Storm Prediction Center
Day 1 and Day 2 Fire Weather Outlooks
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 050810
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0310 AM CDT THU AUG 05 2004
VALID 051200Z - 061200Z
...CRITICAL FIRE WEATHER AREA FOR SOUTHEAST IDAHO...
...CRITICAL FIRE WEATHER AREA FOR GREAT BASIN...
...SYNOPSIS...
A HIGH AMPLITUDE PATTERN CONTINUES WITH STRONG UPPER RIDGING OVER
THE CENTRAL UNITED STATES AND TROUGHING NEAR THE COASTS. AN UPPER
TROUGH OFF THE PACIFIC NORTHWEST COAST KEEPS SOUTHWEST FLOW ALOFT
OVER THE WEST CREATING SOME FIRE WEATHER CONCERNS FROM THE GREAT
BASIN TO THE NORTHERN ROCKIES. STRONG SURFACE HIGH PRESSURE OVER
THE NORTHERN PLAINS MINIMIZES LARGE SCALE FIRE WEATHER CONCERNS IN
THE CENTRAL AND EASTERN STATES.
...CRITICAL FIRE WEATHER AREA 1 - SERN ID...
PRIMARY CONDITIONS: LOW RH AND GUSTY WINDS
A SHORTWAVE TROUGH EJECTING FROM THE AFOREMENTIONED PACIFIC
NORTHWEST LOW APPROACHES IDAHO AROUND MID AFTERNOON. WINDS AT THE
SURFACE AND ALOFT INCREASE AS THE SYSTEM APPROACHES...WITH SURFACE
WINDS OF 15 TO 25 MPH AND GUSTS TO 30 MPH THIS AFTERNOON. THE
AIRMASS REMAINS GENERALLY DRY AND MINIMUM RH VALUES FALL TO 10 TO 15
PERCENT. NORTHERN SECTIONS OF THE CRITICAL AREA ARE ALSO SUSEPTIBLE
TO ISOLATED DRY THUNDERSTORMS DURING THE AFTERNOON.
...CRITICAL FIRE WEATHER AREA 2 - ERN NV...
PRIMARY CONDITIONS: LOW RH AND GUSTY WINDS
CONDITIONS THIS AFTERNOON AND EARLY EVENING ARE AGAIN FAVORABLE FOR
MINIMUM RH VALUES TO FALL TO AROUND 10 PERCENT AS SURFACE WINDS
INCREASE TO 15 TO 25 MPH. ALTHOUGH WEATHER CONDITIONS ARE
BORDERLINE CRITICAL...PREDICTED FIRE DANGER CLASS RATINGS OF VERY
HIGH TO EXTREME WARRANT THE ISSUANCE OF A CRITICAL AREA.
..BRIGHT.. 08/05/2004
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 050854
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0354 AM CDT THU AUG 05 2004
VALID 061200Z - 071200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
THE UPPER RIDGE OVER THE CENTRAL U.S. BEGINS TO FLATTEN FRIDAY WITH
WESTERLY FLOW OVER THE NORTHWEST AND AN UPPER LOW LOCATED OVER NEW
ENGLAND. SURFACE HIGH PRESSURE MOVES FROM MINNESOTA TO ILLINOIS
DURING THE PERIOD....BRINGING DRIER NORTHERLY FLOW AS FAR SOUTH AS
THE GULF COAST AND NORTHERN FLORIDA.
...CENTRAL IDAHO...
ANOTHER IN A SERIES OF UPPER TROUGHS APPROACHES THE NORTHERN ROCKIES
FRIDAY AFTERNOON...INCREASING THE WEST/SOUTHWEST FLOW ALOFT.
SURFACE WINDS AGAIN INCREASE TO 15 TO 25 MPH FRIDAY AFTERNOON...AS
MINIMUM RH VALUES FALL INTO THE LOWER TEENS.
...MS/AL/GA...
A RELATIVELY DRY POSTFRONTAL AIRMASS MOVES OVER THE SOUTHEAST UNITED
STATES ON FRIDAY. NORTH TO NORTHEAST WINDS OF 15 TO 20 MPH ARE
EXPECTED AS MINIMUM RH VALUES FALL TO BETWEEN 25 AND 30 PERCENT OVER
INTERIOR MISSISSIPPI...ALABAMA...AND GEORGIA DURING THE AFTERNOON.
THE KEETCH-BYRAM DROUGHT INDEX IS CURRENTLY LESS THAN 500...NEGATING
THE NEED FOR A CRITICAL AREA AT THIS TIME.
..BRIGHT.. 08/05/2004
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Fire Weather/Forecast Products/Home