Storm Prediction Center
Day 1 and Day 2 Fire Weather Outlooks
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 310821
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0221 AM CST SAT DEC 31 2005
VALID 311200Z - 011200Z
...CRITICAL FIRE WEATHER AREA FOR SRN AND ERN OK, CENTRAL NRN AND
WRN TX, SERN NM...
...SYNOPSIS...
ZONAL FLOW OVER SRN U.S. WILL INDUCE A LEE TROUGH TO DEVELOP OVER
THE CENTRAL AND SRN HIGH PLAINS...AND WILL INDUCE WARM SLY FLOW TO
DEVELOP. THIS WILL ALLOW FOR LOWERING RH VALUES AS WELL AS GUSTY
WINDS FOR CRITICAL FIRE CONDITIONS. TO THE WEST...A STRONG UPPER
SHORTWAVE WILL MOVE EWD ACROSS THE GREAT BASIN AND INTO THE SRN
ROCKIES BY SUNDAY MORNING...SETTING THE STAGE FOR EXTREMELY CRITICAL
CONDITIONS INTO THE SRN PLAINS SUNDAY AFTERNOON.
...CRITICAL FIRE WEATHER AREA 1 - SRN AND ERN OK, CENTRAL NRN AND
WRN TX, SERN NM...
PRIMARY CONDITIONS: INCREASING SLY WINDS / LOW RH / WARM
TEMPERATURES / DROUGHT
...SERN HALF OF OK / EXTREME WRN AR / NRN AND WRN TX / SERN NM...
A RETURN TO WARMER TEMPERATURES AND LOWERING RH WILL CAUSE CRITICAL
FIRE CONDITIONS TO MATERIALIZE DURING THE AFTERNOON
HOURS...ESPECIALLY OVER OK AND NERN TX WHERE WORST DROUGHT
CONDITIONS EXIST. SUSTAINED SLY WIND SPEEDS OF 15-20 MPH WILL OCCUR
OVER OK AND MUCH OF TX WITH GUSTS OF 20-25 MPH. FARTHER
WEST...STRONGER WINDS WILL BE LIKELY INTO THE HIGHER TERRAIN OVER
SERN NM AND FAR WEST TX NEAR GUADALUPE PASS. RH LEVELS WILL RANGE
FROM NEAR 15 PERCENT NM/FAR W TX WITH TEMPERATURES IN THE MID TO
UPPER 70S TO 20-30 PERCENT ERN OK AND NERN TX WITH HIGH TEMPERATURES
OF 65-70.
OVERNIGHT...WINDS WILL CONTINUE TO BE GUSTY AT 15-20 MPH AS EFFECTS
OF APPROACHING UPPER SYSTEM ARE FELT. CONTINUED MIXING WILL HELP
KEEP TEMPERATURES IN THE 45-55 DEGREE RANGE WITH ONLY FAIR RH
RECOVERY.
..JEWELL.. 12/31/2005
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 310821
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0221 AM CST SAT DEC 31 2005
VALID 011200Z - 021200Z
...EXTREMELY CRITICAL FIRE WEATHER AREA FOR CENTRAL AND ERN OK /
MUCH OF NRN TX...
...CRITICAL FIRE WEATHER AREA FOR ERN NM OK CENTRAL AND NRN TX...
...SYNOPSIS...
A FAST MOVING UPPER SHORTWAVE TROUGH WILL AMPLIFY AS IT MOVES INTO
THE CENTRAL PLAINS SUNDAY. AT THE SURFACE...A LOW WILL FORM AND
DEEPEN AS IT MOVES EWD ACROSS KS AND NRN OK. A STRONG PRESSURE
GRADIENT WILL EXIST WITH THIS LOW AND WILL CAUSE VERY STRONG WINDS
TO OCCUR ACROSS THE SRN PLAINS. A DRY AIR MASS IS ALREADY IN
PLACE...THUS RH LEVELS WILL BECOME CRITICALLY LOW DURING THE
DAYTIME. ELSEWHERE...ANOTHER STRONG TROUGH WILL APPROACH THE CA
COAST MONDAY MORNING BRINGING HEAVY PRECIPITATION. THIS SAME TROUGH
WILL HAVE THE POTENTIAL TO PRODUCE CRITICAL CONDITIONS OVER THE SRN
PLAINS ON TUESDAY.
...EXTREMELY CRITICAL FIRE WEATHER AREA 1 - CENTRAL AND ERN OK /
MUCH OF NRN TX...
PRIMARY CONDITIONS: VERY STRONG WINDS / LOW RH / EXCEPTIONAL DROUGHT
CONDITIONS
THE POTENTIAL FOR WILD FIRES TO BURN OUT OF CONTROL WILL BE
EXTREMELY HIGH SUNDAY...WITH VERY STRONG WINDS AND LOW RH. SWLY
WINDS WILL INCREASE QUICKLY AFTER SUNRISE AND CONTINUE TO STRENGTHEN
DURING THE DAY...REACHING SUSTAINED LEVELS OF 25-35 MPH WITH GUSTS
TO 40 MPH. TEMPERATURES WILL WARM TO NEAR RECORD HIGHS IN THE 70S
AND LOWER 80S WHICH WILL ALLOW RH LEVELS TO RAPIDLY FALL INTO THE
UPPER TEENS/LOWER 20S WRN AREAS TO THE 20S AND LOWER 30S ERN AREAS.
AS UPPER SHORTWAVE AND SURFACE LOW SHIFT EWD...SURFACE WINDS WILL
VEER AROUND TO A WLY AND NWLY DIRECTION DURING THE EVENING AND INTO
THE NIGHT. SPEEDS WILL REMAIN AT 15-20 MPH WITH HIGHER GUSTS AT
LEAST THROUGH MIDNIGHT RESULTING IN SLOW RH RECOVERY.
...CRITICAL FIRE WEATHER AREA 2 - ERN NM / WRN TX / WRN OK AS WELL
EXTREME WRN AR AND THE TX HILL COUNTRY...
PRIMARY CONDITIONS: STRONG WINDS / LOW RH / DROUGHT
CONDITIONS ACROSS ERN NM / WRN TX WILL DETERIORATE QUICKLY AFTER
SUNRISE WITH WLY WINDS OF 25-40 MPH AND HIGHER GUSTS. RH WILL LOWER
TO NEAR 15 PERCENT WITH TEMPERATURES WELL INTO THE 70S. FARTHER SE
INTO THE HILL COUNTRY OF TX...WINDS OF 15-20 MPH ARE EXPECTED WITH
RH OF 20-30 PERCENT.
CRITICAL AREA TWO ALSO EXTENDS JUST E OF THE EXTREME AREA INTO WRN
AR AND PORTIONS OF ERN TX...WHERE RH LEVELS WILL BE HIGHER AT 30-40
PERCENT AND WINDS WEAKER AT 15-20 MPH. FUELS ARE EXTREMELY DRY IN
THESE AREAS THUS THREAT REMAINS.
..JEWELL.. 12/31/2005
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
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