Alert archive / California / Red Flag Warnings in 2021
Red Flag Warning 1, NWS Los Angeles, CA
NWS Los Angeles, CA issued this red flag warning at Jan 13, 2021, 2:45 PM PST for Los Angeles County, California. It took effect at Jan 14, 2021, 4:00 PM PST. It was in force for 52 hr. 7 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jan 13, 2021, 2:45 PM PST (22:45 UTC)
- In effect from
- Jan 14, 2021, 4:00 PM PST
- Expired
- Jan 16, 2021, 8:00 PM PST
- In force
- 52 hr
- Issued by
- NWS Los Angeles, CA
County Los Angeles County, CA
The radar
The Santa Ana Mts radar (KSOX), 71 km from the middle of the area, began a volume at 22:48 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jan 14, 11:16 PM PST | HIGH SUST WINDS 42 | 6 Nnw Santa Monica, CA | MESONET STATION HP026 GREEN PEAK. |
| Jan 14, 11:23 PM PST | HIGH SUST WINDS 40 | 7 Ssw Woodland Hills, CA | MESONET STATION DW2363 SADDLE PEAK. |
| Jan 15, 12:20 AM PST | NON-TSTM WND GST 57 | 2 Ne Point Dume, CA | MESONET STATION SE037 ESCONDIDO CYN (SCE). |
| Jan 15, 1:53 AM PST | NON-TSTM WND GST 56 | 9 Se Acton, CA | MESONET STATION MLCC1 MILL CREEK RAWS. |
| Jan 15, 2:53 AM PST | NON-TSTM WND GST 65 | 8 Nne Mount Wilson, CA | MESONET STATION CHOC1 CHILAO RAWS. |
| Jan 15, 3:10 AM PST | NON-TSTM WND GST 80 | 9 Ne San Fernando, CA | MESONET STATION SE678 MAGIC MTN TRUCK TRL (SCE). |
| Jan 15, 8:50 AM PST | NON-TSTM WND GST 66 | 1 Nnw Chatsworth, CA | MESONET STATION SE712 BROWNS CYN (SCE). |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
San Diego, CA (KNKX), launched 12:00Z, 10.8 hours before the alert went out and 184 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
- 3529 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
501 WWUS86 KLOX 132245 RFWLOX URGENT - FIRE WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 245 PM PST Wed Jan 13 2021 ...RED FLAG WARNING IN EFFECT LATE THURSDAY AFTERNOON THROUGH FRIDAY AFTERNOON FOR THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS AND VALLEYS... ...FIRE WEATHER WATCH IN EFFECT FRIDAY NIGHT THROUGH SATURDAY MORNING FOR THE SANTA BARBARA COUNTY MOUNTAINS AND SOUTH COAST... .North to northeast winds will form over Los Angeles and Ventura Counties on Thursday and continue through Friday, with dry air descending over the region starting late THursday afternoon or night. Along with persistently dry fuels, this combination of wind and humidity will result in critical fire weather conditions over the valleys and mountains of Los Angeles and Ventura Counties Thursday afternoon through Friday afternoon, with a chance of needing to be extended into Saturday. There is also a chance that the coastal areas will need to be added. Gusty Sundowner winds and dry air will affect Santa Barbara County Friday night into Saturday, with Red Flag conditions possible. CAZ246-253-254-141745- /O.NEW.KLOX.FW.W.0001.210115T0000Z-210116T0000Z/ Santa Monica Mountains Recreational Area- Ventura County Mountains / Los Padres National Forest- Los Angeles County Mountains / Angeles National Forest- 245 PM PST Wed Jan 13 2021 ...RED FLAG WARNING IN EFFECT FROM 4 PM THURSDAY TO 4 PM PST FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE MOUNTAINS OF LOS ANGELES AND VENTURA COUNTIES... The National Weather Service in Los Angeles/Oxnard has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 4 PM Thursday to 4 PM PST Friday. * Winds...North to northeast winds 15 to 30 mph with gusts to 50 mph. Strongest Thursday night into Friday. * Relative Humidity...As low as 5 to 10 percent. Poor overnight recoveries. * Impacts...If fire ignition occurs, conditions are favorable for extreme fire behavior which would threaten life and property. 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 and low relative humidity can contribute to extreme fire behavior. Use extreme caution with potential fire ignition sources. && $$ CAZ244-245-288-547-141745- /O.NEW.KLOX.FW.W.0001.210115T0000Z-210116T0000Z/ Ventura County Interior Valleys-Ventura County Coastal Valleys- Santa Clarita Valley-Los Angeles County San Fernando Valley- 245 PM PST Wed Jan 13 2021 ...RED FLAG WARNING IN EFFECT FROM 4 PM THURSDAY TO 4 PM PST FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE VENTURA VALLEYS, SANTA CLARITA VALLEY, AND SAN FERNANDO VALLEY... The National Weather Service in Los Angeles/Oxnard has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 4 PM Thursday to 4 PM PST Friday. * Winds...North to northeast winds 15 to 25 mph with gusts to 40 mph. Isolated gusts to 50 mph. Strongest Thursday night into Friday. * Relative Humidity...As low as 5 to 10 percent. Poor overnight recoveries. * Impacts...If fire ignition occurs, conditions are favorable for extreme fire behavior which would threaten life and property. