Alert archive / California / Red Flag Warnings in 2021
Red Flag Warning 5, NWS Los Angeles, CA
NWS Los Angeles, CA issued this red flag warning at Oct 13, 2021, 2:11 PM PDT for Los Angeles County, California. It took effect at Oct 15, 2021, 6:00 AM PDT. It was in force for 38 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 13, 2021, 2:11 PM PDT (21:11 UTC)
- In effect from
- Oct 15, 2021, 6:00 AM PDT
- Expired
- Oct 16, 2021, 8:00 PM PDT
- In force
- 38 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 21:13 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
San Diego, CA (KNKX), launched 12:00Z, 9.2 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
- 3058 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- -21 m²/s²
- 0-3 km storm-relative helicity
- 47 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
590 WWUS86 KLOX 132111 RFWLOX URGENT - FIRE WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 211 PM PDT Wed Oct 13 2021 ...RED FLAG WARNING IN EFFECT FROM FRIDAY MORNING THROUGH SATURDAY EVENING FOR MUCH OF LOS ANGELES AND VENTURA COUNTIES DUE TO VERY DRY CONDITIONS AND GUSTY SANTA ANA WINDS... .A moderate Santa Ana wind event will develop over much of Los Angeles and Ventura Counties beginning Friday morning and continuing into Saturday evening. Peak wind gusts are expected between 30 and 45 mph with isolated areas gusting to around 55 mph. The peak winds are expected Friday morning and early Friday afternoon. Widespread humidities in the single digits and low teens are expected along with very warm temperatures peaking between 80 and 90 degrees across coastal and valley areas. As a result of these gusty Santa Ana winds with low relative humidity, critical fire weather conditions are likely for the warned areas. CAZ246-253-254-141800- /O.UPG.KLOX.FW.A.0005.211015T1300Z-211016T0300Z/ /O.NEW.KLOX.FW.W.0005.211015T1300Z-211017T0300Z/ Santa Monica Mountains Recreational Area- Ventura County Mountains / Los Padres National Forest- Los Angeles County Mountains / Angeles National Forest- 211 PM PDT Wed Oct 13 2021 ...RED FLAG WARNING IN EFFECT FROM 6 AM FRIDAY TO 8 PM PDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS AND INCLUDING THE SANTA MONICA MOUNTAINS... 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 6 AM Friday to 8 PM PDT Saturday. The Fire Weather Watch is no longer in effect. * Winds...Northeast 15 to 30 mph with gusts to 45 mph. Isolated gusts to 55 mph. * Relative Humidity...Minimum readings of 6 to 12 percent. * Impacts...If fire ignition occurs, conditions are favorable for extreme fire behavior and rapid rate of fire spread 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 gusty winds and low relative humidity can contribute to extreme fire behavior and rapid rate of fire spread. Use extreme caution with potential fire ignition sources. && $$ CAZ244-245-288-547-141800- /O.UPG.KLOX.FW.A.0005.211015T1300Z-211016T0300Z/ /O.NEW.KLOX.FW.W.0005.211015T1300Z-211017T0300Z/ Ventura County Interior Valleys-Ventura County Coastal Valleys- Santa Clarita Valley-Los Angeles County San Fernando Valley- 211 PM PDT Wed Oct 13 2021 ...RED FLAG WARNING IN EFFECT FROM 6 AM FRIDAY TO 8 PM PDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE VENTURA COUNTY VALLEYS AND THE SANTA CLARITA AND SAN FERNANDO VALLEYS OF LOS ANGELES COUNTY... The National Weather Service in Los Angeles/Oxnard has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 6 AM Friday to 8 PM PDT Saturday. The Fire Weather Watch is no longer in effect. * Winds...Northeast 15 to 30 mph with gusts to 45 mph. Isolated gusts to 55 mph. * Relative Humidity...Minimum readings of 6 to 12 percent. * Impacts...If fire ignition occurs, conditions are favorable for extreme fire behavior and rapid rate of fire spread which would threaten life and property. