Alert archive / California / High Wind Watches in 2021
High Wind Watch 4, NWS San Diego, CA
NWS San Diego, CA issued this high wind watch at Feb 26, 2021, 3:44 AM PST for 4 counties in California. It took effect at Feb 27, 2021, 10:00 PM PST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Feb 26, 2021, 3:44 AM PST (11:44 UTC)
- In effect from
- Feb 27, 2021, 10:00 PM PST
- Expired
- Feb 27, 2021, 2:52 AM PST
- In force
- Issued by
- NWS San Diego, CA
Counties Orange County, CA, Riverside County, CA, San Bernardino County, CA, San Diego County, CA
The radar
The Santa Ana Mts radar (KSOX), 88 km from the middle of the area, began a volume at 11:45 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, 11.7 hours before the alert went out and 124 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
- 3019 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -50 m²/s²
- 0-3 km storm-relative helicity
- 10 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
876 WWUS76 KSGX 261144 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 344 AM PST Fri Feb 26 2021 CAZ048-055>057-065-554-262300- /O.NEW.KSGX.HW.A.0004.210228T0600Z-210301T0000Z/ San Bernardino and Riverside County Valleys-The Inland Empire- San Bernardino County Mountains-Riverside County Mountains- Santa Ana Mountains and Foothills-San Gorgonio Pass Near Banning- Orange County Inland Areas- Including the cities of San Bernardino, Fontana, Rancho Cucamonga, Crestline, Lake Arrowhead, Running Springs, Idyllwild-Pine Cove, Banning, Desert Hot Springs, Santa Ana, Orange, and Mission Viejo 344 AM PST Fri Feb 26 2021 ...HIGH WIND WATCH IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY AFTERNOON... * WHAT...Northeast winds 25 to 35 mph with gusts to 60 mph possible. Isolated gusts to 75 mph possible. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire, San Bernardino County Mountains, Riverside County Mountains, Santa Ana Mountains and Foothills, San Gorgonio Pass Near Banning and Orange County Inland Areas. * WHEN...From Saturday evening through Sunday afternoon. * IMPACTS...Damaging winds could blow down trees and power lines. Power outages are possible. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...The strongest winds are expected for late Saturday night through Sunday morning. 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. && $$ For more information from the National Weather Service visit http://weather.gov/sandiego 17
3 follow-up statements
715 WWUS76 KSGX 262215 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 215 PM PST Fri Feb 26 2021 CAZ048-055>057-065-554-270615- /O.CON.KSGX.HW.A.0004.210228T0600Z-210301T0000Z/ San Bernardino and Riverside County Valleys-The Inland Empire- San Bernardino County Mountains-Riverside County Mountains- Santa Ana Mountains and Foothills-San Gorgonio Pass Near Banning- Orange County Inland Areas- Including the cities of San Bernardino, Fontana, Rancho Cucamonga, Crestline, Lake Arrowhead, Running Springs, Idyllwild-Pine Cove, Banning, Desert Hot Springs, Santa Ana, Orange, and Mission Viejo 215 PM PST Fri Feb 26 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY AFTERNOON... * WHAT...Northeast winds 25 to 35 mph with gusts to 60 mph possible. Isolated gusts to 75 mph. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire, San Bernardino County Mountains, Riverside County Mountains, Santa Ana Mountains and Foothills, San Gorgonio Pass Near Banning and Orange County Inland Areas. * WHEN...From Saturday evening through Sunday afternoon. * IMPACTS...Damaging winds could blow down trees and power lines. Power outages are possible. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...The strongest winds will be late Saturday night through Sunday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ Moede
724 WWUS76 KSGX 270600 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 1000 PM PST Fri Feb 26 2021 CAZ048-055>057-065-554-271400- /O.CON.KSGX.HW.A.0004.210228T0600Z-210301T0000Z/ San Bernardino and Riverside County Valleys-The Inland Empire- San Bernardino County Mountains-Riverside County Mountains- Santa Ana Mountains and Foothills-San Gorgonio Pass Near Banning- Orange County Inland Areas- Including the cities of San Bernardino, Fontana, Rancho Cucamonga, Crestline, Lake Arrowhead, Running Springs, Idyllwild-Pine Cove, Banning, Desert Hot Springs, Santa Ana, Orange, and Mission Viejo 1000 PM PST Fri Feb 26 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY AFTERNOON... * WHAT...Northeast winds 25 to 35 mph with gusts to 60 mph possible. Isolated gusts to 75 mph. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire, San Bernardino County Mountains, Riverside County Mountains, Santa Ana Mountains and Foothills, San Gorgonio Pass Near Banning and Orange County Inland Areas. * WHEN...From Saturday evening through Sunday afternoon. * IMPACTS...Damaging winds could blow down trees and power lines. Power outages are possible. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...The strongest winds will be late Saturday night through Sunday morning. 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
660 WWUS76 KSGX 271052 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 252 AM PST Sat Feb 27 2021 CAZ048-055>057-065-554-272200- /O.UPG.KSGX.HW.A.0004.210228T0600Z-210301T0000Z/ /O.NEW.KSGX.HW.W.0006.210228T0400Z-210228T2300Z/ San Bernardino and Riverside County Valleys-The Inland Empire- San Bernardino County Mountains-Riverside County Mountains- Santa Ana Mountains and Foothills-San Gorgonio Pass Near Banning- Orange County Inland Areas- Including the cities of San Bernardino, Fontana, Rancho Cucamonga, Crestline, Lake Arrowhead, Running Springs, Idyllwild-Pine Cove, Banning, Desert Hot Springs, Santa Ana, Orange, and Mission Viejo 252 AM PST Sat Feb 27 2021 ...HIGH WIND WARNING IN EFFECT FROM 8 PM THIS EVENING TO 3 PM PST SUNDAY... The National Weather Service in San Diego has issued a High Wind Warning...which is in effect from 8 PM this evening to 3 PM PST Sunday. The High Wind Watch is no longer in effect. * WHAT...Northeast winds 25 to 40 mph with gusts 55 to 65 mph. Isolated gusts to 70 mph. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire, San Bernardino County Mountains, Riverside County Mountains, Santa Ana Mountains and Foothills, San Gorgonio Pass Near Banning and Orange County Inland Areas. * WHEN...From Saturday evening through Sunday afternoon. * IMPACTS...Damaging winds could blow down trees and power lines. Power outages are possible. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...The strongest winds will be late Saturday night through Sunday morning. 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. A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ CAZ552-272200- /O.NEW.KSGX.WI.Y.0011.210228T0400Z-210228T2300Z/ Orange County Coastal Areas- Including the cities of Huntington Beach and Costa Mesa 252 AM PST Sat Feb 27 2021 ...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 3 PM PST SUNDAY... The National Weather Service in San Diego has issued a Wind Advisory...which is in effect from 8 PM this evening to 3 PM PST Sunday. * Winds...Northeast 20 to 30 mph with gusts 45 mph. * Timing...Late this evening through Sunday afternoon. * Location...Orange County coast. * Impacts...Gusty winds could blow around unsecured objects. Tree limbs and palm fronds could be blown down. * Outlook...Winds decreasing Sunday evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that winds of 35 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$ 10
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.