Alert archive / California / Wind Advisories in 2021
Wind Advisory 9, NWS San Diego, CA
NWS San Diego, CA issued this wind advisory at Feb 19, 2021, 1:21 PM PST for 4 counties in California. It took effect at Feb 20, 2021, 6:00 AM PST. It was in force for 33 hr.
The area
The counties it named.
The facts
- Issued
- Feb 19, 2021, 1:21 PM PST (21:21 UTC)
- In effect from
- Feb 20, 2021, 6:00 AM PST
- Expired
- Feb 21, 2021, 3:00 PM PST
- In force
- 33 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 21:26 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, 9.4 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
- 3266 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 61 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
161 WWUS76 KSGX 192121 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 121 PM PST Fri Feb 19 2021 CAZ055-056-058-060-065-200530- /O.NEW.KSGX.WI.Y.0009.210220T1400Z-210221T0200Z/ San Bernardino County Mountains-Riverside County Mountains- San Diego County Mountains-Apple and Lucerne Valleys- San Gorgonio Pass Near Banning- Including the cities of Crestline, Lake Arrowhead, Big Bear City, Big Bear Lake, Running Springs, Wrightwood, Idyllwild-Pine Cove, Julian, Pine Valley, Victorville, Hesperia, Apple Valley, Banning, and Desert Hot Springs 121 PM PST Fri Feb 19 2021 ...WIND ADVISORY IN EFFECT FROM 6 AM TO 6 PM PST SATURDAY... * WHAT...West to northwest winds 20 to 30 mph with gusts to 50 mph expected. * WHERE...San Bernardino County Mountains, Riverside County Mountains, San Diego County Mountains, Apple and Lucerne Valleys and San Gorgonio Pass Near Banning. * WHEN...From 6 AM to 6 PM PST Saturday. * 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. && $$ For more information from the National Weather Service visit http://weather.gov/sandiego
6 follow-up statements
689 WWUS76 KSGX 200518 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 918 PM PST Fri Feb 19 2021 CAZ055-056-058-060-065-201330- /O.CON.KSGX.WI.Y.0009.210220T1400Z-210221T0200Z/ San Bernardino County Mountains-Riverside County Mountains- San Diego County Mountains-Apple and Lucerne Valleys- San Gorgonio Pass Near Banning- Including the cities of Crestline, Lake Arrowhead, Big Bear City, Big Bear Lake, Running Springs, Wrightwood, Idyllwild-Pine Cove, Julian, Pine Valley, Victorville, Hesperia, Apple Valley, Banning, and Desert Hot Springs 918 PM PST Fri Feb 19 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM PST SATURDAY... * WHAT...West to northwest winds 20 to 35 mph with gusts 50 mph to locally 60 mph expected. Strongest near passes and on desert slopes. * WHERE...San Bernardino County Mountains, Riverside County Mountains, San Diego County Mountains, Apple and Lucerne Valleys and San Gorgonio Pass Near Banning. * WHEN...From 6 AM to 6 PM PST Saturday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Blowing dust may reduce visibility at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit http://weather.gov/sandiego
466 WWUS76 KSGX 201228 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 428 AM PST Sat Feb 20 2021 CAZ055-056-058-060-065-202200- /O.CON.KSGX.WI.Y.0009.210220T1400Z-210221T0200Z/ San Bernardino County Mountains-Riverside County Mountains- San Diego County Mountains-Apple and Lucerne Valleys- San Gorgonio Pass Near Banning- Including the cities of Crestline, Lake Arrowhead, Big Bear City, Big Bear Lake, Running Springs, Wrightwood, Idyllwild-Pine Cove, Julian, Pine Valley, Victorville, Hesperia, Apple Valley, Banning, and Desert Hot Springs 428 AM PST Sat Feb 20 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING... * WHAT...West to northwest winds of 20 to 30 mph, with gusts of 50 to 55 mph. The strongest winds will be near passes and along the desert slopes. * WHERE...San Bernardino County Mountains, Riverside County Mountains, San Diego County Mountains, Apple and Lucerne Valleys and San Gorgonio Pass Near Banning. * WHEN...From 6 AM to 6 PM PST today. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Blowing sand and dust may reduce visibility at times in the deserts. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ jmb For more information from the National Weather Service visit http://weather.gov/sandiego