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of gusty winds and low relative humidity can contribute to extreme fire behavior and rapid rate of fire spread. Use extreme caution with potential fire ignition sources. && $$ CAZ240-241-141800- /O.UPG.KLOX.FW.A.0005.211015T1300Z-211016T0300Z/ /O.NEW.KLOX.FW.W.0005.211015T1300Z-211017T0300Z/ Ventura County Coast- Los Angeles County Coast including Downtown Los Angeles- 211 PM PDT Wed Oct 13 2021 ...RED FLAG WARNING IN EFFECT FROM 6 AM FRIDAY TO 8 PM PDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FROM THE VENTURA COUNTY COAST TO MALIBU AND THE HOLLYWOOD HILLS OF THE LOS ANGELES COUNTY COAST... 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 6 AM Friday to 8 PM PDT Saturday. The Fire Weather Watch is no longer in effect. * Winds...Northeast 15 to 30 mph with gusts to 45 mph. * Relative Humidity...Minimum readings of 6 to 12 percent. * Impacts...If fire ignition occurs, conditions are favorable for extreme fire behavior and rapid rate of fire spread 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 gusty winds and low relative humidity can contribute to extreme fire behavior and rapid rate of fire spread. Use extreme caution with potential fire ignition sources. && $$ Jackson
6 follow-up statements
210 WWUS86 KLOX 141820 RFWLOX URGENT - FIRE WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 1120 AM PDT Thu Oct 14 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH SATURDAY EVENING FOR MUCH OF LOS ANGELES AND VENTURA COUNTIES DUE TO VERY DRY CONDITIONS AND GUSTY SANTA ANA WINDS... .A moderate Santa Ana wind event will develop over much of Los Angeles and Ventura Counties beginning Friday morning and continuing into Saturday evening. Peak wind gusts are expected between 30 and 45 mph with isolated areas gusting to around 55 mph. The peak winds are expected in the morning and early afternoon hours each day. Widespread humidities in the single digits and low teens are expected along with very warm temperatures peaking between 80 and 90 degrees across coastal and valley areas. As a result of these gusty Santa Ana winds with low relative humidity, critical fire weather conditions are expected for the warned areas. CAZ246-253-254-151600- /O.CON.KLOX.FW.W.0005.211015T1300Z-211017T0300Z/ Santa Monica Mountains Recreational Area- Ventura County Mountains / Los Padres National Forest- Los Angeles County Mountains / Angeles National Forest- 1120 AM PDT Thu Oct 14 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 6 AM FRIDAY TO 8 PM PDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS AND INCLUDING THE SANTA MONICA MOUNTAINS... * Winds...Northeast 15 to 30 mph with gusts to 45 mph. Isolated gusts to 55 mph. * Relative Humidity...Minimum readings of 6 to 12 percent. * Impacts...If fire ignition occurs, conditions are favorable for extreme fire behavior and rapid rate of fire spread 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 gusty winds and low relative humidity can contribute to extreme fire behavior and rapid rate of fire spread. Use extreme caution with potential fire ignition sources. && $$ CAZ244-245-288-547-151600- /O.CON.KLOX.FW.W.0005.211015T1300Z-211017T0300Z/ Ventura County Interior Valleys-Ventura County Coastal Valleys- Santa Clarita Valley-Los Angeles County San Fernando Valley- 1120 AM PDT Thu Oct 14 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 6 AM FRIDAY TO 8 PM PDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE VENTURA COUNTY VALLEYS AND THE SANTA CLARITA AND SAN FERNANDO VALLEYS OF LOS ANGELES COUNTY... * Winds...Northeast 15 to 30 mph with gusts to 45 mph. Isolated gusts to 55 mph. * Relative Humidity...Minimum readings of 6 to 12 percent. * Impacts...If fire ignition occurs, conditions are favorable for extreme fire behavior and rapid rate of fire spread 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 gusty winds and low relative humidity can contribute to extreme fire behavior and rapid rate of fire spread. Use extreme caution with potential fire ignition sources. && $$ CAZ240-241-151600- /O.CON.KLOX.FW.W.0005.211015T1300Z-211017T0300Z/ Ventura County Coast- Los Angeles County Coast including Downtown Los Angeles- 1120 AM PDT Thu Oct 14 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 6 AM FRIDAY TO 8 PM PDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FROM THE VENTURA COUNTY COAST TO MALIBU AND THE HOLLYWOOD HILLS OF THE LOS ANGELES COUNTY COAST... * Winds...Northeast 15 to 30 mph with gusts to 45 mph. * Relative Humidity...Minimum readings of 6 to 12 percent. * Impacts...If fire ignition occurs, conditions are favorable for extreme fire behavior and rapid rate of fire spread which would threaten life and property. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of gusty winds and low relative humidity can contribute to extreme fire behavior and rapid rate of fire spread. Use extreme caution with potential fire ignition sources. && $$
