Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 130911
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0311 AM CST THU NOV 13 2008
VALID 131200Z - 141200Z
...CRITICAL FIRE WEATHER AREA FOR PARTS OF SRN CA...
...SYNOPSIS...
AN EXPANSIVE UPPER TROUGH WILL REMAIN RELATIVELY FIXED OVER THE
CENTRAL CONUS. AN UPPER RIDGE WILL BUILD FURTHER IN AREAS JUST
ALONG AND OFFSHORE THE W COAST STATES. SURFACE HIGH PRESSURE WILL
CONTINUE TO MOVE INTO THE GREAT BASIN CONCURRENTLY AS A SURFACE
PRESSURE TROUGH AND LOW LEVEL THERMAL RIDGE DEVELOP ALONG THE CA
COAST. THIS WILL LEAD TO A STRENGTHENING PRESSURE GRADIENT WITH DRY
OFFSHORE WINDS. CRITICAL FIRE WEATHER CONDITIONS WILL PROBABLY
BEGIN IN THE LATE OVERNIGHT HOURS THURSDAY NIGHT/EARLY FRIDAY
MORNING. FURTHER E...SOME GUSTY SWLY WINDS MAY DEVELOP OVER PARTS
OF THE SRN HIGH PLAINS AHEAD OF A WEAK LEE-SIDE SURFACE TROUGH
EXTENDING SWD TOWARDS THE AREA. RH MAY FALL INTO THE TEENS DURING
PEAK HEATING BUT MARGINAL SUSTAINED WINDS WILL TEMPER THE POTENTIAL
FOR CRITICAL FIRE WEATHER CONDITIONS.
...CRITICAL FIRE WEATHER AREA - PARTS OF SRN CA...
PRIMARY CONDITIONS: STRONG WINDS / LOW RH
STRENGTHENING OFFSHORE FLOW DURING THE EVENING/OVERNIGHT HOURS ALONG
WITH LOW RH WILL LEAD TO CRITICAL CONDITIONS BEGINNING OVER PARTS OF
SRN CA LATE IN THE PERIOD /09-12Z FRIDAY/ ACCORDING TO THE LATEST
ENSEMBLE OUTPUT. IT IS EXPECTED THAT STRONG SUSTAINED NELY WINDS
/20-30 MPH/ AND LOW RH /TEENS/ WILL PROBABLY OCCUR WITH WIND PRONE
AREAS SUCH AS THROUGH PASSES AND CANYONS LIKELY EXPERIENCING HIGHER
GUSTS /APPROACHING 50 MPH/.
..SMITH.. 11/13/2008
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 130914
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0314 AM CST THU NOV 13 2008
VALID 141200Z - 151200Z
...CRITICAL FIRE WEATHER AREA FOR PARTS OF SRN CA...
...SYNOPSIS...
A LARGE UPPER TROUGH WILL BEGIN TO SHIFT SLOWLY EWD OVER PARTS OF
THE MIDWEST AS AN ELONGATED UPPER DISTURBANCE DIVES SEWD OVER THE
ROCKIES/HIGH PLAINS AND MOVES TOWARDS THE OHIO VALLEY REGION. AN
UPPER RIDGE WILL MOVE EWD AND BE CENTERED NEAR THE CA COAST BY THE
END OF THE PERIOD. A MODERATE SURFACE PRESSURE GRADIENT WILL
STRENGTHEN FURTHER DURING THE OVERNIGHT HOURS AS HIGH PRESSURE
CONTINUES TO BUILD ACROSS MUCH OF THE WEST BEHIND THE CENTRAL U.S.
UPPER TROUGH. AS A RESULT...A DRY OFFSHORE WIND EVENT IS LIKELY
DURING THE PERIOD OVER PARTS OF SRN CA.
...CRITICAL FIRE WEATHER AREA - PARTS OF SRN CA...
PRIMARY CONDITIONS: STRONG WINDS / LOW RH
A SIGNIFICANT OFFSHORE EPISODE IS EXPECTED DURING THE DAY 2 PERIOD.
THE PEAK OF THE EVENT WILL LIKELY OCCUR DURING THE FRIDAY
NIGHT/SATURDAY MORNING PERIOD AS 850-650MB WINDS WILL BECOME MORE
OPTIMALLY ALIGNED IN THE LOW TO MID-LEVEL PROFILE. SUSTAINED WINDS
20-40 MPH WILL PROBABLY OCCUR WITH LOCALIZED GUSTS IN WIND PRONE
AREAS APPROACHING 60 MPH. ANOMALOUSLY WARM HIGH TEMPERATURES
POSSIBLY REACHING THE LOWER 90S F DEG ALONG WITH CONTINUED DOWNSLOPE
WARMING/DRYING WILL SUPPORT LOW RH /TEENS INTO UPPER SINGLE DIGITS/
WITH MINIMAL RH RECOVERY.
..SMITH.. 11/13/2008
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...