Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 100828
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0328 AM CDT SUN JUN 10 2007
VALID 101200Z - 111200Z
...CRITICAL FIRE WEATHER AREA FOR PORTIONS OF ERN NV/WRN UT...
...SYNOPSIS...
A NEARLY STATIONARY UPPER LOW OFF THE NRN BAJA CA COAST WILL BEGIN
TO EJECT SLOWLY EWD AS AN UPSTREAM TROUGH DIGS INLAND ACROSS THE
PACIFIC NW. IN ADVANCE OF THIS TROUGH...STRONGER SWLY MID-LEVEL FLOW
WILL SPREAD EWD OVER THE NRN GREAT BASIN/ROCKIES. FARTHER
DOWNSTREAM...MID/UPPER-LEVEL RIDGING WILL BUILD NWD ACROSS THE GREAT
PLAINS. ACROSS THE SOUTHEAST...WEAK LOW PRESSURE OVER THE SC COASTAL
PLAINS WILL SINK SLOWLY SWWD AS A WEAK COLD FRONT BECOMES
QUASI-STATIONARY OFF THE FL PANHANDLE.
...CRITICAL FIRE WEATHER AREA - PORTIONS OF ERN NV/WRN UT...
PRIMARY CONDITIONS: LOW RH / MODERATE WINDS / MODERATE DROUGHT
LOW/MID-LEVEL SWLYS WILL INCREASE AS A TROUGH APPROACHES THE PACIFIC
NW. ALTHOUGH THE STRONGEST WINDS WILL REMAIN N OF THE
REGION...ABUNDANT DAYTIME HEATING WILL LEAD TO STEEP LOW-LEVEL LAPSE
RATES AND DEEP MIXING. SUSTAINED SURFACE WINDS AROUND 20 MPH ARE
LIKELY DURING THE LATE AFTERNOON. TEMPERATURES SHOULD BE A FEW
DEGREES WARMER COMPARED TO SATURDAY /GENERALLY IN THE 80S/. WITH DEW
POINTS IN THE TEENS AND 20S...WIDESPREAD RH VALUES OF 6 TO 12
PERCENT WILL OCCUR.
...SWRN WY SWD TO E-CNTRL UT/W-CNTRL CO...
WITH W/SWLY FLOW CONTINUING...WARM AND DRY CONDITIONS WILL PREVAIL
ACROSS THE AREA. WITH TEMPERATURES IN THE UPPER 70S TO NEAR 90...RH
VALUES OF 8 TO 15 PERCENT WILL DEVELOP. COMPARED TO THE CRITICAL
AREA...THE OVERALL DURATION AND STRENGTH OF WIND SPEEDS IS EXPECTED
TO BE SLIGHTLY LESS OWING TO A FARTHER EAST DISPLACEMENT FROM THE
APPROACHING TROUGH. NEVERTHELESS...LATE AFTERNOON SUSTAINED WINDS
SHOULD REACH 15 TO 20 MPH WHICH MAY LEAD TO A RELATIVELY SHORT
DURATION OF CRITICAL CONDITIONS.
...FOUR CORNERS AREA...
BETWEEN A VERY WARM/DRY AIR MASS TO THE W/SW AND MORE ROBUST
LOW/MID-LEVEL MOISTURE TO THE E/SE...A THREAT FOR DRY TSTMS WILL
EXIST THIS AFTERNOON. HOWEVER...CONVECTIVE COVERAGE WILL BE LESS
THAN ON SATURDAY WITH INCREASING MID/UPPER-LEVEL SUBSIDENCE AS
RIDGING EXPANDS FROM THE SRN PLAINS. DAYTIME HEATING AND FAVORABLE
OROGRAPHIC LIFT WILL CONTRIBUTE TO ISOLATED TSTM DEVELOPMENT.
...FL PANHANDLE/SRN AL/SWRN GA...
ALTHOUGH A WEAK COLD FRONT WILL PASS S AND OFF THE COAST THIS
MORNING...THE BOUNDARY WILL MERELY ACT AS A WIND SHIFT TO DRIER NLY
FLOW ACROSS THE REGION. AFTERNOON TEMPERATURES WILL REMAIN
HOT...REACHING THE MIDDLE TO UPPER 90S. DEW POINTS SHOULD MIX INTO
THE 50S...PRODUCING LOW RH VALUES FROM 20 TO 30 PERCENT. RATHER
MODEST SUSTAINED WINDS /AROUND 10 MPH/ WILL BE THE MAIN MITIGATING
FACTOR TO A CRITICAL THREAT.