897 WWUS86 KLOX 151540 RFWLOX URGENT - FIRE WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 840 AM PDT Fri Oct 15 2021 ...RED FLAG WARNING REMAINS IN EFFECT THROUGH SATURDAY EVENING FOR MUCH OF LOS ANGELES AND VENTURA COUNTIES DUE TO VERY DRY CONDITIONS AND GUSTY SANTA ANA WINDS... .A moderate Santa Ana wind event will continue over much of Los Angeles and Ventura Counties through Saturday evening. Peak wind gusts are expected between 30 and 45 mph with isolated areas gusting to around 55 mph. The peak winds are expected in the morning and early afternoon hours each day. Widespread humidities in the single digits and low teens are expected along with very warm temperatures peaking between 80 and 90 degrees across coastal and valley areas. As a result of these gusty Santa Ana winds with low relative humidity, critical fire weather conditions are expected for the warned areas. CAZ246-253-254-160200- /O.CON.KLOX.FW.W.0005.000000T0000Z-211017T0300Z/ Santa Monica Mountains Recreational Area- Ventura County Mountains / Los Padres National Forest- Los Angeles County Mountains / Angeles National Forest- 840 AM PDT Fri Oct 15 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS AND INCLUDING THE SANTA MONICA MOUNTAINS... * Winds...Northeast 15 to 30 mph with gusts to 45 mph. Isolated gusts to 55 mph. * Relative Humidity...Minimum readings of 6 to 12 percent. * Impacts...If fire ignition occurs, conditions are favorable for extreme fire behavior and rapid rate of fire spread 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 gusty winds and low relative humidity can contribute to extreme fire behavior and rapid rate of fire spread. Use extreme caution with potential fire ignition sources. && $$ CAZ244-245-288-547-160200- /O.CON.KLOX.FW.W.0005.000000T0000Z-211017T0300Z/ Ventura County Interior Valleys-Ventura County Coastal Valleys- Santa Clarita Valley-Los Angeles County San Fernando Valley- 840 AM PDT Fri Oct 15 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE VENTURA COUNTY VALLEYS AND THE SANTA CLARITA AND SAN FERNANDO VALLEYS OF LOS ANGELES COUNTY... * Winds...Northeast 15 to 30 mph with gusts to 45 mph. Isolated gusts to 55 mph in the hills and canyons. * Relative Humidity...Minimum readings of 6 to 12 percent. * Impacts...If fire ignition occurs, conditions are favorable for extreme fire behavior and rapid rate of fire spread which would threaten life and property. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of gusty winds and low relative humidity can contribute to extreme fire behavior and rapid rate of fire spread. Use extreme caution with potential fire ignition sources. && $$ CAZ240-241-160200- /O.CON.KLOX.FW.W.0005.000000T0000Z-211017T0300Z/ Ventura County Coast- Los Angeles County Coast including Downtown Los Angeles- 840 AM PDT Fri Oct 15 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FROM THE VENTURA COUNTY COAST TO MALIBU AND THE HOLLYWOOD HILLS OF THE LOS ANGELES COUNTY COAST... * Winds...Northeast 15 to 30 mph with gusts to 45 mph. * Relative Humidity...Minimum readings of 6 to 12 percent. * Impacts...If fire ignition occurs, conditions are favorable for extreme fire behavior and rapid rate of fire spread 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 gusty winds and low relative humidity can contribute to extreme fire behavior and rapid rate of fire spread. Use extreme caution with potential fire ignition sources. && $$ MW
