Storm Prediction Center
Day 1 and Day 2 Fire Weather Outlooks
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 150908
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0408 AM CDT WED JUN 15 2005
VALID 151200Z - 161200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
AN UNSEASONABLY STRONG UPPER TROUGH WILL APPROACH THE WEST COAST
LATE IN THE PERIOD. DOWNSTREAM OF THIS TROUGH...UPPER RIDGING WILL
GRADUALLY BUILD EWD INTO THE PLAINS STATES. VERY WARM TEMPERATURES
WILL OCCUR OVER THE SRN THIRD OF THE NATION WITH TEMPERATURES 5-10
DEG ABOVE NORMAL. RH READINGS WILL BE LOW AS A RESULT OVER THE SWRN
STATES AND GREAT BASIN. THE LATE TIMING OF AN APPROACHING STRONG
TROUGH INTO THE WEST COAST WILL PRECLUDE A CRITICAL FIRE WEATHER
THREAT OVER THE GREAT BASIN/SWRN STATES TODAY. ELSEWHERE...MID LEVEL
MOISTURE WILL INTERACT WITH A LEAD SHORTWAVE TROUGH TO AID IN
ISOLATED-SCT DRY TSTMS OVER PORTIONS OF THE SRN/CENTRAL ROCKIES.
...GREAT BASIN/SWRN STATES...
SUSTAINED SWLY WINDS MAY BRIEFLY EXCEED 20 MPH OVER THE REGION
DURING THE AFTERNOON HOURS TODAY AS MID LEVEL FLOW GRADUALLY
STRENGTHENS AND STEEP LAPSE RATES EXIST BENEATH THE INCREASING MID
LEVEL FLOW. VERY WARM TEMPERATURES WILL AID IN MIN RH READINGS
FALLING TO BETWEEN 6-10 PERCENT.
...SRN/CENTRAL ROCKIES...
MID LVL MOISTURE STREAMING NWD OVER THE SRN ROCKIES WILL INTERACT
WITH SRN STREAM SHORTWAVE TROUGH. AS A RESULT..ISO-SCT TSTMS WILL
DEVELOP OVER MUCH OF NM...ERN AZ NWD INTO ERN UT AND WRN CO. FCST
SOUNDINGS SUGGEST THAT A SUFFICIENTLY DEEP DRY SUB-CLOUD LAYER WILL
EXIST THAT LITTLE TO NO PRECIPITATION WILL REACH THE SFC.
HOWEVER...OVERALL COVERAGE OF DRY-TSTMS IS NOT EXPECTED TO BE
SUFFICIENT FOR A CRITICAL FIRE WEATHER THREAT.
..CROSBIE.. 06/15/2005
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 150909
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0409 AM CDT WED JUN 15 2005
VALID 161200Z - 171200Z
...CRITICAL FIRE WEATHER AREA FOR A PORTION OF THE GREAT
BASIN/SOUTHWEST...
...SYNOPSIS...
STRONG UPPER TROUGH WILL CONTINUE TO DIG INTO THE WRN STATES THROUGH
THE PERIOD...LEADING TO INCREASING SFC WINDS OVER THE GREAT
BASIN/SWRN STATES. COMBINED WITH MIN RH READINGS LESS THAN 15
PERCENT...CRITICAL FIRE WEATHER CONDITIONS WILL EXIST OVER THE
REGION DURING THE PERIOD. FARTHER EAST...UPPER RIDGING WILL REMAIN
OVER THE PLAINS STATES...WITH TROUGHING OVER THE ERN THIRD OF THE
NATION
...CRITICAL FIRE WEATHER AREA 1 - SRN/ERN AND PORTIONS OF CENTRAL
NV...NWRN AZ AND WCENTRAL/SWRN UT...
PRIMARY CONDITIONS: MIN RH READINGS FROM 10-15 PERCENT...SUSTAINED
SWLY WINDS AROUND 20 MPH FOR 3-4 HRS
DEEPENING UPPER TROUGH OVER THE WEST COAST WILL LEAD TO
STRENGTHENING SFC CYCLONE OVER THE NRN GREAT BASIN. THIS COMBINED
WITH INCREASING MID LVL WINDS WILL SUPPORT THE DEVELOPMENT OF
MODERATE SUSTAINED SFC WINDS OVER PORTIONS OF THE REGION. DESPITE
THE LIKELY PRESENCE OF MID/HIGH CLOUD COVER /AHEAD OF THE WEST COAST
UPPER TROUGH/ OVERSPREADING THE AREA DURING THE AFTERNOON AIDING IN
A FEW DEGREES OF COOLING FROM THAN DAY ONE...RH READINGS ARE STILL
FCST TO RANGE FROM 10-15 PERCENT. BREEZY CONDITIONS WILL LIKELY
CONTINUE WELL INTO THE OVERNIGHT HOURS IN HIGHER TERRAIN GIVEN
STATIONARY NATURE OF THE UPPER LEVEL FEATURES. IN ADDITION
...ISOLATED-SCT DRY THUNDERSTORMS ARE POSSIBLE OVER NRN NV/NRN UT
DURING THE AFTERNOON/EVENING HOURS WHERE STRONG FORCING AND MID
LEVEL MOISTURE/INSTABILITY PLUME WILL CO-EXIST.
...CENTRAL/SRN ROCKIES...
WEST OF THE LOW LEVEL MOISTURE OVER THE HIGH PLAINS OF ERN
CO/NM...SUFFICIENT MID-LVL INSTABILITY WILL EXIST FOR ISOLATED TSTMS
OVER CENTRAL CO/NM DURING THE PERIOD. ENOUGH MID LEVEL INSTABILITY
AND SHEAR WILL EXIST THAT ISO DRY THUNDERSTORMS WILL BE POSSIBLE
DURING THE AFTERNOON/EVENING HOURS.
..CROSBIE.. 06/15/2005
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
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