Storm Prediction Center
Day 1 and Day 2 Fire Weather Outlooks
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 180641
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0141 AM CDT MON APR 18 2005
VALID 181200Z - 191200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
UPPER TROUGH WILL SAG SWD INTO THE GREAT BASIN WITH DEVELOPING UPPER
LOW...AND WILL CAUSE WINDS TO INCREASE AHEAD OF A COLD FRONT THAT
WILL EXTEND FROM CENTRAL WY SWWD INTO CENTRAL UT / SRN NV THIS
AFTERNOON. DRY AND WINDY CONDITIONS WILL PREVAIL IN THESE AREAS.
FARTHER E...UPPER RIDGE WILL REMAIN IN PLACE WITH LARGE AREA OF HIGH
PRESSURE AT THE SURFACE...KEEPING RH LOW OVER THE SERN STATES BUT
WITH LIGHT WINDS.
...SRN GA / N-CENTRAL FL / FL PANHANDLE...
WARM AND DRY CONDITIONS WILL CONTINUE DUE TO HIGH PRESSURE CENTERED
OVER THE AREA. TEMPERATURES WILL RISE TO NEAR 80 DEGREES WITH MIN RH
VALUES OF 20-25 PERCENT SRN GA / NRN FL. WINDS WILL BE LIGHT HOWEVER
WHICH WILL LIMIT POTENTIAL SPREAD RATES.
FARTHER SOUTH INTO CENTRAL FL...WINDS WILL BE STRONGER BUT STILL
ONLY AVERAGE 10 MPH OUT OF THE EAST. RH LEVELS WILL DECREASE TO
30-35 PERCENT DURING THE AFTERNOON HOURS. GOOD RH RECOVERY WILL
OCCUR AFTER SUNSET AREAWIDE. COMBINATION OF LOW KBDI VALUES ALONG
WITH DECREASED WIND SPEEDS WILL HELP TO MITIGATE THREAT OF
SIGNIFICANT WILD FIRES TODAY.
...SRN WY / WRN CO / SERN UT / AZ / NM...
IT WILL BE DRY AND WINDY AHEAD OF AN APPROACHING COLD FRONT TODAY.
THIS FRONT WILL EXTEND FROM SRN WY ACROSS THE WASATCH AND INTO SRN
NV THIS AFTERNOON AND WILL NOT BE MOVING FAST. MIN RH VALUES E OF
COLD FRONT WILL AVERAGE 10-15 PERCENT FROM SRN CA NEWD INTO SRN WY.
EXPECT SUSTAINED SWLY SPEEDS OF 20-25 MPH WITH HIGHER GUSTS.
..JEWELL.. 04/18/2005
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 180642
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0142 AM CDT MON APR 18 2005
VALID 191200Z - 201200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
A STRONG UPPER LOW WILL BE SITUATED OVER THE GREAT BASIN ON
TUESDAY...WITH A STRONG COLD FRONT EXTENDING EWD ACROSS THE WY/CO
BORDER INTO CENTRAL MN. SOUTH OF THIS FRONT...IT WILL BE WARM AND
DRY. STRONG WINDS WILL DEVELOP ACROSS AZ/NM/CO/TX/OK/KS DUE TO
GRADIENT BETWEEN DEEPENING LOW PRESSURE OVER CO AND STRONG SERN U.S.
HIGH...MAKING FOR NEAR CRITICAL FIRE WEATHER CONDITIONS OVER PARTS
OF AZ AND NM.
FARTHER E...HIGH PRESSURE WILL REMAIN OVER THE SERN STATES WITH
LIGHT WINDS AND LOW RH.
...MUCH OF AZ / NM / SRN CO / FAR W TX...
IT WILL BECOME VERY WINDY ON TUESDAY WITH STRONG WINDS ALOFT MIXING
DOWN TO THE SURFACE. SWLY SPEEDS OF 20-30 MPH WILL BE COMMON WITH
HIGHER GUSTS. SUSTAINED WINDS WILL BE STRONGEST OVER NRN AZ...WHERE
SPEEDS WILL LIKELY BE FROM 30-40 MPH. RH LEVELS WILL AVERAGE NEAR 15
PERCENT MOST PLACES...ALTHOUGH TEMPERATURES WILL NOT BE HOT.
ALTHOUGH LOCALLY DRY FUEL CONDITIONS MAY EXIST ON THE SMALL
SCALE...COMBINATION OF RECENT PRECIPITATION OVER NM AND CO...ALONG
WITH ABOVE NORMAL GREENNESS OVER SW TX / SERN NM AND PORTIONS OF AZ
WILL MITIGATE WILD FIRE THREAT ON THE LARGE SCALE.
...SERN STATES...
RH VALUES WILL BEGIN TO RISE A BIT ON TUESDAY...AS AIR MASS
ASSOCIATED WITH HIGH PRESSURE MODIFIES. VALUES OF 25-30 PERCENT
STILL APPEAR LIKELY OVER GA AND NRN FL...BUT WINDS WILL BE LIGHT.
..JEWELL.. 04/18/2005
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
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