Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 090741
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0141 AM CST TUE DEC 09 2008
VALID 091200Z - 101200Z
...CRITICAL FIRE WEATHER AREA FOR COASTAL AREAS OF SRN CA...
...CRITICAL FIRE WEATHER AREA FOR S CNTRL TX...
...SYNOPSIS...
A LARGE UPPER TROUGH WILL AMPLIFY ACROSS THE CENTRAL CONUS THROUGH
THE DAY. SNOW AND RAIN SHOWERS WILL AFFECT A WIDESPREAD AREA ALONG A
COLD FRONT EXTENDING FROM THE GREAT LAKES SWWD INTO THE MS VALLEY
AND INTO THE GULF COAST REGION DURING THE DAY...AND SHIFTING TO THE
EAST COAST BY OVERNIGHT.
BEHIND THE COLD FRONT...STRONG AND GUSTY NLY WINDS WILL AFFECT THE
SRN PLAINS. ALTHOUGH MOST AREAS WILL REMAIN TOO COLD FOR FIRE
CONCERNS...PORTIONS OF S CNTRL TX WILL REMAIN WARM AND MODESTLY DRY
IN COMBINATION WITH THESE GUSTY WINDS.
AS THE UPPER TROUGH CONTINUES TO SHIFT EWD...A LARGE SCALE UPPER
RIDGE WILL CONTINUE TO MOVE OVER THE INTERMOUNTAIN WEST...WITH
SURFACE HIGH PRESSURE GRADUALLY INTENSIFYING OVER THE INTERMOUNTAIN
WEST...CENTERED INVOF SRN ID. THIS WILL INCREASE THE PRESSURE
GRADIENT ACROSS SRN CA...ALLOWING A MODERATE SANTA ANA EVENT TO
COMMENCE.
...CRITICAL FIRE WEATHER AREA - COASTAL AREAS OF SRN CA...
PRIMARY CONDITIONS: STRONG WINDS...LOW RH...MODERATE TO SEVERE
DROUGHT
12 AM CST ANALYSIS SHOWS A COLD FRONT DRAPED ACROSS NRN AZ AND
EXTENDING WWD ACROSS FAR SRN CA...WHILE SURFACE HIGH PRESSURE IS
BUILDING ACROSS THE PACIFIC NORTHWEST. THIS COLD FRONT WILL MOVE
THROUGH SRN CA EARLY THIS MORNING...AND THE PRESSURE GRADIENT WILL
QUICKLY TIGHTEN FOLLOWING THE PASSAGE. NLY WINDS HAVE ALREADY BEGUN
TO DEVELOP OVER THE MOUNTAINS AND INLAND VALLEY LOCATIONS...WITH
STRONG GUSTS NEAR 60 MPH RECORDED IN PORTIONS OF SRN NV IMMEDIATELY
FOLLOWING THE FRONTAL PASSAGE. EXPECT STRONG WINDS TO BE ONGOING AT
THE START OF THE PERIOD...WITH SIMILAR SPEEDS LIKELY ACROSS HIGHER
ELEVATIONS AND 40 TO 50 MPH GUSTS IN THE VALLEYS. WINDS WILL SHIFT
TO NORTHEASTERLY...AND WILL INCREASE BY AFTERNOON. THE STRONGEST
GUSTS CAN BE EXPECTED OVER HIGHER ELEVATIONS AND THROUGH FAVORED
PASSES AND CANYONS. EXPECT RELATIVE HUMIDITIES TO DROP INTO THE
TEENS AND POSSIBLY SINGLE DIGITS AS THIS INITIATES WARM/DRY
DOWNSLOPING IN THE COASTAL AREAS OF SRN CA. OVERNIGHT RECOVERY WILL
BE POOR...ALTHOUGH WINDS WILL WEAKEN SOMEWHAT BY WEDNESDAY MORNING.
OXNARD WFO...LA/VENTURA COUNTY FIRE AND LOS PADRES NATIONAL FOREST
HAVE REPORTED DRIER FUELS THAN PREVIOUSLY THOUGHT...THEREFORE A
CRITICAL AREA HAS BEEN DESIGNATED. FARTHER S...CONDITIONS WILL BE
FAVORABLE...ALTHOUGH MORE MOIST FUELS HAVE BEEN REPORTED.
