Alert archive / California / High Wind Warnings in 2021
High Wind Warning 6, NWS San Diego, CA
NWS San Diego, CA issued this high wind warning at Feb 27, 2021, 2:52 AM PST for 4 counties in California. It took effect at Feb 27, 2021, 8:00 PM PST. It was in force for 19 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Feb 27, 2021, 2:52 AM PST (10:52 UTC)
- In effect from
- Feb 27, 2021, 8:00 PM PST
- Expired
- Feb 28, 2021, 3:00 PM PST
- In force
- 19 hr
- 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 10:49 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, 10.9 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
- 4101 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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 The High Wind Watch is no longer in effect.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
4 follow-up statements
904 WWUS76 KSGX 272158 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 158 PM PST Sat Feb 27 2021 CAZ048-055>057-065-554-280600- /O.CON.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 158 PM PST Sat Feb 27 2021 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 3 PM PST SUNDAY... * WHAT...Northeast winds 20 to 40 mph with gusts to 65 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...This evening through Sunday afternoon, strongest winds occurring from dawn through noon Sunday. * IMPACTS...Damaging winds could blow down trees and power lines. Power outages are possible. Travel could be difficult, especially for high profile vehicles. 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. && $$ CAZ552-280600- /O.CON.KSGX.WI.Y.0011.210228T0400Z-210228T2300Z/ Orange County Coastal Areas- Including the cities of Huntington Beach and Costa Mesa 158 PM PST Sat Feb 27 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 3 PM PST SUNDAY... * Winds...Northeast 20 to 30 mph with gusts 45 mph. * Timing...Late this evening through Sunday afternoon. * Location...Orange County coast. * Impacts...Gusty winds could blow around unsecured objects. Tree limbs and palm fronds could be blown down. * Outlook...Winds decreasing Sunday evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that winds of 35 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$ For more information from the National Weather Service visit http://weather.gov/sandiego
775 WWUS76 KSGX 280552 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 952 PM PST Sat Feb 27 2021 CAZ048-055>057-065-554-281400- /O.CON.KSGX.HW.W.0006.000000T0000Z-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 952 PM PST Sat Feb 27 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 PM PST SUNDAY... * WHAT...Northeast winds 20 to 40 mph with gusts to 65 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...Through Sunday afternoon, strongest winds occurring from dawn through noon Sunday. * IMPACTS...Damaging winds could blow down trees and power lines. Power outages are possible. Travel could be difficult, especially for high profile vehicles. 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. && $$ CAZ552-281400- /O.CON.KSGX.WI.Y.0011.000000T0000Z-210228T2300Z/ Orange County Coastal Areas- Including the cities of Huntington Beach and Costa Mesa 952 PM PST Sat Feb 27 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST SUNDAY... * Winds...Northeast 20 to 30 mph with gusts 45 mph. * Timing...Late this evening through Sunday afternoon. * Location...Orange County coast. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs and palm fronds could be blown down. * Outlook...Winds decreasing Sunday evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that winds of 35 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$ jmb For more information from the National Weather Service visit http://weather.gov/sandiego
200 WWUS76 KSGX 281028 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 228 AM PST Sun Feb 28 2021 CAZ552-282200- /O.CAN.KSGX.WI.Y.0011.000000T0000Z-210228T2300Z/ /O.NEW.KSGX.WI.Y.0012.210228T1100Z-210228T2300Z/ Orange County Coastal Areas- Including the cities of Huntington Beach and Costa Mesa 228 AM PST Sun Feb 28 2021 ...WIND ADVISORY IN EFFECT UNTIL 3 PM PST THIS AFTERNOON... * WHAT...Northeast winds 20 to 30 mph with gusts to 45 mph expected. * WHERE...Orange County Coastal Areas. * WHEN...Until 3 PM PST this afternoon. * 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... