Alert archive / California / Wind Advisories in 2021
Wind Advisory 19, NWS San Diego, CA
NWS San Diego, CA issued this wind advisory at Mar 23, 2021, 12:15 PM PDT for 4 counties in California. It took effect at Mar 23, 2021, 7:00 PM PDT. It was in force for 17 hr.
The area
The counties it named.
The facts
- Issued
- Mar 23, 2021, 12:15 PM PDT (19:15 UTC)
- In effect from
- Mar 23, 2021, 7:00 PM PDT
- Expired
- Mar 24, 2021, 12:00 PM PDT
- In force
- 17 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 19:17 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, 7.3 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
- 1 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 560 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 187 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
678 WWUS76 KSGX 231915 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 1215 PM PDT Tue Mar 23 2021 CAZ048-055-057-554-240315- /O.NEW.KSGX.WI.Y.0019.210324T0200Z-210324T2100Z/ 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 Fontana, Rancho Cucamonga, Crestline, Running Springs, and Mission Viejo 1215 PM PDT Tue Mar 23 2021 ...WIND ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 2 PM PDT WEDNESDAY... * WHAT...North winds 20 to 25 mph. Gusts 55 mph in the foothills and coastal slopes of the Santa Ana mountains and gusts to 65 mph, isolated gusts to 70 mph, on the coastal slopes of the San Bernardino mountains expected. * WHERE...Portions of San Bernardino and Riverside County Valleys- The Inland Empire, San Bernardino County Mountains, Santa Ana Mountains and Foothills and portions of Orange County Inland Areas. * WHEN...From 7 PM this evening to 2 PM PDT Wednesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Strongest winds will be below the Cajon Pass. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CO For more information from the National Weather Service visit http://weather.gov/sandiego
3 follow-up statements
571 WWUS76 KSGX 240443 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 943 PM PDT Tue Mar 23 2021 CAZ048-055-057-554-241300- /O.CON.KSGX.WI.Y.0019.000000T0000Z-210324T2100Z/ San Bernardino and Riverside County Valleys-The Inland Empire- San Bernardino County Mountains-Santa Ana Mountains and Foothills- Orange County Inland Areas- Including the cities of Fontana, Rancho Cucamonga, Crestline, Running Springs, and Mission Viejo 943 PM PDT Tue Mar 23 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM PDT WEDNESDAY... * WHAT...North winds 20 to 25 mph. Gusts 55 mph in the foothills and coastal slopes of the Santa Ana mountains and gusts to 65 mph, isolated gusts to 70 mph, on the coastal slopes of the San Bernardino mountains expected. * WHERE...Portions of San Bernardino and Riverside County Valleys- The Inland Empire, San Bernardino County Mountains, Santa Ana Mountains and Foothills and portions of Orange County Inland Areas. * WHEN...From 7 PM this evening to 2 PM PDT Wednesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Strongest winds will be below the Cajon Pass. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit http://weather.gov/sandiego
275 WWUS76 KSGX 240935 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 235 AM PDT Wed Mar 24 2021 CAZ048-055-057-554-241745- /O.EXT.KSGX.WI.Y.0019.000000T0000Z-210324T1900Z/ 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, Running Springs, and Mission Viejo 235 AM PDT Wed Mar 24 2021 ...WIND ADVISORY NOW IN EFFECT UNTIL NOON PDT TODAY... * WHAT...Northeast winds 20 to 30 mph with gusts to 55 mph. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire, Santa Ana Mountains and Foothills, San Bernardino County Mountains and Orange County Inland Areas. * WHEN...Until noon PDT today. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Winds strongest after sunrise, subsiding in the afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit http://weather.gov/sandiego 17
032 WWUS76 KSGX 241854 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 1154 AM PDT Wed Mar 24 2021 CAZ048-055-057-554-242000- /O.EXP.KSGX.WI.Y.0019.000000T0000Z-210324T1900Z/ San Bernardino and Riverside County Valleys-The Inland Empire- San Bernardino County Mountains-Santa Ana Mountains and Foothills- Orange County Inland Areas- Including the cities of San Bernardino, Fontana, Rancho Cucamonga, Crestline, Running Springs, and Mission Viejo 1154 AM PDT Wed Mar 24 2021 ...WIND ADVISORY WILL EXPIRE AT NOON TODAY... Santa Ana winds will gradually decrease this afternoon. A peak gust of 57 mph was recorded at Fremont Canyon at 10 AM, and the Ontario Airport recorded a gust to 53 mph at 5 AM. $$ Moede
The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 23, 4:32 PM PDT | Severe Thunderstorm Warning | SGX | Riverside | 40 min |
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.