Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 250919
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0419 AM CDT FRI MAY 25 2007
VALID 251200Z - 261200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
LARGE-SCALE PATTERN WILL DE-AMPLIFY WITH STRONGER MID-LEVEL WLYS
BECOMING MORE ZONAL AND CONFINED TO THE NRN CONUS. THIS WILL HELP
MAINTAIN A SLOW WEAKENING OF THE EXPANSIVE LOW/MID-LEVEL ANTICYCLONE
CENTERED ACROSS THE CAROLINAS/SRN APPALACHIANS. MEANWHILE...A
VIGOROUS IMPULSE AND ASSOCIATED LOW/MID-LEVEL CYCLONE WILL TRACK
SLOWLY EWD ACROSS THE NRN ROCKIES ONTO THE NRN PLAINS BY SAT
MORNING.
...W-CNTRL FL...
DESPITE A GRADUAL RELAXING OF THE SURFACE PRESSURE
GRADIENT...SUSTAINED ELY WINDS OF 15 TO 20 MPH APPEAR LIKELY BENEATH
A 25 TO 30 MPH LOW-LEVEL JET. AFTERNOON TEMPERATURES WILL REMAIN
WARM /MIDDLE 80S/ WITH AT LEAST PARTIAL INSOLATION...TEMPERED
SOMEWHAT BY INCREASED BOUNDARY LAYER CU COMPARED TO THE PAST FEW
DAYS. IR SATELLITE IMAGERY INDICATES SUBSTANTIAL UPSTREAM LOW-LEVEL
CLOUDINESS BEING ADVECTED WWD FROM THE WRN ATLANTIC BASIN. THIS
SHOULD RESULT IN MARGINAL RH VALUES THIS AFTERNOON AND THUS NO
LONGER WARRANTING A CRITICAL AREA AS IN THE PAST FEW DAYS. POCKETS
OF RH NEAR 35 PERCENT SHOULD DEVELOP WHERE THE GREATEST DAYTIME
HEATING CAN OCCUR...LEADING TO LOCALIZED/RELATIVELY BRIEF CRITICAL
CONDITIONS.
...S-CNTRL WY...
STRONG MID-LEVEL WINDS /FROM 45 TO 55 MPH AT 500 MB/ WILL DEVELOP
THIS AFTERNOON AS A SHORT WAVE TROUGH CROSSES MT/NRN WY. STEEP
LOW-LEVEL LAPSE RATES WILL PROMOTE DEEP MIXING AND SHOULD RESULT IN
SUSTAINED WLY SURFACE WINDS FROM 20 TO 30 MPH. ALTHOUGH TEMPERATURES
WILL WARM CLOSER TO NORMAL /THROUGH THE 60S/...RH VALUES SHOULD
REMAIN MARGINAL /AROUND 15 TO 20 PERCENT/.
..GRAMS.. 05/25/2007
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 250924
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0424 AM CDT FRI MAY 25 2007
VALID 261200Z - 271200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
A MODEST MID-LEVEL FLOW REGIME WILL CONTINUE OVER THE SRN CONUS...AS
STRONGER WLYS REMAIN ACROSS THE NRN THIRD OF THE CONUS.
A BROAD LOW/MID-LEVEL ANTICYCLONE WILL REMAIN ENTRENCHED OVER THE
LOWER MID-ATLANTIC/SOUTHEAST. ACROSS THE NRN CONUS...A SHORT WAVE
TROUGH WILL MOVE SLOWLY EWD OVER THE UPPER MS RIVER VALLEY TOWARDS
THE UPPER GREAT LAKES. FARTHER WEST...ANOTHER SHORT WAVE TROUGH
SHOULD REACH THE PACIFIC NW COAST BY SUN MORNING.
...W-CNTRL FL...
ELY LOW-LEVEL FLOW WILL PERSIST YET AGAIN WITH HIGH PRESSURE
ANCHORED OVER THE CAROLINAS. MODEL FORECASTS CONTINUE TO INDICATE
THIS FLOW GRADUALLY WEAKENING FROM THE PAST SEVERAL DAYS. SUSTAINED
SURFACE WINDS WILL STILL LIKELY REACH 15 MPH. AS ON DAY 1...AT LEAST
SCATTERED CU SHOULD MODULATE DIURNAL DRYING. POCKETS OF AFTERNOON RH
NEAR 35 PERCENT SHOULD RESULT IN LOCALIZED/BRIEF CRITICAL
CONDITIONS.
..GRAMS.. 05/25/2007
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...