Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 230943
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0343 AM CST FRI NOV 23 2007
VALID 231200Z - 241200Z
...CRITICAL FIRE WEATHER AREA FOR COASTAL AREAS OF SOUTHERN CA...
...CRITICAL FIRE WEATHER AREA FOR SOUTHEAST CA AND THE LOWER CO
RIVER VALLEY...
...SYNOPSIS...
PRIMARY FIRE WEATHER CONCERN THROUGH THE WEEKEND WILL BE FOCUSED ON
SOUTHERN CA. THE LARGE SCALE UPPER FLOW PATTERN WILL GRADUALLY SPLIT
TODAY...HIGHLIGHTED BY AN UPPER TROUGH CENTERED OVER THE GREAT
LAKES/NORTHEAST STATES...AND A SECONDARY IMPULSE SLIDING
SOUTHEASTWARD OVER THE SOUTHWEST STATES. HIGH PRESSURE BUILDING
ACROSS THE GREAT BASIN/INTERMOUNTAIN WEST WILL CAUSE THE OFFSHORE
GRADIENT TO INCREASE ACROSS CA...LEADING TO A HEIGHTENED FIRE
DANGER. OTHERWISE...THE INFLUENCE OF HIGH PRESSURE AND COOL/DRY
CONDITIONS WILL LARGELY DOMINATE LOCALES EAST OF THE ROCKIES.
...CRITICAL FIRE WEATHER AREA - COASTAL AREAS OF SOUTHERN CA...
PRIMARY CONDITIONS: STRONG/GUSTY OFFSHORE WINDS AND LOW RH/EXTREME
DROUGHT
OFFSHORE GRADIENT WILL STRENGTHEN THROUGH TONIGHT AS HIGH PRESSURE
BUILDS ACROSS THE GREAT BASIN...ALL WHILE DEEP LAYER NORTHEASTERLY
FLOW DEVELOPS IN THE WAKE OF THE SOUTHEAST-SHIFTING UPPER TROUGH.
THE FIRE DANGER WILL INCREASE ACROSS SOUTHERN CA ACCORDINGLY AS
WINDS STEADILY INCREASE AND OFFSHORE/DOWNSLOPE TRAJECTORIES LEAD TO
A DRYING AIRMASS INTO SATURDAY. THE CULMINATION OF THE MODERATE TO
POTENTIALLY STRONG OFFSHORE EVENT IS EXPECTED TONIGHT INTO THE FIRST
PART OF SATURDAY...WITH THE POTENTIAL FOR 20-40 MPH SUSTAINED WINDS
AND SIGNIFICANTLY HIGHER GUSTS THE LATTER HALF OF THE PERIOD FOR THE
COASTAL RANGE AND ADJACENT COASTAL AREAS. GIVEN THE ORIENTATION OF
THE OFFSHORE GRADIENT...WIND GUST POTENTIAL AND RESULTANT CRITICAL
CONDITIONS APPEAR MOST LIKELY ACROSS VENTURA/LOS ANGELES
COUNTIES...AS WELL AS ADJACENT PORTIONS OF ORANGE/RIVERSIDE AND SAN
BERNARDINO COUNTIES. RH RECOVERY TONIGHT WILL BE VERY POOR.
...CRITICAL FIRE WEATHER AREA - SOUTHEAST CA AND THE LOWER CO RIVER
VALLEY...
PRIMARY CONDITIONS: STRONG/GUSTY WINDS AND LOW RH/EXTREME DROUGHT
WITH HIGH PRESSURE ACROSS THE GREAT BASIN...DOWNSLOPE TRAJECTORIES
WILL ALSO EXIST ACROSS THE LOWER CO RIVER VALLEY AND SOUTHEAST CA.