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds and low relative humidity can contribute to extreme fire behavior. Use extreme caution with potential fire ignition sources. && $$ CAZ239-252-141745- /O.NEW.KLOX.FW.A.0001.210116T0200Z-210116T1800Z/ Santa Barbara County South Coast-Santa Barbara County Mountains- 245 PM PST Wed Jan 13 2021 ...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY EVENING THROUGH SATURDAY MORNING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE SANTA BARBARA COUNTY MOUNTAINS AND SOUTH COAST... The National Weather Service in Los Angeles/Oxnard has issued a Fire Weather Watch for wind and low relative humidity, which is in effect from Friday evening through Saturday morning. * Winds...North to northeast winds 15 to 30 mph with gusts to 50 mph possible. * Relative Humidity...As low as 8 to 15 percent. Poor overnight recoveries. * Impacts...If fire ignition occurs, conditions are favorable for extreme fire behavior which would threaten life and property. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. && $$ Kittell
7 follow-up statements
013 WWUS86 KLOX 141730 RFWLOX URGENT - FIRE WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 930 AM PST Thu Jan 14 2021 ...RED FLAG WARNING IN EFFECT FROM 4 PM TODAY TO 4 PM FRIDAY FOR THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS AND VALLEYS... ...FIRE WEATHER WATCH IN EFFECT FRIDAY NIGHT THROUGH SATURDAY MORNING FOR THE SANTA BARBARA COUNTY MOUNTAINS AND SOUTH COAST... .North to northeast winds will continue over Los Angeles and Ventura Counties through Friday with dry air descending over the region starting later this afternoon or tonight. Along with persistently dry fuels, this combination of wind and humidity will result in critical fire weather conditions over the valleys and mountains of Los Angeles and Ventura Counties this afternoon through Friday afternoon, with a chance of needing to be extended into Saturday. Gusty Sundowner winds and dry air will affect Santa Barbara County Friday night into Saturday, with Red Flag conditions possible. CAZ246-253-254-150130- /O.CON.KLOX.FW.W.0001.210115T0000Z-210116T0000Z/ Santa Monica Mountains Recreational Area- Ventura County Mountains / Los Padres National Forest- Los Angeles County Mountains / Angeles National Forest- 930 AM PST Thu Jan 14 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 PM PST FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE MOUNTAINS OF LOS ANGELES AND VENTURA COUNTIES... * Winds...North to northeast winds 15 to 30 mph with gusts to 50 mph. Strongest later tonight into Friday. * Relative Humidity...8 to 15 percent but as low as 5 percent in isolated areas, mainly on Friday. Poor overnight recoveries. * Impacts...If fire ignition occurs, conditions are favorable for extreme fire behavior which would threaten life and property. 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 and low relative humidity can contribute to extreme fire behavior. Use extreme caution with potential fire ignition sources. && $$ CAZ244-245-288-547-150130- /O.CON.KLOX.FW.W.0001.210115T0000Z-210116T0000Z/ Ventura County Interior Valleys-Ventura County Coastal Valleys- Santa Clarita Valley-Los Angeles County San Fernando Valley- 930 AM PST Thu Jan 14 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 PM PST FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE VENTURA VALLEYS, SANTA CLARITA VALLEY, AND SAN FERNANDO VALLEY... * Winds...North to northeast winds 15 to 25 mph with gusts to 40 mph. Isolated gusts to 50 mph. Strongest tonight into Friday. * Relative Humidity...8 to 15 percent but as low as 5 percent in isolated areas, mainly Friday. Poor overnight recoveries. * Impacts...If fire ignition occurs, conditions are favorable for extreme fire behavior which would threaten life and property. 