Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 250749
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0249 AM CDT THU OCT 25 2007
VALID 251200Z - 261200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
THE HIGH PRESSURE SYSTEM OVER THE FOUR CORNERS REGION WILL CONTINUE
TO WEAKEN THROUGH THE FORECAST PERIOD UNDER INFLUENCE FROM THE
RETROGRADING LOW OVER THE MISSISSIPPI VALLEY AND THE INCOMING
POSITIVELY TILTED TROUGH OVER THE PACIFIC NORTHWEST. AS THIS SYSTEM
WEAKENS...THE SANTA ANA WIND EVENT OVER SOUTHERN CALIFORNIA WILL
CONTINUE TO DIMINISH AND WINDS WILL SHIFT TO AN ONSHORE REGIME.
ELSEWHERE IN THE COUNTRY...RAIN AND THUNDERSTORMS CAN BE EXPECTED IN
THE BROAD AREA OF UPWARD MOTION ON THE EASTERN SIDE OF THE LOW
PRESSURE SYSTEM IN THE SOUTHEAST...AND AREAS OF STRONG AND GUSTY
WINDS WILL EXIST BEHIND A COLD FRONTAL PASSAGE IN NORTHERN
CALIFORNIA.
...SRN CA...
THE SANTA ANA EVENT OVER THE REGION WILL CONTINUE TO DIMINISH
THROUGHOUT THE DAY ON THURSDAY AS THE HIGH PRESSURE SYSTEM CENTERED
OVER THE FOUR CORNERS REGION WEAKENS. WEAK OFFSHORE FLOW WILL STILL
EXIST DURING THE EARLY PART OF THE FORECAST PERIOD BUT WILL
GRADUALLY SHIFT TO AN ONSHORE FLOW PATTERN BY EVENING...WITH WEAK
WIND SPEEDS OF AROUND 10 MPH. HOWEVER...RELATIVE HUMIDITY VALUES
WILL REMAIN VERY LOW.../BELOW 10 PERCENT IN SOME AREAS/...AND THE
LONG TERM DROUGHT IN THE REGION CONTINUES. THE REGION WILL APPROACH
A CRITICAL FIRE WEATHER THREAT DUE TO ONGOING FIRES AND LOCALLY
VARIABLE WIND SPEEDS AND DIRECTIONS IN AREAS OF STEEP TERRAIN.
...NRN CA...
A COLD FRONT WILL PASS THROUGH NORTHERN CALIFORNIA AND SOME AREAS OF
STRONG AND GUSTY WINDS WILL EXIST IN THE AREA WITH WIND SPEEDS
AROUND 15 TO 20 MPH WITH HIGHER GUSTS. HIGH RELATIVE HUMIDITY VALUES
AND COOL TEMPERATURES WILL HELP TO REDUCE THE FIRE WEATHER THREAT.
..LEVIT.. 10/25/2007
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 250751
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0251 AM CDT THU OCT 25 2007
VALID 261200Z - 271200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
MODELS ARE IN GENERAL AGREEMENT THAT THE LOW PRESSURE SYSTEM IN THE
MISSISSIPPI VALLEY WILL BEGIN TO MOVE NORTHEASTWARD AND BY THE END
OF THE PERIOD WILL BE CENTERED IN EASTERN INDIANA. WIDESPREAD
PRECIPITATION CAN BE EXPECTED TO THE NORTHEAST OF THIS STORM SYSTEM.
IN THE NORTH...A UPPER-LEVEL TROUGH WILL MOVE INTO THE DAKOTAS...AND
THE FLOW REGIME OVER THE WESTERN UNITED STATES WILL TRANSLATE FROM A
ZONAL TO A NORTHWESTERLY DIRECTION. ELSEWHERE...A COLD FRONT WILL
MOVE THROUGH THE WESTERN UNITED STATES AND THE CENTRAL
PLAINS...BRINGING MUCH COOLER CANADIAN AIR BEHIND IT.
...WESTERN NEVADA...
A COLD FRONT WILL PASS THROUGH THE AREA DURING FRIDAY MORNING...AND
SOME STRONG AND GUSTY NORTHERLY WINDS WILL EXIST DURING THE
AFTERNOON WITH WIND SPEEDS AROUND 20 MPH WITH HIGHER GUSTS. RELATIVE
HUMIDITY VALUES WILL REMAIN FAIRLY HIGH AT 20 TO 30 PERCENT AND
TEMPERATURES WILL REACH THE MID 50S TO MID 60S F...SO A CRITICAL
FIRE WEATHER THREAT IS NOT EXPECTED.
..LEVIT.. 10/25/2007
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...