Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 110733
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0233 AM CDT MON MAY 11 2009
VALID 111200Z - 121200Z
...CRITICAL FIRE WEATHER AREA FOR COASTAL SRN CA...PRIMARILY SANTA
BARBARA...VENTURA...AND LOS ANGELES COUNTIES...
...CRITICAL FIRE WEATHER AREA FOR SWRN WY/NERN UT/NWRN CO...
...SYNOPSIS...
IN THE EAST...UPPER TROUGHING WILL DOMINATE...WHILE AT THE SURFACE
BROAD HIGH PRESSURE CENTERED ROUGHLY OVER THE OHIO RIVER VALLEY WILL
CONTINUE TO BUILD SWD AND EWD. THIS WILL SLOWLY PUSH A COLD FRONT
OFF THE COAST OF THE CAROLINAS...AND ALLOW IT TO BECOME RELATIVELY
STATIONARY ACROSS THE FL/GA BORDERS...EXTENDING WWD ALONG THE GULF
COAST. THE FRONT WILL CONTINUE TO INFLUENCE THUNDERSTORMS IN THESE
AREAS. S OF THE FRONT IN FL...ANOTHER DAY OF HOT TEMPERATURES/LOW RH
WILL PERSIST ACROSS INLAND PORTIONS OF THE PENINSULA. ISOLD
THUNDERSTORMS WILL BE POSSIBLE AS THE WEST/EAST COAST SEA BREEZES
MERGE.
MEANWHILE IN THE WEST...AN UPPER TROUGH WILL SLOWLY MOVE SEWD INTO
WASHINGTON...WITH UPPER RIDGING AFFECTING THE INTERMOUNTAIN WEST.
STRONG/GUSTY WINDS WILL ALIGN WITH WARM/HOT TEMPERATURES AHEAD OF A
COLD FRONT IN PORTIONS OF WY/CO/UT. FARTHER S...HOT AND DRY
CONDITIONS WILL PERSIST...ALTHOUGH WITH LIGHTER WINDS THAN AREAS TO
THE N.
ALONG THE COAST...THE SURFACE PRESSURE GRADIENT WILL INCREASE OVER
CALIFORNIA AS A LOW DEEPENS OVER THE DESERTS OF SERN CA/SWRN
AZ...AND HIGH PRESSURE NOSES INTO THE PACIFIC NORTHWEST. CRITICAL
CONDITIONS WILL LIKELY DEVELOP BY LATE AFTERNOON/EVENING AS NLY FLOW
RETURNS...BRINGING WARM/DRY CONDITIONS AND GUSTY WINDS IN DOWNSLOPE
FLOW TO MUCH OF SANTA BARBARA...VENTURA...AND LOS ANGELES COUNTIES.
...CRITICAL FIRE WEATHER AREA - COASTAL SRN CA...PRIMARILY SANTA
BARBARA...VENTURA...AND LOS ANGELES COUNTIES...
PRIMARY CONDITIONS: GUSTY WINDS...LOW RH...WARM/HOT
TEMPERATURES...MODERATE TO SEVERE DROUGHT
WV IMAGERY SHOWS A WEAK TROUGH MOVING INTO SRN CA...WITH
ANTICYCLONIC/UPPER RIDGING FOLLOWING. AS THE UPPER RIDGING CONTINUES
TO APPROACH THE COAST...WINDS WILL VEER THROUGH THE DAY...BECOMING
MORE NLY BY LATE AFTERNOON/EVENING. 05Z SURFACE ANALYSIS SHOWS HIGH
PRESSURE NOSING INTO THE PACIFIC NORTHWEST...WITH A WEAK SURFACE LOW
OVER THE DESERTS OF SERN CA/SWRN AZ. ALTHOUGH THE PRESSURE GRADIENT
REMAINS WEAK AT THE MOMENT...IT IS EXPECTED TO INCREASE THROUGH THE
DAY. IN RESPONSE...EXPECT WARM/HOT TEMPERATURES AND LOW RH AS WINDS
INCREASE AND BECOME PREDOMINANTLY FROM THE NORTH. WINDS WILL
STRENGTHEN INTO D2...WITH MORE SIGNIFICANT CONDITIONS LIKELY THROUGH
D2 AND D3.