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ056-065-282200- /O.NEW.KSGX.WI.Y.0012.210228T2300Z-210301T1100Z/ /O.CON.KSGX.HW.W.0006.000000T0000Z-210228T2300Z/ Riverside County Mountains-San Gorgonio Pass Near Banning- Including the cities of Idyllwild-Pine Cove, Banning, and Desert Hot Springs 228 AM PST Sun Feb 28 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 PM PST THIS AFTERNOON... ...WIND ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO 3 AM PST MONDAY... * WHAT...For the High Wind Warning, northeast winds 25 to 35 mph with gusts to 55 to 65 mph. For the Wind Advisory, east winds 15 to 25 mph with gusts 45 to 50 mph expected. * WHERE...Riverside County Mountains and San Gorgonio Pass Near Banning. * WHEN...For the High Wind Warning, until 3 PM PST this afternoon. For the Wind Advisory, from 3 PM this afternoon to 3 AM PST Monday. * IMPACTS...Damaging winds will blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution if you must drive. && $$ CAZ048-055-057-554-282200- /O.CON.KSGX.HW.W.0006.000000T0000Z-210228T2300Z/ San Bernardino and Riverside County Valleys-The Inland Empire- San Bernardino County Mountains-Santa Ana Mountains and Foothills- Orange County Inland Areas- Including the cities of San Bernardino, Fontana, Rancho Cucamonga, Crestline, Lake Arrowhead, Running Springs, Santa Ana, Orange, and Mission Viejo 228 AM PST Sun Feb 28 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 PM PST THIS AFTERNOON... * WHAT...Northeast winds 20 to 40 mph with gusts 65 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...Through early afternoon, strongest winds occurring this morning. * IMPACTS...Damaging winds could blow down trees and power lines. Power outages are possible. Travel could be difficult, especially for high profile vehicles. Use extra caution on elevated freeway interchanges. * ADDITIONAL DETAILS...Winds decreasing late this afternoon and this evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution if you must drive. && $$ CAZ050-058-282200- /O.NEW.KSGX.WI.Y.0012.210228T1700Z-210301T1100Z/ San Diego County Valleys-San Diego County Mountains- Including the cities of Julian and Pine Valley 228 AM PST Sun Feb 28 2021 ...WIND ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 3 AM PST MONDAY... * WHAT...East winds 20 to 30 mph with gusts to 40 to 50 mph expected. * WHERE...San Diego County Mountains and coastal foothills. * WHEN...From 9 AM this morning to 3 AM PST Monday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Winds slowly decreasing on Monday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit http://weather.gov/sandiego
494 WWUS76 KSGX 282100 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 100 PM PST Sun Feb 28 2021 CAZ056-065-010600- /O.CON.KSGX.HW.W.0006.000000T0000Z-210228T2300Z/ /O.CON.KSGX.WI.Y.0012.210228T2300Z-210301T1100Z/ Riverside County Mountains-San Gorgonio Pass Near Banning- Including the cities of Idyllwild-Pine Cove, Banning, and Desert Hot Springs 100 PM PST Sun Feb 28 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 PM PST THIS AFTERNOON... ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST MONDAY... * WHAT...East winds 25 to 35 mph with gusts to 55 mph, lowering to 15 to 25 mph with gusts 35 to 45 mph this afternoon. * WHERE...Riverside County Mountains and San Gorgonio Pass Near Banning. * WHEN...Through 3 AM Monday. * IMPACTS...Damaging winds will blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ CAZ048-055-057-554-282300- /O.CON.KSGX.HW.W.0006.000000T0000Z-210228T2300Z/ San Bernardino and Riverside County Valleys-The Inland Empire- San Bernardino County Mountains-Santa Ana Mountains and Foothills- Orange County Inland Areas- Including the cities of San Bernardino, Fontana, Rancho Cucamonga, Crestline, Lake Arrowhead, Running Springs, Santa Ana, Orange, and Mission Viejo 100 PM PST Sun Feb 28 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 PM PST THIS AFTERNOON... * WHAT...Northeast winds 20 to 35 mph with gusts to 50 mph. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire, San Bernardino County Mountains, Riverside County Mountains, Santa Ana Mountains and Foothills, San Gorgonio Pass Near Banning and Orange County Inland Areas. * WHEN...Through 3 PM this afternoon. Locally breezy conditions will continue through this evening below the passes and canyons. * IMPACTS...Damaging winds could blow down trees and power lines. Power outages are possible. Travel could be difficult, especially for high profile vehicles. Use extra caution on elevated freeway interchanges. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ CAZ552-282300- /O.CON.KSGX.WI.Y.0012.000000T0000Z-210228T2300Z/ Orange County Coastal Areas- Including the cities of Huntington Beach and Costa Mesa 100 PM PST Sun Feb 28 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS AFTERNOON... * WHAT...Northeast winds 15 to 25 mph with gusts to 35 mph expected. * WHERE...Orange County Coastal Areas. * WHEN...Until 3 PM PST this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs and palm fronds could be blown down. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ050-058-010600- /O.CON.KSGX.WI.Y.0012.000000T0000Z-210301T1100Z/ San Diego County Valleys-San Diego County Mountains- Including the cities of Julian and Pine Valley 100 PM PST Sun Feb 28 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST MONDAY... * WHAT...East winds 20 to 30 mph with gusts to 45 mph expected. Isolated gusts to 50 mph. * WHERE...San Diego County Mountains and coastal foothills. * WHEN...Through to 3 AM PST Monday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit http://weather.gov/sandiego
The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 27, 2:52 AM PST | Wind Advisory | SGX | Orange | 24 hr |
Nearby
High Wind Warnings in California, 2021Every high wind warning 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.