Alert archive / California / Wind Advisories in 2021
Wind Advisory 8, NWS San Diego, CA
NWS San Diego, CA issued this wind advisory at Feb 17, 2021, 11:57 AM PST for 4 counties in California. It took effect at Feb 17, 2021, 10:00 PM PST. It was in force for 16 hr.
The area
The counties it named.
The facts
- Issued
- Feb 17, 2021, 11:57 AM PST (19:57 UTC)
- In effect from
- Feb 17, 2021, 10:00 PM PST
- Expired
- Feb 18, 2021, 2:00 PM PST
- In force
- 16 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 19:54 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, 8.0 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
- 777 m above ground
- 0-6 km bulk shear
- 100 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 94 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
156 WWUS76 KSGX 171957 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 1157 AM PST Wed Feb 17 2021 CAZ048-050-055-056-058-554-180400- /O.NEW.KSGX.WI.Y.0008.210218T0600Z-210218T2200Z/ San Bernardino and Riverside County Valleys-The Inland Empire- San Diego County Valleys-San Bernardino County Mountains- Riverside County Mountains-San Diego County Mountains- Orange County Inland Areas- Including the cities of San Bernardino, Fontana, Rancho Cucamonga, Running Springs, Anaheim, and Orange 1157 AM PST Wed Feb 17 2021 ...WIND ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 2 PM PST THURSDAY... * WHAT...North to northeast winds with gusts 25 to 30 mph, locally 35 mph in wind prone locations. * WHERE...Foothills of the San Bernardino, Riverside, San Diego, and Santa Ana mountains, portions of the Inland Empire especially under the Cajon Pass and San Gorgonio Pass, along I-8 in San Diego County, and Orange County Inland Areas. * WHEN...From 10 PM this evening to 2 PM PST Thursday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Hazardous driving conditions for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CO For more information from the National Weather Service visit http://weather.gov/sandiego
2 follow-up statements
238 WWUS76 KSGX 180410 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 810 PM PST Wed Feb 17 2021 CAZ048-050-055-056-058-554-181400- /O.CON.KSGX.WI.Y.0008.210218T0600Z-210218T2200Z/ San Bernardino and Riverside County Valleys-The Inland Empire- San Diego County Valleys-San Bernardino County Mountains- Riverside County Mountains-San Diego County Mountains- Orange County Inland Areas- Including the cities of San Bernardino, Fontana, Rancho Cucamonga, Running Springs, Anaheim, and Orange 810 PM PST Wed Feb 17 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM PST THURSDAY... * WHAT...North to northeast winds with gusts 25 to 30 mph, locally 35 mph in wind prone locations. * WHERE...Foothills of the San Bernardino, Riverside, San Diego, and Santa Ana mountains, portions of the Inland Empire especially under the Cajon Pass and San Gorgonio Pass, along I- 8 in San Diego County, and Orange County Inland Areas. * WHEN...From 10 PM this evening to 2 PM PST Thursday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Hazardous driving conditions for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit http://weather.gov/sandiego
022 WWUS76 KSGX 181007 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 207 AM PST Thu Feb 18 2021 CAZ057-182200- /O.EXA.KSGX.WI.Y.0008.000000T0000Z-210218T2200Z/ Santa Ana Mountains and Foothills- 207 AM PST Thu Feb 18 2021 ...WIND ADVISORY IN EFFECT UNTIL 2 PM PST THIS AFTERNOON... * WHAT...North winds 15 to 25 mph with gusts to 45 mph. * WHERE...Santa Ana Mountains and Foothills. * WHEN...Until 2 PM PST this afternoon. * 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. && $$ CAZ048-050-055-056-058-554-182200- /O.CON.KSGX.WI.Y.0008.000000T0000Z-210218T2200Z/ San Bernardino and Riverside County Valleys-The Inland Empire- San Diego County Valleys-San Bernardino County Mountains- Riverside County Mountains-San Diego County Mountains- Orange County Inland Areas- Including the cities of Fontana, Crestline, Running Springs, Julian, and Pine Valley 207 AM PST Thu Feb 18 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM PST THIS AFTERNOON... * WHAT...Northeast winds 15 to 25 mph with gusts to 40 mph. Isolated gusts to 50 mph. * WHERE...Orange County Inland Areas, San Diego County Valleys, Riverside County Mountains, San Bernardino County Mountains, San Diego County Mountains and San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...Until 2 PM PST this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit http://weather.gov/sandiego 17
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.