Alert archive / California / Red Flag Warnings in 2014
Red Flag Warning 3, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this red flag warning at Jan 22, 2014, 1:57 AM PST for 5 counties in California. It took effect at Jan 22, 2014, 10:00 PM PST. It was in force for 39 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
- Jan 22, 2014, 1:57 AM PST (09:57 UTC)
- In effect from
- Jan 22, 2014, 10:00 PM PST
- Expired
- Jan 24, 2014, 1:00 PM PST
- In force
- 39 hr
- Issued by
- NWS San Francisco Bay Area, CA
Counties Monterey County, CA, San Benito County, CA, San Mateo County, CA, Santa Clara County, CA, Santa Cruz County, CA
The radar
The San Francisco radar (KMUX), 33 km from the middle of the area, began a volume at 09:53 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Oakland, CA (KOAK), launched 00:00Z, 10.0 hours before the alert went out and 102 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3267 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -45 m²/s²
- 0-3 km storm-relative helicity
- 25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
516 WWUS86 KMTR 220957 RFWMTR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 157 AM PST WED JAN 22 2014 CAZ507-222300- /O.UPG.KMTR.FW.A.0002.140123T0600Z-140123T2000Z/ /O.NEW.KMTR.FW.W.0003.140123T0600Z-140123T2300Z/ NORTH BAY MOUNTAINS- 157 AM PST WED JAN 22 2014 ...RED FLAG WARNING IN EFFECT FROM 10 PM THIS EVENING TO 3 PM PST THURSDAY FOR LOW HUMIDITY AND GUSTY OFFSHORE WINDS... THE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 3 PM PST THURSDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA: FIRE ZONE 507 NORTH BAY MOUNTAINS ABOVE 1000 FEET IN NAPA...MARIN AND SONOMA COUNTIES. THE STRONGEST WINDS ARE EXPECTED OVER THE NAPA COUNTY HILLS AS WELL AS ALONG THE LAKE COUNTY BORDER OF SONOMA COUNTY NEAR MOUNT SAINT HELENA. * TIMING: FROM 10 PM WEDNESDAY NIGHT UNTIL 3 PM THURSDAY AFTERNOON. * WIND: NORTH TO NORTHEAST WIND 10 TO 20 MPH WITH FREQUENT GUSTS FROM 30 TO 40 MPH OVER THE RIDGES. * HUMIDITY: STEADY FROM 10 TO 25 PERCENT DURING THE WARNING HOURS. * IMPACTS: THE COMBINATION OF DRY FUELS...GUSTY WINDS AND LOW HUMIDITY WILL CREATE CRITICAL FIRE WEATHER CONDITIONS WHERE ANY NEW IGNITIONS WILL EXPERIENCE 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. && $$ HTTP://WEATHER.GOV/SANFRANCISCO
5 follow-up statements
651 WWUS86 KMTR 222257 RFWMTR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 257 PM PST WED JAN 22 2014 CAZ507-231200- /O.CON.KMTR.FW.W.0003.140123T0600Z-140123T2300Z/ NORTH BAY MOUNTAINS- 257 PM PST WED JAN 22 2014 ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 3 PM PST THURSDAY FOR LOW HUMIDITY AND GUSTY OFFSHORE WINDS... * AFFECTED AREA: FIRE ZONE 507 NORTH BAY MOUNTAINS ABOVE 1000 FEET IN NAPA...MARIN AND SONOMA COUNTIES. THE STRONGEST WINDS ARE EXPECTED OVER THE NAPA COUNTY HILLS AS WELL AS ALONG THE LAKE COUNTY BORDER OF SONOMA COUNTY NEAR MOUNT SAINT HELENA. * TIMING: FROM 10 PM WEDNESDAY NIGHT UNTIL 3 PM THURSDAY AFTERNOON. * WIND: NORTH TO NORTHEAST WIND 10 TO 20 MPH WITH FREQUENT GUSTS FROM 30 TO 40 MPH OVER THE RIDGES. * HUMIDITY: STEADY FROM 10 TO 25 PERCENT DURING THE DURATION OF THE WARNING. * IMPACTS: THE COMBINATION OF DRY FUELS...GUSTY WINDS AND LOW HUMIDITY WILL CREATE CRITICAL FIRE WEATHER CONDITIONS WHERE ANY NEW IGNITIONS WILL EXPERIENCE RAPID FIRE GROWTH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ HTTP://WEATHER.GOV/SANFRANCISCO
