Alert archive / California / Wind Advisories in 2021
Wind Advisory 41, NWS San Diego, CA
NWS San Diego, CA issued this wind advisory at Dec 23, 2021, 2:57 AM PST for Riverside County, San Bernardino County, San Diego County, California. It took effect at Dec 24, 2021, 6:00 AM PST. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Dec 23, 2021, 2:57 AM PST (10:57 UTC)
- In effect from
- Dec 24, 2021, 6:00 AM PST
- Expired
- Dec 24, 2021, 6:00 PM PST
- In force
- 12 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 10:56 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2996 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 86 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
934 WWUS76 KSGX 231057 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 257 AM PST Thu Dec 23 2021 CAZ055-056-058-232230- /O.NEW.KSGX.WI.Y.0041.211224T1400Z-211225T0200Z/ San Bernardino County Mountains-Riverside County Mountains- San Diego County Mountains- Including the cities of Big Bear City, Idyllwild-Pine Cove, Julian, and Pine Valley 257 AM PST Thu Dec 23 2021 ...WIND ADVISORY IN EFFECT FROM 6 AM TO 6 PM PST FRIDAY... * WHAT...Southwest winds 25 to 35 mph with gusts to 60 mph expected. * WHERE...The desert slopes of the San Bernardino County Mountains, Riverside County Mountains and San Diego County Mountains. * WHEN...From 6 AM to 6 PM PST Friday. * 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. && $$ For more information from the National Weather Service visit http://weather.gov/sandiego 17
4 follow-up statements
444 WWUS76 KSGX 232150 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 150 PM PST Thu Dec 23 2021 CAZ055-056-058-240600- /O.CON.KSGX.WI.Y.0041.211224T1400Z-211225T0200Z/ San Bernardino County Mountains-Riverside County Mountains- San Diego County Mountains- Including the cities of Big Bear City, Idyllwild-Pine Cove, Julian, and Pine Valley 150 PM PST Thu Dec 23 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM PST FRIDAY... * WHAT...Southwest winds 25 to 35 mph with gusts to 60 mph expected. * WHERE...The desert slopes of the San Bernardino County Mountains, Riverside County Mountains and San Diego County Mountains. * WHEN...From 6 AM to 6 PM PST Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit http://weather.gov/sandiego
099 WWUS76 KSGX 241120 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 320 AM PST Fri Dec 24 2021 CAZ055-056-058-242300- /O.CON.KSGX.WI.Y.0041.211224T1400Z-211225T0200Z/ San Bernardino County Mountains-Riverside County Mountains- San Diego County Mountains- Including the cities of Big Bear City, Idyllwild-Pine Cove, Julian, and Pine Valley 320 AM PST Fri Dec 24 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 6 PM PST THIS EVENING... * WHAT...West winds 20 to 30 mph with gusts to 55 mph expected. * WHERE...Desert slopes of the San Diego County Mountains, Riverside County Mountains and San Bernardino County Mountains. * WHEN...From 6 AM this morning to 6 PM PST this evening. * 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. && $$ For more information from the National Weather Service visit http://weather.gov/sandiego 17
134 WWUS76 KSGX 242134 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 134 PM PST Fri Dec 24 2021 CAZ055-056-058-250200- /O.CON.KSGX.WI.Y.0041.000000T0000Z-211225T0200Z/ San Bernardino County Mountains-Riverside County Mountains- San Diego County Mountains- Including the cities of Big Bear City, Idyllwild-Pine Cove, Julian, and Pine Valley 134 PM PST Fri Dec 24 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING... * WHAT...West winds 20 to 30 mph with gusts to 55 mph expected. * WHERE...Desert slopes of the San Diego County Mountains, Riverside County Mountains and San Bernardino County Mountains. * WHEN...Through 6 PM PST this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Maxwell
877 WWUS76 KSGX 250208 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 608 PM PST Fri Dec 24 2021 CAZ055-056-058-250315- /O.EXP.KSGX.WI.Y.0041.000000T0000Z-211225T0200Z/ San Bernardino County Mountains-Riverside County Mountains- San Diego County Mountains- Including the cities of Big Bear City, Idyllwild-Pine Cove, Julian, and Pine Valley 608 PM PST Fri Dec 24 2021 ...WIND ADVISORY HAS EXPIRED... Winds have decreased this evening. $$ 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 |
|---|---|---|---|---|
| Dec 23, 3:01 AM PST | Winter Weather Advisory | SGX | Riverside, San Bernardino | 19 hr |
| Dec 23, 4:34 AM PST | Small Craft Advisory | SGX | 35 hr | |
| Dec 23, 3:33 PM PST | Areal Flood Advisory | SGX | Riverside, San Bernardino | 3 hr |
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.