Alert archive / California / Wind Advisories in 2021
Wind Advisory 107, NWS Los Angeles, CA
NWS Los Angeles, CA issued this wind advisory at Oct 27, 2021, 2:02 PM PDT for Los Angeles County, California. It took effect at Oct 28, 2021, 3:00 AM PDT. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Oct 27, 2021, 2:02 PM PDT (21:02 UTC)
- In effect from
- Oct 28, 2021, 3:00 AM PDT
- Expired
- Oct 28, 2021, 3:00 PM PDT
- In force
- 12 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 21:05 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, 9.0 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
- 2340 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- -20 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
013 WWUS76 KLOX 272102 NPWLOX URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 202 PM PDT Wed Oct 27 2021 CAZ053-054-281000- /O.NEW.KLOX.WI.Y.0107.211028T1000Z-211028T2200Z/ 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 202 PM PDT Wed Oct 27 2021 ...WIND ADVISORY IN EFFECT FROM 3 AM TO 3 PM PDT THURSDAY... * WHAT...North to northeast winds 15 to 25 mph with gusts up to 50 mph expected. * WHERE...Ventura County Mountains and Los Angeles County Mountains excluding the Santa Monica Range. * WHEN...From 3 AM to 3 PM PDT Thursday. * 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. && $$ CAZ044-045-088-547-281000- /O.NEW.KLOX.WI.Y.0107.211028T1000Z-211028T2200Z/ Ventura County Interior Valleys-Ventura County Coastal Valleys- Santa Clarita Valley-Los Angeles County San Fernando Valley- Including the cities of Santa Paula, Fillmore, Ojai, Piru, Thousand Oaks, Simi Valley, Moorpark, Newbury Park, Santa Clarita, Newhall, Valencia, Woodland Hills, Northridge, Burbank, and Universal City 202 PM PDT Wed Oct 27 2021 ...WIND ADVISORY IN EFFECT FROM 3 AM TO 3 PM PDT THURSDAY... * WHAT...North to northeast winds 15 to 25 mph with gusts up to 40 mph expected. * WHERE...Ventura County Interior Valleys, Ventura County Coastal Valleys, Santa Clarita Valley and San Fernando Valley. * WHEN...From 3 AM to 3 PM PDT Thursday. * IMPACTS...Gusty winds will blow around unsecured objects and make driving difficult, especially for high profile vehicles. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ046-281000- /O.NEW.KLOX.WI.Y.0107.211028T1000Z-211028T2200Z/ Santa Monica Mountains Recreational Area- 202 PM PDT Wed Oct 27 2021 ...WIND ADVISORY IN EFFECT FROM 3 AM TO 3 PM PDT THURSDAY... * WHAT...North to northeast winds 20 to 30 mph with gusts to 45 mph. * WHERE...Santa Monica Mountains. * WHEN...From 3 AM to 3 PM PDT Thursday. * 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. && $$ RAT
2 follow-up statements
856 WWUS76 KLOX 280908 NPWLOX URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 208 AM PDT Thu Oct 28 2021 CAZ053-054-282200- /O.CON.KLOX.WI.Y.0107.211028T1000Z-211028T2200Z/ Ventura County Mountains- Los Angeles County Mountains excluding the Santa Monica Range- Including the cities of Lockwood Valley, Mount Pinos, Acton, Mount Wilson, and Sandberg 208 AM PDT Thu Oct 28 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT THIS AFTERNOON... * WHAT...North to northeast winds 15 to 25 mph with gusts up to 50 mph expected. * WHERE...Ventura County Mountains and Los Angeles County Mountains excluding the Santa Monica Range. * WHEN...Until 3 PM PDT this afternoon. * IMPACTS...Gusty winds will blow around unsecured objects and make driving difficult, especially for high profile vehicles. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ044-045-088-547-282200- /O.CON.KLOX.WI.Y.0107.211028T1000Z-211028T2200Z/ Ventura County Interior Valleys-Ventura County Coastal Valleys- 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, Santa Clarita, Newhall, Valencia, Woodland Hills, Northridge, Burbank, and Universal City 208 AM PDT Thu Oct 28 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT THIS AFTERNOON... * WHAT...North to northeast winds 15 to 25 mph with gusts up to 40 mph expected. * WHERE...Ventura County Interior Valleys, Ventura County Coastal Valleys, Santa Clarita Valley and San Fernando Valley. * WHEN...Until 3 PM PDT this afternoon. * 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. && $$ CAZ046-282200- /O.CON.KLOX.WI.Y.0107.211028T1000Z-211028T2200Z/ Santa Monica Mountains Recreational Area- 208 AM PDT Thu Oct 28 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT THIS AFTERNOON... * WHAT...North to northeast winds 20 to 30 mph with gusts to 45 mph. * WHERE...Santa Monica Mountains. * WHEN...Until 3 PM PDT this afternoon. * IMPACTS...Gusty winds will blow around unsecured objects and make driving difficult, especially for high profile vehicles. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Rorke
555 WWUS76 KLOX 282155 NPWLOX URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 255 PM PDT Thu Oct 28 2021 CAZ053-054-282300- /O.EXP.KLOX.WI.Y.0107.000000T0000Z-211028T2200Z/ 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 255 PM PDT Thu Oct 28 2021 ...WIND ADVISORY WILL EXPIRE AT 3 PM PDT THIS AFTERNOON... Winds have subsided below Advisory level, however a few local gusts between 45-50 mph are likely through early this evening. $$ CAZ044-045-088-547-282300- /O.EXP.KLOX.WI.Y.0107.000000T0000Z-211028T2200Z/ Ventura County Interior Valleys-Ventura County Coastal Valleys- Santa Clarita Valley-Los Angeles County San Fernando Valley- Including the cities of Santa Paula, Fillmore, Ojai, Piru, Thousand Oaks, Simi Valley, Moorpark, Newbury Park, Santa Clarita, Newhall, Valencia, Woodland Hills, Northridge, Burbank, and Universal City 255 PM PDT Thu Oct 28 2021 ...WIND ADVISORY WILL EXPIRE AT 3 PM PDT THIS AFTERNOON... Winds have subsided below Advisory level. $$ CAZ046-282300- /O.EXP.KLOX.WI.Y.0107.000000T0000Z-211028T2200Z/ Santa Monica Mountains Recreational Area- 255 PM PDT Thu Oct 28 2021 ...WIND ADVISORY WILL EXPIRE AT 3 PM PDT THIS AFTERNOON... Winds have subsided below Advisory level. $$
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.