...CRITICAL FIRE WEATHER AREA - SWRN WY/NERN UT/NWRN CO...
PRIMARY CONDITIONS: STRONG WINDS...LOW RH
AN UPPER LOW WILL SLOWLY MOVE SEWD INTO WASHINGTON THROUGH THE
PERIOD. AHEAD OF THIS...WEAK UPPER RIDGING WILL AFFECT MUCH OF THE
INTERMOUNTAIN WEST...WHILE A 50 TO 60 KT JET OVERSPREADS THE NWRN
CONUS. HOT AND DRY CONDITIONS CAN BE EXPECTED ACROSS A WIDESPREAD
AREA. STRONG WINDS CAN BE EXPECTED AHEAD OF A COLD FRONT IN MUCH OF
WY/UT/CO...WHILE WARM TEMPERATURES/STEEP LOW LEVEL LAPSE RATES WILL
ALLOW GUSTS UP TO 45 MPH TO MIX TO THE SURFACE.
...SRN UT/NRN AZ...
HOT AND DRY CONDITIONS WILL PERSIST ACROSS THE SWRN STATES...WITH
TEMPERATURES IN THE NEAR 105 ACROSS SRN AZ...AND MID 80S ACROSS SRN
UT. RHS WILL PREDOMINANTLY BE IN THE SINGLE DIGITS AND TEENS.
ALTHOUGH STRONGER JET WINDS WILL REMAIN TO THE N OF THESE
AREAS...HOT TEMPERATURES WILL ALLOW GUSTS UP TO 30 MPH TO MIX TO THE
SURFACE. GIVEN ABNORMALLY DRY/MODERATE DROUGHT CONDITIONS...A
HEIGHTENED FIRE THREAT WILL EXIST.
...FLORIDA...
SIMILAR TO THE PAST FEW DAYS...HOT/DRY CONDITIONS WILL PERSIST S OF
A NEARLY STATIONARY FRONT THAT WILL APPROACH THE FL/GA BORDER.
TEMPERATURES IN THE LOW TO MID 90S WILL CAUSE RHS TO DROP INTO THE
UPPER 20S/LOWER 30S ACROSS INLAND PORTIONS OF THE CNTRL/SRN
PENINSULA. ISOLD THUNDERSTORMS WITH VERY LITTLE RAINFALL WILL
INCREASE THE RISK OF FIRE STARTS ACROSS VERY HIGH KBDI AREAS AS THE
WEST/EAST COAST SEA BREEZES CONVERGE BY LATE AFTERNOON/EARLY
EVENING.
..HURLBUT.. 05/11/2009
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 110840
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0340 AM CDT MON MAY 11 2009
VALID 121200Z - 131200Z
...CRITICAL FIRE WEATHER AREA FOR SERN WY...MUCH OF CO...ERN
UT...NRN NM...NERN AZ...
...CRITICAL FIRE WEATHER AREA FOR COASTAL SRN CA...PRIMARILY SANTA
BARBARA...VENTURA...AND LOS ANGELES COUNTIES...
...SYNOPSIS...
AN UPPER LOW AND ASSOCIATED 70 TO 80 KT MID LEVEL JET WILL QUICKLY
MOVE THROUGH THE PACIFIC NORTHWEST AND INTO THE NRN PLAINS. BY LATE
AFTERNOON...A SURFACE COLD FRONT WILL EXTEND WSWWD THROUGH CNTRL
ND...ARCING SWWD THROUGH SERN CO...CNTRL UT...AND SRN NV. THE
SURFACE PRESSURE GRADIENT WILL INCREASE SIGNIFICANTLY ACROSS THE
WEST AS THIS LOW PROGRESSES EWD...AND HIGH PRESSURE OFFSHORE OF NRN
CA/SRN OR NOSING INTO THE PACIFIC NORTHWEST BEGINS TO STRENGTHEN.
