Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 270856
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0356 AM CDT WED AUG 27 2008
VALID 271200Z - 281200Z
...CRITICAL FIRE WEATHER AREA FOR WY INTO ERN ID AND SCNTRL MT...
...CRITICAL FIRE WEATHER AREA FOR NRN CA...
...SYNOPSIS...
FAST MOVING ZONAL FLOW COVERS THE NWRN PART OF THE CONUS FROM THE
PACIFIC NORTHWEST TO THE NRN PLAINS. AS AN UPPER LEVEL SHORTWAVE
MOVES FROM THE NRN ROCKIES TO THE WRN DAKOTAS THIS AFTERNOON AND
EVENING...A SURFACE TROUGH AND GUSTY WLY WINDS PUSH EWD ACROSS THE
PLAINS OF MT INTO THE WRN DAKOTAS. FARTHER SOUTH...A STRONG UPPER
RIDGES EXTENDS LONGITUDINALLY FROM THE ERN PACIFIC INTO THE SRN
PLAINS...WITH A HOT AND DRY AIRMASS OVER CA AND THE WRN GREAT BASIN.
AS SURFACE HIGH PRESSURE BUILDS INTO THE PACIFIC NORTHWEST AND A
WELL ESTABLISHED THERMAL TROUGH HOLDS STRONG ALONG THE CNTRL/NRN CA
COAST...GUSTY ELY/NELY WINDS DEVELOP OVER PORTIONS OF NRN CA THIS
AFTERNOON AND CONTINUE THROUGH THE OVERNIGHT HOURS.
ELSEWHERE ACROSS THE NATION...UPPER RIDGING PERSISTS OVER THE NERN
STATES...WHILE THE REMAINS OF TROPICAL DEPRESSION FAY BRING SHOWERS
AND THUNDERSTORMS TO THE OHIO VALLEY AND APPALACHIANS DURING THE
PERIOD.
...CRITICAL FIRE WEATHER AREA - WY...SCNTRL MT...ERN ID...
PRIMARY CONDITIONS: STRONG WLY WINDS AND LOW RH
A SURFACE TROUGH WILL MOVE EWD ACROSS THE PLAINS OF MT/WY THIS
AFTERNOON...FOLLOWED BY STRONG/GUSTY WLY WINDS OF 20 TO 30 MPH. AS
THE MID LEVEL JET IMPINGES ON THE AREA THIS AFTERNOON...HIGHER GUSTS
ARE POSSIBLE OVER WY WHERE MIXING SHOULD BE PARTICULARLY DEEP.
MINIMUM RH APPROACHING 10 PERCENT IS EXPECTED OVER ERN ID AND SRN
MT...WHILE PORTIONS OF WY FALL TO BETWEEN 5 AND 10 PERCENT. MAXIMUM
TEMPERATURES WILL GENERALLY BE IN THE UPPER 70S TO LOWER 80S.
...CRITICAL FIRE WEATHER AREA - NRN CA...
PRIMARY CONDITIONS: HOT AND DRY WITH GUSTY ELY/NELY WINDS DEVELOPING
A VERY HOT AND DRY AIRMASS WITH AFTERNOON TEMPERATURES IN EXCESS OF
100F AND MINIMUM RH BETWEEN 5 AND 10 PERCENT WILL CONTRIBUTE TO
INCREASINGLY DANGEROUS FIRE WEATHER CONDITIONS TODAY. AS SURFACE
HIGH PRESSURE BUILDS INTO ORE/WA...GUSTY NWLY SURFACE WINDS OF 10 TO
20 MPH TURN NELY LATE IN THE DAY AND OVERNIGHT. THE OFFSHORE FLOW
RESULTS IN POOR RH RECOVERY AND CONTINUED GUSTY WINDS /NELY TO 30
MPH/ ALONG THE WRN MOUNTAIN SLOPES AND FOOTHILLS NEAR THE NRN
SACRAMENTO VALLEY.
...NERN MT...
TO THE NORTH OF THE CRITICAL AREA...SWLY SURFACE WINDS /20 TO 30 MPH
AND GUSTY/ TURN WLY LATE IN THE DAY. MINIMUM RH MAY APPROACH
CRITICAL THRESHOLDS /AROUND 15 PERCENT/...BUT WIDESPREAD AREAS OF
LOWER RH OR CRITICAL CONDITIONS ARE NOT EXPECTED AT THIS TIME.
..BRIGHT.. 08/27/2008
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 270859
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0359 AM CDT WED AUG 27 2008
VALID 281200Z - 291200Z
...CRITICAL FIRE WEATHER AREA FOR NRN CA...
...SYNOPSIS...
STRONG ZONAL FLOW OVER THE NWRN U.S. SHIFTS A LITTLE EWD
THURSDAY...AS A LOW AMPLITUDE/LONGWAVE RIDGE BUILDS INTO THE NRN
ROCKIES AND A SHORTWAVE MOVES FROM THE NRN PLAINS TO THE GREAT
LAKES. SURFACE HIGH PRESSURE BUILDS EWD THROUGH THE NWRN
CONUS...CAUSING BREEZY WLY/NWLY SURFACE WINDS FROM WRN MT THROUGH
THE DAKOTAS. BUT TEMPERATURES ACROSS THIS REGION ARE RELATIVELY COOL
AND GENERALLY IN THE MID 60S TO MID 70S WITH MINIMUM RH EXPECTED TO
REMAIN AT OR ABOVE 20 PERCENT. A VERY DRY AIRMASS RESIDES BENEATH A
FLAT UPPER RIDGE EXTENDING FROM THE ERN PACIFIC TO THE SRN
PLAINS...MAINTAINING THE HEAT WAVE OVER CA.
...CRITICAL FIRE WEATHER AREA - NRN CA...
PRIMARY CONDITIONS: VERY HOT AND DRY WITH GUSTY NELY WINDS
THE THERMAL TROUGH REMAINS NEARLY STATIONARY JUST INLAND OF THE
CNTRL/NRN CA COAST THURSDAY...KEEPING THE WINDS OFFSHORE /ELY GUSTS
TO 30 MPH/ AND RH RECOVERY POOR /MAX RH 15 TO 20 PERCENT EARLY
THURSDAY/. CRITICAL FIRE WEATHER CONDITIONS WILL CONTINUE THROUGH
THE DAY NEAR THE MOUNTAINS AND FOOTHILLS OF THE NRN SACRAMENTO
VALLEY...WITH TEMPERATURES VERY HOT /NEAR 105F/ AND MINIMUM RH
APPROACHING 5 PERCENT. ELY FLOW SHOULD SUBSIDE LATE IN THE DAY...BUT
NOT BEFORE AN EXTENDED PERIOD OF CRITICAL FIRE WEATHER CONDITIONS.
..BRIGHT.. 08/27/2008
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...