Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 250837
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0237 AM CST SUN FEB 25 2007
VALID 251200Z - 261200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
POWERFUL AND LARGE CYCLONE CENTERED OVER IA WILL GRADUALLY WEAKEN AS
IT BECOMES CUT OFF FROM STRONGER WLY MID/UPPER-LEVEL FLOW ACROSS THE
SRN CONUS. AS THE FLOW REGIME OVER THE CONUS DEAMPLIFIES...A SERIES
OF WEAK IMPULSES WILL CROSS THE GREAT BASIN/CNTRL ROCKIES AS INTENSE
WLYS EXPAND EWD FROM NRN CA. THE LEAD IMPULSE WILL INDUCE A LEE
TROUGH OVER THE SRN HIGH PLAINS LATE THIS AFTERNOON.
...SERN NM/FAR WRN AND SWRN TX...
MODEST W/SWLY DOWNSLOPE FLOW IS EXPECTED THROUGH MOST OF THE
DAY...WARMING TEMPERATURES COMPARED TO SATURDAY AND MAINTAINING VERY
DRY CONDITIONS. TEMPERATURES WILL REACH THE 50S OVER THE MTNS WITH
60S FURTHER E ACROSS THE PLAINS. WITH DEW POINTS HOLDING IN THE
SINGLE DIGITS...RH VALUES WILL DROP TO 6 TO 12 PERCENT. MODEL
GUIDANCE IS CONSISTENT WITH RAPIDLY INCREASING LOW/MID-LEVEL FLOW
AROUND 00Z/MON. THIS SHOULD RESULT IN SUSTAINED SURFACE WINDS OF 15
TO 20 MPH WITH LOCALIZED/BRIEF CRITICAL CONDITIONS IN THE EARLY
EVENING.
..GRAMS.. 02/25/2007
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 250934
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0334 AM CST SUN FEB 25 2007
VALID 261200Z - 271200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
INITIALLY QUASI-ZONAL MID-LEVEL FLOW WILL GRADUALLY BECOME MORE
AMPLIFIED BY EARLY TUE AS A LARGE-SCALE TROUGH DEVELOPS ALONG THE
PACIFIC NW COAST. BENEATH THE BELT OF STRONG MID-LEVEL WLYS...A WEAK
LOW PRESSURE SYSTEM SHOULD BE CENTERED OVER OK MON MORNING. THIS LOW
WILL TRACK QUICKLY EWD TOWARDS THE SERN CONUS. IN THE WAKE OF THIS
SYSTEM...WLY SFC WINDS WILL HELP EXPAND A DRY AIR MASS ACROSS MUCH
OF TX.
...MUCH OF WRN/CNTRL TX AND SERN NM...
RH VALUES WILL BECOME QUITE LOW ONCE AGAIN ALONG THE HIGH PLAINS OF
TX/NM...AS WELL AS FURTHER E INTO CNTRL TX WITH A WLY LOW-LEVEL JET
ADVECTING DRY AIR EWD LATE SUN INTO EARLY MON. WIDESPREAD RH BELOW
20 PERCENT IS LIKELY DURING THE AFTERNOON WITH TEMPERATURES WARMING
MAINLY INTO THE 70S. ALTHOUGH A BROAD AREA OF 40+ MPH LOW-LEVEL
WINDS SHOULD EXIST AROUND 12Z MON...MODEL GUIDANCE IS INSISTENT ON
DIMINISHING WINDS RAPIDLY THROUGH THE LATE MORNING INTO THE
AFTERNOON. AS LOW-LEVEL LAPSE RATES STEEPEN DURING THE DAY AND
MECHANICAL MIXING ENSUES...A BRIEF PERIOD OF JUXTAPOSITION WITH
CRITICALLY LOW RH AND SUSTAINED WINDS AROUND 20 MPH MAY RESULT.
PORTIONS OF THE AREA MAY BE UPGRADED IN THE DAY 1 OUTLOOK IF IT
APPEARS A LONGER DURATION OF STRONGER SURFACE WINDS WILL OCCUR.
..GRAMS.. 02/25/2007
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...