Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 120655
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1255 AM CST FRI DEC 12 2008
VALID 121200Z - 131200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
A MAJOR PATTERN CHANGE IS UNDERWAY THIS MORNING AS A LARGE SCALE
UPPER TROUGH BEGINS TO SET UP IN THE WEST. THE MAIN JET CORE WILL
JUST BEGIN TO OVERSPREAD MUCH OF THE WEST...WITH STRONG WLY TO NWLY
UPPER LEVEL WINDS QUICKLY DIVING SSEWD. STRONG WINDS WILL REACH THE
SOUTHWESTERN STATES BY EARLY MORNING. MOISTURE AHEAD OF A LEADING
TROUGH CURRENTLY ORIENTED SW TO NE ACROSS NORTHERN CALIFORNIA AND
IDAHO WILL LIMIT CRITICALLY LOW RHS DESPITE STRONGER WINDS.
NEVERTHELESS...GUSTY SLY WINDS MAY BE POSSIBLE ACROSS THE SRN PLAINS
AHEAD OF THE SYSTEM...AND WILL BE JUXTAPOSED WITH MARGINAL RHS.
FARTHER E...THE UPPER TROUGH NEAR THE GREAT LAKES REGION...AND
ANOTHER LOW QUICKLY MOVING NEWD WILL BE MOVING OFFSHORE THE ATLANTIC
COAST BY EARLY SAT. BEHIND THE LOW IN THE SE...DRIER AIR WILL
ENTRAIN INTO THE AREA...AND NWLY WINDS NEAR 15 MPH WILL ALIGN WITH
MARGINALLY LOW RHS IN THE FL PANHANDLE. RECENT RAINFALL SHOULD HELP
TO MITIGATE THE THREAT.
..HURLBUT.. 12/12/2008
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 120753
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0153 AM CST FRI DEC 12 2008
VALID 131200Z - 141200Z
...CRITICAL FIRE WEATHER AREA FOR SERN NM/WRN TX AND OK/SWRN KS...
...SYNOPSIS...
A LONG WAVE TROUGH WILL AMPLIFY ACROSS THE WEST. STRONG WINDS WILL
OVERSPREAD THE SWRN STATES AROUND THE BASE OF THE TROUGH...WITH NWLY
WINDS IN MUCH OF CNTRL CA...WRN WINDS ACROSS SRN CA/NV/UT AND
AZ...AND SWLY WINDS INTO THE SRN PLAINS. IN GENERAL THE SYSTEM WILL
BRING AN INCREASE IN MOISTURE...AND RELATIVE HUMIDITIES WILL REMAIN
WELL ABOVE CRITICAL THRESHOLDS DESPITE THE INCREASE IN WINDS.
THE EXCEPTION WILL BE ACROSS PORTIONS OF THE SRN PLAINS AS LEE
CYCLOGENESIS OCCURS IN RESPONSE TO THE SYSTEM. SLY/SWLY WINDS WILL
INCREASE ACROSS SERN NM/WRN TX AND OK...AND SWRN KS...AND WILL ALIGN
WITH LOW RHS.
...CRITICAL FIRE WEATHER AREA - SERN NM/WRN TX AND OK/SWRN KS...
PRIMARY CONDITIONS: STRONG WINDS...LOW RH
LEE CYCLOGENESIS WILL INITIALLY OCCUR NEAR MT/WY...BUT LOW PRESSURE
WILL GRADUALLY SAG SWD THROUGH THE DAY AS ARCTIC HIGH PRESSURE
PUSHES INTO THE NRN PLAINS. A SURFACE LOW WILL BE LOCATED INVOF NERN
CO BY AFTERNOON...WITH A TROUGH EXTENDING SWD ROUGHLY THROUGH THE
CO/KS BORDERS...THEN SSWWD INTO FAR WRN TX. SLY/SWLY WINDS WILL
INCREASE THROUGHOUT THE DAY AS RELATIVE HUMIDITIES DROP. SUSTAINED
SPEEDS WILL BE NEAR 20 TO 25 MPH...WITH GUSTS NEAR 40 TO 50 MPH BY
AFTERNOON. ALTHOUGH RELATIVE HUMIDITIES WILL BE MARGINAL...GENERALLY
NEAR 20 TO 25 PERCENT...STRONG WINDS WILL HEIGHTEN THE FIRE THREAT.
RELATIVE HUMIDITIES IN FAR WRN TX WILL LIKELY BE CLOSER TO 15 TO 20
PERCENT.
..HURLBUT.. 12/12/2008
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...