Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 030858
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0358 AM CDT MON SEP 03 2007
VALID 031200Z - 041200Z
...CRITICAL FIRE WEATHER AREA FOR NORTHEAST CA/SOUTH CENTRAL AND
EASTERN ORE/NORTHWEST NV/CENTRAL AND SOUTHWEST ID/FAR SOUTHWEST
MT...
...SYNOPSIS...
THE LARGE SCALE PATTERN WILL CONTINUE TO AMPLIFY THROUGH THE
PERIOD...HIGHLIGHTED BY A SIGNIFICANT UPPER TROUGH BUILDING EASTWARD
TOWARD THE PACIFIC NORTHWEST THROUGH EARLY TUESDAY. ASSOCIATED WITH
THIS FEATURE...SHOWERS WILL BEGIN TO SPREAD INLAND ALONG THE PACIFIC
NORTHWEST COAST...WHILE BREEZY/WINDY AND DRY CONDITIONS DEVELOP FROM
NORTHERN CA INTO SOUTHWEST MT. IN THE EAST...AN UPPER TROUGH WILL
MOVE ACROSS QUEBEC...WITH MAINLY DRY/BREEZY CONDITIONS AHEAD OF A
SURFACE COLD FRONT CROSSING NEW ENGLAND. OTHERWISE...PLENTIFUL
MOISTURE BENEATH THE WESTERN STATES UPPER RIDGE WILL KEEP SHOWERS
AND THUNDERSTORMS COMMON ACROSS MUCH OF THE EASTERN GREAT
BASIN/INTERMOUNTAIN WEST...WITH THUNDERSTORMS ALSO EXPECTED ALONG
THE GULF COAST STATES.
...CRITICAL FIRE WEATHER AREA - NORTHEAST CA/SOUTH CENTRAL AND
EASTERN ORE/NORTHWEST NV/CENTRAL AND SOUTHWEST ID/FAR SOUTHWEST
MT...
PRIMARY CONDITIONS: GUSTY WINDS/LOW RH AND LONG TERM DROUGHT
A STRONG/FALL-LIKE UPPER TROUGH WILL APPROACH THE PACIFIC NORTHWEST
COAST THIS AFTERNOON AND TONIGHT...STRENGTHENING A BELT OF
SOUTHWESTERLY FLOW FROM NORTHERN CA INTO THE NORTHERN ROCKIES. WELL
AHEAD OF A COLD FRONT REACHING THE PACIFIC COAST THIS EVENING...A
BROAD CORRIDOR FROM NORTHERN CA INTO FAR SOUTHWEST MT IS LIKELY TO
EXPERIENCE A CRITICAL FIRE DANGER THIS AFTERNOON VIA MOSTLY SUNNY
SKIES...HOT TEMPERATURES...AND GUSTY WINDS. AFTERNOON MINIMUM RH
VALUES WILL IN THE 10-15 PERCENT RANGE /ESPECIALLY LOWER
ELEVATIONS/...WITH SUSTAINED WIND SPEEDS OF 15-25 MPH...ALONG WITH
HIGHER GUSTS.
...UT/EASTERN NV...
THUNDERSTORMS ARE AGAIN EXPECTED THIS AFTERNOON/EARLY EVENING ACROSS
THE EASTERN GREAT BASIN INTO UT AS MOISTURE REMAINS TRAPPED BENEATH
THE UPPER RIDGE. HOWEVER...MUCH OF THESE STORMS SHOULD BE WET IN
NATURE.
...NY TO NEW ENGLAND...
CONDITIONS MAY APPROACH CRITICAL THRESHOLDS FOR A SHORT DURATION
THIS AFTERNOON AHEAD OF AN EASTWARD MOVING/MAINLY DRY COLD FRONT.
