Click for Day 1 FireWX Areal Outline Product
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...
Click for Day 2 FireWX Areal Outline Product
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...