Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 240737
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0237 AM CDT WED JUN 24 2009
VALID 241200Z - 251200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
AN UPPER-LEVEL HIGH WILL CONTINUE TO RETROGRADE WWD INTO THE SRN
HIGH PLAINS BY EARLY THU. QUASI-STATIONARY UPPER-LEVEL LOW OFF THE
SRN CA COAST SHOULD BEGIN A GRADUAL EWD ACCELERATION LATE IN THE
PERIOD...AIDED BY A VIGOROUS NRN STREAM SHORT WAVE TROUGH ENTERING
WA/BRITISH COLUMBIA.
...SRN SIERRA MTNS/WRN MOJAVE DESERT/ANTELOPE AND SAN JOAQUIN
VALLEYS OF CA...
24/00Z GFS/NAM FORECASTS HAVE BACKED OFF WITH THE AMPLITUDE OF
MID-LEVEL MOISTENING FROM THE GULF OF CA/SONORA. ALTHOUGH THEY STILL
REMAIN FARTHER WEST THAN THE ECMWF WITH THE PLACEMENT OF 700 MB DEW
POINTS AOA 0 DEG C AT 25/12Z. A FEW HIGH-BASED TSTMS MAY FORM OVER
THE SRN SIERRAS AT PEAK HEATING IN THE LATE AFTERNOON.
ELSEWHERE...THE POTENTIAL FOR POSITIVE BUOYANCY ATOP A RESIDUAL
DEEPLY-MIXED SUB-CLOUD LAYER EARLY THU MORNING APPEARS LOWER THAN IN
PREVIOUS FORECASTS. THUS...NOCTURNAL TSTM ACTIVITY SHOULD REMAIN NIL
TO VERY ISOLATED.
..GRAMS.. 06/24/2009
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 240901
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0401 AM CDT WED JUN 24 2009
VALID 251200Z - 261200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
PERSISTENT UPPER-LEVEL HIGH WILL REMAIN ANCHORED ACROSS THE SRN HIGH
PLAINS. AN UPPER-LEVEL LOW OFF THE SRN CA COAST WILL SHIFT SLOWLY
EWD TOWARDS THE SRN SIERRA MOUNTAINS THROUGH EARLY FRI...WHILE A NRN
STREAM SHORT WAVE TROUGH PROGRESSES ACROSS THE SRN CANADIAN ROCKIES.
FORCED ASCENT DOWNSTREAM OF THESE WAVES COMBINED WITH POLEWARD
TRANSPORT OF RICHER SUB-TROPICAL MOISTURE WILL CONTRIBUTE TO A
SUBSTANTIAL INCREASE IN THE AREAL EXTENT OF TSTM COVERAGE ACROSS THE
WEST.
...CENTRAL VALLEY OF CA...
DESPITE AN INCREASE IN TSTM COVERAGE ACROSS THE WEST...POTENTIAL FOR
DRY TSTMS WHERE FUELS ARE SUFFICIENTLY CURED SHOULD BE RESTRICTED TO
ALONG THE CENTRAL VALLEY OF CA. OVERALL TSTM PROBABILITIES APPEAR
RATHER LOW IN THIS REGION WITH MORE ROBUST MID-LEVEL MOISTURE
GENERALLY SHUNTED ALONG AND E OF THE SIERRA MOUNTAINS.
NEVERTHELESS...IF ISOLATED TSTMS DO FORM...SURFACE TEMPERATURE/DEW
POINT SPREADS AOA 50 DEG F WOULD SUPPORT GUSTY/ERRATIC WINDS AND DRY
LIGHTNING.
..GRAMS.. 06/24/2009
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...