Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 300851
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0351 AM CDT SAT SEP 30 2006
VALID 301200Z - 011200Z
...CRITICAL FIRE WEATHER AREA FOR WRN/CENTRAL MT...
...SYNOPSIS...
A BREAKDOWN OF THE UPPER RIDGE WILL OCCUR TODAY OVER THE NRN ROCKIES
AS AN UPPER SYSTEM MOVES FROM EWD FROM THE PAC NW COAST. AS THIS
OCCURS...WLY WINDS WILL INCREASE OVER THE NRN ROCKIES...AND COMBINED
WITH WARM TEMPERATURES/LOW RH READINGS WILL SUPPORT A CRITICAL FIRE
WEATHER THREAT. MEANWHILE...SLY WINDS WILL BEGIN TO INCREASE OVER
THE PLAINS AS A BROAD UPPER TROUGH IS REPLACED BY UPPER RIDGING.
WIND SPEEDS SHOULD REMAIN BELOW CRITICAL LEVELS IN THIS REGION.
ELSEWHERE ACROSS THE NATION...SFC HIGH PRESSURE WILL MOVE EWD ACROSS
THE SERN STATES AND SUPPORT LOW HUMIDITIES AND LIGHT WINDS.
...CRITICAL FIRE WEATHER AREA - PORTIONS OF WRN/CENTRAL MT...
PRIMARY CONDITIONS: SUSTAINED WLY WINDS FROM 20-25 MPH WITH GUSTS
OVER 40 MPH...MIN RH READINGS NEAR 15 PERCENT...LONG TERM DROUGHT
AS AN UPPER TROUGH OFF THE PAC NW COAST MOVES STEADILY EWD
TODAY...THE UPPER RIDGE CURRENTLY OVER THE NRN ROCKIES WILL BREAK
DOWN. ABOVE NORMAL TEMPERATURES AND LOW RH READINGS WILL AGAIN BE
PRESENT OVER THE REGION AS DOWNSLOPE FLOW COUNTERACTS MID LEVEL
COOLING. HOWEVER THE DOWNSLOPE WARMING WILL STEEPEN LOW LEVEL LAPSE
RATES AND SUPPORT A WELL MIXED LOWER ATMOSPHERE. MODERATE MID LEVEL
WIND FIELDS ARE ANTICIPATED TO MIX TOWARDS THE SURFACE SUPPORTING
SUSTAINED WLY WINDS FROM 20-25 MPH WITH GUSTS OVER 40 MPH. THESE
CONDITIONS WILL SUPPORT A CRITICAL FIRE WEATHER THREAT INTO THE
EARLY EVENING HRS WHEN WINDS DIMINISH AND RH READINGS IMPROVE.
...SRN AL/GA AND NRN FL...
NORTH OF A FRONT WHICH WILL REMAIN NEARLY STATIONARY OVER
CENTRAL/SRN FL DURING THE PERIOD...AN AREA OF SFC HIGH PRESSURE AND
ASSOCIATED DRY AIRMASS /DEWPTS IN THE 40S/ WILL EXIST OVER THE
REGION. GENERALLY LIGHT NLY/ELY WINDS LESS THAN 10 MPH WILL PRECLUDE
A CRITICAL FIRE WEATHER THREAT. ALTHOUGH RECENT BELOW AVERAGE
PRECIPITATION AND LOW MIN RH READINGS FROM 25-30 PERCENT WILL
SUPPORT A VERY HIGH FIRE DANGER.
...HIGH PLAINS...
SLY WINDS WILL INCREASE TO AROUND 15 MPH DURING THE AFTERNOON TODAY
IN RESPONSE TO STRENGTHENING LEE TROUGH AS UPPER RIDGE SHIFTS EWD
FROM THE ROCKIES AND BREAKDOWNS. GENERALLY DRY AIR AND WELL ABOVE
NORMAL TEMPERATURES WILL SUPPORT MIN RH READINGS FROM 15-20 PERCENT.
