Alert archive / California / High Wind Watches in 2021
High Wind Watch 9, NWS San Diego, CA
NWS San Diego, CA issued this high wind watch at Dec 12, 2021, 3:00 AM PST for San Bernardino County, San Diego County, California. It took effect at Dec 14, 2021, 4:00 AM PST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Dec 12, 2021, 3:00 AM PST (11:00 UTC)
- In effect from
- Dec 14, 2021, 4:00 AM PST
- Expired
- Dec 13, 2021, 3:50 AM PST
- In force
- Issued by
- NWS San Diego, CA
The radar
The Santa Ana Mts radar (KSOX), 108 km from the middle of the area, began a volume at 11:02 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, 11.0 hours before the alert went out and 143 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
- 2544 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- -30 m²/s²
- 0-3 km storm-relative helicity
- 117 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
905 WWUS76 KSGX 121100 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 300 AM PST Sun Dec 12 2021 CAZ060-122200- /O.NEW.KSGX.HW.A.0009.211214T1200Z-211215T0300Z/ Apple and Lucerne Valleys- Including the cities of Victorville, Hesperia, and Apple Valley 300 AM PST Sun Dec 12 2021 ...HIGH WIND WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY EVENING... * WHAT...South winds 30 to 40 mph with gusts to 65 mph possible. * WHERE...Apple and Lucerne Valleys. * WHEN...From early Tuesday morning through Tuesday evening. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Strongest winds gusts are most likely near the foothills. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ CAZ058-062-122200- /O.NEW.KSGX.HW.A.0009.211214T2000Z-211215T1200Z/ San Diego County Mountains-San Diego County Deserts- Including the cities of Julian, Pine Valley, and Borrego Springs 300 AM PST Sun Dec 12 2021 ...HIGH WIND WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY NIGHT... * WHAT...Southwest winds 30 to 40 mph with gusts to 65 to 75 mph possible. * WHERE...San Diego County Mountains and San Diego County Deserts. * WHEN...From Tuesday afternoon through late Tuesday night. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Strongest winds are expected along the mountain ridges and on the upper desert slope areas. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ For more information from the National Weather Service visit http://weather.gov/sandiego
3 follow-up statements
274 WWUS76 KSGX 122109 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 109 PM PST Sun Dec 12 2021 CAZ060-130600- /O.CON.KSGX.HW.A.0009.211214T1200Z-211215T0300Z/ Apple and Lucerne Valleys- Including the cities of Victorville, Hesperia, and Apple Valley 109 PM PST Sun Dec 12 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY EVENING... * WHAT...South winds 30 to 40 mph with gusts to 65 mph possible. * WHERE...Apple and Lucerne Valleys. * WHEN...From early Tuesday morning through Tuesday evening. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Strongest winds gusts are most likely near the foothills. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ CAZ058-062-130600- /O.CON.KSGX.HW.A.0009.211214T2000Z-211215T1200Z/ San Diego County Mountains-San Diego County Deserts- Including the cities of Julian, Pine Valley, and Borrego Springs 109 PM PST Sun Dec 12 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY NIGHT... * WHAT...Southwest winds 30 to 40 mph with gusts to 65 to 75 mph possible. * WHERE...San Diego County Mountains and San Diego County Deserts. * WHEN...From Tuesday afternoon through late Tuesday night. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Strongest winds are expected along the mountain ridges and on the upper desert slope areas. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ For more information from the National Weather Service visit http://weather.gov/sandiego
