Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 010709
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0109 AM CST THU MAR 01 2007
VALID 011200Z - 021200Z
...CRITICAL FIRE WEATHER AREA FOR MUCH OF TX...SERN NM...
...SYNOPSIS...
STRONG CYCLONE WILL SHIFT NEWD ACROSS THE UPPER MS VALLEY WITH
NEGATIVELY TILTED UPPER TROUGH. SURFACE COLD FRONT WILL EXTEND SWD
FROM THE LOW CENTER THROUGH THE MS VALLEY AT MIDDAY. COOLER AND
DRIER AIR WILL EXIST BEHIND THIS FRONT...WITH STRONG WINDS AND LOW
RH PRODUCING CRITICAL FIRE CONDITIONS OVER THE SRN PLAINS.
ELSEWHERE...MOISTURE LEVELS WILL INCREASE SIGNIFICANTLY ACROSS THE
SERN STATES AHEAD OF THE COLD FRONT WITH THREAT OF SEVERE WEATHER.
...CRITICAL FIRE WEATHER AREA - ALL OF WRN...CNTRL...AND SRN
TX...FAR SERN NM...
PRIMARY CONDITIONS: STRONG WINDS AND VERY LOW RH
SURFACE COLD FRONT WILL MOVE RAPIDLY OUT OF E TX EARLY THIS
MORNING...WITH HIGH PRESSURE BUILDING IN BEHIND. WLY WINDS WILL
QUICKLY INCREASE TO 15-25 MPH WITH HIGHER GUSTS...SUNNY SKIES AND
STRONG MIXING. VERY LOW DEWPOINTS AND HEATING WILL CAUSE RH LEVELS
TO REACH EXTREME LEVELS OVER MUCH OF THE AREA...WITH SINGLE DIGIT
READINGS COMMON FROM SERN NM ACROSS CNTRL AND SRN TX. HIGHER VALUES
OF 15-25 PERCENT WILL OCCUR OVER SERN TX...ALONG WITH STRONG WNWLY
WINDS.
THE GREATEST FIRE THREAT WILL BE ACROSS MUCH OF WCNTRL AND SWRN TX
WHERE KBDI VALUES ARE BETWEEN 500-700. DROUGHT INDICATORS ARE MUCH
LESS DRY ACROSS ERN TX...HOWEVER...LOW RH AND STRONG WINDS WILL POSE
A THREAT OF GRASS FIRES.
..JEWELL.. 03/01/2007
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 010830
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0230 AM CST THU MAR 01 2007
VALID 021200Z - 031200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
A BROAD UPPER TROUGH WILL STRETCH FROM THE ROCKIES TO THE E COAST
WITH LOW PRESSURE SYSTEM CENTERED OVER THE WRN GREAT LAKES FRI
AFTERNOON. A DRY AIR MASS WITH HIGH PRESSURE WILL EXTEND FROM THE
GREAT BASIN EWD ACROSS THE SRN ROCKIES AND SRN PLAINS WITH AN
AMPLIFYING SHORTWAVE TROUGH SINKING SWD INTO THE CNTRL ROCKIES LATE
IN THE PERIOD.
...SRN CA INTO SRN AZ...
AN UPPER RIDGE WILL BEGIN TO BUILD ALONG THE W COAST LATE IN THE
PERIOD FRI...AS A SWD MOVING SHORTWAVE EMBEDDED WITHIN LARGE SCALE
TROUGH DIVES SWD THROUGH THE CNTRL ROCKIES. THIS WILL HELP TO BRING
HIGH PRESSURE/COLD FRONT SWD THROUGH THE GREAT BASIN AND ACROSS
AZ/NM...TIGHTENING PRESSURE GRADIENTS. THIS WILL RESULT IN INCREASED
NLY/NELY FLOW OVER SWRN AZ INTO SRN CA. ENOUGH OF A GRADIENT WILL
EXIST FOR SANTA ANA WINDS LATE FRI INTO EARLY SAT OVER SRN
CA...HOWEVER...COOL TEMPERATURES WILL RESULT IN MARGINALLY LOW RH
VALUES. IN ADDITION TO MARGINALITY OF RH...EFFECTS OF RECENT
PRECIPITATION WILL LIKELY DAMPER OVERALL FIRE THREAT AT LEAST
THROUGH SAT MORNING...ALTHOUGH IT WILL BE ON THE INCREASE WITH TIME
AS DRY WEATHER PERSISTS.
...CNTRL AND SWRN TX...
A DRY AIR MASS WITH HIGH PRESSURE WILL RESIDE ACROSS TX WITH ONLY
WEAK WLY WINDS AROUND 10 MPH. MIN RH VALUES WILL REMAIN QUITE LOW
FROM 10-20 PERCENT WITH WARMING TEMPERATURES INTO THE 60S AND LOWER
70S. GIVEN STEEP LOW LEVEL LAPSE RATES DURING THE AFTERNOON AND LOW
RH...FIRE THREAT WILL BE HEIGHTENED WITH POSSIBLE FLARE UPS OF ANY
EXISTING FIRES.
..JEWELL.. 03/01/2007
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...