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 and low relative humidity can contribute to extreme fire behavior. Use extreme caution with potential fire ignition sources. && $$ CAZ239-252-150130- /O.CON.KLOX.FW.A.0001.210116T0200Z-210116T1800Z/ Santa Barbara County South Coast-Santa Barbara County Mountains- 930 AM PST Thu Jan 14 2021 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY EVENING THROUGH SATURDAY MORNING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE SANTA BARBARA COUNTY MOUNTAINS AND SOUTH COAST... * Winds...North to northeast winds 15 to 30 mph with gusts to 50 mph possible. Strongest in the Montecito Hills area. * Relative Humidity...As low as 8 to 15 percent. Poor overnight recoveries. * Impacts...If fire ignition occurs, conditions are favorable for extreme fire behavior which would threaten life and property. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. && $$ MW
226 WWUS86 KLOX 142247 RFWLOX URGENT - FIRE WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 247 PM PST Thu Jan 14 2021 ...RED FLAG WARNING IN EFFECT FROM 4 PM TODAY TO 4 PM FRIDAY FOR THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS AND VALLEYS... ...FIRE WEATHER WATCH IN EFFECT FRIDAY NIGHT THROUGH SATURDAY MORNING FOR THE SANTA BARBARA COUNTY MOUNTAINS AND SOUTH COAST... .North to northeast winds will continue over Los Angeles and Ventura Counties through Friday with decreasing humidities through Friday. Along with persistently dry fuels, this combination of wind and humidity will result in critical fire weather conditions over the valleys and mountains of Los Angeles and Ventura Counties. with a chance of needing to be extended into Saturday. Gusty Sundowner winds and dry air will affect Santa Barbara County Friday night into Saturday, with Red Flag conditions possible. CAZ246-253-254-151700- /O.CON.KLOX.FW.W.0001.210115T0000Z-210116T0000Z/ Santa Monica Mountains Recreational Area- Ventura County Mountains / Los Padres National Forest- Los Angeles County Mountains / Angeles National Forest- 247 PM PST Thu Jan 14 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 4 PM PST FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE MOUNTAINS OF LOS ANGELES AND VENTURA COUNTIES... * Winds...North to northeast winds 15 to 30 mph with gusts to 50 mph. Strongest later tonight into Friday. * Relative Humidity...8 to 15 percent but as low as 5 percent in isolated areas, mainly on Friday. Poor overnight recoveries. * Impacts...If fire ignition occurs, conditions are favorable for extreme fire behavior which would threaten life and property. 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 and low relative humidity can contribute to extreme fire behavior. Use extreme caution with potential fire ignition sources. && $$ CAZ244-245-288-547-151700- /O.CON.KLOX.FW.W.0001.210115T0000Z-210116T0000Z/ Ventura County Interior Valleys-Ventura County Coastal Valleys- Santa Clarita Valley-Los Angeles County San Fernando Valley- 247 PM PST Thu Jan 14 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 4 PM PST FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE VENTURA VALLEYS, SANTA CLARITA VALLEY, AND SAN FERNANDO VALLEY... * Winds...North to northeast winds 15 to 25 mph with gusts to 40 mph. Isolated gusts to 50 mph. Strongest tonight into Friday. * Relative Humidity...8 to 15 percent but as low as 5 percent in isolated areas, mainly Friday. Poor overnight recoveries. * Impacts...If fire ignition occurs, conditions are favorable for extreme fire behavior which would threaten life and property. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds and low relative humidity can contribute to extreme fire behavior. Use extreme caution with potential fire ignition sources. && $$ CAZ239-252-151700- /O.CON.KLOX.FW.A.0001.210116T0200Z-210116T1800Z/ Santa Barbara County South Coast-Santa Barbara County Mountains- 247 PM PST Thu Jan 14 2021 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY EVENING THROUGH SATURDAY MORNING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE SANTA BARBARA COUNTY MOUNTAINS AND SOUTH COAST... * Winds...North to northeast winds 15 to 30 mph with gusts to 50 mph possible. Strongest in the Montecito Hills area. * Relative Humidity...As low as 8 to 15 percent. Poor overnight recoveries. * Impacts...If fire ignition occurs, conditions are favorable for extreme fire behavior which would threaten life and property. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. && $$ MW
