Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 240836
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0336 AM CDT THU APR 24 2008
VALID 241200Z - 251200Z
...CRITICAL FIRE WEATHER AREA FOR ERN AZ...NM...SWRN TX...EXTREME
SWRN OK...OK/TX PANHANDLES...SERN CO...
...CRITICAL FIRE WEATHER AREA FOR LOWER MI...
...CRITICAL FIRE WEATHER AREA FOR MUCH OF NEW ENGLAND AND ERN NY...
...SYNOPSIS...
AN UPPER TROUGH AXIS WILL MOVE INTO THE NRN ROCKIES BY
AFTERNOON...CAUSING LOW PRESSURE TO DEEPEN OVER ERN CO AND WRN KS. A
STRONG PRESSURE GRADIENT ACROSS THE SRN PLAINS/ROCKIES WILL RESULT
IN STRONG WINDS..AND WILL BRING WARM AND DRY AIR NWD.
TO THE E...AN UPPER RIDGE WILL EXIST WITH AN EXPANSIVE AREA OF HIGH
PRESSURE FROM THE GREAT LAKES INTO NEW ENGLAND SWD INTO THE MID
ATLANTIC. WIDESPREAD DRY CONDITIONS WILL RESULT. GUSTY WINDS BEHIND
A COLD FRONT WILL RESULT IN CRITICAL FIRE CONDITIONS FOR PORTIONS OF
NEW ENGLAND WHILE STRONG SLY WINDS IN ADVANCE OF THE PLAINS LOW
CAUSES HAZARDOUS FIRE CONDITIONS OVER LOWER MI.
...CRITICAL FIRE WEATHER AREA - ERN AZ...NM...SWRN TX...EXTREME SWRN
OK...OK/TX PANHANDLES...SERN CO...
PRIMARY CONDITIONS: STRONG WINDS AND VERY LOW RH
AS THE BASE OF THE UPPER TROUGH MOVES OVERHEAD...WINDS WILL INCREASE
TO 20-30 MPH OUT OF THE WEST WITH HIGHER GUSTS. A VERY DRY AIR MASS
IS ALREADY IN PLACE...AND STRONG MIXING WILL RESULT IN MIN RH
READINGS IN THE SINGLE DIGITS AND LOWER TEENS. THE COMBINATION OF
STRONG WINDS AND LOW RH...COMBINED WITH VERY DRY FUELS WILL RESULT
IN POTENTIALLY DANGEROUS FIRE BEHAVIOR THIS AFTERNOON. IN
ADDITION...ALTHOUGH WINDS WILL DECREASE OVERNIGHT...RH RECOVERY WILL
VERY QUITE POOR...SUGGESTING THE FIRE THREAT COULD CONTINUE.
SOME AREAS OF FAR ERN NM AND WRN TX RECEIVED SUBSTANTIAL RAINFALL ON
WED...AND THOSE AREAS HAVE BEEN CUT OUT OF THE CRITICAL AREA. PLEASE
SEE GRAPHIC FOR MORE DETAIL.
...CRITICAL FIRE WEATHER AREA - LOWER MI...
PRIMARY CONDITIONS: STRONG WINDS AND LOW RH
A HIGH PRESSURE CENTER WILL SHIFT JUST E OF THE AREA TODAY...WHILE
LOW PRESSURE DEEPENS TO THE W. THIS WILL INCREASE THE PRESSURE
GRADIENT AND WINDS...WITH 15-20 MPH SELY WINDS LIKELY. MIN RH VALUES
WILL LARGELY BE IN THE 20 PERCENT RANGE AS TEMPERATURES RISE INTO
THE 70S. ALTHOUGH KBDI VALUES ARE NOT HIGH...RECENT DRYNESS HAS
CONTRIBUTED TO AREAS OF DRYING FUELS AND THUS A FIRE THREAT GIVEN
THE WIND/RH COMBINATION.
...CRITICAL FIRE WEATHER AREA - MUCH OF NEW ENGLAND AND ERN NY...
PRIMARY CONDITIONS: GUSTY WINDS AND LOW RH
IN A POST FRONTAL REGIME...NWLY WINDS OF 15-20 MPH ARE LIKELY. SOME
SHOWERS OCCURRED WITH THURSDAYS COLD FRONT PASSAGE...BUT OVERALL QPF
AMOUNTS WERE LOW. SUNSHINE...TEMPERATURES IN THE 60S TO 70S AND MIN
RH IN THE 20 PERCENT RANGE SUGGEST A CRITICAL FIRE THREAT FOR AREAS
WHERE FUELS ARE DRIEST. WINDS WILL DECREASE BY EARLY EVENING WITH
COOL OVERNIGHT TEMPERATURES.
...PORTIONS OF WRN TX...
