Alert archive / California / Red Flag Warnings in 2011
Red Flag Warning 3, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this red flag warning at Oct 24, 2011, 8:16 PM PDT. It took effect at Oct 25, 2011, 6:00 PM PDT. It was in force for 36 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Oct 24, 2011, 8:16 PM PDT (03:16 UTC)
- In effect from
- Oct 25, 2011, 6:00 PM PDT
- Expired
- Oct 27, 2011, 6:00 AM PDT
- In force
- 36 hr
- Issued by
- NWS San Francisco Bay Area, CA
The text
As transmitted, in the capitals the NWS used until 2016.
282 WWUS86 KMTR 250316 RFWMTR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 816 PM PDT MON OCT 24 2011 ...RED FLAG WARNING IN EFFECT TUESDAY NIGHT THROUGH EARLY THURSDAY MORNING FOR THE NORTH AND EAST BAY HILLS DUE TO GUSTY OFFSHORE WINDS AND LOW RELATIVE HUMIDITY VALUES... .AFTER A WARM AND DRY WEEKEND TEMPERATURES WILL COOL DOWN TONIGHT THROUGH TUESDAY. HOWEVER BY TUESDAY NIGHT DRY NORTHERLY WINDS WILL DEVELOP ACROSS THE NORTH AND EAST BAY HILLS. THE STRONGEST WINDS WILL OCCUR LATE TUESDAY NIGHT THROUGH ABOUT MIDDAY WEDNESDAY. HOWEVER DRY OFFSHORE WINDS WITH VERY LOW HUMIDITY WILL CONTINUE AGAIN WEDNESDAY NIGHT THROUGH SUNRISE THURSDAY... ESPECIALLY IN THE EAST BAY HILLS. CAZ507-251630- /O.UPG.KMTR.FW.A.0003.111026T0100Z-111027T1300Z/ /O.NEW.KMTR.FW.W.0003.111026T0100Z-111027T1300Z/ NORTH BAY MOUNTAINS- 816 PM PDT MON OCT 24 2011 ...RED FLAG WARNING IN EFFECT FROM 6 PM TUESDAY TO 6 AM PDT THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTH BAY HILLS ABOVE 1000 FEET IN MARIN/SONOMA AND NAPA COUNTIES... THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM 6 PM TUESDAY TO 6 AM PDT THURSDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...HILLS ABOVE 1000 FEET IN MARIN/SONOMA AND NAPA COUNTIES. THE AREA OF STRONGEST WINDS WILL BE THE HILLS OF NORTHERN AND EASTERN NAPA COUNTY AS WELL AS AROUND MOUNT ST HELENA. * WINDS...NORTH TO NORTHEAST WINDS SUSTAINED 15 TO 25 MPH WITH FREQUENT GUSTS 35 TO 40 MPH. STRONGEST WINDS WILL OCCUR LATE TUESDAY NIGHT THROUGH MIDDAY WEDNESDAY. * RELATIVE HUMIDITY...LESS THAN 30 PERCENT TUESDAY NIGHT LOWERING TO 12 TO 18 PERCENT WEDNESDAY THROUGH EARLY THURSDAY WITH NO HUMIDITY RECOVERY ON WEDNESDAY NIGHT. * IMPACTS...ANY IGNITIONS DURING THE PERIOD OF STRONGEST WINDS COULD LEAD TO NEW FIRE STARTS THAT WILL BE DIFFICULT TO SUPPRESS WITH RAPID RATES OF SPREAD. 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. && $$ CAZ511-251630- /O.UPG.KMTR.FW.A.0003.111026T0500Z-111027T1300Z/ /O.NEW.KMTR.FW.W.0003.111026T0500Z-111027T1300Z/ EAST BAY HILLS AND DIABLO RANGE- 816 PM PDT MON OCT 24 2011 ...RED FLAG WARNING IN EFFECT FROM 10 PM TUESDAY TO 6 AM PDT THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EAST BAY HILLS AND DIABLO RANGE ABOVE 1000 FEET IN ELEVATION... THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM 10 PM TUESDAY TO 6 AM PDT THURSDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...THE EAST BAY HILLS OF ALAMEDA AND CONTRA COSTA COUNTY AS WELL AS THE DIABLO RANGE OF SANTA CLARA COUNTY. THE