Alert archive / California / High Wind Watches in 2021
High Wind Watch 7, NWS San Diego, CA
NWS San Diego, CA issued this high wind watch at Oct 9, 2021, 12:17 PM PDT for San Bernardino County, California. It took effect at Oct 11, 2021, 1:00 PM PDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Oct 9, 2021, 12:17 PM PDT (19:17 UTC)
- In effect from
- Oct 11, 2021, 1:00 PM PDT
- Expired
- Oct 10, 2021, 2:54 AM PDT
- In force
- Issued by
- NWS San Diego, CA
County San Bernardino County, CA
The radar
The Edwards AFB radar (KEYX), 129 km from the middle of the area, began a volume at 19:22 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
Las Vegas, NV (KVEF), launched 12:00Z, 7.3 hours before the alert went out and 180 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
- 1846 m above ground
- 0-6 km bulk shear
- 79 kt
- 0-1 km storm-relative helicity
- -120 m²/s²
- 0-3 km storm-relative helicity
- 29 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
379 WWUS76 KSGX 091917 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 1217 PM PDT Sat Oct 9 2021 CAZ056-058-061-062-065-100500- /O.NEW.KSGX.WI.Y.0034.211011T2100Z-211012T1000Z/ Riverside County Mountains-San Diego County Mountains- Coachella Valley-San Diego County Deserts- San Gorgonio Pass Near Banning- Including the cities of Idyllwild-Pine Cove, Julian, Pine Valley, Indio, Palm Springs, Cathedral City, Palm Desert, Palm Desert Country, La Quinta, Coachella, Borrego Springs, Banning, and Desert Hot Springs 1217 PM PDT Sat Oct 9 2021 ...WIND ADVISORY IN EFFECT FROM 2 PM MONDAY TO 3 AM PDT TUESDAY... * WHAT...West winds 25 to 35 mph with gusts to 60 mph expected. * WHERE...Riverside County Mountains, San Diego County Mountains, Coachella Valley, San Diego County Deserts and San Gorgonio Pass Near Banning. * WHEN...From 2 PM Monday to 3 AM PDT Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. 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. && $$ CAZ055-060-100500- /O.NEW.KSGX.HW.A.0007.211011T2200Z-211012T1000Z/ San Bernardino County Mountains-Apple and Lucerne Valleys- Including the cities of Crestline, Lake Arrowhead, Big Bear City, Big Bear Lake, Running Springs, Wrightwood, Victorville, Hesperia, and Apple Valley 1217 PM PDT Sat Oct 9 2021 ...HIGH WIND WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH LATE MONDAY NIGHT... * WHAT...Northwest winds 30 to 45 mph with gusts to 65 to 70 mph possible in some mountain areas. * WHERE...San Bernardino County Mountains and Apple and Lucerne Valleys. * WHEN...From Monday afternoon through late Monday night. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...West to northwest winds Monday afternoon will turn northerly Monday evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ For more information from the National Weather Service visit http://weather.gov/sandiego
2 follow-up statements
553 WWUS76 KSGX 100318 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 818 PM PDT Sat Oct 9 2021 CAZ056-058-061-062-065-101300- /O.EXT.KSGX.WI.Y.0034.211011T2000Z-211012T1000Z/ Riverside County Mountains-San Diego County Mountains- Coachella Valley-San Diego County Deserts- San Gorgonio Pass Near Banning- Including the cities of Idyllwild-Pine Cove, Julian, Pine Valley, Indio, Palm Springs, Cathedral City, Palm Desert, Palm Desert Country, La Quinta, Coachella, Borrego Springs, Banning, and Desert Hot Springs 818 PM PDT Sat Oct 9 2021 ...WIND ADVISORY NOW IN EFFECT FROM 1 PM MONDAY TO 3 AM PDT TUESDAY... * WHAT...West winds 25 to 35 mph with gusts 55 to 60 mph expected. * WHERE...Riverside County Mountains, San Diego County Mountains, Coachella Valley, San Diego County Deserts and San Gorgonio Pass Near Banning. * WHEN...From 1 PM Monday to 3 AM PDT Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. 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. && $$ CAZ055-060-101300- /O.EXT.KSGX.HW.A.0007.211011T2000Z-211012T1000Z/ San Bernardino County Mountains-Apple and Lucerne Valleys- Including the cities of Crestline, Lake Arrowhead, Big Bear City, Big Bear Lake, Running Springs, Wrightwood, Victorville, Hesperia, and Apple Valley 818 PM PDT Sat Oct 9 2021 ...HIGH WIND WATCH NOW IN EFFECT FROM MONDAY AFTERNOON THROUGH LATE MONDAY NIGHT... * WHAT...Northwest winds 30 to 45 mph with gusts to 65 to 70 mph possible in some mountain areas. * WHERE...San Bernardino County Mountains and Apple and Lucerne Valleys. * WHEN...From Monday afternoon through late Monday night. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...West to northwest winds Monday afternoon will turn northerly Monday evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ jmb For more information from the National Weather Service visit http://weather.gov/sandiego
372 WWUS76 KSGX 100954 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 254 AM PDT Sun Oct 10 2021 CAZ055-060-102000- /O.UPG.KSGX.HW.A.0007.211011T2000Z-211012T1000Z/ /O.NEW.KSGX.HW.W.0008.211011T1800Z-211012T1000Z/ San Bernardino County Mountains-Apple and Lucerne Valleys- Including the cities of Crestline, Lake Arrowhead, Big Bear City, Big Bear Lake, Running Springs, Wrightwood, Victorville, Hesperia, and Apple Valley 254 AM PDT Sun Oct 10 2021 ...HIGH WIND WARNING IN EFFECT FROM 11 AM MONDAY TO 3 AM TUESDAY... * WHAT...West winds 25 to 35 mph with gusts from 60 to 70 mph expected. * WHERE...San Bernardino County Mountains and Apple and Lucerne Valleys. * WHEN...From 11 AM Monday to 3 AM Tuesday. * 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...West to northwest winds Monday afternoon will shift northerly Monday evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution if you must drive. && $$ CAZ056-058-061-062-065-102000- /O.CON.KSGX.WI.Y.0034.211011T2000Z-211012T1000Z/ Riverside County Mountains-San Diego County Mountains- Coachella Valley-San Diego County Deserts- San Gorgonio Pass Near Banning- Including the cities of Idyllwild-Pine Cove, Julian, Pine Valley, Indio, Palm Springs, Cathedral City, Palm Desert, Palm Desert Country, La Quinta, Coachella, Borrego Springs, Banning, and Desert Hot Springs 254 AM PDT Sun Oct 10 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 1 PM MONDAY TO 3 AM TUESDAY... * WHAT...West winds 25 to 35 mph with gusts 55 to 60 mph expected. * WHERE...Riverside County Mountains, San Diego County Mountains, Coachella Valley, San Diego County Deserts and San Gorgonio Pass Near Banning. * WHEN...From 1 PM Monday to 3 AM Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Moede
The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 9, 12:17 PM PDT | Wind Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 63 hr |
| Oct 9, 12:28 PM PDT | Small Craft Advisory | SGX | 71 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.