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Fire Weather Forecasts |
Day 1 Outlook | Day 2 Outlook | Printable Version | Fire Wx Graphics | Links | Product Info
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Please refer to local WFO fire weather forecasts for specific fire
weather watches and red flag warnings.
Fire Weather Composite Maps (updated 4 times daily)
Day 3-8 Fire Weather Outlooks became official on June 12, 2007.
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Day 1 FireWX (print version) |
Day 1 FireWX Areal Outline Product
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ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 160844
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0344 AM CDT TUE SEP 16 2008
VALID 161200Z - 171200Z
...CRITICAL FIRE WEATHER AREA FOR PORTIONS OF NRN CA/ORE...
...SYNOPSIS...
AN UPPER TROUGH OFF THE CA COAST WILL PROGRESS EWD INTO NRN CA/SRN
ORE THROUGH THE PERIOD. THIS SYSTEM WILL INTERACT WITH MID LEVEL
MOISTURE AND A VERY DRY BOUNDARY LAYER TO SUPPORT SCT DRY TSTMS OVER
PORTIONS OF THE CASCADES/SIERRA NEVADA MTNS. IN ADDITION...A HOT/DRY
AIRMASS WILL LEAD TO CRITICAL FIRE WEATHER CONDITIONS OVER THIS
REGION. ISOLATED DRY TSTMS WILL ALSO BE POSSIBLE OVER PORTIONS OF
THE SRN GREAT BASIN. OTHERWISE...A LARGE AREA OF HIGH PRESSURE OVER
MUCH OF THE NATION EAST OF THE ROCKIES WILL SUPPORT DRY
CONDITIONS...BUT LIGHT WINDS WILL PRECLUDE ANY CRITICAL FIRE WEATHER
THREAT.
...CRITICAL FIRE WEATHER AREA - NRN CA....SRN ORE MTNS/VALLEYS...
PRIMARY CONDITIONS: SCT DRY TSTMS...LOW RH READINGS FROM 10-15
PERCENT
AN UPPER TROUGH OFF THE NRN CA COAST WILL MOVE SLOWLY EWD
TODAY...BEFORE LIFTING NEWD TONIGHT /AROUND AN UPPER RIDGE CENTERED
OVER THE ROCKIES/. AHEAD OF THIS SYSTEM...MID LEVEL MOISTURE WILL
COMBINE WITH INCREASING LIFT/DESTABILIZATION TO SUPPORT SCT TSTM
DEVELOPMENT /MAINLY OVER THE NRN SIERRA/SRN ORE CASCADE MTNS/. A
VERY WARM/DRY BOUNDARY LAYER BENEATH THIS LAYER WILL SUPPORT MAINLY
DRY TSTMS WITH LITTLE RAINFALL AND GUSTY/ERRATIC WINDS. TSTMS ARE
EXPECTED TO MOVE NWD THROUGH THE ORE CASCADES/ADJACENT VALLEYS
OVERNIGHT AS THE UPPER TROUGH MOVES INTO NRN CA.
...PAC NW...
OUTSIDE OF THE CRITICAL OUTLOOK AREA...VERY DRY/WARM TEMPERATURES
/OWING TO THE PRESENCE OF AN UPPER RIDGE IN CLOSE PROXIMITY/ WILL
SUPPORT A VERY WARM/DRY BOUNDARY LAYER. FORECAST SOUNDINGS INDICATE
WIDESPREAD HIGH HAINES INDICES /6/ OVER MUCH OF THE INTERIOR
PORTIONS OF THE PAC NW. IN ADDITION...ISOLATED DRY TSTMS WILL BE
POSSIBLE OVER PORTIONS OF THE NRN ORE CASCADES LATER TONIGHT.
...SRN GREAT BASIN...
A PLUME OF MID LEVEL MOISTURE /NOTED ON SATELLITE IMAGERY/ WILL MOVE
WWD ACROSS THE SRN GREAT BASIN TODAY. ISOLATED TSTMS /MAINLY DRY/
WILL BE A RESULT OVER THE REGION DURING THE AFTERNOON HOURS.
..CROSBIE.. 09/16/2008
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
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Day 2 FireWX (print version) |
Day 2 FireWX Areal Outline Product
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ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 160845
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0345 AM CDT TUE SEP 16 2008
VALID 171200Z - 181200Z
...CRITICAL FIRE WEATHER AREA FOR PORTIONS OF THE NRN GREAT
BASIN/INTERIOR PAC NW...
...SYNOPSIS...
AHEAD OF AN UPPER SYSTEM...ANOTHER CRITICAL FIRE WEATHER THREAT WILL
OCCUR AS SCT DRY TSTMS DEVELOP FROM PORTIONS OF THE NRN GREAT BASIN
INTO THE INTERIOR PAC NW TOMORROW. OTHERWISE...A LARGE AREA OF HIGH
PRESSURE AT THE SFC AND ALOFT WILL KEEP DRY CONDITIONS OVER MUCH OF
THE ERN HALF OF THE NATION...WITH NO OTHER CRITICAL FIRE WEATHER
THREAT AREAS ANTICIPATED.
...CRITICAL FIRE WEATHER AREA - PORTIONS OF THE NRN GREAT
BASIN/INTERIOR PAC NW...
PRIMARY CONDITIONS: SCT DRY TSTMS
ASSOCIATED WITH AN UPPER TROUGH MOVING THROUGH NRN CA/SRN ORE AT THE
START OF THE PERIOD...MODEST FORCING COMBINED WITH MID LEVEL
MOISTURE/INSTABILITY WILL SUPPORT THE DEVELOPMENT OF HIGH BASED
CONVECTION FROM PORTIONS OF ERN WA SWD INTO NRN NV. DRY/WARM
BOUNDARY LAYER WILL SUPPORT MAINLY DRY TSTMS WITH GUSTY/ERRATIC
WINDS.
...WRN GREAT BASIN/SIERRA NEVADA...
IN THE WAKE OF AN UPPER TROUGH...MODEST SWLY WINDS /15-20 MPH/ WILL
DEVELOP OVER THE NRN SIERRA NEVADA/WRN GREAT BASIN TOMORROW. THESE
WINDS WILL COMBINE WITH LOW RH READINGS /10-15 PERCENT/ TO PRODUCE
NEAR CRITICAL FIRE WEATHER CONDITIONS.
..CROSBIE.. 09/16/2008
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
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