Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 140743
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0243 AM CDT MON JUL 14 2008
VALID 141200Z - 151200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
MORNING SATELLITE IMAGERY SHOWS A FLAT UPPER RIDGE ACROSS THE WRN
STATES WHICH WILL CONTINUE TO STRONGLY INFLUENCE MOST OF THE
GREAT BASIN/SWRN U.S. AN UPPER SHORTWAVE TROUGH WILL MOVE EWD
TOWARDS THE PACIFIC NW/SRN BC WITH IT PERHAPS WEAKLY INFLUENCING
PARTS OF NRN CA. IN THE LOWER LEVELS...MONSOONAL MOISTURE WILL
REMAIN ACROSS THE SWRN U.S. REGION WITH PERIPHERAL MOISTURE AS FAR
NORTH AS NRN CA...SUPPORTING A LIMITED/NON-ZERO CHANCE FOR AN
INITIALLY ISOLATED DRY TSTM OR TWO WITH RELATIVELY HIGHER
PROBABILITIES IN THE SIERRAS. FURTHER S INTO PARTS OF SRN
NV/AZ/NM...HIGH PWATS AS SAMPLED BY MULTIPLE SWRN U.S. RAOBS WILL
TEND TO PRODUCE WET TSTMS AND RESTRICT THE FIRE WEATHER THREAT.
...SIERRAS/PARTS OF THE CENTRAL GREAT BASIN/NRN CA...
MID-LEVEL MONSOONAL MOISTURE WITH DRY LOW LEVELS AS SAMPLED BY
00Z/14 REV RAOB WILL REMAIN ACROSS THE MENTIONED REGION.
DETERMINISTIC MODEL GUIDANCE SHOWS A LEAD SHORTWAVE TROUGH MOVING
INTO THE PACIFIC NW WITH WEAK HEIGHT FALLS OCCURRING ACROSS PARTS
OF OREGON/EXTREME NRN CA. FORECAST SOUNDINGS DEPICT INCREASING
INSTABILITY AND SOME SOUNDINGS DISPLAY DEEPLY MIXED LOW-MID LEVELS.
WEAK ASCENT IMPLIED BY PLAN VIEW MODEL GUIDANCE MAY BE ENOUGH FOR A
NON-ZERO DRY TSTM CHANCE AS FAR N AS NRN CA. OVERALL WEAK NATURE OF
FORCING WILL LIKELY LIMIT CONVECTIVE COVERAGE /ISOLATED/ IN THE N
WHERE ITS INFLUENCE WILL BE GREATEST. A PERSISTENT FORECAST FOR
ISOLATED-SCATTERED TSTM COVERAGE OVER THE SIERRAS SEEMS REASONABLE
WITH LITTLE CHANGE IN UPPER FEATURE PLACEMENT WITH RESPECT TO
MONSOONAL MOISTURE.
..SMITH.. 07/14/2008
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 140920
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0420 AM CDT MON JUL 14 2008
VALID 151200Z - 161200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
SEASONABLY STRONG WLY FLOW ALOFT WILL REMAIN ACROSS THE NRN STATES
WITH A SERIES OF LOW AMPLITUDE SHORTWAVE TROUGHS AFFECTING THE NRN
HIGH PLAINS AND PACIFIC NW. SOME MID-LEVEL MOISTURE OF MONSOONAL
ORIGIN WILL LIKELY BE ADVECTED NWD FROM THE GREAT BASIN TOWARDS THE
NRN ROCKIES. AT THE LOWER LEVELS...IT APPEARS THAT A SURFACE TROUGH
WILL MOVE EWD OVER THE PACIFIC NW. A STRENGTHENING SURFACE PRESSURE
GRADIENT OVER THE COLUMBIA BASIN WILL LEAD TO BREEZY CONDITIONS. IT
SEEMS THAT LOW RH WILL PROBABLY OCCUR TOO...SUPPORTING A LIMITED
FIRE WEATHER THREAT TUESDAY AFTERNOON/EVENING OVER PARTS OF ERN
OREGON/WASHINGTON. FURTHER S...MONSOONAL MOISTURE OVER THE SWRN
U.S. SHOULD PROVIDE CONTINUED CHANCES FOR ISOLATED DRY TSTM COVERAGE
OVER THE SIERRAS AND PARTS OF THE GREAT BASIN REGION.
...ERN WASHINGTON/NERN OREGON...
STRONGER LOW TO MID-LEVEL FLOW ALOFT /25-35 KTS AT 700MB/ ALONG WITH
A STRENGTHENING SURFACE PRESSURE GRADIENT WILL LIKELY RESULT IN
SURFACE WINDS INCREASING ON TUESDAY. LATEST 00Z MODEL GUIDANCE
SUGGESTS WLY SURFACE WINDS MAY APPROACH 20 MPH...ESPECIALLY AFTER
PASSAGE OF A SURFACE TROUGH. SEASONABLY WARM TEMPS AND LOW RH /NEAR
15 PERCENT PER MODEL SOUNDINGS/ FOR SEVERAL HOURS...MAY RESULT IN AN
ENHANCED FIRE WEATHER THREAT.
...PARTS OF THE GREAT BASIN/SIERRAS...
DRY TSTMS MAY AGAIN OCCUR OVER THE REGION ON TUESDAY ON THE EDGE OF
THE MONSOONAL MOISTURE. LACK OF A FOCUSING MECHANISM FOR GREATER
CONVECTIVE COVERAGE /ISOLATED/ WILL PRECLUDE A CRITICAL AREA.
..SMITH.. 07/14/2008
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...