Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 150855
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0255 AM CST THU FEB 15 2007
VALID 151200Z - 161200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
OVERALL PATTERN WILL REMAIN CHARACTERIZED BY A LONGWAVE
TROUGH OVER THE EASTERN HALF OF THE COUNTRY...WITH UPPER RIDGING
PREVALENT FROM THE EASTERN PACIFIC INTO THE WESTERN STATES.
ARCTIC HIGH PRESSURE WILL CONTINUE TO SPILL SOUTHWARD THROUGH THE
PLAINS TODAY...WITH COLD TEMPERATURES ENCOMPASSING MUCH OF THE
CENTRAL/EASTERN STATES.
...SOUTHERN CA...
A TREND TOWARD MILDER TEMPERATURES/LOWER RH VALUES WILL OCCUR
THROUGH THE PERIOD ACROSS THE COASTAL AREAS OF SOUTHERN CA VIA UPPER
RIDGE AND EVOLVING OFFSHORE TRAJECTORIES. WHILE LOCALLY GUSTY WINDS
MAY OCCUR ACROSS SOUTHERN CA TONIGHT...IN ADDITION TO LIMITED
OVERNIGHT RH RECOVERIES...CRITICAL CONDITIONS ARE NOT ANTICIPATED.
...SOUTHEAST STATES/NORTHERN FL...
GRADUAL APPROACH OF HIGH PRESSURE AND WEST-NORTHWESTLY CONTINENTAL
TRAJECTORIES WILL LEAD TO A DRIER AIRMASS ACROSS MUCH OF THE
SOUTHEAST STATES/NORTHERN FL TODAY. HOWEVER...RECENT PRECIPITATION
AND SOME AFTERNOON CLOUD COVER/MARGINAL RH VALUES SUGGEST THE
OVERALL FIRE WEATHER THREAT WILL BE RATHER LIMITED.
..GUYER.. 02/15/2007
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 150857
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0257 AM CST THU FEB 15 2007
VALID 161200Z - 171200Z
...CRITICAL FIRE WEATHER AREA FOR COASTAL AREAS OF SOUTHERN CA...
...SYNOPSIS...
WITHIN THE LONGWAVE TROUGH OVER THE EASTERN TWO-THIRDS OF THE
CONUS...ONE SHORTWAVE TROUGH WILL EXIT THE SOUTHEAST STATES ON
FRIDAY...WHILE A SECONDARY SYSTEM QUICKLY DIVES SOUTHEASTWARD OVER
THE PLAINS AND UPPER MIDWEST. UPPER RIDGE WILL REMAIN OVER THE
WESTERN STATES...WITH SURFACE HIGH PRESSURE STRENGTHENING OVER THE
GREAT BASIN/INTERMOUNTAIN WEST.
...CRITICAL FIRE WEATHER AREA - COASTAL AREAS OF SOUTHERN CA...
PRIMARY CONDITIONS: STRONG SANTA ANA WINDS AND WARM TEMPERATURES/LOW
RH VALUES
WITH UPPER RIDGE ESTABLISHED...SURFACE HIGH PRESSURE IS FORECAST TO
QUICKLY BUILD EASTWARD ACROSS THE GREAT BASIN ON FRIDAY...WITH A
RESULTANT INCREASE IN OFFSHORE TRAJECTORIES ACROSS SOUTHERN CA. THE
CULMINATION OF A STRONG/GUSTY SANTA ANA WIND EVENT IS EXPECTED TO
OCCUR FRIDAY NIGHT/EARLY SATURDAY. OFFSHORE GRADIENT /POTENTIALLY
10-12 MILLIBARS LAX-TPH PER NAM AND GFS FORECAST GUIDANCE/ WILL
SUPPORT LOCALLY STRONG WIND GUSTS ACROSS SOUTHERN CA...ESPECIALLY
BELOW CANYONS AND PASSES FRIDAY NIGHT/EARLY SATURDAY. ALTHOUGH
RECENT PRECIPITATION MAY BE A DETRIMENTAL FACTOR FOR CRITICAL FIRE
CONDITIONS...CONSIDERABLE LONGER TERM PRECIPITATION DEFICIENCIES
EXIST ACROSS SOUTHERN CA.
...SOUTHEAST STATES/FL...
AS SURFACE HIGH PRESSURE APPROACHES...A DRY AIRMASS WILL CONTINUE TO
DEVELOP ACROSS MUCH OF THE SOUTHEAST STATES AND FL. EVEN WITH
RELATIVELY COOL TEMPERATURES IN THE 40S AND 50S AND RECENT
PRECIPITATION...DRYING NATURE OF THE AIRMASS WILL LEAD TO CRITICAL
AFTERNOON RH VALUES. MINIMUM RH VALUES WILL LIKELY BE AROUND 25-30
PERCENT FOR A FEW HOURS DURATION ACROSS MUCH OF AL/GA/SC AND
NORTHERN FL FRIDAY AFTERNOON...RANGING TO AROUND 35 PERCENT ACROSS
INTERIOR PORTIONS OF CENTRAL FL. SUSTAINED NORTHWEST WINDS MAY REACH
10-15 MPH FRIDAY AFTERNOON.
..GUYER.. 02/15/2007
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...