Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 131002
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0402 AM CST SUN JAN 13 2008
VALID 131200Z - 141200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
AN AMPLIFIED UPPER FLOW REGIME CONTINUES ACROSS THE U.S. WITH STRONG
RIDGING IN THE WEST AND LARGE-SCALE TROUGHING IN THE EAST. A
SHORTWAVE SYSTEM CURRENTLY TRAVERSING THE WRN RIDGE WILL DROP SWD
THROUGH THE INTERMOUNTAIN WEST TODAY...AND EVENTUALLY BECOME CUTOFF
OVER SRN AZ BY THE END OF THE PERIOD. SURFACE HIGH PRESSURE
SUBSEQUENTLY BUILDS SWD ACROSS THE GREAT BASIN...INCREASING THE
OFFSHORE PRESSURE GRADIENT OVER SRN CA.
FARTHER TO THE EAST...A SHORTWAVE TROUGH WILL MOVE FROM THE LOWER
MISSISSIPPI VALLEY TWD THE MID ATLANTIC REGION...INITIATING SURFACE
CYCLOGENESIS ALONG THE ATLANTIC COAST. RAIN AND SNOW WILL DEVELOP IN
THE MID ATLANTIC AREA TODAY...EXTENDING NWWD TOWARD THE GREAT LAKES.
SURFACE HIGH PRESSURE OVER THE SRN PLAINS WILL MAINTAIN THE DRY
CONTINENTAL AIRMASS OVER THE SOUTHEAST.
...SRN CA...
SURFACE HIGH PRESSURE WILL DEVELOP SWD ACROSS THE GREAT BASIN
TODAY...INCREASING THE OFFSHORE PRESSURE GRADIENT THROUGH THE
PERIOD. AS THE UPPER RIDGE BUILDS INLAND IN THE PACIFIC NORTHWEST
AND THE CUTOFF LOW DEVELOPS OVER SRN AZ...WINDS ALOFT TURN MORE
NLY/NELY THROUGH CNTRL/SRN CA. OFFSHORE SURFACE WINDS AT 15 TO 30
MPH ARE EXPECTED IN THE WIND PRONE AREAS THIS MORNING AND AGAIN
MONDAY MORNING...GUSTING AS HIGH AS 45 MPH IN FAVORABLE PASSES AND
CANYONS. THE LOW LEVEL AIRMASS IS NOT PARTICULARLY DRY
HOWEVER...AND MINIMUM RH SHOULD REMAIN AT OR ABOVE 15-20 PERCENT.
...ERN AL/SRN GA/FL PANHANDLE...
SURFACE HIGH PRESSURE CENTERED OVER SERN OK THIS AFTERNOON MAINTAINS
A NWLY FLOW OF CONTINENTAL AIR ACROSS THE SOUTHEAST. PORTIONS OF
AL...GA...AND THE FL PANHANDLE WILL SEE MINIMUM RH DIP TO AROUND 35
PERCENT FOR TWO OR THREE HOURS THIS AFTERNOON. GIVEN THE MODEST
PRESSURE GRADIENT...SURFACE WINDS SHOULD REMAIN LIGHT AND GENERALLY
AT OR BELOW 10 MPH.
..BRIGHT.. 01/13/2008
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 131004
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0404 AM CST SUN JAN 13 2008
VALID 141200Z - 151200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
THE UPPER PATTERN BECOMES MORE CONVOLUTED MONDAY...AS A RELATIVELY
STRONG TROUGH MOVING INTO THE PACIFIC NORTHWEST FORCES THE UPPER
RIDGE EWD INTO THE NRN PLAINS...AND THE CUTOFF LOW OVER SRN AZ DROPS
SWD INTO NWRN MEXICO. A LARGE-SCALE TROUGH WILL REMAIN OVER THE NERN
CONUS...WITH ZONAL FLOW THROUGH THE SOUTHEAST. A LARGE AREA OF
SURFACE HIGH PRESSURE COVERS MUCH OF THE PLAINS...PUSHING A VERY DRY
AND COOL AIRMASS INTO THE SERN U.S. IN THE WEST...THE SURFACE HIGH
RESPONSIBLE FOR THE RECENT OFFSHORE WINDS IN SRN CA MOVES TWD THE
CNTRL ROCKIES...CAUSING THE OFFSHORE GRADIENT TO GRADUALLY WEAKEN.
...SRN CA...
THE SURFACE PRESSURE GRADIENT CONTINUES TO SUPPORT OFFSHORE FLOW
MONDAY...WITH THE GRADIENT GRADUALLY WEAKENING AS THE SURFACE HIGH
MOVES INTO THE CNTRL ROCKIES MONDAY AFTERNOON. THE FLOW ALOFT WILL
REMAIN NELY...BUT DECREASES AS THE UPPER LEVEL CUTOFF DROPS SWD INTO
NWRN MEXICO. WIND PRONE AREAS WILL AGAIN SEE ELY/NELY SURFACE WINDS
OF 15 TO 30 MPH...GUSTING TO 40 MPH IN TERRAIN FAVORABLE LOCATIONS
MONDAY MORNING. DESPITE THE RETREATING SURFACE HIGH...THE AIRMASS
CONTINUES TO DRY WITH A MINIMUM RH AROUND 15 PERCENT MONDAY
AFTERNOON.
...SRN MS/SRN AL/SRN GA/INTERIOR FL...
A COOL BUT VERY DRY AIRMASS WITH DEWPOINTS IN THE 20S TO LOWER 30S
WILL SPREAD ACROSS THE SOUTHEAST MONDAY. WINDS SHOULD BE LIGHT AND
GENERALLY BELOW 10 MPH...BUT AFTERNOON TEMPERATURES IN THE 50S TO
MID 60S WILL RESULT IN AN EXTENDED PERIOD OF RH AS LOW AS 25 PERCENT
MONDAY AFTERNOON.
...SRN AZ...
NELY/ELY SURFACE WINDS OF 15 TO 25 MPH ARE EXPECTED AS THE SURFACE
HIGH SHIFTS EWD TWD THE CNTRL ROCKIES. THE AIRMASS WILL BE
MODERATELY DRY...WITH A MINIMUM RH AROUND 15 TO 20 PERCENT DURING
THE AFTERNOON. AFTERNOON TEMPERATURES WILL BE NEAR NORMAL...AND
CLIMB ABOVE 60F OVER THE LOWER DESERTS OF SCNTRL/SWRN AZ.
..BRIGHT.. 01/13/2008
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...