922 WWUS86 KLOX 151706 RFWLOX URGENT - FIRE WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 906 AM PST Fri Jan 15 2021 ...RED FLAG WARNING NOW IN EFFECT UNTIL 4 PM SATURDAY FOR THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS AND VALLEYS... ...FIRE WEATHER WATCH CANCELLED FOR THE SANTA BARBARA COUNTY MOUNTAINS AND SOUTH COAST... .North to northeast winds will continue over Los Angeles and Ventura Counties through Saturday with very low humidities. Along with persistently dry fuels, this combination of wind and humidity will result in critical fire weather conditions over the valleys and mountains of Los Angeles and Ventura Counties. Locally gusty winds and dry air are still expected across Santa Barbara County tonight into early Saturday and a few hours of critical conditions are likely, especially in the Montecito Hills area, however most areas will not reach red flag criteria for more than 5 hours and for this reason the fire weather watch has been cancelled. CAZ239-252-151815- /O.CAN.KLOX.FW.A.0001.210116T0200Z-210116T1800Z/ Santa Barbara County South Coast-Santa Barbara County Mountains- 906 AM PST Fri Jan 15 2021 ...FIRE WEATHER WATCH IS CANCELLED FOR WIND AND LOW RELATIVE HUMIDITY FOR THE SANTA BARBARA COUNTY MOUNTAINS AND SOUTH COAST... The National Weather Service in Los Angeles/Oxnard has cancelled the Fire Weather Watch. A few hours of critical conditions are expected, especially in the Montecito Hills area, however most areas will not reach red flag criteria for 6 hours. $$ CAZ246-253-254-160115- /O.EXT.KLOX.FW.W.0001.000000T0000Z-210117T0000Z/ Santa Monica Mountains Recreational Area- Ventura County Mountains / Los Padres National Forest- Los Angeles County Mountains / Angeles National Forest- 906 AM PST Fri Jan 15 2021 ...RED FLAG WARNING NOW IN EFFECT UNTIL 4 PM PST SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE MOUNTAINS OF LOS ANGELES AND VENTURA COUNTIES... * Winds...North to northeast winds 25 to 35 mph with gusts to 55 mph. Strongest today. * Relative Humidity...8 to 15 percent but as low as 5 percent in isolated areas. Poor overnight recoveries. * Impacts...If fire ignition occurs, conditions are favorable for extreme fire behavior which would threaten life and property. 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 and low relative humidity can contribute to extreme fire behavior. Use extreme caution with potential fire ignition sources. && $$ CAZ244-245-288-547-160115- /O.EXT.KLOX.FW.W.0001.000000T0000Z-210117T0000Z/ Ventura County Interior Valleys-Ventura County Coastal Valleys- Santa Clarita Valley-Los Angeles County San Fernando Valley- 906 AM PST Fri Jan 15 2021 ...RED FLAG WARNING NOW IN EFFECT UNTIL 4 PM PST SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE VENTURA VALLEYS, SANTA CLARITA VALLEY, AND SAN FERNANDO VALLEY... * Winds...North to northeast winds 15 to 25 mph with gusts to 40 mph. Isolated gusts to 50 mph in the hills. Strongest today. * Relative Humidity...8 to 15 percent but as low as 5 percent in isolated areas, mainly Friday. Poor overnight recoveries. * Impacts...If fire ignition occurs, conditions are favorable for extreme fire behavior which would threaten life and property. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds and low relative humidity can contribute to extreme fire behavior. Use extreme caution with potential fire ignition sources. && $$ MW
396 WWUS86 KLOX 152239 RFWLOX URGENT - FIRE WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 239 PM PST Fri Jan 15 2021 ...RED FLAG WARNING IN EFFECT UNTIL 4 PM SATURDAY FOR THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS AND VALLEYS... .North to northeast winds will continue over Los Angeles and Ventura Counties through Saturday with very low humidities. Along with persistently dry fuels, this combination of wind and humidity will result in critical fire weather conditions over the valleys and mountains of Los Angeles and Ventura Counties. There is a chance that the warning will need to be extended into Sunday. Across Santa Barbara County, locally gusty winds and dry air are still expected into early Saturday and a few hours of critical conditions are likely, especially in the Montecito Hills area, however most areas will not reach red flag criteria for more than 5 hours. CAZ246-253-254-161700- /O.CON.KLOX.FW.W.0001.000000T0000Z-210117T0000Z/ Santa Monica Mountains Recreational Area- Ventura County Mountains / Los Padres National Forest- Los Angeles County Mountains / Angeles National Forest- 239 PM PST Fri Jan 15 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 4 PM PST SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE MOUNTAINS OF LOS ANGELES AND VENTURA COUNTIES... * Winds...North to northeast winds 20 to 30 mph with gusts to 50 mph. Strongest Friday. * Relative Humidity...8 to 15 percent but as low as 5 percent in isolated areas. Poor overnight recoveries. * Impacts...If fire ignition occurs, conditions are favorable for extreme fire behavior which would threaten life and property. 