485 WWUS76 KSGX 130549 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 949 PM PST Sun Dec 12 2021 CAZ060-131400- /O.CON.KSGX.HW.A.0009.211214T1200Z-211215T0300Z/ Apple and Lucerne Valleys- Including the cities of Victorville, Hesperia, and Apple Valley 949 PM PST Sun Dec 12 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY EVENING... * WHAT...South winds 30 to 40 mph with gusts to 65 mph possible. * WHERE...Apple and Lucerne Valleys. * WHEN...From early Tuesday morning through Tuesday evening. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Strongest winds gusts are most likely near the foothills. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ CAZ058-062-131400- /O.CON.KSGX.HW.A.0009.211214T2000Z-211215T1200Z/ San Diego County Mountains-San Diego County Deserts- Including the cities of Julian, Pine Valley, and Borrego Springs 949 PM PST Sun Dec 12 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY NIGHT... * WHAT...Southwest winds 30 to 40 mph with gusts to 65 to 75 mph possible. * WHERE...San Diego County Mountains and San Diego County Deserts. * WHEN...From Tuesday afternoon through late Tuesday night. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Strongest winds are expected along the mountain ridges and on the upper desert slope areas. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ For more information from the National Weather Service visit http://weather.gov/sandiego jmb
716 WWUS76 KSGX 131150 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 350 AM PST Mon Dec 13 2021 CAZ058-062-132200- /O.UPG.KSGX.HW.A.0009.211214T2000Z-211215T1200Z/ /O.NEW.KSGX.HW.W.0010.211214T1200Z-211215T1200Z/ San Diego County Mountains-San Diego County Deserts- Including the cities of Julian, Pine Valley, and Borrego Springs 350 AM PST Mon Dec 13 2021 ...HIGH WIND WARNING IN EFFECT FROM 4 AM TUESDAY TO 4 AM PST WEDNESDAY... * WHAT...Southwest winds 25 to 35 mph with gusts to 60 mph expected. * WHERE...San Diego County Mountains and San Diego County Deserts. * WHEN...From 4 AM Tuesday to 4 AM PST Wednesday. * IMPACTS...Damaging winds will blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Winds will be strongest along the ridges and into adjacent desert. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution if you must drive. && $$ CAZ060-132200- /O.UPG.KSGX.HW.A.0009.211214T1200Z-211215T0300Z/ /O.NEW.KSGX.HW.W.0010.211214T1200Z-211215T1200Z/ Apple and Lucerne Valleys- Including the cities of Victorville, Hesperia, and Apple Valley 350 AM PST Mon Dec 13 2021 ...HIGH WIND WARNING IN EFFECT FROM 4 AM TUESDAY TO 4 AM PST WEDNESDAY... * WHAT...Southwest winds 25 to 35 mph with gusts to 60 mph expected. * WHERE...Apple and Lucerne Valleys. * WHEN...From 4 AM Tuesday to 4 AM PST Wednesday. * IMPACTS...Damaging winds will blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Winds will be strongest near the mountains. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution if you must drive. && $$ CAZ055-056-132200- /O.NEW.KSGX.HW.W.0010.211214T1200Z-211215T1200Z/ San Bernardino County Mountains-Riverside County Mountains- Including the cities of Crestline, Lake Arrowhead, Big Bear City, Big Bear Lake, Running Springs, Wrightwood, and Idyllwild-Pine Cove 350 AM PST Mon Dec 13 2021 ...HIGH WIND WARNING IN EFFECT FROM 4 AM TUESDAY TO 4 AM PST WEDNESDAY... * WHAT...Southwest winds 25 to 35 mph with gusts to 60 mph expected. * WHERE...San Bernardino County Mountains and Riverside County Mountains. * WHEN...From 4 AM Tuesday to 4 AM PST Wednesday. * IMPACTS...Damaging winds will blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Winds will be strongest along the ridges and into adjacent desert. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution if you must drive. && $$ CAZ043-057-061-065-552-132200- /O.NEW.KSGX.WI.Y.0039.211214T1500Z-211215T0300Z/ San Diego County Coastal Areas-Santa Ana Mountains and Foothills- Coachella Valley-San Gorgonio Pass Near Banning- Orange County Coastal Areas- Including the cities of Vista, Carlsbad, Encinitas, Chula Vista, National City, San Diego, Indio, Palm Springs, Cathedral City, Palm Desert, Palm Desert Country, La Quinta, Coachella, Banning, Desert Hot Springs, Huntington Beach, and Costa Mesa 350 AM PST Mon Dec 13 2021 ...WIND ADVISORY IN EFFECT FROM 7 AM TO 7 PM PST TUESDAY... * WHAT...South winds 15 to 25 mph with gusts to 45 mph expected. * WHERE...San Diego County Coastal Areas, Santa Ana Mountains and Foothills, Coachella Valley, San Gorgonio Pass Near Banning and Orange County Coastal Areas. * WHEN...From 7 AM to 7 PM PST Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Winds will be strongest along the immediate coast, the Santa Ana Mountains and through the I-10 corridor into the Coachella Valley. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 12, 1:54 AM PST | Gale Watch | SGX | 15 hr | |
| Dec 12, 3:13 AM PST | Winter Storm Watch | SGX | Riverside, San Bernardino | 25 hr |
Nearby
High Wind Watches in California, 2021Every high wind watch 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.