...CRITICAL FIRE WEATHER AREA - S CNTRL TX...
PRIMARY CONDITIONS: GUSTY WINDS WITH COLD FRONT...LOW RH...SEVERE
DROUGHT
A COLD FRONT WILL MOVE THROUGH EARLY IN THE DAY WITH COOL AND DRY
AIR FOLLOWING. GUSTY NLY WINDS WILL DEVELOP...AND SUSTAINED SPEEDS
NEAR 20 TO 30 MPH CAN BE EXPECTED. AS STATED YESTERDAY...RH
FORECASTS REMAIN PROBLEMATIC...WITH SOME MODELS FORECASTING VALUES
NEAR 30 PERCENT...AND OTHERS CLOSER TO 20 PERCENT.
REGARDLESS...PERSISTENT SEVERE DROUGHT CONDITIONS WILL ENHANCE THE
FIRE DANGER GIVEN STRONG WINDS AND EVEN MARGINAL RH VALUES. THESE
WINDS WILL PERSIST INTO THE NIGHT...ALTHOUGH RH VALUES WILL INCREASE
OVERNIGHT.
..HURLBUT.. 12/09/2008
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 090811
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0211 AM CST TUE DEC 09 2008
VALID 101200Z - 111200Z
...CRITICAL FIRE WEATHER AREA FOR SOUTH CENTRAL TX...
...SYNOPSIS...
A LARGE SCALE UPPER TROUGH WILL SLOWLY MOVE FROM THE CNTRL US AND
WILL EXTEND FROM THE ERN GREAT LAKES THROUGH THE MS VALLEY BY LATE
D2. MEANWHILE A SECOND UPPER LOW WILL DEVELOP ACROSS THE WRN GULF.
WIDESPREAD PRECIPITATION WILL AFFECT THE EAST COAST AND THE GULF
COAST REGION IN ASSOCIATION WITH THESE SYSTEMS.
FARTHER W...STRONG AND GUSTY NLY/NWLY WINDS WILL CONTINUE TO AFFECT
S CNTRL TX IN COMBINATION WITH COOL AND DRY AIR.
IN SRN CA...DRY CONDITIONS WILL CONTINUE...ALTHOUGH IN GENERAL WINDS
WILL BE LIGHTER THAN DAY 1.
...CRITICAL FIRE WEATHER AREA - SOUTH CENTRAL TX...
PRIMARY CONDITIONS: GUSTY WINDS...LOW RH...SEVERE DROUGHT
STRONG NLY/NWLY WINDS WILL CONTINUE ACROSS S CNTRL TX AROUND THE
BACKSIDE OF A SECOND UPPER LOW THAT WILL DEVELOP ACROSS THE WRN GULF
AND SLOWLY DRIFT EWD. COOL AND DRY CONDITIONS EXPERIENCED ON DAY 1
WILL CONTINUE...AS NO APPRECIABLE MOISTURE WILL RETURN TO THE AREA.
DESPITE COOL TEMPERATURES IN THE 50S AND LOWER 60S...RELATIVE
HUMIDITIES WILL DROP INTO THE MID 20S. WINDS WILL BE SUSTAINED NEAR
20 TO 25 MPH WITH HIGHER GUSTS. GIVEN SEVERE DROUGHT AND SIMILAR
CONDITIONS EXPERIENCED THE PREVIOUS DAY...A HEIGHTENED FIRE THREAT
WILL EXIST.
...SRN CA...
DRY CONDITIONS WILL BE EXPERIENCED THROUGHOUT THE DAY 2 TIME FRAME
AS WARM/DOWNSLOPING WINDS CONTINUE. UPPER HIGH PRESSURE IS FORECAST
TO WEAKEN THROUGH THE DAY AS THE LONG WAVE TROUGH OVER THE CNTRL
CONUS CONTINUES EWD. SURFACE HIGH PRESSURE AND THE ASSOCIATED
PRESSURE GRADIENT ACROSS SRN CA WILL DECREASE AS WELL IN RESPONSE TO
THIS. ALTHOUGH GUSTY WINDS MAY AFFECT THE AREA WED MORNING...ALBEIT
LIGHTER THAN D1...IN GENERAL WINDS WILL GRADUALLY DECREASE
THROUGHOUT THE DAY AS THIS OCCURS.
..HURLBUT.. 12/09/2008
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...