AHEAD OF THE FRONT...BREEZY WEST-SOUTHWESTERLY SURFACE WINDS
/SUSTAINED AS HIGH AS 15-20 MPH WITH HIGHER GUSTS/ AND MARGINALLY
LOW RH VALUES /30 TO 40 PERCENT/ ARE EXPECTED.
..GUYER.. 09/03/2007
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 031048
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0548 AM CDT MON SEP 03 2007
VALID 041200Z - 051200Z
...CRITICAL FIRE WEATHER AREA FOR CA SIERRAS/MUCH OF NV/FAR WEST AND
NORTHERN UT/CENTRAL AND SOUTHERN ID/MUCH OF MT/WESTERN WY...
...SYNOPSIS...
A POTENT UPPER TROUGH WILL ADVANCE EASTWARD OVER THE PACIFIC
NORTHWEST/NORTHERN ROCKIES ON TUESDAY...WITH DOWNSTREAM UPPER
RIDGING PREVALENT ACROSS THE CENTRAL STATES. OWING TO MODERATELY
STRONG WIND FIELDS ASSOCIATED WITH THE UPPER TROUGH...AND A SHARP
COLD FRONT CROSSING THE INTERMOUNTAIN REGION/GREAT BASIN...A BROAD
EXTENT OF CRITICAL FIRE WEATHER CONDITIONS IS EXPECTED ON TUESDAY
FROM THE GREAT BASIN INTO THE NORTHERN ROCKIES/NORTHERN HIGH PLAINS
OF MT.
...CRITICAL FIRE WEATHER AREA - CA SIERRAS/MUCH OF NV/FAR WEST AND
NORTHERN UT/CENTRAL AND SOUTHERN ID/MUCH OF MT/WESTERN WY...
PRIMARY CONDITIONS: STRONG/GUSTY WINDS WITH COLD FRONTAL WIND SHIFT
AND THUNDERSTORMS
ASSOCIATED WITH THE STRONG WESTERN STATES UPPER TROUGH...A COLD
FRONT WILL CROSS PORTIONS OF MT/ID/NORTHERN NV DURING THE DAY ON
TUESDAY...WHILE THUNDERSTORMS INCREASE ACROSS MUCH OF THE
INTERMOUNTAIN WEST/ROCKIES AND EASTERN GREAT BASIN. A COMBINATION OF
THESE FACTORS IS EXPECTED TO LEAD TO A RATHER BROAD GEOGRAPHIC
EXTENT OF CRITICAL FIRE WEATHER CONDITIONS TUESDAY AFTERNOON AND
EVENING.
AHEAD OF THE FRONT...A HOT/MAINLY DRY WARM SECTOR AND GUSTY WINDS
WILL YIELD CRITICAL CONDITIONS FROM THE CA SIERRAS/MUCH OF NV INTO
THE NORTHERN ROCKIES...ALTHOUGH THE EASTERN EXTENT ACROSS THE
EASTERN GREAT BASIN WILL BE COMPLICATED BY POTENTIAL CLOUD
COVER/MARGINALLY HIGH RH VALUES. NEVERTHELESS...MANY LOCALES SHOULD
SEE SUSTAINED WIND SPEEDS REACH 20 MPH OR GREATER...WITH HIGHER
GUSTS...ALONG WITH MINIMUM RH VALUES OF 10-15 PERCENT /ESPECIALLY
LOWER ELEVATIONS/ WITHIN A WELL-MIXED PREFRONTAL WARM SECTOR. A WIND
SHIFT ACROSS MT/ID/NV WITH THE COLD FRONT WILL ALSO POSE A HAZARD
WITH ANY ONGOING FIRES. IN ADDITION...OWING TO AMPLE MID LEVEL
MOISTURE...THUNDERSTORMS ARE ALSO LIKELY TO INCREASE TUESDAY
AFTERNOON/EVENING ACROSS EASTERN NV/UT INTO MUCH OF ID/MT AND
WESTERN WY...WITH A RISK OF NEW FIRE STARTS.
..GUYER.. 09/03/2007
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...