STRONGEST WINDS WILL OCCUR LATE TUESDAY NIGHT THROUGH MIDDAY WEDNESDAY ACROSS THE EAST BAY HILLS. * WINDS...NORTHEAST WINDS 15 TO 30 MPH FREQUENT GUSTS 35 TO 40 MPH. * RELATIVE HUMIDITY...LESS THAN 30 PERCENT TUESDAY NIGHT LOWERING TO AROUND 15 PERCENT ON WEDNESDAY WITH NO HUMIDITY RECOVERY THROUGH EARLY THURSDAY. * IMPACTS...ANY IGNITIONS DURING THE PERIOD OF STRONGEST WINDS COULD LEAD TO NEW FIRE STARTS THAT WILL BE DIFFICULT TO SUPPRESS WITH RAPID RATES OF SPREAD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SANFRANCISCO (ALL LOWER CASE)
5 follow-up statements
793 WWUS86 KMTR 251630 RFWMTR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 930 AM PDT TUE OCT 25 2011 ...RED FLAG WARNING IN EFFECT TONIGHT THROUGH EARLY THURSDAY MORNING FOR THE NORTH AND EAST BAY HILLS DUE TO GUSTY OFFSHORE WINDS AND LOW RELATIVE HUMIDITY VALUES... .DRY NORTHERLY WINDS WILL DEVELOP TONIGHT ACROSS THE NORTH AND EAST BAY HILLS. THE STRONGEST WINDS WILL OCCUR AFTER MIDNIGHT TONIGHT THROUGH ABOUT MIDDAY WEDNESDAY. HOWEVER DRY OFFSHORE WINDS WITH VERY LOW HUMIDITY WILL CONTINUE AGAIN WEDNESDAY NIGHT THROUGH SUNRISE THURSDAY...ESPECIALLY IN THE EAST BAY HILLS. CAZ507-252330- /O.CON.KMTR.FW.W.0003.111026T0100Z-111027T1300Z/ NORTH BAY MOUNTAINS- 930 AM PDT TUE OCT 25 2011 ...RED FLAG WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM PDT THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTH BAY HILLS ABOVE 1000 FEET IN MARIN/SONOMA AND NAPA COUNTIES... A RED FLAG WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM PDT THURSDAY. * AFFECTED AREA...HILLS ABOVE 1000 FEET IN MARIN/SONOMA AND NAPA COUNTIES. THE AREA OF STRONGEST WINDS WILL BE THE HILLS OF NORTHERN AND EASTERN NAPA COUNTY AS WELL AS AROUND MOUNT ST HELENA. * WINDS...NORTH TO NORTHEAST WINDS SUSTAINED 15 TO 25 MPH WITH FREQUENT GUSTS 35 TO 40 MPH. STRONGEST WINDS WILL OCCUR LATE TONIGHT THROUGH MIDDAY WEDNESDAY. * RELATIVE HUMIDITY...DROPPING BELOW 30 PERCENT TONIGHT AND THEN STAYING BETWEEN 15 AND 25 PERCENT WEDNESDAY THROUGH THURSDAY WITH NO NIGHT TIME RECOVERY. * IMPACTS...ANY IGNITIONS DURING THE PERIOD OF STRONGEST WINDS COULD LEAD TO NEW FIRE STARTS THAT WILL BE DIFFICULT TO SUPPRESS WITH RAPID RATES OF SPREAD. 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. && $$ CAZ511-252330- /O.CON.KMTR.FW.W.0003.111026T0500Z-111027T1300Z/ EAST BAY HILLS AND DIABLO RANGE- 930 AM PDT TUE OCT 25 2011 ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 6 AM PDT THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EAST BAY HILLS AND DIABLO RANGE ABOVE 1000 FEET IN ELEVATION... A RED FLAG WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 6 AM PDT THURSDAY. * AFFECTED AREA...THE EAST BAY HILLS OF ALAMEDA AND CONTRA COSTA COUNTY AS WELL AS THE DIABLO RANGE OF SANTA CLARA COUNTY. THE STRONGEST WINDS WILL OCCUR LATE TONIGHT THROUGH MIDDAY WEDNESDAY ACROSS THE EAST BAY HILLS. * WINDS...NORTH TO NORTHEAST WINDS SUSTAINED 15 TO 25 MPH WITH FREQUENT GUSTS 35 TO 40 MPH. STRONGEST WINDS WILL OCCUR LATE TONIGHT THROUGH MIDDAY WEDNESDAY. * RELATIVE HUMIDITY...BETWEEN 30 AND 45 PERCENT THIS EVENING THEN LOWERING TO AROUND 30 PERCENT EARLY WEDNESDAY. RH VALUES STAYING STEADY BETWEEN 15 AND 30 PERCENT WEDNESDAY THROUGH THURSDAY WITH NO NIGHT TIME RECOVERY FORECAST. * IMPACTS...ANY IGNITIONS DURING THE PERIOD OF STRONGEST WINDS COULD LEAD TO NEW FIRE STARTS THAT WILL BE DIFFICULT TO SUPPRESS WITH RAPID RATES OF SPREAD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SANFRANCISCO (ALL LOWER CASE)
