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Thursday, October 3, 2013

North Ops #RedFlagWarning / #FireWxWatch Low RH and High Winds SF Bay Area, Santa Cruz, Diablo Range. #CaFire

The National Weather Service  has issued a Red Flag Warning for strong gusty north winds and low humidity for East Bay Hills, Diablo Range, Coastal Range, Henry Coe State Park 

A COMBINATION OF STRONG WINDS, LOW RELATIVE HUMIDITY WILL CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

 Red Flag Warning / Fire Wx Watch
.Northeast to east winds sustained 10 to 20 mph with local gusts as high as 40 mph through and below canyons and passes. Winds will peak Friday night.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
416 AM PDT THU OCT 3 2013

CAZ507-040315-
/O.CON.KMTR.FW.W.0005.131004T0100Z-131005T1300Z/
NORTH BAY MOUNTAINS-
416 AM PDT THU OCT 3 2013

...RED FLAG WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
6 AM PDT SATURDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR THE NORTH
BAY HILLS ABOVE 1000 FEET..

* AFFECTED AREA: FIRE ZONE 507 NORTH BAY MOUNTAINS. ALL HILLS
  ABOVE 1000 FEET IN MARIN...SONOMA AND NAPA COUNTY. THE
  STRONGEST WINDS WILL BE IN NAPA COUNTY ALONG THE LAKE AND
  YOLO COUNTY LINE.

* TIMING: THE STRONGEST OFFSHORE WINDS WILL DEVELOP BY EARLY
  TONIGHT AND THEN PEAK OVERNIGHT INTO FRIDAY MORNING.

* WIND: NORTHEAST WINDS 10 TO 20 MPH WITH FREQUENT GUSTS 30 TO
  40 MPH.

* HUMIDITY: 20 TO 30 PERCENT TONIGHT...DRYING TO 10 TO 20 PERCENT
  BY FRIDAY AFTERNOON

* IMPACTS: THE COMBINATION OF DRY FUELS...STRONG WINDS AND LOW
  HUMIDITY WILL CREATE CRITICAL FIRE WEATHER CONDITIONS WHERE
  ANY NEW IGNITIONS COULD SEE RAPID FIRE GROWTH.

PRECAUTIONARY/PREPAREDNESS ACTIONS..

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.




URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
416 AM PDT THU OCT 3 2013

CAZ511-040315-
/O.CON.KMTR.FW.W.0005.131004T0100Z-131005T1300Z/
EAST BAY HILLS AND DIABLO RANGE-
416 AM PDT THU OCT 3 2013

...RED FLAG WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
6 AM PDT SATURDAY FOR FOR GUSTY WINDS AND LOW HUMIDITY FOR THE
EAST BAY HILLS ABOVE 1000 FEET..

* AFFECTED AREA: FIRE ZONE 511 EAST BAY HILLS AND DIABLO RANGE.
  THE HILLS OF CONTRA COSTA...ALAMEDA AND INTERIOR SANTA CLARA
  COUNTY ABOVE 1000 FEET INCLUDING MOUNT DIABLO AND HENRY COE
  STATE PARKS.

* TIMING: THE STRONGEST OFFSHORE WINDS WILL DEVELOP TONIGHT INTO
  FRIDAY MORNING WITH VERY LOW RELATIVE HUMIDITY VALUES FRIDAY
  AFTERNOON. CONDITIONS WILL ONLY SLOWLY IMPROVE OVER THE WEEKEND.

* WIND: NORTHEAST WINDS 15 TO 25 MPH WITH FREQUENT GUSTS 35 TO
  45 MPH AND LOCAL GUSTS IN EXCESS OF 50 MPH ABOVE 2500 FEET.

* HUMIDITY: 20 TO 30 PERCENT TONIGHT...DRYING TO 10 TO 20 PERCENT
  BY FRIDAY AFTERNOON

* IMPACTS: THE COMBINATION OF DRY FUELS...STRONG WINDS AND LOW
  HUMIDITY WILL CREATE CRITICAL FIRE WEATHER CONDITIONS WHERE
  ANY NEW IGNITIONS COULD SEE RAPID FIRE GROWTH.

PRECAUTIONARY/PREPAREDNESS ACTIONS..

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.



URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
416 AM PDT THU OCT 3 2013

CAZ512-040315-
/O.CON.KMTR.FW.W.0005.131004T0100Z-131005T1300Z/
SANTA CRUZ MOUNTAINS-
416 AM PDT THU OCT 3 2013

...RED FLAG WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
6 AM PDT SATURDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR THE SANTA
CRUZ MOUNTAINS ABOVE 1000 FEET..

* AFFECTED AREA: FIRE ZONE 512 SANTA CRUZ MOUNTAINS. THE HILLS
  ABOVE 1000 FEET IN SANTA CRUZ AND SAN MATEO COUNTY.

* TIMING: THE STRONGEST WINDS WILL DEVELOP TONIGHT INTO FRIDAY
  MORNING WITH VERY DRY RELATIVE HUMIDITY VALUES INTO FRIDAY
  AFTERNOON. CONDITIONS WILL ONLY SLOWLY IMPROVE INTO THE WEEKEND.

* WIND: NORTHEAST WINDS 10 TO 20 MPH WITH FREQUENT GUSTS TO 30
  MPH...LOCALLY STRONGER OVER THE HIGHER RIDGES ABOVE 2500 FEET.

* HUMIDITY: 20 TO 30 PERCENT TONIGHT...DRYING TO 10 TO 20 PERCENT
  BY FRIDAY AFTERNOON

* IMPACTS: THE COMBINATION OF DRY FUELS...STRONG WINDS AND LOW
  HUMIDITY WILL CREATE CRITICAL FIRE WEATHER CONDITIONS WHERE
  ANY NEW IGNITIONS COULD SEE RAPID FIRE GROWTH.

PRECAUTIONARY/PREPAREDNESS ACTIONS..

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

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****REMINDER**** Every fire has the ability to be catastrophic. The wildland fire management environment has profoundly changed. Growing numbers of communities, across the nation, are experiencing longer fire seasons; more frequent, bigger, and more severe, fires are a real threat. Be careful with all campfires and equipment.
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