Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 111526
DAY 1 FIRE WEATHER OUTLOOK RESENT 1
NWS STORM PREDICTION CENTER NORMAN OK
1026 AM CDT FRI SEP 11 2009
VALID 111200Z - 121200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
...RESENT PER REQUEST...
AN UPPER LEVEL TROUGH CURRENTLY PROGRESSING SEWD INTO THE NRN HIGH
PLAINS WILL GRADUALLY BEGIN TO CLOSE OFF AND STALL ROUGHLY OVER
CNTRL SD BEFORE SLOWLY RETROGRADING WWD INTO THE NRN ROCKIES. BEHIND
THIS...AMPLIFIED UPPER HIGH PRESSURE WILL LINGER OVER MUCH OF THE
WEST...WITH ABOVE NORMAL TEMPERATURES AND DRY CONDITIONS AT THE
SURFACE. LOCALLY GUSTY WINDS MAY BE POSSIBLE IN SRN CA AS WEAK
OFFSHORE WINDS CONTINUE BETWEEN LOW PRESSURE OVER THE SRN CA
DESERTS...AND SURFACE HIGH PRESSURE DEVELOPING SWD THROUGH THE
ROCKIES AND INTO THE SOUTHWEST. HOWEVER...SUSTAINED WIND SPEEDS ARE
EXPECTED TO REMAIN BELOW CRITICAL THRESHOLDS. MEANWHILE...A SERIES
OF WEAK UPPER DISTURBANCES AND LINGERING MOISTURE WILL CONTINUE TO
BRING THUNDERSTORMS TO MUCH OF AZ/NM/CO. IN CA...AN UPPER LOW
OFFSHORE OF CNTRL CA WILL DRIFT TOWARDS THE COAST THROUGHOUT THE
PERIOD. THIS MAY PROVIDE ENOUGH DESTABILIZATION FOR ISOLATED
LIGHTNING STRIKES...ESPECIALLY AFTER DARK AS THE LOW MOVES CLOSER TO
THE COAST. STRIKES WILL LIKELY BE PRIMARILY LIMITED TO OFFSHORE
AREAS OF CNTRL/SRN CA...AS WELL AS THE SIERRAS. AS COVERAGE IS
EXPECTED TO BE ONLY ISOLATED AT BEST...A CRITICAL AREA WILL NOT BE
OUTLINED.
..HURLBUT.. 09/11/2009
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 111529
DAY 2 FIRE WEATHER OUTLOOK RESENT 1
NWS STORM PREDICTION CENTER NORMAN OK
1029 AM CDT FRI SEP 11 2009
VALID 121200Z - 131200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
...RESENT PER REQUEST...
A WEAK UPPER LOW WILL DRIFT INTO CNTRL CA...WHILE A STRONGER UPPER
TROUGH APPROACHES THE PACIFIC NORTHWEST. MID LEVEL MOISTURE WILL
CONTINUE TO INCREASE AHEAD OF THESE TWO SYSTEMS AS AN AREA OF RICHER
MOISTURE NOTED ON WV/PWAT IMAGERY APPROACHES THE NORTHWESTERN
COAST...WHILE MOISTURE FROM DECAYING T.S. LINDA STREAMS NEWD. BRIEF
UPPER RIDGING WILL PRECEDE THESE TROUGHS...ALLOWING ABOVE NORMAL
TEMPERATURES AND DRY CONDITIONS AT THE SURFACE TO CONTINUE. CURRENT
FORECASTS INDICATE WEAK INSTABILITY THAT WOULD LIKELY BE MORE
CONDUCIVE TO ISOLATED THUNDERSTORMS/LIGHTNING STRIKES...THOUGH GIVEN
SEVERAL DAYS OF HOT/DRY CONDITIONS THIS WOULD STILL LEAD TO A FIRE
THREAT. MUCH OF THE WEST WILL NEED TO BE MONITORED FOR POSSIBLE
INCLUSION OF A DRY THUNDERSTORM AREA IN TOMORROW/S FORECAST...SHOULD
INSTABILITY APPEAR TO BE GREATER THAN CURRENTLY FORECAST.
THUNDERSTORMS WILL BE POSSIBLE THROUGH EARLY MORNING AND INTO D3.
MEANWHILE FARTHER E...AN UPPER LOW IN THE NRN ROCKIES WILL CONTINUE
TO SLOWLY RETROGRADE WWD THEN NWWD THROUGH THE PERIOD. ALTHOUGH THE
SURFACE PRESSURE GRADIENT WILL INCREASE ACROSS THE ROCKIES AS LOW
PRESSURE DEVELOPS OVER THE GREAT BASIN AND HIGH PRESSURE DEVELOPS
OVER MUCH OF THE HIGH PLAINS...WINDS WILL BE MARGINAL AND RELATIVE
HUMIDITIES WILL REMAIN ABOVE CRITICAL THRESHOLDS. DESPITE STRONGER
ELY WINDS ABOVE THE SURFACE IN THE NRN ROCKIES...IT APPEARS THAT
MOISTURE/LOW MIXING HEIGHTS WILL PREVENT THESE WINDS FROM REACHING
THE SURFACE.
..HURLBUT.. 09/11/2009
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...