Alert archive / California / Red Flag Warnings in 2015
Red Flag Warning 2, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this red flag warning at Oct 3, 2015, 1:59 AM PDT. It took effect at Oct 3, 2015, 6:00 PM PDT. It was in force for 13 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 3, 2015, 1:59 AM PDT (08:59 UTC)
- In effect from
- Oct 3, 2015, 6:00 PM PDT
- Expired
- Oct 4, 2015, 7:13 AM PDT
- In force
- 13 hr
- Issued by
- NWS San Francisco Bay Area, CA
The text
As transmitted, in the capitals the NWS used until 2016.
837 WWUS86 KMTR 030859 RFWMTR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO CA 159 AM PDT SAT OCT 3 2015 ...RED FLAG WARNING NORTH AND EAST BAY HILLS TONIGHT INTO EARLY SUNDAY MORNING FOR STRONG WINDS... .AN UNSEASONABLY STRONG LOW WILL DROP INTO CALIFORNIA BY THIS EVENING. THE TRAJECTORY WILL BRING STRONG NORTHEAST WINDS TO THE NORTH AND EAST BAY HILLS STARTING THIS EVENING AND LASTING THROUGH SUNDAY MORNING. WIND GUSTS TO 50 MPH WILL BE POSSIBLE LEADING TO POSSIBLE RAPID FIRE GROWTH SHOULD ANY NEW STARTS OCCUR. CAZ507-032200- /O.NEW.KMTR.FW.W.0002.151004T0100Z-151004T1700Z/ NORTH BAY MOUNTAINS- 159 AM PDT SAT OCT 3 2015 ...RED FLAG WARNING IN EFFECT FROM 6 PM THIS EVENING TO 10 AM PDT SUNDAY FOR STRONG WINDS FOR FIRE WEATHER ZONE 507 WHICH INCLUDES ALL OF THE NORTH BAY HILLS ABOVE 1000 FEET... THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 10 AM PDT SUNDAY. * AFFECTED AREA...FIRE WEATHER ZONE 507 WHICH INCLUDES THE NAPA...SONOMA AND MARIN HILLS ABOVE 1000 FEET. THE STRONGEST WINDS WILL LIKELY BE IN NAPA COUNTY ALONG THE YOLO COUNTY LINE. IN ADDITION THE HILLS AROUND MOUNT SAINT HELENA AND MOUNT TAMALPAIS WILL SEE THE STRONG WINDS. * WIND...NORTHEAST TO EAST WINDS 15 TO 30 MPH WITH FREQUENT GUSTS FROM 40 TO 50 MPH IN THE HILLS ABOVE 2000 FEET. * HUMIDITY...HUMIDITY VALUES WILL BE MARGINAL WITH THIS EVENT BUT SHOULD DROP FROM 30-40% AND LOCALLY TO 25% DUE TO DOWNSLOPE DRYING. * HIGHEST THREAT...CONCERN WILL BE FOR DOWNED TREES AND POWERLINES THAT COULD LEAD TO NEW STARTS ESPECIALLY DURING THE OVERNIGHT HOURS WHEN THE STRONGEST WINDS ARE EXPECTED. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 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 DRY FUELS CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ CAZ511-032200- /O.NEW.KMTR.FW.W.0002.151004T0100Z-151004T1700Z/ EAST BAY HILLS AND DIABLO RANGE- 159 AM PDT SAT OCT 3 2015 ...RED FLAG WARNING IN EFFECT FROM 6 PM THIS EVENING TO 10 AM PDT SUNDAY FOR STRONG WINDS FOR FIRE WEATHER ZONE 511 WHICH INCLUDES THE EAST BAY HILLS ABOVE 1000 FEET. THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 10 AM PDT SUNDAY. * AFFECTED AREA...FIRE WEATHER ZONE 511. STRONGEST WINDS EXPECTED ACROSS THE HILLS OF CONTRA COSTA COUNTY AS WELL AS ALAMEDA COUNTY. THIS INCLUDES MOUNT DIABLO AND MANY OF THE PARK LANDS OF EAST BAY REGIONAL PARKS. * WIND...NORTHEAST WINDS 15 TO 30 MPH WITH FREQUENT GUSTS 40 TO 50 MPH. * HUMIDITY...HUMIDITY WILL BE FAIRLY HIGH WITH THIS EVENT FROM 35-50% HOWEVER THE STRENGTH OF THE WINDS AND DRY FALL FUELS IS OF CONCERN. * HIGHEST THREAT....CONCERN WILL BE FOR DOWNED TREES AND POWERLINES THAT COULD LEAD TO NEW STARTS ESPECIALLY DURING THE OVERNIGHT HOURS WHEN THE STRONGEST WINDS ARE EXPECTED. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND DRY FUELS CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$