VERY WARM...WINDY AND DRY CONDITIONS WILL PREVAIL OVER ALL OF WRN TX
TODAY AS LOW PRESSURE DEEPENS TO THE N. HIGH TEMPERATURES IN THE
80-90 RANGE ALONG WITH MIN RH IN THE TEENS WILL OCCUR. SWLY WINDS
WILL INCREASE TO 20-25 MPH WITH HIGHER GUST. THE MITIGATING FACTOR
TO A CRITICAL THREAT IS THE RECENT PRECIPITATION...SOME OF WHICH WAS
QUITE HEAVY. AREAS INCLUDING THE HILL COUNTRY DID NOT HAVE MUCH
PRECIPITATION...HOWEVER...RH VALUES WILL NOT BE AS LOW HERE...MAINLY
HOLDING ABOVE 30-40 PERCENT.
...SERN STATES...
PRESENCE OF HIGH PRESSURE TO THE E WILL MAINTAIN RELATIVELY DRY
WEATHER CONDITIONS...WITH HIGHS IN THE 70S AND 80S AND MODERATELY
LOW RH VALUES OF 30-40 PERCENT. AN ELY WIND NEAR 15 MPH WILL
BLOW...AND MAY CONTRIBUTE TO AN ELEVATED FIRE THREAT ESPECIALLY
INLAND WHERE IT IS POSSIBLE THAT RH COULD DROP INTO THE 30 PERCENT
RANGE FOR A FEW HOURS. GIVEN THIS AND ONLY MARGINAL KBDI VALUES...A
LARGE SCALE CRITICAL THREAT IS NOT EXPECTED.
..JEWELL.. 04/24/2008
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 240930
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0430 AM CDT THU APR 24 2008
VALID 251200Z - 261200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
AN UPPER TROUGH WILL CONTINUE TO MOVE EWD FROM THE NRN PLAINS INTO
THE UPPER MS VALLEY/MIDWEST...WITH SURFACE LOW OVER NRN WI AT 00Z. A
COLD FRONT WILL TRAIL SWD ACROSS IL INTO AR AND S CNTRL TX...WITH
COOL BUT DRY AIR ACROSS THE CNTRL PLAINS WITH HIGH PRESSURE. ANOTHER
AREA OF HIGH PRESSURE WILL EXTEND FROM THE GREAT BASIN ACROSS THE
ROCKIES...AND WILL HELP TO PRODUCE EXTREMELY DRY WEATHER FOR ALL OF
THE SWRN STATES. TO THE E...A LARGE AREA OF HIGH PRESSURE OVER THE
WRN ATLANTIC WILL CONTINUE TO AFFECT THE SERN STATES WITH MILD BUT
DRY WEATHER.
...ERN NM INTO WRN TX...
A COLD FRONT WILL EXTEND FROM CNTRL OK INTO SWRN TX FRI
MORNING...AND WILL SURGE SWD DURING THE DAY. NLY WIND OF 15-20 MPH
ARE EXPECTED...BUT TEMPERATURES WILL BE A BIT COOLER. BY LATE
AFTERNOON...WINDS WILL LIKELY DIE DOWN TO 10-15 MPH...BUT RH WILL BE
LOWER AND NEAR 15 PERCENT AT PEAK HEATING WHEN TEMPERATURES REACH
THE 70S. THIS SHOULD RESULT IN A NEAR CRITICAL FIRE THREAT GIVEN THE
COOLER TEMPERATURES AND MODERATE WINDS.
...SRN CA INTO AZ...
LOCALLY GUSTY OFFSHORE WINDS WILL BE ONGOING FRI MORNING OVER SRN
CA...DUE TO HIGH PRESSURE TO THE N. THE AIR MASS WILL BE VERY DRY
AND MIN RH WILL BE IN THE SINGLE DIGITS IN MANY AREAS BY AFTERNOON.
WINDS WILL RELAX SOMEWHAT DURING THE DAY BUT THE EXTREME DRYNESS AS
WELL AS A HIGH HAINES INDEX WILL KEEP THE FIRE THREAT ELEVATED.
OVERNIGHT...LOCALLY GUSTY NLY WINDS MAY OCCUR NEAR THE COASTAL
RANGE...BUT SPEEDS ARE NOT EXPECTED TO REACH CRITICAL INTENSITIES.
...SERN STATES...
IT WILL REMAIN WARM AND RELATIVELY DRY DURING THE AFTERNOON AS HIGH
PRESSURE CONTINUES TO KEEP RH DOWN. MIN VALUES WILL REACH THE 30
PERCENT RANGE MAINLY ACROSS THE CAROLINAS AND GA...AS WELL AS THE FL
PANHANDLE.
..JEWELL.. 04/24/2008
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...