598 WWUS86 KMTR 231112 RFWMTR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 312 AM PST THU JAN 23 2014 CAZ507-232315- /O.EXT.KMTR.FW.W.0003.000000T0000Z-140124T2100Z/ NORTH BAY MOUNTAINS- 312 AM PST THU JAN 23 2014 ...RED FLAG WARNING NOW IN EFFECT UNTIL 1 PM PST FRIDAY FOR LOW HUMIDITY AND GUSTY OFFSHORE WINDS... THE RED FLAG WARNING IS NOW IN EFFECT UNTIL 1 PM PST FRIDAY. * AFFECTED AREA: FIRE ZONE 507 NORTH BAY MOUNTAINS ABOVE 1000 FEET IN NAPA...MARIN AND SONOMA COUNTIES. THE STRONGEST WINDS ARE EXPECTED OVER THE NAPA COUNTY HILLS AS WELL AS ALONG THE LAKE COUNTY BORDER OF SONOMA COUNTY NEAR MOUNT SAINT HELENA. * TIMING: UNTIL 1 PM FRIDAY AFTERNOON. * WIND: NORTH TO NORTHEAST WIND 10 TO 20 MPH WITH FREQUENT GUSTS TO 30 MPH OVER THE RIDGES. WINDS WILL QUICKLY SHIFT TO AN EASTERLY DIRECTION THIS AFTERNOON AND THEN TO THE SOUTH SOUTHEAST LATER THIS EVENING INTO THE OVERNIGHT HOURS. * HUMIDITY: STEADY FROM 10 TO 25 PERCENT DURING THE DURATION OF THE WARNING. * IMPACTS: THE COMBINATION OF DRY FUELS...GUSTY WINDS AND LOW HUMIDITY WILL CREATE CRITICAL FIRE WEATHER CONDITIONS WHERE ANY NEW IGNITIONS WILL EXPERIENCE 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. && $$ HTTP://WEATHER.GOV/SANFRANCISCO
577 WWUS86 KMTR 232206 RFWMTR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 206 PM PST THU JAN 23 2014 CAZ511-512-517-518-241015- /O.EXA.KMTR.FW.W.0003.000000T0000Z-140124T2100Z/ EAST BAY HILLS AND DIABLO RANGE-SANTA CRUZ MOUNTAINS- SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST- MOUNTAINS OF SAN BENITO AND INTERIOR MONTEREY COUNTY INCLUDING PINNACLES NATIONAL PARK- 206 PM PST THU JAN 23 2014 ...RED FLAG WARNING IN EFFECT UNTIL 1 PM PST FRIDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR ALL MOUNTAINS ABOVE 1000 FEET... THE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 1 PM PST FRIDAY. * AFFECTED AREA: FIRE ZONE 511 EAST BAY HILLS AND DIABLO RANGE...FIRE ZONE 512 SANTA CRUZ MOUNTAINS...FIRE ZONE 517 SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST...FIRE ZONE 518 MOUNTAINS OF SAN BENITO AND INTERIOR MONTEREY COUNTY INCLUDING PINNACLES NATIONAL PARK. * TIMING: UNTIL 1 PM FRIDAY AFTERNOON. * WIND: EAST WINDS 10 TO 20 MPH WITH FREQUENT GUSTS TO 30 MPH OVER THE RIDGES. WINDS WILL SHIFT TO THE SOUTHEAST LATE THIS EVENING INTO THE OVERNIGHT HOURS. * HUMIDITY: STEADY FROM 12 TO 25 PERCENT DURING THE DURATION OF THE WARNING. * IMPACTS: THE COMBINATION OF DRY FUELS...GUSTY WINDS AND LOW HUMIDITY WILL CREATE CRITICAL FIRE WEATHER CONDITIONS WHERE ANY NEW IGNITIONS WILL EXPERIENCE RAPID FIRE GROWTH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ CAZ507-241015- /O.CON.KMTR.FW.W.0003.000000T0000Z-140124T2100Z/ NORTH BAY MOUNTAINS- 206 PM PST THU JAN 23 2014 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 1 PM PST FRIDAY FOR GUSTY WINDS AND LOW HUMIDITY... * AFFECTED AREA: FIRE ZONE 507 NORTH BAY MOUNTAINS. * TIMING: UNTIL 1 PM FRIDAY AFTERNOON. * WIND: NORTHEAST TO EAST WINDS 10 TO 20 MPH WITH FREQUENT GUSTS TO 30 MPH OVER THE RIDGES. WINDS WILL SHIFT TO THE SOUTH SOUTHEAST THIS EVENING INTO THE OVERNIGHT HOURS. * HUMIDITY: STEADY FROM 12 TO 25 PERCENT DURING THE DURATION OF THE WARNING. * IMPACTS: THE COMBINATION OF DRY FUELS...GUSTY WINDS AND LOW HUMIDITY WILL CREATE CRITICAL FIRE WEATHER CONDITIONS WHERE ANY NEW IGNITIONS WILL EXPERIENCE 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. && $$ BLIER HTTP://WEATHER.GOV/SANFRANCISCO
371 WWUS86 KMTR 240952 RFWMTR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 152 AM PST FRI JAN 24 2014 CAZ507-511-512-517-518-242100- /O.CON.KMTR.FW.W.0003.000000T0000Z-140124T2100Z/ NORTH BAY MOUNTAINS-EAST BAY HILLS AND DIABLO RANGE- SANTA CRUZ MOUNTAINS- SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST- MOUNTAINS OF SAN BENITO AND INTERIOR MONTEREY COUNTY INCLUDING PINNACLES NATIONAL PARK- 152 AM PST FRI JAN 24 2014 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 1 PM PST THIS AFTERNOON FOR GUSTY WINDS AND LOW HUMIDITY FOR ALL MOUNTAINS ABOVE 1000 FEET... * AFFECTED AREA: FIRE ZONE 511 EAST BAY HILLS AND DIABLO RANGE...FIRE ZONE 512 SANTA CRUZ MOUNTAINS...FIRE ZONE 517 SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST...FIRE ZONE 518 MOUNTAINS OF SAN BENITO AND INTERIOR MONTEREY COUNTY INCLUDING PINNACLES NATIONAL PARK. * TIMING: THROUGH 1 PM PST THIS AFTERNOON. * WIND: EAST TO SOUTHEAST WINDS 10 TO 20 MPH WITH FREQUENT GUSTS TO 30 MPH OVER THE RIDGES. * HUMIDITY: STEADY FROM 12 TO 25 PERCENT DURING THE DURATION OF THE WARNING. * IMPACTS: THE COMBINATION OF DRY FUELS...GUSTY WINDS AND LOW HUMIDITY WILL CREATE CRITICAL FIRE WEATHER CONDITIONS WHERE ANY NEW IGNITIONS WILL EXPERIENCE RAPID FIRE GROWTH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ HTTP://WEATHER.GOV/SANFRANCISCO
853 WWUS86 KMTR 242055 RFWMTR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 1255 PM PST FRI JAN 24 2014 CAZ507-511-512-517-518-242200- /O.EXP.KMTR.FW.W.0003.000000T0000Z-140124T2100Z/ NORTH BAY MOUNTAINS-EAST BAY HILLS AND DIABLO RANGE- SANTA CRUZ MOUNTAINS- SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST- MOUNTAINS OF SAN BENITO AND INTERIOR MONTEREY COUNTY INCLUDING PINNACLES NATIONAL PARK- 1255 PM PST FRI JAN 24 2014 ...RED FLAG WARNING WILL EXPIRE AT 1 PM PST THIS AFTERNOON FOR GUSTY WINDS AND LOW HUMIDITY FOR ALL MOUNTAINS ABOVE 1000 FEET... THE RED FLAG WARNING WILL EXPIRE AT 1 PM PST THIS AFTERNOON. ALTHOUGH CONDITIONS REMAIN DRY...WIND SPEEDS ARE EXPECTED TO DIMINISH THROUGH THE AFTERNOON. THUS...THE RED FLAG WARNING WAS ALLOWED TO EXPIRE. $$ HTTP://WEATHER.GOV/SANFRANCISCO
Nearby
Red Flag Warnings in California, 2014Every red flag warning in 2014
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.