3 follow-up statements
703 WWUS86 KMTR 032120 RFWMTR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO CA 220 PM PDT SAT OCT 3 2015 ...RED FLAG WARNING NORTH AND EAST BAY HILLS TONIGHT INTO EARLY SUNDAY MORNING FOR STRONG WINDS... .AN UNSEASONABLY STRONG LOW WILL DROP INTO CALIFORNIA BY THIS EVENING. THE TRAJECTORY WILL BRING STRONG NORTHEAST WINDS TO THE NORTH AND EAST BAY HILLS STARTING THIS EVENING AND LASTING THROUGH SUNDAY MORNING. WIND GUSTS TO 50 MPH WILL BE POSSIBLE LEADING TO POSSIBLE RAPID FIRE GROWTH SHOULD ANY NEW STARTS OCCUR. CAZ507-041300- /O.CON.KMTR.FW.W.0002.151004T0100Z-151004T1700Z/ NORTH BAY MOUNTAINS- 220 PM PDT SAT OCT 3 2015 ...RED FLAG WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 10 AM PDT SUNDAY FOR STRONG WINDS FOR FIRE WEATHER ZONE 507... * AFFECTED AREA...FIRE WEATHER ZONE 507. * WIND...NORTHEAST TO EAST WINDS 15 TO 30 MPH WITH FREQUENT GUSTSFROM 40 TO 50 MPH IN THE HILLS ABOVE 2000 FEET. * HUMIDITY...HUMIDITY VALUES WILL BE MARGINAL WITH THIS EVENT BUTSHOULD DROP FROM 30-40% AND LOCALLY TO 25% DUE TO DOWNSLOPE DRYING. * HIGHEST THREAT...CONCERN WILL BE FOR DOWNED TREES AND POWERLINES THAT COULD LEAD TO NEW STARTS ESPECIALLY DURING THE OVERNIGHT HOURS WHEN THE STRONGEST WINDS ARE EXPECTED. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 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 DRY FUELS CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ CAZ511-041300- /O.CON.KMTR.FW.W.0002.151004T0100Z-151004T1700Z/ EAST BAY HILLS AND DIABLO RANGE- 220 PM PDT SAT OCT 3 2015 ...RED FLAG WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 10 AM PDT SUNDAY FOR STRONG WINDS FOR FIRE WEATHER ZONE 511... * AFFECTED AREA...FIRE WEATHER ZONE 511. * WIND...NORTHEAST WINDS 15 TO 30 MPH WITH FREQUENT GUSTS 40 TO 50 MPH. * HUMIDITY...HUMIDITY WILL BE FAIRLY HIGH WITH THIS EVENT FROM 35-50% HOWEVER THE STRENGTH OF THE WINDS AND DRY FALL FUELS IS OF CONCERN. * HIGHEST THREAT....CONCERN WILL BE FOR DOWNED TREES AND POWERLINES THAT COULD LEAD TO NEW STARTS ESPECIALLY DURING THE OVERNIGHT HOURS WHEN THE STRONGEST WINDS ARE EXPECTED. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND DRY FUELS CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$