NORTHERLY WINDS WILL BE INCREASING THIS AFTERNOON INTO
SATURDAY...WITH THE POTENTIAL FOR SUSTAINED 15-30 MPH WINDS WITH
HIGHER GUSTS. THE DOWNSLOPE TRAJECTORIES WILL LEAD TO A
WARMING/DRYING AIRMASS INTO SATURDAY...WITH CRITICALLY LOW RH VALUES
COUPLED WITH THE STRONG/GUSTY WINDS RESULTING IN A CRITICAL FIRE
DANGER AS EXTREME DROUGHT CONTINUES.
..GUYER.. 11/23/2007
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 231001
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0401 AM CST FRI NOV 23 2007
VALID 241200Z - 251200Z
...CRITICAL FIRE WEATHER AREA FOR COASTAL AREAS OF SOUTHERN CA...
...CRITICAL FIRE WEATHER AREA FOR SOUTHEAST CA AND THE LOWER CO
RIVER VALLEY...
...SYNOPSIS...
SPLIT UPPER FLOW REGIME WILL CONTINUE ON SATURDAY...WITH AN ACTIVE
NORTHERN STREAM/STRONG WESTERLIES ACROSS THE NORTHERN TIER OF
STATES...WHILE AN UPPER TROUGH IN THE SOUTHERN STREAM CROSSES THE
SOUTHERN ROCKIES/NORTHERN MEXICO. WHILE STRONG OFFSHORE/DOWNSLOPE
WINDS ARE INITIALLY EXPECTED ACROSS SOUTHERN CA AND THE LOWER CO
RIVER VALLEY...WEAKENING GREAT BASIN HIGH PRESSURE WILL LEAD TO A
RELAXING GRADIENT THROUGH THE AFTERNOON/EVENING. OTHERWISE...HIGH
PRESSURE WILL REMAIN PREVALENT FOR AREAS EAST OF THE ROCKIES.
...CRITICAL FIRE WEATHER AREA - COASTAL AREAS OF SOUTHERN CA...
PRIMARY CONDITIONS: STRONG/GUSTY OFFSHORE WINDS AND LOW RH/EXTREME
DROUGHT
AS A MODERATELY STRONG OFFSHORE PRESSURE GRADIENT
PERSISTS...STRONG/GUSTY WINDS WILL BE ONGOING SATURDAY MORNING FOR
THE COASTAL AREAS OF SOUTHERN CA. SUSTAINED WINDS OF 20-40 MPH ARE
LIKELY...WITH THE POTENTIAL FOR SIGNIFICANTLY HIGHER GUSTS. AS HIGH
PRESSURE WEAKENS ACROSS THE GREAT BASIN DURING THE DAY...THE
OFFSHORE GRADIENT SHOULD GRADUALLY RELAX DURING THE LATTER PART OF
SATURDAY...WITH THE GUSTY WINDS DIMINISHING. EVEN SO...RELATIVELY
MILD TEMPERATURES AND VERY LOW AFTERNOON RH VALUES /8-15 PERCENT/
WILL NEVERTHELESS PERSIST AND RESULT IN A HIGH FIRE DANGER THROUGH
THE PERIOD.
...CRITICAL FIRE WEATHER AREA - SOUTHEAST CA AND THE LOWER CO RIVER
VALLEY...
PRIMARY CONDITIONS: STRONG/GUSTY OFFSHORE WINDS AND LOW RH/EXTREME
DROUGHT
A HIGH FIRE DANGER WILL CONTINUE ACROSS SOUTHEAST CA AND THE LOWER
CO RIVER VALLEY VIA STRONG/GUSTY WINDS AND LOW RH COUPLED WITH
EXTREME DROUGHT. AS DOWNSLOPE TRAJECTORIES CONTINUE
SATURDAY...SUSTAINED NORTHERLY WINDS OF 20-30 MPH ARE LIKELY...WITH
CONSIDERABLY HIGHER GUSTS POSSIBLE THROUGH THE AFTERNOON. MILD
TEMPERATURES IN THE 60S/70S ARE EXPECTED...ALONG WITH AFTERNOON RH
VALUES AS LOW AS 8-15 PERCENT.
..GUYER.. 11/23/2007
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...