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 and low relative humidity can contribute to extreme fire behavior. Use extreme caution with potential fire ignition sources. && $$ CAZ244-245-288-547-161700- /O.CON.KLOX.FW.W.0001.000000T0000Z-210117T0000Z/ Ventura County Interior Valleys-Ventura County Coastal Valleys- Santa Clarita Valley-Los Angeles County San Fernando Valley- 239 PM PST Fri Jan 15 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 4 PM PST SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE VENTURA VALLEYS, SANTA CLARITA VALLEY, AND SAN FERNANDO VALLEY... * Winds...North to northeast winds 15 to 25 mph with gusts to 40 mph. Isolated gusts to 50 mph in the hills. Strongest Friday. * Relative Humidity...8 to 15 percent but as low as 5 percent in isolated areas, mainly Friday. Poor overnight recoveries. * Impacts...If fire ignition occurs, conditions are favorable for extreme fire behavior which would threaten life and property. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds and low relative humidity can contribute to extreme fire behavior. Use extreme caution with potential fire ignition sources. && $$ MW
804 WWUS86 KLOX 161739 RFWLOX URGENT - FIRE WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 939 AM PST Sat Jan 16 2021 ...RED FLAG WARNING IN EFFECT UNTIL 4 PM TODAY FOR THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS AND VALLEYS... .North to northeast winds will continue over Los Angeles and Ventura Counties today with very low humidities. Along with persistently dry fuels, this combination of gusty offshore winds and low humidity will result in critical fire weather conditions over the valleys and mountains of Los Angeles and Ventura Counties. There is a chance that the warning will need to be extended into Sunday. Across Santa Barbara and San Luis Obispo Counties, locally gusty offshore winds and dry air will bring elevated to brief critical fire weather conditions today, especially in the mountains and foothills. CAZ246-253-254-170000- /O.CON.KLOX.FW.W.0001.000000T0000Z-210117T0000Z/ Santa Monica Mountains Recreational Area- Ventura County Mountains / Los Padres National Forest- Los Angeles County Mountains / Angeles National Forest- 939 AM PST Sat Jan 16 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON FOR GUSTY NORTH TO NORTHEAST WINDS AND LOW RELATIVE HUMIDITY FOR THE MOUNTAINS OF LOS ANGELES AND VENTURA COUNTIES... * Winds...North to northeast winds 15 to 30 mph with gusts 40 to 50 mph, diminishing late. * Relative Humidity...8 to 15 percent but as low as 5 percent in isolated areas. Poor overnight recoveries. * Impacts...If fire ignition occurs, conditions are favorable for rapid fire spread and extreme fire behavior which would threaten life and property. 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 and low relative humidity can contribute to extreme fire behavior. Use extreme caution with potential fire ignition sources. && $$ CAZ244-245-288-547-170000- /O.CON.KLOX.FW.W.0001.000000T0000Z-210117T0000Z/ Ventura County Interior Valleys-Ventura County Coastal Valleys- Santa Clarita Valley-Los Angeles County San Fernando Valley- 939 AM PST Sat Jan 16 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON FOR GUSTY NORTH TO NORTHEAST WINDS AND LOW RELATIVE HUMIDITY FOR THE VENTURA VALLEYS, SANTA CLARITA VALLEY, AND SAN FERNANDO VALLEY... * Winds...North to northeast winds 15 to 25 mph with gusts to 40 mph diminishing late. Isolated gusts to 45 mph in the hills. * Relative Humidity...8 to 15 percent but as low as 5 percent in isolated areas. Poor overnight recoveries. * Impacts...If fire ignition occurs, conditions are favorable for rapid fire spread and extreme fire behavior which would threaten life and property. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds and low relative humidity can contribute to extreme fire behavior. Use extreme caution with potential fire ignition sources. && $$ Gomberg
