Storm Prediction Center
Day 1 and Day 2 Fire Weather Outlooks
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 160756
STORM PREDICTION CENTER...NWS/NCEP...NORMAN OK
254 AM CDT WED APR 16 2003
DAY 1 FIRE WEATHER OUTLOOK...REF AWIPS GRAPHIC PMWE98 KWNS
VALID 161200-171200
...NO LARGE-SCALE SIGNIFICANT FIRE WEATHER CONDITIONS EXPECTED...
...SYNOPSIS...
AN INTENSE UPPER LOW OVER KS EARLY THIS MORNING WILL MOVE EWD TO
THE MIDDLE MS RIVER VALLEY BY 17/12Z WHILE SLOWLY WEAKENING.
ATTENDANT SURFACE CYCLONE PRODUCING WINDY CONDITIONS OVER MUCH OF
THE PLAINS REGION EARLY THIS MORNING WILL ALSO WEAKEN RESULTING IN
DIMINISHING WIND ACROSS MOST OF THE SRN PLAINS. A STRENGTHENING
SHORTWAVE RIDGE OVER THE CENTRAL/SRN ROCKIES WILL RESULT IN
SEASONABLY WARM AND DRY CONDITIONS ACROSS WRN TX AND NM.
...CENTRAL/WRN TX AND ERN NM...
INFLUENCE OF STRONG LOW-LEVEL WIND FIELD IN ASSOCIATED WITH THE
CENTRAL PLAINS CYCLONE WILL GRADUALLY DIMINISH THROUGHOUT THE DAY
AS SYSTEM FILLS AND MOVES FURTHER AWAY FROM THE DISCUSSION AREA.
WLY WINDS OF 15-30 MPH EXPECTED THIS MORNING WILL LESSEN TO 10-20
MPH OVER MOST SECTIONS BY MID AFTERNOON. THEREFORE...DESPITE VERY
LOW RH VALUES OF 8-15 PERCENT AND HIGH TEMPERATURES IN THE UPPER
70S TO MIDDLE 80S ACROSS A WIDE AREA OF ERN NM AND CENTRAL/WRN
TX...LESSENING OF WIND BY THE TIME OF MAXIMUM DAYTIME HEATING
SHOULD PRECLUDE ANY SIGNIFICANT FIRE WEATHER PROBLEMS.
..BANACOS.. 04/16/03
SPC FIRE WEATHER OUTLOOKS ARE AVAILABLE AT WWW.SPC.NOAA.GOV/FIRE
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ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 160754
STORM PREDICTION CENTER...NWS/NCEP...NORMAN OK
252 AM CDT WED APR 16 2003
DAY 2 FIRE WEATHER OUTLOOK...REF AWIPS GRAPHIC PMWI98 KWNS
VALID 171200-181200
...CRITICAL FIRE WEATHER AREA FOR PORTIONS OF THE SWRN CONUS AND
SRN HIGH PLAINS...
...SYNOPSIS...
DURING THE DAY 2 PERIOD...A STRONG 500MB TROUGH NEAR THE SRN CA
COAST AT 17/12Z WILL TRANSLATE VERY RAPIDLY EWD REACHING ERN CO BY
THE END OF THE FORECAST PERIOD. AN ASSOCIATED MID-LEVEL JET STREAK
OF 80-90 KT WILL TRACK ACROSS SRN AZ...CENTRAL/SRN NM...AND FAR WRN
TX DURING THE AFTERNOON AND EVENING HOURS.
...CRITICAL FIRE WEATHER AREA 1 - SERN AZ...SRN/ERN NM...AND
WRN/SWRN TX
PRIMARY CONDITIONS: WINDY / LOW RH VALUES
SWLY WINDS OF 15-30 MPH...WITH HIGHER GUSTS...WILL DEVELOP ACROSS
THE DISCUSSION AREA FROM WEST TO EAST DURING THE LATE MORNING AND
EARLY AFTERNOON HOURS AS STEEP LAPSE RATES AND INCREASING WIND
FIELDS ALOFT ENHANCE VERTICAL MIXING AND LOW-LEVEL WINDS. SURFACE
WINDS WILL LIKELY REMAIN STRONG ACROSS ERN NM/WRN TX THROUGH THE
OVERNIGHT PERIOD AS A SURFACE LOW DEEPENS RAPIDLY OVER WRN KS AND
THE MID-LEVEL SPEED MAX EMERGES INTO THE HIGH PLAINS REGION.
DESPITE THE POTENTIAL FOR SOME CLOUD COVER AND ISOLATED SHOWERS OR
THUNDERSTORMS OVER THE CRITICAL FIRE WEATHER AREA...MINIMUM RH
VALUES OF 10-15 PERCENT ARE GENERALLY EXPECTED...WITH POTENTIAL FOR
RAPID DRYING AS DOWNSLOPE FLOW DEVELOPS EAST OF CENTRAL NM
MOUNTAINS LATE IN THE AFTERNOON. OVERNIGHT RH RECOVERY WILL LIKELY
BE POOR /20-30 PERCENT/ ACROSS ERN NM AND WRN/SWRN TX WITH GRADIENT
WINDS REMAINING STRONG.
..BANACOS.. 04/16/03
SPC FIRE WEATHER OUTLOOKS ARE AVAILABLE AT WWW.SPC.NOAA.GOV/FIRE
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