Monday, October 11, 2010

[californiadisasters] Red Flag Warnings - Diablo Winds in NorCal



EAST BAY HILLS AND DIABLO RANGE- 947 AM PDT MON OCT 11 2010  ...RED FLAG WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 AM PDT WEDNESDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR THE EAST BAY HILLS AND DIABLO RANGE...  THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM PDT WEDNESDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT.  * AFFECTED AREA: FIRE ZONE 511 EAST BAY HILLS AND DIABLO RANGE.   THIS INCLUDES THE HILLS ABOVE 1000 FEET IN ALAMEDA...CONTRA   COSTA AND SANTA CLARA COUNTIES.  * TIMING: THE STRONGEST WINDS WILL DEVELOP SHORTLY AFTER SUNSET   TONIGHT AND CONTINUE THROUGH TUESDAY MORNING. WARM AND DRY   WEATHER WILL PERSIST THROUGH WEDNESDAY MORNING.  * WIND: NORTH TO NORTHEAST WINDS FROM 15 TO 30 MPH WITH GUSTS   TO 40 MPH ABOVE 1500 FEET. THE STRONGEST WINDS ARE EXPECTED   IN THE EAST BAY HILLS OF ALAMEDA AND CONTRA COSTA COUNTY WITH   LIGHTER WINDS IN THE SANTA CLARA COUNTY HILLS.  * HUMIDITY: HUMIDITY VALUES WILL STAY BETWEEN 15 AND 30 PERCENT   FROM THIS AFTERNOON THROUGH WEDNESDAY.  * IMPACTS:THE COMBINATION OF A CRITICAL FIRE WEATHER PATTERN AND   DRY FUELS COULD LEAD TO INCREASED FIRE ACTIVITY ACROSS THE   REGION SHOULD ANY IGNITIONS OCCUR.   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 WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.  &&  $$   HTTP://WEATHER.GOV/SANFRANCISCO

URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 947 AM PDT MON OCT 11 2010  CAZ507-120400- /O.UPG.KMTR.FW.A.0002.101012T0100Z-101013T1300Z/ /O.NEW.KMTR.FW.W.0002.101012T0100Z-101013T1300Z/ NORTH BAY MOUNTAINS- 947 AM PDT MON OCT 11 2010  ...RED FLAG WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 AM PDT WEDNESDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR THE NORTH BAY HILLS ABOVE 1000 FEET IN NAPA...SONOMA AND MARIN COUNTIES...  THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM PDT WEDNESDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT.   * AFFECTED AREA: FIRE ZONE 507 NORTH BAY MOUNTAINS WHICH INCLUDES   THE HILLS ABOVE 1000 FEET IN NAPA...SONOMA AND MARIN COUNTIES.  * TIMING: GUSTY NORTH TO NORTHEAST WINDS WILL INCREASE IN THE HILLS   SHORTLY AFTER SUNSET TONIGHT. THE PERIOD OF STRONGEST WINDS WILL   BE THE OVERNIGHT HOURS OF TONIGHT THROUGH TUESDAY MORNING. WARM   AND DRY WEATHER WITH POOR RELATIVE HUMIDITY RECOVERY WILL   PERSIST THROUGH WEDNESDAY MORNING.  * WIND: NORTH TO NORTHEAST WINDS FROM 15 TO 25 MPH WITH GUSTS   TO 40 MPH ABOVE 1500 FEET...STRONGEST WINDS IN NAPA COUNTY.  * HUMIDITY: RH VALUES WILL STAY BETWEEN 15 AND 30 PERCENT THIS   AFTERNOON THROUGH WEDNESDAY.  * IMPACTS: THE COMBINATION OF A CRITICAL FIRE WEATHER PATTERN AND   DRY FUELS COULD LEAD TO INCREASED FIRE ACTIVITY ACROSS THE   REGION SHOULD ANY IGNITIONS OCCUR.   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 WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.  &&  $$

URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SACRAMENTO CA 453 AM PDT MON OCT 11 2010  ...GUSTY NORTHERLY WIND AND LOW HUMIDITY TODAY INTO TUESDAY...  .HIGH PRESSURE BUILDING INLAND WILL RESULT IN AREAS OF GUSTY NORTHERLY WIND TODAY THROUGH TUESDAY MORNING. THE WINDY CONDITIONS WILL COMBINE WITH ALREADY LOW HUMIDITY TO PRODUCE RED FLAG CONDITIONS OVER THE NORTHERN SACRAMENTO VALLEY TODAY AND IN PORTIONS OF THE COASTAL RANGE TODAY THROUGH TUESDAY MORNING.  CAZ263-279-112245- /O.NEW.KSTO.FW.W.0006.101011T1153Z-101012T1800Z/ SOUTHEAST EDGE SHASTA-TRINITY NF AND WESTERN PORTIONS OF TEHAMA- GLENN UNIT-EASTERN MENDOCINO NF- 453 AM PDT MON OCT 11 2010  ...RED FLAG WARNING IN EFFECT UNTIL 11 AM PDT TUESDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE ZONES 263 AND 279...  THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 11 AM PDT TUESDAY.  POOR OVERNIGHT HUMIDITIES OCCURRED THROUGHOUT MUCH OF THE EAST SLOPES OF THE COASTAL RANGE FROM SOUTHWESTERN SHASTA COUNTY TO NORTHERN LAKE COUNTY NORTHERN SACRAMENTO VALLEY. NORTHERLY WINDS ARE INCREASING THIS MORNING AND WILL CONTINUE TO STRENGTHEN THROUGH LATE MORNING INTO EARLY AFTERNOON. GUSTY WIND COMBINED WITH LOW HUMIDITY WILL RESULT IN RED FLAG CONDITIONS TODAY THROUGH TUESDAY MORNING...AFTER WHICH THE WINDS ARE EXPECTED TO WEAKEN.   * AFFECTED AREA: IN CALIFORNIA...FIRE ZONE 263 SOUTHEAST EDGE   SHASTA-TRINITY NF AND WESTERN PORTIONS OF TEHAMA-GLENN UNIT...   FIRE ZONE 279 EASTERN MENDOCINO NF.  * WIND: NORTH TO NORTHEAST WIND 10 TO 25 MPH WITH LOCAL GUSTS TO   35 MPH.  * HUMIDITY: DAYTIME MINIMUM HUMIDITY OF 8 TO 18 % WITH OVERNIGHT   RH RECOVERIES GENERALLY BELOW 45 PERCENT TONIGHT.   * IMPACTS: COMBINATION OF GUSTY WIND AND LOW HUMIDITY WILL CREATE   CRITICAL FIRE WEATHER CONDITIONS.   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 WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.  &&  $$   HTTP://WEATHER.GOV/SACRAMENTO

Source: http://forecast.weather.gov/wwamap/wwatxtget.php?cwa=mtr&wwa=red%20flag%20warning

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