001 WWUS86 KLOX 170004 RFWLOX URGENT - FIRE WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 404 PM PST Sat Jan 16 2021 ...RED FLAG WARNING NOW IN EFFECT UNTIL 8 PM PST THIS EVENING FOR THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS AND VALLEYS DUE TO GUSTY NORTHEAST WINDS AND LOW RELATIVE HUMIDITY... .North to northeast winds gusting between 30 and 45 mph will continue across the mountains and valleys of Los Angeles and Ventura Counties through this evening prompting the extension of the Red Flag Warning. Humidities will also remain between 8 and 15 percent across the warning area through this evening. Offshore winds are expected to be slightly weaker and a bit more localized later tonight into Sunday, however elevated to brief critical fire weather conditions are still expected. CAZ246-253-254-170400- /O.EXT.KLOX.FW.W.0001.000000T0000Z-210117T0400Z/ Santa Monica Mountains Recreational Area- Ventura County Mountains / Los Padres National Forest- Los Angeles County Mountains / Angeles National Forest- 404 PM PST Sat Jan 16 2021 ...RED FLAG WARNING NOW IN EFFECT UNTIL 8 PM PST THIS EVENING FOR GUSTY NORTH TO NORTHEAST WINDS AND LOW RELATIVE HUMIDITY FOR THE MOUNTAINS OF LOS ANGELES AND VENTURA COUNTIES... * Winds...North to northeast winds 15 to 30 mph with gusts 35 to 45 mph, diminishing some by late evening. * Relative Humidity...8 to 15 percent. Poor overnight recovery. * Impacts...If fire ignition occurs, conditions are favorable for rapid fire spread and extreme fire behavior which would threaten life and property. 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 and low relative humidity can contribute to extreme fire behavior. Use extreme caution with potential fire ignition sources. && $$ CAZ244-245-288-547-170400- /O.EXT.KLOX.FW.W.0001.000000T0000Z-210117T0400Z/ Ventura County Interior Valleys-Ventura County Coastal Valleys- Santa Clarita Valley-Los Angeles County San Fernando Valley- 404 PM PST Sat Jan 16 2021 ...RED FLAG WARNING NOW IN EFFECT UNTIL 8 PM PST THIS EVENING FOR GUSTY NORTH TO NORTHEAST WINDS AND LOW RELATIVE HUMIDITY FOR THE VENTURA VALLEYS, SANTA CLARITA VALLEY, AND SAN FERNANDO VALLEY... * Winds...North to northeast winds 15 to 25 mph with gusts to 35 mph diminishing some by late evening. Isolated gusts to 45 mph in the hills. * Relative Humidity...8 to 15 percent. * Impacts...If fire ignition occurs, conditions are favorable for rapid fire spread and extreme fire behavior which would threaten life and property. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds and low relative humidity can contribute to extreme fire behavior. Use extreme caution with potential fire ignition sources. && $$ Gomberg
248 WWUS86 KLOX 170355 RFWLOX URGENT - FIRE WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 755 PM PST Sat Jan 16 2021 CAZ246-253-254-170500- /O.EXP.KLOX.FW.W.0001.000000T0000Z-210117T0400Z/ Santa Monica Mountains Recreational Area- Ventura County Mountains / Los Padres National Forest- Los Angeles County Mountains / Angeles National Forest- 755 PM PST Sat Jan 16 2021 ...RED FLAG WARNING WILL EXPIRE AT 8 PM PST THIS EVENING FOR GUSTY NORTH TO NORTHEAST WINDS AND LOW RELATIVE HUMIDITY FOR THE MOUNTAINS OF LOS ANGELES AND VENTURA COUNTIES... Widespread Red Flag conditions have ended, however elevated to brief critical conditions are likely to continue through Sunday. $$ CAZ244-245-288-547-170500- /O.EXP.KLOX.FW.W.0001.000000T0000Z-210117T0400Z/ Ventura County Interior Valleys-Ventura County Coastal Valleys- Santa Clarita Valley-Los Angeles County San Fernando Valley- 755 PM PST Sat Jan 16 2021 ...RED FLAG WARNING WILL EXPIRE AT 8 PM PST THIS EVENING FOR GUSTY NORTH TO NORTHEAST WINDS AND LOW RELATIVE HUMIDITY FOR THE VENTURA VALLEYS, SANTA CLARITA VALLEY, AND SAN FERNANDO VALLEY... Widespread Red Flag conditions have ended, however elevated to brief critical conditions are likely to continue through Sunday. $$ Smith
The office that day
Everything else NWS Los Angeles, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 13, 2:11 PM PST | Wind Advisory | LOX | Los Angeles | 49 hr |
| Jan 13, 2:45 PM PST | Fire Weather Watch | LOX | 42 hr |
Nearby
Red Flag Warnings in California, 2021Every red flag warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.