Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 170855
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0355 AM CDT WED SEP 17 2008
VALID 171200Z - 181200Z
...CRITICAL FIRE WEATHER AREA FOR PORTIONS OF THE INTERIOR PAC NW
AND THE NRN GREAT BASIN...
...SYNOPSIS...
AHEAD OF AN UPPER TROUGH MOVING THROUGH NRN CA EARLY THIS
MORNING...SCT DRY TSTMS WILL BE POSSIBLE FROM NRN NV INTO ERN
ORE/WRN ID THROUGH THE PERIOD SUPPORTING A CRITICAL FIRE WEATHER
THREAT. NORTH OF THIS SYSTEM...HIGH HAINES INDICES /6/ COMBINED WITH
VERY DRY/ABOVE NORMAL TEMPERATURES WILL SUPPORT NEAR CRITICAL FIRE
WEATHER CONDITIONS OVER MUCH OF THE REMAINDER OF THE PAC NW.
ELSEWHERE ACROSS THE WEST...SCT MAINLY WET TSTMS WILL BE POSSIBLE
OVER THE SRN GREAT BASIN/FOUR CORNER AREA ASSOCIATED WITH A WEAK
UPPER LEVEL SYSTEM. BROAD SFC/UPPER LEVEL HIGH PRESSURE WILL RESULT
IN DRY CONDITIONS/LIGHT WINDS ACROSS MOST OF THE NATION EAST OF THE
ROCKIES.
...CRITICAL FIRE WEATHER AREA - PORTIONS OF THE INTERIOR PAC NW AND
NRN GREAT BASIN...
PRIMARY CONDITIONS: SCT DRY TSTMS
AHEAD OF AN UPPER TROUGH...MODEST UPPER LEVEL FORCING COMBINED WITH
MID LEVEL INSTABILITY WILL SUPPORT SCT TSTMS OVER THE REGION THIS
AFTERNOON. DRY LOW LEVELS AND HIGH CLOUD BASES WILL COMBINE TO
PRODUCE LITTLE RAINFALL AND POTENTIAL FOR MAINLY DRY TSTMS WITH
GUSTY/ERRATIC WINDS.
...REMAINDER OF PAC NW...
NORTH OF THE DRY TSTM THREAT AREA...A VERY DRY AIRMASS AND ABOVE
NORMAL TEMPERATURES/LIGHT WIND FIELDS WILL SUPPORT A HIGH HAINES
INDEX OVER THE REGION TODAY. THIS WILL LEAD TO THE POTENTIAL FOR
PLUME DOMINATED FIRE GROWTH WITH ANY LARGE FIRE.
..CROSBIE.. 09/17/2008
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 170857
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0357 AM CDT WED SEP 17 2008
VALID 181200Z - 191200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
AN UPPER TROUGH WILL WEAKEN AS IT MOVES THROUGH THE NRN ROCKIES
TOMORROW. AHEAD OF THIS SYSTEM...ISOLATED DRY TSTMS WILL BE POSSIBLE
FROM THE NERN GREAT BASIN INTO THE NRN ROCKIES. FURTHER
WEST...ANOTHER UPPER TROUGH WILL MOVE TOWARDS THE CA/ORE COAST.
ISOLATED DRY TSTMS WILL ALSO BE POSSIBLE AHEAD OF THIS SYSTEM OVER
NWRN CA/SWRN ORE LATE IN THE PERIOD. FURTHER EAST...THE UPPER/SFC
PATTERN WILL REMAIN SIMILAR TO TODAY WITH HIGH PRESSURE DOMINATING
AREAS EAST OF THE ROCKIES. THIS WILL PRECLUDE ANY OTHER CRITICAL
FIRE WEATHER POTENTIAL.
...NRN ROCKIES/ERN GREAT BASIN...
AHEAD OF A WEAKENING SHORTWAVE TROUGH...ISOLATED DRY TSTMS WILL BE
POSSIBLE FROM ERN UT/WRN WY AND ERN ID. LACK OF GREATER CONVECTIVE
COVERAGE WILL PRECLUDE A CRITICAL FIRE WEATHER OUTLOOK AREA.
...SWRN ORE/NWRN CA...
AHEAD OF A SEASONABLY STRONG UPPER TROUGH...ISOLATED TSTMS WILL BE
POSSIBLE LATE IN THE PERIOD AS FORCING INTERACTS WITH STEEP LAPSE
RATES/MID LEVEL MOISTURE. DRY LOW LEVELS WOULD LIMIT RAINFALL AMTS
AND LEAD TO POTENTIAL FOR DRY LIGHTNING. HOWEVER...LIMITED COVERAGE
OF TSTMS EXPECTED ATTM WILL PRECLUDE A CRITICAL FIRE WEATHER OUTLOOK
AREA.
..CROSBIE.. 09/17/2008
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...