210 WWUS86 KMTR 252220 RFWMTR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 320 PM PDT TUE OCT 25 2011 ...RED FLAG WARNING IN EFFECT TONIGHT THROUGH EARLY THURSDAY MORNING FOR THE NORTH AND EAST BAY HILLS DUE TO GUSTY OFFSHORE WINDS AND LOW RELATIVE HUMIDITY VALUES... .DRY NORTHERLY WINDS WILL DEVELOP TONIGHT ACROSS THE NORTH AND EAST BAY HILLS. THE STRONGEST WINDS WILL OCCUR AFTER MIDNIGHT TONIGHT THROUGH ABOUT MIDDAY WEDNESDAY. HOWEVER DRY OFFSHORE WINDS WITH VERY LOW HUMIDITY WILL CONTINUE AGAIN WEDNESDAY NIGHT THROUGH SUNRISE THURSDAY...ESPECIALLY IN THE EAST BAY HILLS. CAZ507-261315- /O.CON.KMTR.FW.W.0003.111026T0100Z-111027T1300Z/ NORTH BAY MOUNTAINS- 320 PM PDT TUE OCT 25 2011 ...RED FLAG WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM PDT THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTH BAY HILLS ABOVE 1000 FEET IN MARIN/SONOMA AND NAPA COUNTIES... A RED FLAG WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM PDT THURSDAY. * AFFECTED AREA...HILLS ABOVE 1000 FEET IN MARIN/SONOMA AND NAPA COUNTIES. THE AREA OF STRONGEST WINDS WILL BE THE HILLS OF NORTHERN AND EASTERN NAPA COUNTY AS WELL AS AROUND MOUNT ST HELENA. * WINDS...NORTH TO NORTHEAST WINDS SUSTAINED 15 TO 25 MPH WITH FREQUENT GUSTS 35 TO 40 MPH. STRONGEST WINDS WILL OCCUR LATE TONIGHT THROUGH MIDDAY WEDNESDAY. * RELATIVE HUMIDITY...DROPPING BELOW 30 PERCENT TONIGHT AND THEN STAYING BETWEEN 15 AND 25 PERCENT WEDNESDAY THROUGH THURSDAY WITH NO NIGHT TIME RECOVERY. * IMPACTS...ANY IGNITIONS DURING THE PERIOD OF STRONGEST WINDS COULD LEAD TO NEW FIRE STARTS THAT WILL BE DIFFICULT TO SUPPRESS WITH RAPID RATES OF SPREAD. 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. && $$ CAZ511-261315- /O.CON.KMTR.FW.W.0003.111026T0500Z-111027T1300Z/ EAST BAY HILLS AND DIABLO RANGE- 320 PM PDT TUE OCT 25 2011 ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 6 AM PDT THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EAST BAY HILLS AND DIABLO RANGE ABOVE 1000 FEET IN ELEVATION... A RED FLAG WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 6 AM PDT THURSDAY. * AFFECTED AREA...THE EAST BAY HILLS OF ALAMEDA AND CONTRA COSTA COUNTY AS WELL AS THE DIABLO RANGE OF SANTA CLARA COUNTY. THE STRONGEST WINDS WILL OCCUR LATE TONIGHT THROUGH MIDDAY WEDNESDAY ACROSS THE EAST BAY HILLS. * WINDS...NORTH TO NORTHEAST WINDS SUSTAINED 15 TO 25 MPH WITH FREQUENT GUSTS 35 TO 40 MPH. STRONGEST WINDS WILL OCCUR LATE TONIGHT THROUGH MIDDAY WEDNESDAY. * RELATIVE HUMIDITY...BETWEEN 30 AND 45 PERCENT THIS EVENING THEN LOWERING TO AROUND 30 PERCENT EARLY WEDNESDAY. RH VALUES STAYING STEADY BETWEEN 15 AND 30 PERCENT WEDNESDAY THROUGH THURSDAY WITH NO NIGHT TIME RECOVERY FORECAST. * IMPACTS...ANY IGNITIONS DURING THE PERIOD OF STRONGEST WINDS COULD LEAD TO NEW FIRE STARTS THAT WILL BE DIFFICULT TO SUPPRESS WITH RAPID RATES OF SPREAD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SANFRANCISCO (ALL LOWER CASE)