..CROSBIE.. 09/30/2006
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 300952
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0452 AM CDT SAT SEP 30 2006
VALID 011200Z - 021200Z
...CRITICAL FIRE WEATHER AREA FOR FOR DRY TSTMS FOR THE ERN GREAT
BASIN...
...SYNOPSIS...
TWO SRN STREAM UPPER TROUGHS WILL MOVE INTO SRN CA AND THE SRN GREAT
BASIN THROUGH THE PERIOD. AHEAD OF THESE TROUGHS...STRONG FORCING
COMBINED WITH MID LEVEL MOISTURE AND INSTABILITY WILL SUPPORT
ISOLATED/SCT TSTMS OVER THE GREAT BASIN. CONDITIONS APPEAR FAVORABLE
FOR A FEW DRY TSTMS CAPABLE OF PRODUCING GUSTY/ERRATIC WINDS AND
POSSIBLE FIRE STARTS. FURTHER EAST...UPPER RIDGING WILL CONTINUE TO
FLATTEN OVER THE PLAINS...SUPPORTING INCREASING MID LEVEL FLOW OVER
THE CENTRAL ROCKIES. AS A RESULT...THE LEE TROUGH WILL DEEPEN OVER
THE HIGH PLAINS. INCREASING SSWLY WINDS WILL OCCUR OVER THE SRN
PLAINS. LIMITED MOISTURE RETURN WILL AID IN NEAR CRITICAL FIRE
WEATHER CONDITIONS OVER MUCH OF THE TX PANHANDLE...WRN OK AND
WRN/SRN KS.
...CRITICAL FIRE WEATHER AREA - ERN GREAT BASIN...
PRIMARY CONDITIONS: SCT DRY TSTMS
AS THE LEAD UPPER LEVEL SHORTWAVE MOVES INTO THE REGION DURING THE
PERIOD...MODERATE MID LEVEL COOLING/DESTABILIZING WILL SUPPORT TSTM
DEVELOPMENT DURING THE AFTERNOON/EVENING. DRY LOWER LEVELS /PWAT
VALUES AROUND 0.60 IN./ ALONG WITH RELATIVELY FAST STORM MOTIONS
WILL SUPPORT DRY TSTMS WITH LITTLE OR NO PRECIPITATION ACROSS ERN
NV/WRN UT.
...SRN HIGH PLAINS...
AS SFC LEE TROUGH STRENGTHENS TOMORROW THE SENSIBLE RESULT WILL BE
AN INCREASE IN THE LOWER LEVEL WIND FIELDS/PRESSURE GRADIENT. WELL
ABOVE NORMAL TEMPERATURES IN THE LOWER 90S AND LIMITED MOISTURE
RETURNS /DEWPTS IN THE 40 AND LOWER 50S/ WILL SUPPORT MIN RH
READINGS FROM 15-20 PERCENT. SUSTAINED WINDS FROM THE TX
PANHANDLE...WRN OK AND SWRN KS WILL AVERAGE FROM 20-25 MPH
SUPPORTING NEAR CRITICAL FIRE WEATHER CONDITIONS.
...SRN GREAT BASIN...
UNCERTAINTY EXISTS ON THE AMT OF HIGH CLOUD COVER THAT WILL
OVERSPREAD THE SRN GREAT BASIN IN ASSOCIATION WITH APPROACHING UPPER
TROUGHS. IF LESS HIGH CLOUD COVER APPEARS POSSIBLE IN LATER
OUTLOOK...THE SUSTAINED SWLY WINDS FROM 20-25 MPH AND LOW RH
READINGS FROM 10-15 PERCENT WOULD SUPPORT A CRITICAL FIRE WEATHER
THREAT.
...NRN FL...
SURFACE FRONT WILL MOVE SWD INTO SRN FL. NORTH OF THIS FRONT...HIGH
PRESSURE WILL GRADUALLY MOVE EWD. ANOTHER DAY OF LOW RH READINGS
FROM 25-30 PERCENT WILL SUPPORT NEAR CRITICAL FIRE WEATHER
CONDITIONS.
..CROSBIE.. 09/30/2006
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...