Alert archive / California / Wind Advisories in 2021
Wind Advisory 17, NWS San Diego, CA
NWS San Diego, CA issued this wind advisory at Mar 16, 2021, 3:57 AM PDT for Riverside County, San Bernardino County, San Diego County, California. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Mar 16, 2021, 3:57 AM PDT (10:57 UTC)
- Expired
- Mar 16, 2021, 8:17 AM PDT
- In force
- 4 hr
- Issued by
- NWS San Diego, CA
Counties Riverside County, CA, San Bernardino County, CA, San Diego County, CA
The radar
The Santa Ana Mts radar (KSOX), 122 km from the middle of the area, began a volume at 10:58 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 145 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
- 2 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 1105 m above ground
- 0-6 km bulk shear
- 80 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 323 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
983 WWUS76 KSGX 161057 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 357 AM PDT Tue Mar 16 2021 CAZ055-056-058-060-062-065-161600- /O.NEW.KSGX.WI.Y.0017.210316T1057Z-210316T1600Z/ San Bernardino County Mountains-Riverside County Mountains- San Diego County Mountains-Apple and Lucerne Valleys- San Diego County Deserts-San Gorgonio Pass Near Banning- Including the cities of Julian, Borrego Springs, and Desert Hot Springs 357 AM PDT Tue Mar 16 2021 ...WIND ADVISORY IN EFFECT UNTIL 9 AM PDT THIS MORNING... * WHAT...West winds 20 to 30 mph with gusts to 55 mph. * WHERE...Mostly along the east slopes of the mountains into the adjacent desert areas. * WHEN...Until 9 AM PDT this morning. * 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 gradually diminish through the morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ048-050-161600- /O.CON.KSGX.FR.Y.0002.000000T0000Z-210316T1600Z/ San Bernardino and Riverside County Valleys-The Inland Empire- San Diego County Valleys- Including the cities of Moreno Valley and Rancho Cucamonga 357 AM PDT Tue Mar 16 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT THIS MORNING... * WHAT...Temperatures will fall into the lower to mid 30s for a few hours around sunrise, resulting in frost formation. * WHERE...Inland San Diego County valleys near the foothills and portions of the Inland Empire. * WHEN...Until 9 AM PDT this morning. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For more information from the National Weather Service visit http://weather.gov/sandiego 17
1 follow-up statement
818 WWUS76 KSGX 161517 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 817 AM PDT Tue Mar 16 2021 CAZ048-050-161630- /O.CAN.KSGX.FR.Y.0002.000000T0000Z-210316T1600Z/ San Bernardino and Riverside County Valleys-The Inland Empire- San Diego County Valleys- 817 AM PDT Tue Mar 16 2021 ...FROST ADVISORY IS CANCELLED... $$ CAZ055-056-058-060-062-065-161630- /O.CAN.KSGX.WI.Y.0017.000000T0000Z-210316T1600Z/ San Bernardino County Mountains-Riverside County Mountains- San Diego County Mountains-Apple and Lucerne Valleys- San Diego County Deserts-San Gorgonio Pass Near Banning- 817 AM PDT Tue Mar 16 2021 ...WIND ADVISORY IS CANCELLED... Winds have fallen below Advisory criteria most areas and will continue to decrease this morning. $$ For more information from the National Weather Service visit http://weather.gov/sandiego
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.