207 WWUS86 KMTR 041213 RFWMTR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO CA 513 AM PDT SUN OCT 4 2015 ...RED FLAG WARNING CONTINUES IN THE NORTH AND EAST BAY HILLS THROUGH 10 AM PDT THIS MORNING FOR GUSTY WINDS... .AN UNSEASONABLY STRONG LOW WAS MOVING INTO CENTRAL CALIFORNIA EARLY ON SUNDAY MORNING. THIS LOW HAS PRODUCED LOCALLY STRONG AND GUSTY WINDS IN THE NORTH AND EAST BAY HILLS SINCE LATE SATURDAY...AS WELL AS ISOLATED THUNDERSTORMS. THUNDERSTORMS ARE NO LONGER EXPECTED. WINDS HAVE DECREASED SINCE MIDNIGHT...BUT WILL REMAIN RELATIVELY STRONG AND GUSTY THROUGH MID MORNING. CAZ507-041700- /O.CON.KMTR.FW.W.0002.000000T0000Z-151004T1700Z/ NORTH BAY MOUNTAINS- 513 AM PDT SUN OCT 4 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 AM PDT THIS MORNING FOR STRONG WINDS FOR FIRE WEATHER ZONE 507... * AFFECTED AREA...FIRE WEATHER ZONE 507. * WIND...NORTHEAST TO EAST WINDS 15 TO 25 MPH WITH FREQUENT GUSTS FROM 30 TO 40 MPH IN THE HILLS ABOVE 1000 FEET. * HUMIDITY...HUMIDITY VALUES WILL BE MARGINAL WITH THIS EVENT BUT WILL BE LOCALLY AS LOW AS 40% DUE TO DOWNSLOPE DRYING. * HIGHEST THREAT...CONCERN WILL BE FOR DOWNED TREES AND POWERLINES THAT COULD LEAD TO NEW FIRE STARTS ESPECIALLY DURING THE OVERNIGHT HOURS WHEN THE STRONGEST WINDS ARE EXPECTED. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. 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 DRY FUELS CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ CAZ511-041700- /O.CON.KMTR.FW.W.0002.000000T0000Z-151004T1700Z/ EAST BAY HILLS AND DIABLO RANGE- 513 AM PDT SUN OCT 4 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 AM PDT THIS MORNING FOR STRONG WINDS FOR FIRE WEATHER ZONE 511... * AFFECTED AREA...FIRE WEATHER ZONE 511. * WIND...NORTHEAST WINDS 10 TO 20 MPH WITH FREQUENT GUSTS 30 TO 40 MPH ABOVE 1000 FEET. * HUMIDITY...HUMIDITY WILL BE FAIRLY HIGH WITH THIS EVENT. HOWEVER THE STRENGTH OF THE WINDS AND DRY FALL FUELS IS OF CONCERN. * HIGHEST THREAT....CONCERN WILL BE FOR DOWNED TREES AND POWERLINES THAT COULD LEAD TO NEW STARTS ESPECIALLY DURING THE OVERNIGHT HOURS WHEN THE STRONGEST WINDS ARE EXPECTED. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND DRY FUELS CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$
300 WWUS86 KMTR 041413 RFWMTR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO CA 713 AM PDT SUN OCT 4 2015 CAZ507-511-041515- /O.CAN.KMTR.FW.W.0002.000000T0000Z-151004T1700Z/ NORTH BAY MOUNTAINS-EAST BAY HILLS AND DIABLO RANGE- 713 AM PDT SUN OCT 4 2015 ...RED FLAG WARNING IS CANCELLED FOR STRONG WINDS FOR FIRE WEATHER ZONES 507 AND 511... THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS CANCELLED THE RED FLAG WARNING. WINDS HAVE FALLEN BELOW CRITICAL THRESHOLDS THIS MORNING. PLEASE CONTINUE TO REPORT ANY FIRES THAT MAY HAVE STARTED DUE TO DOWNED TREES COLLIDING WITH POWER LINES TO YOUR LOCAL EMERGENCY SERVICES. $$
The office that day
Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 3, 4:10 AM PDT | Gale Warning | MTR | 24 hr | |
| Oct 3, 4:10 AM PDT | Small Craft Advisory | MTR | 26 hr | |
| Oct 3, 2:43 PM PDT | Small Craft Advisory | MTR | 16 hr |
Nearby
Red Flag Warnings in California, 2015Every red flag warning in 2015
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.