Thursday, September 26, 2013

[californiadisasters] Red Flag Warnings - NorCal/CenCal (9/26/13-PM)



...RED FLAG WARNING REMAINS IN EFFECT UNTIL 3 PM PDT FRIDAY FOR   GUSTY NORTH WINDS AND LOWE HUMIDITY VALUES...      * AFFECTED AREA: FIRE ZONE 507 NORTH BAY MOUNTAINS...FIRE ZONE      511 EAST BAY HILLS AND DIABLO RANGE. THIS INCLUDES ALL HILLS      IN THE NORTH AND EAST BAY ABOVE 1000 FEET INCLUDING MOUNT      TAMALPAIS...MOUNT DIABLO AND MOUNT SAINT HELENA.      * TIMING: OFFSHORE WINDS WILL PERSIST THROUGH FRIDAY MORNING     BEFORE EASING BY FRIDAY AFTERNOON.      * WIND: NORTHEAST WINDS 10 TO 20 MPH WITH FREQUENT GUSTS 25 TO 35     MPH OVER THE HIGHER PEAKS OF NAPA COUNTY AS WELL AS MOUNT SAINT     HELENA AND MOUNT DIABLO.      * HUMIDITY: HUMIDITY VALUES AROUND 30% THIS AFTERNOON WITH LITTLE     NO OVERNIGHT RECOVERY...THEN FURTHER DRYING TO AROUND 20% FRIDAY     AFTERNOON.      * IMPACTS: WARMING AND DRYING ALONG WITH PERSISTENT OFFSHORE FLOW     WILL MAKE SUPPRESSION DIFFICULT. EXTRA CARE WITH IGNITION     SOURCES IS URGED.      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.      &&      $$      CAZ512-517-518-271300-   /O.CON.KMTR.FW.W.0004.000000T0000Z-130927T2200Z/   SANTA CRUZ MOUNTAINS-   SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-   MOUNTAINS OF SAN BENITO AND INTERIOR MONTEREY COUNTY INCLUDING   PINNACLES NATIONAL PARK-   208 PM PDT THU SEP 26 2013      ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 3 PM PDT FRIDAY FOR   GUSTY NORTH WINDS AND LOW HUMIDITY VALUES...      * AFFECTED AREA: FIRE ZONE 512 SANTA CRUZ MOUNTAINS...FIRE ZONE      517 SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST...      FIRE ZONE 518 MOUNTAINS OF SAN BENITO AND INTERIOR MONTEREY      COUNTY INCLUDING PINNACLES NATIONAL PARK. THIS INCLUDES ALL      HILLS ABOVE 1000 FEET IN MONTEREY AND SAN BENITO COUNTY AS      WELL AS THE SANTA CRUZ MOUNTAINS.      * TIMING: WARM AND DRY CONDITIONS WILL CONTINUE THIS AFTERNOON. IN     ADDITION...STRONG AND GUSTY OFFSHORE WINDS WILL CONTINUE IN THE     HILLS. LITTLE OR NO HUMIDITY RECOVERY IS EXPECTED OVERNIGHT.     CONTINUED WARMING AND DRYING ALONG WITH PERSISTENT OFFSHORE WIND     FLOW IS FORECAST THROUGH AT LEAST FRIDAY AFTERNOON.      * WIND: NORTHERLY WINDS 10 TO 20 MPH WITH FREQUENT GUSTS OF 25 TO     35 MPH. STRONGEST WINDS ARE EXPECTED OVER THE HILLS IN THE LOS     PADRES NATIONAL FOREST AS WELL AS THE HIGHER RIDGES ABOVE 2000     FEET IN SANTA CRUZ AND SAN BENITO COUNTIES. STRONGEST WINDS ARE     FORECAST TO OCCUR TONIGHT WITH WINDS GRADUALLY EASING BY FRIDAY     AFTERNOON.      * HUMIDITY: 20-30% THIS AFTERNOON WITH LITTLE OR NO RECOVERY     OVERNIGHT. CONTINUED DRYING ON FRIDAY WITH WIDESPREAD HUMIDITY     VALUES OF 10-20%.      * IMPACTS: MANY OF THE HILLS IN MONTEREY AND SAN BENITO COUNTY     HAVE RECEIVED LITTLE OR NO RAINFALL THIS SEASON. RAPID FIRE     GROWTH WILL BE LIKELY UNDER THIS WEATHER PATTERN.     HUNTERS...CAMPERS AND OTHERS VISITING THE OUTDOORS AS WELL AS     PRESCRIBED BURNERS SHOULD EXERCISE EXTREME CAUTION THROUGH FRIDAY.      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.      &&      $$      HTTP://WEATHER.GOV/SANFRANCISCO  
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