Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 050836
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0236 AM CST FRI JAN 05 2007
VALID 051200Z - 061200Z
...CRITICAL FIRE WEATHER AREA FOR SRN CA COASTAL AREA AND LOWER CO
RIVER VALLEY...
...SYNOPSIS...
LARGE MID-LEVEL TROUGH FROM THE NRN ROCKIES SWWD THROUGH THE GREAT
BASIN AND SRN CA WILL DIG E/SEWD INTO THE UPPER MIDWEST AND SRN
ROCKIES/NRN MEXICO BY 12Z SATURDAY. A LEE SURFACE LOW OVER CNTRL CO
WILL TRACK SEWD ACROSS THE SRN PLAINS. ATTENDANT COLD FRONT WILL
PUSH ACROSS THE FOUR CORNERS AND SRN CA THIS MORNING...AND ACROSS
THE SRN ROCKIES/HIGH PLAINS BY THIS EVENING. SUBSIDENCE IN THE WAKE
OF THE MID-LEVEL TROUGH AND SURFACE FRONT WILL SUPPORT STRENGTHENING
HIGH PRESSURE OVER THE GREAT BASIN.
...CRITICAL FIRE WEATHER AREA - SRN CA COASTAL AREA AND LOWER CO
RIVER VALLEY...
PRIMARY CONDITIONS: STRONG OFFSHORE WINDS / LOW RH / MODERATE
DROUGHT
GUSTY OFFSHORE WINDS WILL INTENSIFY THIS MORNING LEADING TO RAPID
DRYING AND WIDESPREAD CRITICAL CONDITIONS DEVELOPING FROM
MID-AFTERNOON THROUGH TONIGHT. THE WINDS WILL INCREASE AS STRONG
SUBSIDENCE OCCURS BEHIND THE PASSAGE OF A COLD FRONT/MID-LEVEL
TROUGH. SUSTAINED N/NELY WINDS OF 25 TO 35 MPH WILL BE COMMON.
HIGHER SUSTAINED WINDS OF 35 TO 45 MPH WILL ALSO OCCUR...ESPECIALLY
ALONG THE CO RIVER VALLEY AND IN FAVORED CANYONS/PASSES OF THE
COASTAL MTNS. ALTHOUGH AFTERNOON TEMPERATURES WILL BE COOL
/GENERALLY IN THE 50S TO MID 60S/...RH VALUES WILL LIKELY DROP TO
AROUND 10 TO 15 PERCENT. IN ADDITION...A STRONG N/NELY MID-LEVEL JET
/60 T0 80 MPH AT 700 TO 500 MB/ WILL DEVELOP IN THE LATE
AFTERNOON/EARLY EVENING. LOW/MID-LEVEL WINDS WILL BE OPTIMALLY
ALIGNED FOR POTENTIALLY INTENSE WIND GUSTS ACROSS PORTIONS OF THE
COASTAL MTNS THIS EVENING. THIS WILL ALSO LEAD TO VERY LITTLE
OVERNIGHT RH RECOVERY ACROSS MUCH OF THE COASTAL AREA.
...SERN NM PLAINS/PORTIONS OF THE TRANSPECOS REGION OF W TX...
WLY WINDS WILL GREATLY INCREASE THROUGH THE MID/UPPER-LEVELS TODAY
AS A LARGE-SCALE TROUGH APPROACHES. LOW-LEVEL WINDS SHOULD NOT
INCREASE QUITE AS MUCH...WITH A WEAK SURFACE PRESSURE GRADIENT
PRESENT AHEAD OF A COLD FRONT. SUSTAINED AFTERNOON WLY WINDS OF 15
TO 20 MPH SHOULD OCCUR. DOWNSLOPE FLOW WILL BE SUFFICIENT FOR
MARGINALLY LOW RH VALUES OF 15 TO 20 PERCENT WITH AFTERNOON
TEMPERATURES IN THE UPPER 60S TO MID 70S.
..GRAMS.. 01/05/2007
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 050939
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0339 AM CST FRI JAN 05 2007
VALID 061200Z - 071200Z
...CRITICAL FIRE WEATHER AREA FOR SRN CA COASTAL AREA...
...SYNOPSIS...
A LARGE UPPER-LEVEL TROUGH WILL BE MAINTAINED ACROSS THE CNTRL CONUS
THROUGH THE PERIOD. AN INITIAL SHORTWAVE TROUGH WILL LIFT NEWD FROM
THE UPPER MS RIVER VALLEY AND A SECONDARY SHORTWAVE WILL QUICKLY
DROP SEWD FROM THE FAR NWRN CONUS/SRN BRITISH COLUMBIA INTO THE NRN
PLAINS. SURFACE HIGH PRESSURE OVER THE GREAT BASIN WILL INITIALLY
WEAKEN AS THE LATTER SHORTWAVE TROUGH ENTERS THE NRN CONUS...BEFORE
STRENGTHENING EARLY SUNDAY AS LARGE-SCALE SUBSIDENCE INCREASES. A
SRN STREAM SHORTWAVE TROUGH...EXPECTED TO BE ACROSS THE SRN ROCKIES
AT 12Z SATURDAY...WILL BECOME INCREASINGLY SHEARED AS IT MOVES EWD
OVER THE SRN PLAINS. IN ITS WAKE...MID-LEVEL RIDGING WILL BUILD EWD
TOWARDS THE CA COAST.
...CRITICAL FIRE WEATHER AREA - SRN CA COASTAL AREA...
PRIMARY CONDITIONS: LONG DURATION OF LOW RH / OFFSHORE WINDS /
MODERATE DROUGHT
GUSTY OFFSHORE WINDS AND VERY POOR RH RECOVERY ARE EXPECTED TO BE
ONGOING SATURDAY MORNING ALONG AND DOWNWIND OF THE COASTAL MTNS.
THIS SHOULD LEAD TO A LONG DURATION OF LOW RH AOB 15 PERCENT AWAY
FROM THE IMMEDIATE COAST LINE. WITH TEMPERATURES GENERALLY REACHING
THE 60S DURING THE AFTERNOON...MIN RH VALUES SHOULD DROP TO 5 TO 10
PERCENT. WINDS WILL SIGNIFICANTLY WEAKEN...ESPECIALLY DURING THE
AFTERNOON...AS THE SURFACE PRESSURE GRADIENT SLACKENS AND MID-LEVEL
KINEMATIC SUPPORT WANES. HOWEVER...E/NELY WINDS SHOULD INCREASE
EARLY SUNDAY MORNING AS HIGH PRESSURE INTENSIFIES OVER THE GREAT
BASIN. SUSTAINED SPEEDS OF 20 TO 30 MPH SHOULD OCCUR IMMEDIATELY
DOWNSLOPE OF THE COASTAL MTNS.
...LOWER CO RIVER VALLEY...
NLY WINDS AND LOW RH WILL CONTINUE FROM DAY 1...BUT AFTERNOON WIND
SPEEDS WILL BE MUCH WEAKER WITH A DIMINISHING SURFACE PRESSURE
GRADIENT. SUSTAINED SPEEDS SHOULD ONLY REACH 10 TO 15 MPH. WITH
TEMPERATURES AROUND 60 DEGREES F...RH VALUES WILL LIKELY FALL TO 10
TO 15 PERCENT.
..GRAMS.. 01/05/2007
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...