Alert archive / California / Wind Advisories in 2021
Wind Advisory 11, NWS Los Angeles, CA
NWS Los Angeles, CA issued this wind advisory at Jan 20, 2021, 6:06 PM PST for Los Angeles County, California. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Jan 20, 2021, 6:06 PM PST (02:06 UTC)
- Expired
- Jan 20, 2021, 10:00 PM PST
- In force
- 4 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 02:07 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 00:00Z, 2.1 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
- 1756 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 9 m²/s²
- 0-3 km storm-relative helicity
- 24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
534 WWUS76 KLOX 210206 NPWLOX URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 606 PM PST Wed Jan 20 2021 CAZ053-054-210600- /O.EXP.KLOX.WI.Y.0010.000000T0000Z-210121T0200Z/ /O.NEW.KLOX.WI.Y.0011.210121T0206Z-210121T0600Z/ Ventura County Mountains- Los Angeles County Mountains excluding the Santa Monica Range- Including the cities of Lockwood Valley, Mount Pinos, Acton, Mount Wilson, and Sandberg 606 PM PST Wed Jan 20 2021 ...WIND ADVISORY IN EFFECT UNTIL 10 PM PST THIS EVENING... * WHAT...Northeast winds 20 to 30 mph with gusts to 45 mph. * WHERE...Ventura County Mountains and Los Angeles County Mountains excluding the Santa Monica Range. * WHEN...Until 10 PM PST this evening. * IMPACTS...Gusty winds will blow around unsecured objects and make driving difficult, especially for high profile vehicles. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ044-045-210600- /O.EXP.KLOX.WI.Y.0010.000000T0000Z-210121T0200Z/ /O.NEW.KLOX.WI.Y.0011.210121T0206Z-210121T0600Z/ Ventura County Interior Valleys-Ventura County Coastal Valleys- Including the cities of Santa Paula, Fillmore, Ojai, Piru, Thousand Oaks, Simi Valley, Moorpark, and Newbury Park 606 PM PST Wed Jan 20 2021 ...WIND ADVISORY IN EFFECT UNTIL 10 PM PST THIS EVENING... * WHAT...Northeast winds 15 to 25 mph with gusts to 40 mph. * WHERE...Ventura County Interior Valleys and Ventura County Coastal Valleys. * WHEN...Until 10 PM PST this evening. * IMPACTS...Gusty winds will blow around unsecured objects and make driving difficult, especially for high profile vehicles. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ088-547-210600- /O.EXP.KLOX.WI.Y.0010.000000T0000Z-210121T0200Z/ /O.NEW.KLOX.WI.Y.0011.210121T0206Z-210121T0600Z/ Santa Clarita Valley-Los Angeles County San Fernando Valley- Including the cities of Santa Clarita, Newhall, Valencia, Woodland Hills, Northridge, Burbank, and Universal City 606 PM PST Wed Jan 20 2021 ...WIND ADVISORY IN EFFECT UNTIL 10 PM PST THIS EVENING... ...WIND ADVISORY HAS EXPIRED... * WHAT...Northeast winds 15 to 25 mph with gusts to 40 mph. * WHERE...Santa Clarita Valley and San Fernando Valley. * WHEN...Until 10 PM PST this evening. * IMPACTS...Gusty winds will blow around unsecured objects and make driving difficult, especially for high profile vehicles. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ040-046-210315- /O.EXP.KLOX.WI.Y.0010.000000T0000Z-210121T0200Z/ Ventura County Coast-Santa Monica Mountains Recreational Area- Including the cities of Ventura, Oxnard, and Camarillo 606 PM PST Wed Jan 20 2021 ...WIND ADVISORY HAS EXPIRED... $$ CAZ041-210315- /O.EXP.KLOX.WI.Y.0009.000000T0000Z-210121T0200Z/ Los Angeles County Coast including Downtown Los Angeles- Including the cities of Malibu, Santa Monica, Beverly Hills, Hollywood, and Long Beach 606 PM PST Wed Jan 20 2021 ...WIND ADVISORY HAS EXPIRED... $$
1 follow-up statement
032 WWUS76 KLOX 210603 NPWLOX URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 1003 PM PST Wed Jan 20 2021 CAZ044-045-053-054-088-547-210715- /O.EXP.KLOX.WI.Y.0011.000000T0000Z-210121T0600Z/ Ventura County Interior Valleys-Ventura County Coastal Valleys- Ventura County Mountains- Los Angeles County Mountains excluding the Santa Monica Range- Santa Clarita Valley-Los Angeles County San Fernando Valley- Including the cities of Santa Paula, Fillmore, Ojai, Piru, Thousand Oaks, Simi Valley, Moorpark, Newbury Park, Lockwood Valley, Mount Pinos, Acton, Mount Wilson, Sandberg, Santa Clarita, Newhall, Valencia, Woodland Hills, Northridge, Burbank, and Universal City 1003 PM PST Wed Jan 20 2021 ...WIND ADVISORY HAS EXPIRED... The winds have diminished to below advisory levels. $$ ASR
Nearby
Wind Advisories in California, 2021Every wind advisory 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.