266 WWUS86 KLOX 152113 RFWLOX URGENT - FIRE WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 213 PM PDT Fri Oct 15 2021 ...RED FLAG WARNING REMAINS IN EFFECT THROUGH SATURDAY EVENING FOR MUCH OF LOS ANGELES AND VENTURA COUNTIES DUE TO VERY DRY CONDITIONS AND GUSTY SANTA ANA WINDS... .A moderate Santa Ana wind event will continue over much of Los Angeles and Ventura Counties through Saturday evening. Peak wind gusts are expected between 30 and 45 mph with isolated areas gusting to around 55 mph. The peak winds are expected in the morning and early afternoon hours each day. Widespread humidities in the single digits and low teens are expected along with very warm temperatures peaking between 80 and 90 degrees across coastal and valley areas. As a result of these gusty Santa Ana winds with low relative humidity, critical fire weather conditions are expected for the warned areas. CAZ246-253-254-161700- /O.CON.KLOX.FW.W.0005.000000T0000Z-211017T0300Z/ Santa Monica Mountains Recreational Area- Ventura County Mountains / Los Padres National Forest- Los Angeles County Mountains / Angeles National Forest- 213 PM PDT Fri Oct 15 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS AND INCLUDING THE SANTA MONICA MOUNTAINS... * Winds...Northeast 15 to 30 mph with gusts to 45 mph. Isolated gusts to 55 mph. Strongest in the early morning to early afternoon hours. * Relative Humidity...Minimum readings of 6 to 12 percent. * Impacts...If fire ignition occurs, conditions are favorable for extreme fire behavior and rapid rate of fire spread 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 gusty winds and low relative humidity can contribute to extreme fire behavior and rapid rate of fire spread. Use extreme caution with potential fire ignition sources. && $$ CAZ244-245-288-547-161700- /O.CON.KLOX.FW.W.0005.000000T0000Z-211017T0300Z/ Ventura County Interior Valleys-Ventura County Coastal Valleys- Santa Clarita Valley-Los Angeles County San Fernando Valley- 213 PM PDT Fri Oct 15 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE VENTURA COUNTY VALLEYS AND THE SANTA CLARITA AND SAN FERNANDO VALLEYS OF LOS ANGELES COUNTY... * Winds...Northeast 15 to 30 mph with gusts to 45 mph. Isolated gusts to 55 mph in the hills and canyons. Strongest in the early morning to early afternoon hours. Winds may shift to south or southwest briefly in the late afternoon and evening hours. * Relative Humidity...Minimum readings of 6 to 12 percent. * Impacts...If fire ignition occurs, conditions are favorable for extreme fire behavior and rapid rate of fire spread 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 gusty winds and low relative humidity can contribute to extreme fire behavior and rapid rate of fire spread. Use extreme caution with potential fire ignition sources. && $$ CAZ240-241-161700- /O.CON.KLOX.FW.W.0005.000000T0000Z-211017T0300Z/ Ventura County Coast- Los Angeles County Coast including Downtown Los Angeles- 213 PM PDT Fri Oct 15 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FROM THE VENTURA COUNTY COAST TO MALIBU AND THE HOLLYWOOD HILLS OF THE LOS ANGELES COUNTY COAST... * Winds...Northeast 15 to 30 mph with gusts to 45 mph. Strongest in the early morning to early afternoon hours. Winds may shift to west to southwest briefly in the late afternoon and evening hours. * Relative Humidity...Minimum readings of 6 to 12 percent. * Impacts...If fire ignition occurs, conditions are favorable for extreme fire behavior and rapid rate of fire spread which would threaten life and property. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of gusty winds and low relative humidity can contribute to extreme fire behavior and rapid rate of fire spread. Use extreme caution with potential fire ignition sources. && $$ MW