THE RESULT WILL BE AN INCREASE IN WINDS ACROSS A WIDESPREAD AREA IN
THE WEST...WITH STRONGER WINDS MIXING TO THE SURFACE AS TEMPERATURES
REMAIN WARM EVEN FOLLOWING THE FRONTAL PASSAGE. BROAD AREAS WITH RHS
IN THE TEENS WILL BE COMMON...WHILE THE FRONT ITSELF IS EXPECTED TO
BRING LITTLE RAINFALL.
MEANWHILE IN SRN CA...UPPER RIDGING WILL STRENGTHEN OVER THE
COAST...WITH AN INCREASE IN NLY 850 MB FLOW AS WELL. THE SURFACE
PRESSURE GRADIENT WILL INCREASE SIGNIFICANTLY...WITH WARM/DRY
CONDITIONS AND GUSTY WINDS IN DOWNSLOPE WINDS IN SANTA
BARBARA...VENTURA...AND LOS ANGELES COUNTIES.
...CRITICAL FIRE WEATHER AREA - SERN WY...MUCH OF CO...ERN UT...NRN
NM...NERN AZ...
PRIMARY CONDITIONS: STRONG/GUSTY WINDS...WARM TEMPERATURES...LOW RH
A STRONG JET MAX WILL OVERSPREAD MUCH OF THE WEST...WHILE AT THE
SURFACE THE PRESSURE GRADIENT WILL INCREASE SIGNIFICANTLY BETWEEN
HIGH PRESSURE NEAR THE COAST...AND LOW PRESSURE OVER THE PLAINS.
TEMPERATURES WILL WARM INTO THE UPPER 60S TO LOWER 80S...WITH RHS IN
THE TEENS ACROSS A WIDESPREAD AREA. WLY/SWLY WINDS AHEAD OF A COLD
FRONT IN WY/CO/UT/AZ AND BEHIND A DRYLINE IN NM WILL BE SUSTAINED
AROUND 30 MPH WITH HIGHER GUSTS.
...CRITICAL FIRE WEATHER AREA - COASTAL SRN CA...PRIMARILY SANTA
BARBARA...VENTURA...AND LOS ANGELES COUNTIES...
PRIMARY CONDITIONS: STRONG/GUSTY WINDS...WARM/HOT TEMPERATURES...LOW
RH...MODERATE TO SEVERE DROUGHT
THE PRESSURE GRADIENT AND ASSOCIATED NLY WINDS IN COASTAL SRN CA
WILL INCREASE SIGNIFICANTLY BY LATE AFTERNOON/EARLY
EVENING...PERSISTING THROUGH THE NIGHT AND INTO D3. EXPECT HOT/DRY
DOWNSLOPE WINDS WITH SINGLE DIGIT RHS POSSIBLE. GUSTY WINDS WILL BE
COMMON...ESPECIALLY NEAR FAVORED PASSES AND CANYONS.
...SERN ID/SWRN WY/NRN UT...
STRONG POST FRONTAL WINDS WILL AFFECT THE REGION...WITH SUSTAINED
SPEEDS NEAR 30 MPH WITH STRONGER GUSTS. HOWEVER...RELATIVELY COOL
TEMPERATURES IN THE MID 50S TO LOWER 60S WILL PREVENT RHS FROM
DROPPING BELOW CRITICAL VALUES. REGARDLESS...GIVEN THE MAGNITUDE OF
WINDS...LOCALIZED THREATS MAY BE POSSIBLE IN AREAS WITH MARGINAL RHS
AND DRIER FUELS.
...PORTIONS OF NV/AZ/NM...
HOT/DRY CONDITIONS WILL BE WIDESPREAD...WITH RHS GENERALLY IN THE
SINGLE DIGITS AND TEENS. CURRENT FORECASTS REFLECT WINDS WILL BE
VERY NEAR CRITICAL THRESHOLDS...THOUGH NOT AS STRONG AS AREAS TO THE
N AND E. SHOULD STRONGER WINDS APPEAR LIKELY...ADDITIONAL CRITICAL
OUTLINES WILL BE ADDED IN TOMORROW/S FORECAST.
..HURLBUT.. 05/11/2009
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...