFFECTS
COMMENCE. ALTHOUGH COOLING WILL ALSO ENSUE IN THE LOW-LEVELS...THE
STRONGEST COLD AIR ADVECTION WILL REMAIN FARTHER NORTH. AS A
RESULT...RH VALUES WILL BECOME LOW /FROM 20 TO 30 PERCENT/ BY PEAK
HEATING. SUSTAINED SURFACE WINDS OF 20 TO 25 MPH APPEAR LIKELY
SUPPORTING A MODERATE DURATION OF CRITICAL CONDITIONS GIVEN
PERVASIVE LONG-TERM DROUGHT.
...SRN CA COASTAL RANGE...
AS A SURFACE TROUGH DEVELOPS OFFSHORE LATER TODAY...THE SURFACE
PRESSURE GRADIENT WILL TIGHTEN EARLY TUE. THIS WILL LEAD TO MODEST
OFFSHORE FLOW DESPITE LITTLE MID/UPPER-LEVEL SUPPORT FOR HIGH WINDS.
LOCALLY GUSTY N/NELY WINDS TO AROUND 30 MPH SHOULD DEVELOP ACROSS
FAVORED CANYONS/PASSES TOWARDS 12Z/TUE. THIS WILL STRENGTHEN DRYING
AFTER RECENT RAINFALL AND PRODUCE POOR OVERNIGHT RH RECOVERY.
..GRAMS.. 12/03/2007
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 030958
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0358 AM CST MON DEC 03 2007
VALID 041200Z - 051200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
AS A CLOSED UPPER-LEVEL LOW OVER NRN NEW ENGLAND LIFTS NEWD ACROSS
THE CANADIAN MARITIMES...A SECONDARY IMPULSE WILL DIG SWD FROM THE
CANADIAN PRAIRIES INTO THE UPPER MIDWEST. THIS WILL EFFECTIVELY
MAINTAIN A BROAD LARGE-SCALE TROUGH ACROSS MUCH OF THE CNTRL/ERN
CONUS INTO EARLY WED. SURFACE RIDGING WILL BECOME SUPPRESSED ALONG
THE GULF COAST AND FOUR CORNERS...WITH MUCH OF THE SRN CONUS
EXPERIENCING LOW RH AND MODEST WINDS.
...SOUTHEAST...
ALTHOUGH TEMPERATURES WILL BE MILD TUE AFTERNOON /GENERALLY IN THE
UPPER 50S TO MIDDLE 60S/...RH WILL BECOME QUITE LOW GIVEN UPSTREAM
DEW POINTS IN THE TEENS/20S OVER THE MID/LOWER MS AND LOWER OH RIVER
VALLEYS ATTM. WIDESPREAD MIN RH VALUES OF 15 TO 25 PERCENT ARE
EXPECTED FROM NRN FL NWD TO THE LOWER MID-ATLANTIC/TN RIVER VALLEY.
THIS WILL ENHANCE THE FIRE WEATHER THREAT GIVEN PREVALENT LONG-TERM
DROUGHT. HOWEVER...SUSTAINED SURFACE WINDS ARE EXPECTED TO REMAIN
MODERATE AT BEST /AROUND 10 TO 15 MPH/.
...SRN CA COASTAL RANGE...
LOCALLY GUSTY OFFSHORE WINDS WILL BE ONGOING TUE MORNING ALONG
FAVORED CANYONS/PASSES SUPPORTING POOR OVERNIGHT RH RECOVERY. MODEL
GUIDANCE INDICATES THE SURFACE PRESSURE GRADIENT WILL SLACKEN BY
LATE MORNING AS HIGH PRESSURE WEAKENS OVER THE FOUR CORNERS. AS RH
VALUES DROP TO AROUND 10 TO 15 PERCENT DURING THE
AFTERNOON...SUSTAINED SURFACE WINDS SHOULD REMAIN BELOW 20 MPH
MITIGATING A CRITICAL THREAT.
..GRAMS.. 12/03/2007
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...