280 WWUS86 KLOX 161548 RFWLOX URGENT - FIRE WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 848 AM PDT Sat Oct 16 2021 ...RED FLAG WARNING REMAINS IN EFFECT THROUGH THIS EVENING FOR MUCH OF LOS ANGELES AND VENTURA COUNTIES DUE TO VERY DRY CONDITIONS AND GUSTY SANTA ANA WINDS... .A moderate Santa Ana wind event will continue over much of Los Angeles and Ventura Counties through this evening. Peak wind gusts are expected between 30 and 45 mph. The peak winds are expected in the morning and early afternoon hours, then will shift to the south and southwest and decrease to 6 to 12 mph, especially for coast and valleys. Widespread humidities in the single digits and low teens are expected along with very warm temperatures peaking between 80 and 90 degrees across coastal and valley areas. As a result of these gusty Santa Ana winds with low relative humidity, critical fire weather conditions are expected for the warned areas. CAZ246-253-254-170000- /O.CON.KLOX.FW.W.0005.000000T0000Z-211017T0300Z/ Santa Monica Mountains Recreational Area- Ventura County Mountains / Los Padres National Forest- Los Angeles County Mountains / Angeles National Forest- 848 AM PDT Sat Oct 16 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS AND INCLUDING THE SANTA MONICA MOUNTAINS... * Winds...Northeast 15 to 30 mph with gusts to 45 mph. Strongest in the morning to early afternoon hours. Wind speeds are expected to decrease significantly in the afternoon and may shift to the southwest over the coastal slopes. * Relative Humidity...Minimum readings of 6 to 12 percent. * Impacts...If fire ignition occurs, conditions are favorable for extreme fire behavior and rapid rate of fire spread 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 gusty winds and low relative humidity can contribute to extreme fire behavior and rapid rate of fire spread. Use extreme caution with potential fire ignition sources. && $$ CAZ244-245-288-547-170000- /O.CON.KLOX.FW.W.0005.000000T0000Z-211017T0300Z/ Ventura County Interior Valleys-Ventura County Coastal Valleys- Santa Clarita Valley-Los Angeles County San Fernando Valley- 848 AM PDT Sat Oct 16 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE VENTURA COUNTY VALLEYS AND THE SANTA CLARITA AND SAN FERNANDO VALLEYS OF LOS ANGELES COUNTY... * Winds...Northeast 15 to 30 mph with gusts to 45 mph. Strongest in the morning to early afternoon hours. Winds are expected to shift to south or southwest and decrease to 6 to 12 mph in the late afternoon and evening hours. * Relative Humidity...Minimum readings of 6 to 12 percent in the late morning to mid afternoon. Humidities are expected to increase in the late afternoon and evening as winds shift to the southwest. * Impacts...If fire ignition occurs, conditions are favorable for extreme fire behavior and rapid rate of fire spread which would threaten life and property. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of gusty winds and low relative humidity can contribute to extreme fire behavior and rapid rate of fire spread. Use extreme caution with potential fire ignition sources. && $$ CAZ240-241-170000- /O.CON.KLOX.FW.W.0005.000000T0000Z-211017T0300Z/ Ventura County Coast- Los Angeles County Coast including Downtown Los Angeles- 848 AM PDT Sat Oct 16 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FROM THE VENTURA COUNTY COAST TO MALIBU AND THE HOLLYWOOD HILLS OF THE LOS ANGELES COUNTY COAST... * Winds...Northeast 15 to 25 mph with gusts to 35 mph. Strongest in the morning hours. Winds are expected shift to the south to southwest and decrease to 6 to 12 mph in the afternoon and evening. * Relative Humidity...Minimum readings of 6 to 12 percent from late morning until early afternoon. Humidities will increase in the afternoon as winds shift to the southwest. * Impacts...If fire ignition occurs, conditions are favorable for extreme fire behavior and rapid rate of fire spread 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 gusty winds and low relative humidity can contribute to extreme fire behavior and rapid rate of fire spread. Use extreme caution with potential fire ignition sources. && $$ MW
