Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 120945
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0445 AM CDT THU JUL 12 2007
VALID 121200Z - 131200Z
...CRITICAL FIRE WEATHER AREA FOR ORE/SRN AND CNTRL ID/SW MT/NE
NV/UT/NRN AZ/WRN WY/WRN CO...
...SYNOPSIS...
EARLY MORNING WATER VAPOR LOOPS SHOW LARGE UPPER LEVEL LOW PRESSURE
SYSTEM OFF THE WEST COAST AND ANOTHER SHORTWAVE IMPULSE NEAR SALT
LAKE CITY. THE PACIFIC SYSTEM WILL MOVE LITTLE OVER THE NEXT 24
HOURS...WHICH WILL ALLOW STRONG SW FLOW ALOFT TO PERSIST OVER THE
PACIFIC NORTHWEST. LARGE SCALE FORCING FOR ASCENT WILL ESPECIALLY
INCREASE ACROSS WRN ORE AND THE NRN GREAT BASIN BY LATE AFTN DUE TO
THE PACIFIC SYSTEM...AND THIS WILL RESULT IN AREAS OF SCATTERED
TSTMS. MEANWHILE THE UT SYSTEM WILL PROVIDE A FOCUS FOR TSTMS FROM
THE NRN ROCKIES THROUGH WRN CO. MANY OF THE STORMS WILL CONTAIN
LITTLE OR NO RAIN...AND THE POTENTIAL FOR ADDITIONAL IGNITIONS WILL
BE HIGH.
...CRITICAL FIRE WEATHER AREA - ORE/SRN AND CNTRL ID/SW MT/NE
NV/UT/NRN AZ/WRN WY/WRN CO...
PRIMARY CONDITIONS: SCATTERED DRY TSTMS/CRITICALLY DRY FUELS/MIN RH
VALUES BELOW 15-20 PERCENT/ABOVE AVERAGE TEMPS
MID LEVEL MOISTURE REMAINS TRAPPED UNDER THE LARGE RIDGE IN THE
WEST. TEMPERATURES WILL INCREASE INTO THE 80S/90S BY AFTN...WITH
INVERTED-V THERMODYNAMIC PROFILES INDICATED ON FORECAST SOUNDINGS.
HIGHEST CHANCE FOR PURELY DRY TSTMS WILL BE ACROSS NE NV/ID INTO
MT/WY. COVERAGE SHOULD BE VERY LIMITED AS FAR SOUTH AS NW AZ...BUT
MODEL GUIDANCE SUGGESTS A STORM IS NOT IMPOSSIBLE ACROSS THE NRN
PLATEAU. STORMS THAT ARE EXPECTED TO DEVELOP OVER THE CASCADES
SHOULD BECOME INCREASINGLY WET...GIVEN MUCAPE VALUES OVER 500-1000
J/KG AFTER 13/00Z AND PW VALUES GENERALLY ABOVE AN INCH.
LATEST NFDRS FIRE DANGER CLASS OBSERVATIONS SHOW HIGH TO EXTREME
VALUES ACROSS THE OUTLOOK AREA...AND LIGHTNING EFFICIENCY IS VERY
HIGH. IN ADDITION TO THE THREAT OF LIGHTNING...STRONG AND
UNPREDICTABLE OUTFLOW WIND GUSTS ARE LIKELY NEAR STORMS.
..TAYLOR.. 07/12/2007
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 120947
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0447 AM CDT THU JUL 12 2007
VALID 131200Z - 141200Z
...CRITICAL FIRE WEATHER AREA FOR ERN WA/ERN ORE/ID/WRN MT/NE NV/NRN
UT...
...SYNOPSIS...
LARGE SCALE PATTERN WILL REMAIN FAIRLY SIMILAR ON FRIDAY...WITH
LARGE RIDGE PERSISTING ACROSS THE WEST AND LONG WAVE TROUGH OVER THE
MIDWEST/NORTHEAST. MODELS INDICATE A COUPLE MINOR WAVES MAY AFFECT
THE PACIFIC NORTHWEST ON FRIDAY...WHICH WILL INCREASE THE COVERAGE
OF TSTMS OVER ORE/WA. ELSEWHERE ACROSS THE WEST...MID LEVEL MOISTURE
WILL REMAIN IN PLACE FROM THE NRN ROCKIES THROUGH MUCH OF UT AND
CNTRL/ERN AZ. THE GREAT BASIN WILL SEE A DECREASE IN TSTM COVERAGE
ON FRIDAY. ABOVE NORMAL TEMPS/LOW HUMIDITY AND THE POTENTIAL FOR
SCATTERED DRY TSTMS WILL CONTRIBUTE TO A CRITICAL FIRE WEATHER AREA
ON FRIDAY.
...CRITICAL FIRE WEATHER AREA - ERN WA/ERN ORE/ID/WRN MT/NE NV/NRN
UT...
PRIMARY CONDITIONS: SCATTERED DRY TSTMS/CRITICALLY DRY FUELS/MIN RH
VALUES BELOW 15-20 PERCENT/ABOVE NORMAL TEMPS
SCATTERED TSTMS WILL DEVELOP ACROSS A LARGE PORTION OF THE
WEST...AND MANY OF THESE WILL BE HIGH BASED WITH THE POTENTIAL FOR
DRY LIGHTNING. FORECAST SOUNDINGS LOOK PARTICULARLY IMPRESSIVE
ACROSS ERN WA/ERN ORE...WHERE FORECAST HIGH TEMPS WILL BE CLIMBING
THROUGH THE 90S OR LOWER 100S. TSTM BASES IN THIS AREA WILL BE AOA
12000 FEET AGL...WITH VERY DRY SUB-CLOUD LAYERS. DANGEROUS OUTFLOW
WINDS WILL BE LIKELY WITH ALL STORMS...IN ADDITION TO THE THREAT OF
LIGHTNING.
..TAYLOR.. 07/12/2007
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...