037 WWUS86 KMTR 261019 RFWMTR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 319 AM PDT WED OCT 26 2011 ...RED FLAG WARNING IN EFFECT TODAY THROUGH EARLY THURSDAY MORNING FOR THE NORTH AND EAST BAY HILLS DUE TO GUSTY OFFSHORE WINDS AND LOW RELATIVE HUMIDITY VALUES... .DRY NORTHERLY WINDS WILL PREVAIL ACROSS THE NORTH AND EAST BAY HILLS. THE STRONGEST WINDS WILL OCCUR THROUGH ABOUT MIDDAY TODAY. HOWEVER DRY OFFSHORE WINDS WITH VERY LOW HUMIDITY WILL CONTINUE AGAIN TONIGHT THROUGH SUNRISE THURSDAY...ESPECIALLY IN THE EAST BAY HILLS. CAZ507-262300- /O.CON.KMTR.FW.W.0003.000000T0000Z-111027T1300Z/ NORTH BAY MOUNTAINS- 319 AM PDT WED OCT 26 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 AM PDT THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTH BAY HILLS ABOVE 1000 FEET IN MARIN/SONOMA AND NAPA COUNTIES... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 AM PDT THURSDAY. * AFFECTED AREA...HILLS ABOVE 1000 FEET IN MARIN/SONOMA AND NAPA COUNTIES. THE AREA OF STRONGEST WINDS WILL BE THE HILLS OF NORTHERN AND EASTERN NAPA COUNTY AS WELL AS AROUND MOUNT ST HELENA. * WINDS...NORTH 10 TO 20 MPH WITH GUSTS UP TO 35 MPH. * RELATIVE HUMIDITY...AS LOW AS 14 PERCENT. * IMPACTS...ANY IGNITIONS DURING THE PERIOD OF STRONGEST WINDS COULD LEAD TO NEW FIRE STARTS THAT WILL BE DIFFICULT TO SUPPRESS WITH RAPID RATES OF SPREAD. 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. && $$ CAZ511-262300- /O.CON.KMTR.FW.W.0003.000000T0000Z-111027T1300Z/ EAST BAY HILLS AND DIABLO RANGE- 319 AM PDT WED OCT 26 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 AM PDT THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EAST BAY HILLS AND DIABLO RANGE ABOVE 1000 FEET IN ELEVATION... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 AM PDT THURSDAY. * AFFECTED AREA...THE EAST BAY HILLS OF ALAMEDA AND CONTRA COSTA COUNTY AS WELL AS THE DIABLO RANGE OF SANTA CLARA COUNTY. THE STRONGEST WINDS WILL OCCUR LATE TONIGHT THROUGH MIDDAY WEDNESDAY ACROSS THE EAST BAY HILLS. * WINDS...NORTH 10 TO 20 MPH WITH GUSTS UP TO 35 MPH. * RELATIVE HUMIDITY...AS LOW AS 15 PERCENT. * IMPACTS...ANY IGNITIONS DURING THE PERIOD OF STRONGEST WINDS COULD LEAD TO NEW FIRE STARTS THAT WILL BE DIFFICULT TO SUPPRESS WITH RAPID RATES OF SPREAD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SANFRANCISCO (ALL LOWER CASE)
