Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 230941
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0441 AM CDT WED AUG 23 2006
VALID 231200Z - 241200Z
...CRITICAL FIRE WEATHER AREA FOR SOUTHERN ID/SOUTHWEST MT/WESTERN
WY/NORTHWEST UT/NORTHERN NV/FAR NORTHEAST CA...
...SYNOPSIS...
A RATHER PROGRESSIVE UPPER FLOW REGIME...WITH A NUMBER OF EMBEDDED
LOW AMPLITUDE TROUGHS...WILL REMAIN ACROSS THE NORTHERN TIER OF
STATES THROUGH THE PERIOD. ACCOMPANIED BY A COLD FRONT...TWO OF
THESE SHORTWAVE TROUGHS WILL PHASE OVER THE NORTHERN ROCKIES
TODAY...WHILE AN ADDITIONAL IMPULSE REACHES THE WA/ORE COAST BY
EARLY THURSDAY. THIS SCENARIO WILL RESULT IN A HEIGHTENED FIRE
DANGER ACROSS A LARGE PORTION OF THE NORTHERN INTERMOUNTAIN
REGION/NORTHERN GREAT BASIN. OTHERWISE...BROAD UPPER TROUGH WILL
CONTINUE TO ENCOMPASS THE NORTHEAST STATES...AS UPPER RIDGE REMAINS
CENTERED OVER THE NORTHERN PLAINS.
...CRITICAL FIRE WEATHER AREA - SOUTHERN ID/SOUTHWEST MT/WESTERN
WY/NORTHWEST UT/NORTHERN NV/FAR NORTHEAST CA...
PRIMARY CONDITIONS: STRONG WINDS/LOW RH AND COLD FRONTAL PASSAGE
ACROSS THE NORTHERN ROCKIES
SHORTWAVE TROUGH/COLD FRONT WILL SPREAD EAST ACROSS THE NORTHERN
INTERMOUNTAIN WEST TODAY...WITH A CRITICAL FIRE DANGER ACROSS A
BROAD PORTION OF THE NORTHERN ROCKIES AND NORTHERN GREAT BASIN. THE
COLD FRONT WILL SPREAD EAST ACROSS ID/WESTERN MT/FAR NORTHERN NV
DURING THE DAY...ACCOMPANIED BY MODERATELY STRONG WINDS AND A WIND
SHIFT. WELL AHEAD OF THE FRONT...WARM TEMPERATURES/LOW RH VALUES AND
GUSTY WESTERLY WINDS ARE EXPECTED ACROSS NORTHWEST UT/MUCH OF WY.
INCREASING DEEP LAYER WIND FIELDS WILL SUPPORT SUSTAINED WIND SPEEDS
OF 15-30 MPH /WITH HIGHER GUSTS/...ESPECIALLY ACROSS NORTHEAST NV
INTO SOUTHERN ID/WESTERN WY.
IN ADDITION...ISOLATED MAINLY DRY THUNDERSTORMS WILL BE POSSIBLE
LATE THIS AFTERNOON/TONIGHT ACROSS WY AND SOUTHWEST/SOUTH CENTRAL
MT. THESE THUNDERSTORMS COULD YIELD NEW FIRE STARTS...WITH POTENTIAL
FOR GUSTY/ERRATIC DOWNDRAFT WINDS EVEN AS THE BOUNDARY LAYER TENDS
TO STABILIZE THIS EVENING.
...NORTH CENTRAL HIGH PLAINS...
HOT/DRY CONDITIONS WITH MODESTLY BREEZY CONDITIONS ARE EXPECTED
ACROSS EASTERN WY/SOUTHEAST MT INTO WESTERN PORTIONS OF SD AND NEB.
ALTHOUGH WIND SPEEDS WILL TEND TO BE MARGINAL /10-20 MPH OR
LESS/...VERY WARM AFTERNOON TEMPERATURES WILL BE WELL INTO THE 90S
OR LOWER 100S...WITH VERY LOW RH VALUES FROM 8-15 PERCENT FOR
SEVERAL HOURS DURATION. ISOLATED THUNDERSTORMS THIS
EVENING/OVERNIGHT MAY CAUSE SOME NEW FIRE STARTS.
..GUYER.. 08/23/2006
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 231030
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0530 AM CDT WED AUG 23 2006
VALID 241200Z - 251200Z
...CRITICAL FIRE WEATHER AREA FOR EASTERN WY/SOUTHEAST MT/SOUTHWEST
ND/WESTERN SD/NEB PANHANDLE...
...SYNOPSIS...
RELATIVELY FAST BELT OF WESTERLY MID TO UPPER FLOW WILL PERSIST
ACROSS THE NORTHERN THIRD OF THE COUNTRY. WITHIN THIS FLOW
REGIME...PRIMARY FEATURES OF NOTE WILL BE A SHORTWAVE
TROUGH/ASSOCIATED COLD FRONT CROSSING THE NORTHERN PLAINS...WHILE A
SECONDARY SHORTWAVE IMPULSE OVERSPREADS THE PACIFIC NORTHWEST.
...CRITICAL FIRE WEATHER AREA - EASTERN WY/SOUTHEAST MT/SOUTHWEST
ND/WESTERN SD/NEB PANHANDLE...
PRIMARY CONDITIONS: COLD FRONT/WIND SHIFT AND STRONG NORTHWEST WINDS
AFTER VERY WARM/DRY CONDITIONS ON WEDNESDAY...A POTENT SHORTWAVE
TROUGH AND AN ASSOCIATED COLD FRONT WILL SPREAD EAST FROM THE
NORTHERN ROCKIES ACROSS THE NORTHERN PLAINS ON THURSDAY. A WIND
SHIFT IS EXPECTED EARLY IN THE DAY AS THE COLD FRONT MOVES EAST
ACROSS THE WESTERN DAKOTAS/NEB PANHANDLE...WITH A MARKED INCREASE OF
NORTHWESTLY WINDS IN ITS WAKE VIA A TIGHTENING PRESSURE GRADIENT AND
CORE OF MODERATELY STRONG WINDS ALOFT. THESE STRONG WINDS...WITH
SUSTAINED WIND SPEEDS OF 20-30 MPH WITH HIGHER GUSTS...MAY HAVE
CONSIDERABLE ADVERSE IMPACTS ON ANY ONGOING FIRES. POTENTIAL WILL
EXIST FOR FAST FIRE SPREAD EVEN WITH HIGHER RH VALUES/COOLER
TEMPERATURES AMIDST THE POST-FRONTAL REGIME.
...GREAT BASIN...
AS BRUNT OF INITIAL SHORTWAVE TROUGH/COLD FRONT QUICKLY SHIFTS WELL
EAST OF THE REGION...SECONDARY UPPER TROUGH WILL EVOLVE OVER THE
PACIFIC NORTHWEST ON THURSDAY. THIS SCENARIO WILL KEEP A MODERATE
CORE OF WINDS ACROSS THE GREAT BASIN...WITH POTENTIAL FOR BREEZY
CONDITIONS/SUSTAINED WIND SPEEDS AROUND 15 MPH IN PRESENCE OF
SUFFICIENTLY DEEP MIXING. AFTERNOON MINIMUM RH VALUES WILL BE AROUND
8-15 PERCENT.
..GUYER.. 08/23/2006
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...