Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 070753
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0153 AM CST SAT NOV 07 2009
VALID 071200Z - 081200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
A BROAD UPPER LEVEL TROUGH IS FORECAST TO ENTER THE W COAST ON
SATURDAY...WHILE AN UPPER LEVEL RIDGE AND SURFACE HIGH PRESSURE
REMAIN POSITIONED OVER THE SERN STATES. MEANWHILE...A BELT OF STRONG
WLY FLOW ALOFT WILL SPREAD EWD TOWARD THE GREAT BASIN AND THEN ARC
NEWD INTO ONTARIO. THESE WINDS MAY FAVOR GUSTY CONDITIONS OVER SRN
WY DURING THE AFTERNOON. FARTHER E...THE SURFACE HIGH OVER THE SERN
CONUS WILL CONTINUE TO MAINTAIN A DRY LOW LEVEL AIRMASS.
...SERN STATES...
AN AXIS OF SURFACE HIGH PRESSURE IS FORECAST TO RESIDE EAST TO WEST
FROM SC INTO MS. ELY SURFACE WINDS ARE EXPECTED SOUTH OF THE HIGH
PRESSURE AXIS OVER FAR SRN MS/AL/GA AND FL...TRANSITIONING TO LIGHT
AND SLY TOWARDS THE N. THE ELY SURFACE WINDS WILL LIKELY BEGIN TO
TRANSPORT SLIGHTLY HIGHER MOISTURE CONTENT WWD FROM THE
ATLANTIC...BUT DEWPOINTS FOR LOCATIONS TO THE N OVER CENTRAL/NRN
MS/AL/GA INTO SC ARE FORECAST TO REMAIN LOW. THIS DRY AIRMASS WILL
YIELD RH VALUES FALLING THROUGH THE 30S WITH DAYTIME
HEATING...THOUGH LIGHT WIND SPEEDS BENEATH A MID LEVEL ANTICYCLONE
WILL PRECLUDE A CRITICAL FIRE WEATHER OUTLOOK FROM BEING ISSUED.
...SRN WY...
A LOW LEVEL THERMAL AXIS IS FORECAST TO REDEVELOP NWD INTO WY IN THE
WAKE OF A FRONT MOVING THROUGH THE CENTRAL PLAINS. AS THE BOUNDARY
LAYER BECOMES WELL MIXED DURING THE AFTERNOON...MODERATE FLOW ALOFT
MAY PROMOTE 30-40 KT GUSTS OUT OF THE SW. HOWEVER...RELATIVELY COOL
TEMPERATURES...MARGINAL RH VALUES /AOA 20 PERCENT/...AND MARGINAL
FUEL CONDITIONS POINT TOWARD SUB-CRITICAL FIRE WEATHER CONDITIONS.
..GARNER.. 11/07/2009
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 070756
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0156 AM CST SAT NOV 07 2009
VALID 081200Z - 091200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
A BROAD UPPER LEVEL TROUGH WILL CONTINUE TO RESIDE ACROSS THE WRN
HALF OF THE NATION ON SUNDAY. DOWNSTREAM FROM THE TROUGH...A FRONTAL
BOUNDARY IS FORECAST TO SAG SWD ACROSS THE CENTRAL AND SRN
PLAINS...WHILE A WARM FRONT LIFTS N INTO THE GREAT LAKES REGION.
GUSTY WINDS AND MARGINALLY LOW RH VALUES WILL BE POSSIBLE OVER THE
NRN HIGH PLAINS AS A LOW AMPLITUDE UPPER DISTURBANCE MOVES E ACROSS
THE REGION. MEANWHILE...A DRY LOW LEVEL AIRMASS LOCATED ALONG THE
WRN EDGE OF A LARGE SURFACE HIGH WILL BEGIN TO SPREAD NWD ACROSS
PORTIONS OF WRN NC.
...ERN MT/WRN ND...
A LOW AMPLITUDE S/W TROUGH IS FORECAST TO MOVE E ACROSS MT DURING
SUNDAY. A WELL MIXED BOUNDARY LAYER COMBINED WITH STRENGTHENING FLOW
ALOFT ASSOCIATED WITH THE PASSING WAVE MAY RESULT IN WINDS GUSTING
UP TO 30 MPH OVER PORTIONS OF ERN MT/WRN ND. HOWEVER...COOL DAYTIME
HIGHS AND MARGINAL RH VALUES /GENERALLY AOA 25-30 PERCENT/ DO NOT
APPEAR TO SUPPORT CRITICAL FIRE WEATHER CONDITIONS AT THIS TIME.
...WRN NC...
A BROAD AREA OF SURFACE HIGH PRESSURE IS FORECAST TO REMAIN CENTERED
OVER THE MID ATLANTIC COAST. THE AIRMASS ASSOCIATED WITH THIS HIGH
HAS A HISTORY OF SUPPORTING RH VALUES AROUND 30 PERCENT DURING THE
LAST FEW DAYS...AND MODEL GUIDANCE INDICATES THIS WILL BE POSSIBLE
ONCE AGAIN ON SUNDAY ACROSS PORTIONS OF WRN NC. WEAK FLOW AT THE
SURFACE AND ALOFT SHOULD PRECLUDE THE DEVELOPMENT OF CRITICAL FIRE
WEATHER CONDITIONS DESPITE THE POTENTIAL FOR FAVORABLE SURFACE
HEATING AND LOW RH VALUES.
..GARNER.. 11/07/2009
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...