Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 070934
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0334 AM CST WED FEB 07 2007
VALID 071200Z - 081200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
POLAR VORTEX WILL LINGER ACROSS THE EASTERN CANADIAN PROVINCES
TODAY...WITH A BROAD CYCLONIC UPPER FLOW CONTINUING FROM THE NORTH
CENTRAL STATES THROUGH THE ATLANTIC SEABOARD. THIS WILL HELP
MAINTAIN AN ARCTIC AIR MASS OVER A LARGE AREA EAST OF THE ROCKIES.
SHALLOW LEADING EDGE OF THIS AIR MASS MAY BEGIN TO ADVANCE TO THE
LEE OF THE SOUTHERN APPALACHIANS...AND DEEPER INTO THE SOUTHERN TIER
STATES...IN THE WAKE OF A SHORT WAVE TROUGH PROGRESSING OFF THE
ATLANTIC SEABOARD EARLY IN THE DAY. MEANWHILE...TO WEST OF THE
CONTINENTAL DIVIDE...WARM/DRY CONDITIONS WILL PERSIST BENEATH
WEAKENING UPPER RIDGE ACROSS PARTS OF THE SOUTHERN GREAT BASIN AND
THE SOUTHERN PLATEAU. THE FIRST IN A SERIES OF SHORT WAVE TROUGHS
EMANATING FROM A BROADER SCALE TROUGH OVER THE EASTERN PACIFIC IS
FORECAST TO LIFT THROUGH CENTRAL AND NORTHERN PACIFIC COASTAL AREAS.
DESPITE LIKELY WEAKENING AS IT PROGRESSES INLAND...SYSTEM IS
EXPECTED TO BE ACCOMPANIED BY THICKENING CLOUD COVER NORTH/WEST OF
THE FOUR CORNERS STATES...AND COOLER/WET CONDITIONS WEST OF THE
CASCADES...AND PARTS OF NORTHERN/CENTRAL CALIFORNIA.
...SOUTHEAST GEORGIA/NORTHEAST FLORIDA...
BREEZY CONDITIONS APPEAR POSSIBLE EARLY IN THE DAY. BUT...BY PEAK
AFTERNOON HEATING...WESTERLY WINDS ARE EXPECTED TO RELAX AS A
VIGOROUS SHORT WAVE TROUGH PROGRESSES OFF TO THE EAST OF NORTHERN/
MID ATLANTIC COASTAL AREAS. AFTERNOON TEMPERATURES MAY TOP OUT IN
THE 60S AND 70S...BUT SUFFICIENT MOISTENING OF REMNANT CONTINENTAL
AIR MASS IS EXPECTED FOR LOWEST SURFACE RELATIVE HUMIDITIES ONLY
BRIEFLY DIPPING INTO THE 30-40 PERCENT RANGE. THIS IS EXPECTED TO
MINIMIZE FIRE POTENTIAL...DESPITE HIGHER FIRE DANGER CLASSES/ LONGER
TERM DRYNESS.
...SOUTHERN ARIZONA INTO SOUTHERN NEVADA...
DAYTIME HEATING/MIXING MAY CONTRIBUTE TO LOCALIZED GUSTS APPROACHING
20 MPH LATE THIS AFTERNOON...BUT THIS SHOULD BE ISOLATED/BRIEF
ENOUGH TO MINIMIZE FIRE POTENTIAL...DESPITE WARM/DRY CONDITIONS.
..KERR.. 02/07/2007
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 070934
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0334 AM CST WED FEB 07 2007
VALID 081200Z - 091200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
MODELS INDICATE THAT UPPER RIDGING OVER THE INTERMOUNTAIN WEST WILL
BECOME SUPPRESSED THURSDAY...AS A SHORT WAVE TROUGH CONTINUES
EASTWARD ACROSS THE GREAT BASIN. THIS WILL PROBABLY CONTRIBUTE TO A
MORE ZONAL FLOW ACROSS THE CENTRAL/SOUTHERN ROCKIES...AND WEAK
SURFACE TROUGHING TO THE LEE OF THE SOUTHERN ROCKIES. DOWNSLOPE
WARMING/DRYING ACROSS PARTS OF SOUTHWEST TEXAS INTO SOUTHERN NEW
MEXICO MAY APPROACH CRITICAL LEVELS DURING THE LATE AFTERNOON HOURS.
BUT...PEAK WINDS ARE EXPECTED TO GENERALLY REMAIN BELOW 20
MPH...LIMITING OVERALL FIRE POTENTIAL.
OTHERWISE...LITTLE CHANGE TO THE LARGE-SCALE PATTERN IS EXPECTED
THROUGH THIS PERIOD. THE COLD AIR MASS SEEMS LIKELY TO PENETRATE
MUCH OF THE REMAINDER OF THE U.S. TO THE LEE OF THE ROCKIES...WITH
THE EXCEPTION OF PARTS OF DEEP SOUTH TEXAS AND THE FLORIDA
PENINSULA.
..KERR.. 02/07/2007
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...