Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 170805
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0305 AM CDT SUN AUG 17 2008
VALID 171200Z - 181200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
THE UPPER LEVEL WEATHER PATTERN ACROSS THE CONUS WILL CHANGE LITTLE
DURING THE FORECAST PERIOD WITH A UPPER LEVEL LOW CENTERED OVER
COLORADO...A RIDGE OVER THE GREAT BASIN...AND A TROUGH OVER THE
NORTHEAST U.S. IN THE PACIFIC NORTHWEST...THE RIDGE THAT HAS BEEN IN
PLACE FOR THE PAST FEW DAYS WILL BREAK DOWN AS A TROUGH ENTERS THE
REGION FROM THE WEST...BRINGING THE POTENTIAL FOR DRY THUNDERSTORMS
TO THE AREA. WIDESPREAD PRECIPITATION WILL EXIST ALONG A STATIONARY
FRONT FROM NEW MEXICO...TO ALONG THE GULF COAST...TO THE SOUTHEAST
STATES...AS WELL AS ACROSS THE SOUTHERN PLAINS DUE TO INFLUENCE FROM
THE UPPER LOW OVER COLORADO. TROPICAL STORM FAY IS FORECAST TO
BECOME A HURRICANE AND MOVE TO OFF THE WEST COAST OF
FLORIDA...BRINGING HEAVY RAIN TO THE REGION.
...NRN CA/CNTRL AND ERN WA/OR...
AS THE UPPER LEVEL TROUGH OFF THE PACIFIC NORTHWEST COAST BEGINS TO
MOVE INLAND...A SHORTWAVE THROUGH WILL ROTATE AROUND ITS BASE INTO
NORTHERN CALIFORNIA AND HELP PROVIDE A REGION OF LIFT FOR
THUNDERSTORM DEVELOPMENT. IN ADDITION...A SOUTHWESTERLY FETCH OF
MOISTURE WILL MOVE IN AHEAD OF THE TROUGH...AIDING IN INCREASING
INSTABILITY. SOME DRY THUNDERSTORMS WILL FORM OVER THE HIGHER
TERRAIN OF THE SIERRAS AND CASCADES DURING LATE AFTERNOON AND
EVENING ON SUNDAY...BUT COVERAGE IS EXPECTED TO REMAIN FAIRLY
LIMITED SO A CRITICAL FIRE WEATHER AREA WILL NOT BE OUTLINED. VERY
HIGH AND UNSEASONABLY WARM SURFACE TEMPERATURES WILL ALSO CONTINUE
IN A THERMAL TROUGH THAT WILL EXIST OVER EASTERN WA AND OR...WITH
TEMPERATURES AROUND 100F AND RELATIVE HUMIDITY VALUES FROM 10 TO 20
PERCENT. THE REGION WILL APPROACH CRITICAL FIRE WEATHER LIMITS...BUT
THE WEAK WIND SPEEDS /AROUND 5 TO 15 MPH/ WILL PRECLUDE A RISK AREA.
..LEVIT.. 08/17/2008
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 170854
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0354 AM CDT SUN AUG 17 2008
VALID 181200Z - 191200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
THE UPPER LEVEL LOW OVER COLORADO WILL CONTINUE TO SLOWLY MOVE TO
THE SOUTHEAST TO THE OKLAHOMA PANHANDLE DURING THE FORECAST
PERIOD...WITH CONTINUED THUNDERSTORMS AND RAIN IN THE SOUTHERN
PLAINS. IN THE PACIFIC NORTHWEST...THE UPPER LEVEL TROUGH OFF THE
COAST WILL MOVE INLAND BRINGING THUNDERSTORMS TO THE REGION.
ADDITIONALLY...A CONTINUED STATIONARY FRONT ALONG MUCH OF THE GULF
COAST WILL PROVIDE A FOCUS FOR CONTINUED AFTERNOON
THUNDERSTORMS...AND TROPICAL STORM /POSSIBLE HURRICANE/ FAY WILL
MOVE TO JUST OFF THE SOUTHWEST COAST OF FLORIDA.
...NRN CA/ERN AND CNTRL OR/WA...
AS IN PREVIOUS DAYS...THIS AREA WILL BE AT A CONTINUED RISK FOR DRY
THUNDERSTORMS. COVERAGE OF STORMS IS MORE CERTAIN ON MONDAY AS THE
UPPER LEVEL TROUGH MAKES MUCH MORE OF AN IMPACT ON THE REGION...BUT
WITH INCREASING MOISTURE FROM THE SOUTH THE CHANCE FOR A SIGNIFICANT
AMOUNT AND WIDESPREAD COVERAGE OF DRY THUNDERSTORMS APPEARS TO BE
BELOW CRITICAL THRESHOLDS...AS THUNDERSTORMS COULD ALSO APPROACH
SEVERE CRITERIA /ESPECIALLY OVER WA AND OR/ GIVEN THE INCREASING
AMOUNT OF SHEAR AS THE TROUGH MOVES INLAND. THE AREA COULD BE
UPGRADED TO A CRITICAL DRY THUNDERSTORM RISK ON DAY 1 IF IT APPEARS
THAT MOISTURE WILL BE LESS THAN CURRENTLY FORECAST AND DRY
THUNDERSTORM COVERAGE WILL BE GREATER.
..LEVIT.. 08/17/2008
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...