053 WWUS86 KLOX 162124 RFWLOX URGENT - FIRE WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 224 PM PDT Sat Oct 16 2021 ...RED FLAG WARNING REMAINS IN EFFECT THROUGH THIS EVENING FOR THE MOST VALLEYS AND MOUNTAINS OF LOS ANGELES AND VENTURA COUNTIES DUE TO VERY DRY CONDITIONS AND GUSTY SANTA ANA WINDS... .Santa Ana winds are decreasing this afternoon but some gusts as high as 30 mph remain across the inland areas of Los Angeles and Ventura Counties. In addition, humidities have dropped into the single digits in these areas. As a result, critical fire weather conditions will continue until this evening for the warned areas. CAZ240-241-162230- /O.CAN.KLOX.FW.W.0005.000000T0000Z-211017T0300Z/ Ventura County Coast- Los Angeles County Coast including Downtown Los Angeles- 224 PM PDT Sat Oct 16 2021 ...RED FLAG WARNING IS CANCELLED FROM THE VENTURA COUNTY COAST TO MALIBU AND THE HOLLYWOOD HILLS OF THE LOS ANGELES COUNTY COAST... The National Weather Service in Los Angeles/Oxnard has cancelled the Red Flag Warning. Onshore winds have developed across the coastal areas and humidities are rapidly rising so critical fire weather conditions are no longer expected. $$ CAZ246-253-254-170300- /O.CON.KLOX.FW.W.0005.000000T0000Z-211017T0300Z/ Santa Monica Mountains Recreational Area- Ventura County Mountains / Los Padres National Forest- Los Angeles County Mountains / Angeles National Forest- 224 PM PDT Sat Oct 16 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS AND INCLUDING THE SANTA MONICA MOUNTAINS... * Winds...Northeast 10 to 20 mph with gusts to 30 mph. Wind speeds are expected to decrease significantly going into the evening and may shift to the southwest over the coastal slopes. * Relative Humidity...Minimum readings of 6 to 12 percent. * Impacts...If fire ignition occurs, conditions are favorable for extreme fire behavior and rapid rate of fire spread 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 gusty winds and low relative humidity can contribute to extreme fire behavior and rapid rate of fire spread. Use extreme caution with potential fire ignition sources. && $$ CAZ244-245-288-547-170300- /O.CON.KLOX.FW.W.0005.000000T0000Z-211017T0300Z/ Ventura County Interior Valleys-Ventura County Coastal Valleys- Santa Clarita Valley-Los Angeles County San Fernando Valley- 224 PM PDT Sat Oct 16 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE VENTURA COUNTY VALLEYS AND THE SANTA CLARITA AND SAN FERNANDO VALLEYS OF LOS ANGELES COUNTY... * Winds...Northeast 10 to 20 mph with local gusts to 30 mph. Strongest in the hills in the afternoon. Winds are expected to shift to south or southwest and decrease to 6 to 12 mph into the evening. * Relative Humidity...Minimum readings of 6 to 12 percent in the afternoon. Humidities are expected to increase in the late afternoon and evening as winds shift to the southwest. * Impacts...If fire ignition occurs, conditions are favorable for extreme fire behavior and rapid rate of fire spread which would threaten life and property. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of gusty winds and low relative humidity can contribute to extreme fire behavior and rapid rate of fire spread. Use extreme caution with potential fire ignition sources. && $$ MW
071 WWUS86 KLOX 170311 RFWLOX URGENT - FIRE WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 811 PM PDT Sat Oct 16 2021 ...RED FLAG WARNINGS HAVE EXPIRED FOR LOS ANGELES AND VENTURA COUNTIES... CAZ244>246-253-254-288-547-170415- /O.EXP.KLOX.FW.W.0005.000000T0000Z-211017T0300Z/ Ventura County Interior Valleys-Ventura County Coastal Valleys- Santa Monica Mountains Recreational Area- Ventura County Mountains / Los Padres National Forest- Los Angeles County Mountains / Angeles National Forest- Santa Clarita Valley-Los Angeles County San Fernando Valley- 811 PM PDT Sat Oct 16 2021 ...RED FLAG WARNING HAS EXPIRED FOR WIND AND LOW RELATIVE HUMIDITY FOR THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS AND VALLEYS... Offshore winds have diminished this evening, and switched to onshore in many locations. As a result, the Red Flag Warning has been allowed to expire. However, increasing onshore winds and continued low humidities will bring elevated fire weather conditions to the Los Angeles county mountains and Antelope Valley on Sunday, especially in the afternoon and evening hours when wind gusts of 30 to 40 mph will be common. $$ Gomberg
The office that day
Everything else NWS Los Angeles, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 12, 9:02 PM PDT | Small Craft Advisory | LOX | 65 hr | |
| Oct 13, 3:11 AM PDT | Wind Advisory | LOX | 24 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.