..GRAMS.. 06/10/2007
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 100943
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0443 AM CDT SUN JUN 10 2007
VALID 111200Z - 121200Z
...CRITICAL FIRE WEATHER AREA FOR PORTIONS OF SWRN WY/NWRN CO/NERN
UT...
...CRITICAL FIRE WEATHER AREA FOR PORTIONS OF SRN GREAT BASIN...
...SYNOPSIS...
THE MID/UPPER-LEVEL PATTERN WILL BECOME HIGHLY AMPLIFIED ACROSS THE
CONUS AS A RIDGE CONTINUES TO BUILD N OVER THE CNTRL STATES WITH
TROUGHS OVER THE WEST AND EAST. DUE TO THE IMMENSITY OF THE UPPER
RIDGE...A LOW OVER NRN BAJA CA AND A SHORT WAVE TROUGH OVER THE
PACIFIC NW SHOULD TEND TO TRANSLATE IN A MORE NELY DIRECTION TOWARDS
THE FOUR CORNERS AND NRN ROCKIES RESPECTIVELY. SWLY LOW/MID-LEVEL
FLOW IN ADVANCE OF THE WRN TROUGH WILL SPREAD A WARM AND DRY AIR
MASS FROM THE GREAT BASIN ACROSS THE CENTRAL ROCKIES. POCKETS OF
ENHANCED FLOW SHOULD LEAD TO CRITICAL CONDITIONS IN PORTIONS OF
THESE REGIONS.
...CRITICAL FIRE WEATHER AREA - PORTIONS OF SWRN WY/NWRN CO/NERN
UT...
PRIMARY CONDITIONS: GUSTY WINDS / LOW RH / MODERATE TO EXTREME
DROUGHT
LOW/MID-LEVEL FLOW WILL LIKELY INCREASE FROM DAY 1 AS THE WRN CONUS
TROUGH ADVANCES CLOSER TO THE AREA. MODEL FORECAST SOUNDINGS DEPICT
VERY STEEP LOW/MID-LEVEL LAPSE RATES WITH DEEP UNIDIRECTIONAL SWLY
WIND PROFILES ON MON AFTERNOON. THIS OUGHT TO LEAD TO SUBSTANTIAL
MIXING WITH SUSTAINED SURFACE WINDS OF 20 TO 25 MPH AND GUSTS
POSSIBLY NEAR 40 MPH. A CONTINUED WARM AND DRY AIR MASS WILL
MAINTAIN CRITICALLY LOW RH OF 8 TO 15 PERCENT AS TEMPERATURES WARM
INTO THE 70S/80S.
...CRITICAL FIRE WEATHER AREA - PORTIONS OF SRN GREAT BASIN...
PRIMARY CONDITIONS: LOW RH / MODERATE WINDS / MODERATE TO SEVERE
DROUGHT
LATEST MODEL GUIDANCE OFFER CONFLICTING SUGGESTIONS ON THE EJECTION
SPEED OF THE UPPER LOW EXPECTED TO BE OVER NRN BAJA CA MON MORNING.
THIS WILL LIKELY HAVE PROFOUND IMPACTS ON THE STRENGTH OF
LOW/MID-LEVEL WINDS AND TIMING OF INCREASED LOW-LEVEL MOISTURE UP
THE LOWER CO RIVER VALLEY. MODERATE S/SWLY WINDS FROM DAY 1 SHOULD
GRADUALLY BACK/WEAKEN AS THE UPPER LOW APPROACHES. HOWEVER...A
NARROW CORRIDOR OF SUSTAINED WINDS AROUND 20 MPH MAY PERSIST ACROSS
PORTIONS OF SRN NV/SWRN UT AND FAR NWRN AZ DURING THE AFTERNOON. IT
APPEARS PLAUSIBLE THAT THE ANTECEDENT WARM/DRY AIR MASS ACROSS THE
SWRN DESERTS/GREAT BASIN WILL ALLOW CRITICALLY LOW RH TO DEVELOP IN
ADVANCE OF ANY MOISTURE SURGE. THUS...WILL MAINTAIN THE CRITICAL
AREA INTRODUCED FROM PREVIOUS OUTLOOKS.
..GRAMS.. 06/10/2007
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...