498 WWUS86 KMTR 262149 RFWMTR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 249 PM PDT WED OCT 26 2011 ...RED FLAG WARNING IN EFFECT THROUGH 6 AM THURSDAY MORNING FOR THE NORTH AND EAST BAY HILLS FOR OFFSHORE WINDS AND LOW RELATIVE HUMIDITY VALUES... .DRY OFFSHORE WINDS WITH VERY LOW HUMIDITY LESS THAN 30 PERCENT WILL CONTINUE TONIGHT THROUGH 6 AM THURSDAY...ESPECIALLY IN THE EAST BAY HILLS. CAZ507-271300- /O.CON.KMTR.FW.W.0003.000000T0000Z-111027T1300Z/ NORTH BAY MOUNTAINS- 249 PM PDT WED OCT 26 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 AM PDT THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTH BAY HILLS ABOVE 1000 FEET IN MARIN/SONOMA AND NAPA COUNTIES... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 AM PDT THURSDAY. * AFFECTED AREA...HILLS ABOVE 1000 FEET IN MARIN...SONOMA AND NAPA COUNTIES. * WINDS...NORTHEAST 5 TO 15 MPH WITH GUSTS UP TO 20 MPH. * RELATIVE HUMIDITY...15 TO 30 PERCENT WITH LITTLE OR NO HUMIDITY RECOVERY OVERNIGHT. * IMPACTS...THE COMBINATION OF LOW HUMIDITY...DRY WIND AND FUELS WILL CREATE A CRITICAL FIRE WEATHER PATTERN SHOULD ANY NEW 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. && $$ CAZ511-271300- /O.CON.KMTR.FW.W.0003.000000T0000Z-111027T1300Z/ EAST BAY HILLS AND DIABLO RANGE- 249 PM PDT WED OCT 26 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 AM PDT THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EAST BAY HILLS AND DIABLO RANGE ABOVE 1000 FEET IN ELEVATION... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 AM PDT THURSDAY. * AFFECTED AREA...THE EAST BAY HILLS OF ALAMEDA AND CONTRA COSTA COUNTY AS WELL AS THE DIABLO RANGE OF SANTA CLARA COUNTY. * WINDS...NORTHEAST TO EAST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH. * RELATIVE HUMIDITY...15 TO 30 PERCENT WITH LITTLE OR NO HUMIDITY RECOVERY OVERNIGHT. * IMPACTS...THE COMBINATION OF LOW HUMIDITY...DRY WIND AND FUELS WILL CREATE A CRITICAL FIRE WEATHER PATTERN SHOULD ANY NEW IGNITIONS OCCUR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SANFRANCISCO (ALL LOWER CASE)
453 WWUS86 KMTR 271249 RFWMTR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 549 AM PDT THU OCT 27 2011 ...RED FLAG WARNING WILL EXPIRE AT 6 AM PDT THIS MORNING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTH BAY MOUNTAINS AND THE EAST BAY HILLS... CAZ507-271400- /O.EXP.KMTR.FW.W.0003.000000T0000Z-111027T1300Z/ NORTH BAY MOUNTAINS- 549 AM PDT THU OCT 27 2011 ...RED FLAG WARNING WILL EXPIRE AT 6 AM PDT THIS MORNING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTH BAY MOUNTAINS... THE RED FLAG WARNING WILL EXPIRE AT 6 AM PDT EARLY THIS MORNING. ALTHOUGH RELATIVE HUMIDITY VALUES REMAIN LOW...WINDS HAVE DIMINISHED ACROSS THE AREA. $$ CAZ511-271400- /O.EXP.KMTR.FW.W.0003.000000T0000Z-111027T1300Z/ EAST BAY HILLS AND DIABLO RANGE- 549 AM PDT THU OCT 27 2011 ...RED FLAG WARNING WILL EXPIRE AT 6 AM PDT THIS MORNING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EAST BAY HILLS... THE RED FLAG WARNING WILL EXPIRE AT 6 AM PDT EARLY THIS MORNING. ALTHOUGH RELATIVE HUMIDITY VALUES REMAIN LOW...WINDS HAVE DIMINISHED ACROSS THE AREA. $$ FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SANFRANCISCO (ALL LOWER CASE)
The office that day
Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 25, 8:48 AM PDT | Small Craft Advisory for Hazardous Seas | MTR | 20 hr |
Nearby
Red Flag Warnings in California, 2011Every red flag warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.