990 WWUS76 KSGX 202108 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 108 PM PST Sat Feb 20 2021 CAZ048-050-057-554-210230- /O.EXB.KSGX.WI.Y.0009.210221T0200Z-210221T2300Z/ San Bernardino and Riverside County Valleys-The Inland Empire- San Diego County Valleys-Santa Ana Mountains and Foothills- Orange County Inland Areas- Including the cities of Riverside, San Bernardino, Ontario, Moreno Valley, Fontana, Rancho Cucamonga, Corona, Escondido, El Cajon, San Marcos, La Mesa, Santee, Poway, Santa Ana, Anaheim, Garden Grove, Orange, Fullerton, and Mission Viejo 108 PM PST Sat Feb 20 2021 ...WIND ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 3 PM PST SUNDAY... * WHAT...Northeast winds 20 to 30 mph, with gusts up to 50 mph. Strongest winds will be below the passes and near the foothills of the mountains. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire, San Diego County Valleys, Santa Ana Mountains and Foothills and Orange County Inland Areas. * WHEN...From 6 PM this evening to 3 PM PST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ055-056-058-065-210230- /O.EXT.KSGX.WI.Y.0009.000000T0000Z-210221T2300Z/ San Bernardino County Mountains-Riverside County Mountains- San Diego County Mountains-San Gorgonio Pass Near Banning- Including the cities of Crestline, Lake Arrowhead, Big Bear City, Big Bear Lake, Running Springs, Wrightwood, Idyllwild-Pine Cove, Julian, Pine Valley, Banning, and Desert Hot Springs 108 PM PST Sat Feb 20 2021 ...WIND ADVISORY NOW IN EFFECT UNTIL 3 PM PST SUNDAY... * WHAT...West to northwest winds 20 to 30 mph, with gusts up to 55 mph expected through this afternoon. Winds becoming northeast 20 to 30 mph with gusts up to 50 mph late this evening through Sunday afternoon. * WHERE...San Bernardino County Mountains, Riverside County Mountains, San Diego County Mountains, and San Gorgonio Pass Near Banning. * WHEN...Until 3 PM PST Sunday. * 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. && $$ CAZ060-210200- /O.CON.KSGX.WI.Y.0009.000000T0000Z-210221T0200Z/ Apple and Lucerne Valleys- Including the cities of Victorville, Hesperia, and Apple Valley 108 PM PST Sat Feb 20 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING... * WHAT...West to northwest winds 20 to 30 mph, with gusts up to 55 mph. Blowing dust and sand is possible. * WHERE...Apple and Lucerne Valleys * WHEN...Until 6 PM PST today. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Connolly For more information from the National Weather Service visit http://weather.gov/sandiego
819 WWUS76 KSGX 210120 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 520 PM PST Sat Feb 20 2021 CAZ055-056-058-065-211330- /O.CAN.KSGX.WI.Y.0009.000000T0000Z-210221T2300Z/ /O.NEW.KSGX.WI.Y.0010.210221T0200Z-210221T2300Z/ San Bernardino County Mountains-Riverside County Mountains- San Diego County Mountains-San Gorgonio Pass Near Banning- Including the cities of Crestline, Lake Arrowhead, Big Bear City, Big Bear Lake, Running Springs, Wrightwood, Idyllwild-Pine Cove, Julian, Pine Valley, Banning, and Desert Hot Springs 520 PM PST Sat Feb 20 2021 ...WIND ADVISORY IN EFFECT UNTIL 3 PM PST SUNDAY... * WHAT...Northeast winds 15 to 25 mph with gusts to 45 mph expected. * WHERE...San Bernardino County Mountains, Riverside County Mountains, San Diego County Mountains and San Gorgonio Pass Near Banning. * WHEN...Until 3 PM PST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Gusty westerly winds will decrease and become east to northeast this evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ060-210230- /O.CAN.KSGX.WI.Y.0009.000000T0000Z-210221T0200Z/ Apple and Lucerne Valleys- 520 PM PST Sat Feb 20 2021 ...WIND ADVISORY IS CANCELLED... winds have decreased below Advisory levels. $$ CAZ048-050-057-554-211330- /O.CON.KSGX.WI.Y.0009.210221T0200Z-210221T2300Z/ San Bernardino and Riverside County Valleys-The Inland Empire- San Diego County Valleys-Santa Ana Mountains and Foothills- Orange County Inland Areas- Including the cities of Riverside, San Bernardino, Ontario, Moreno Valley, Fontana, Rancho Cucamonga, Corona, Escondido, El Cajon, San Marcos, La Mesa, Santee, Poway, Santa Ana, Anaheim, Garden Grove, Orange, Fullerton, and Mission Viejo 520 PM PST Sat Feb 20 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST SUNDAY... * WHAT...Northeast winds 20 to 30 mph, with gusts up to 50 mph. Strongest winds will be below the passes and near the foothills of the mountains. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire, San Diego County Valleys, Santa Ana Mountains and Foothills and Orange County Inland Areas. * WHEN...From 6 PM this evening to 3 PM PST Sunday. * 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. && $$ For more information from the National Weather Service visit http://weather.gov/sandiego
252 WWUS76 KSGX 211335 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 535 AM PST Sun Feb 21 2021 CAZ048-050-057-554-212200- /O.CON.KSGX.WI.Y.0009.000000T0000Z-210221T2300Z/ San Bernardino and Riverside County Valleys-The Inland Empire- San Diego County Valleys-Santa Ana Mountains and Foothills- Orange County Inland Areas- Including the cities of Riverside, San Bernardino, Ontario, Moreno Valley, Fontana, Rancho Cucamonga, Corona, Escondido, El Cajon, San Marcos, La Mesa, Santee, Poway, Santa Ana, Anaheim, Garden Grove, Orange, Fullerton, and Mission Viejo 535 AM PST Sun Feb 21 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS AFTERNOON... * WHAT...Northeast winds 20 to 30 mph, with gusts up to 50 mph. Strongest winds will be below the passes and near the foothills of the mountains. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire, San Diego County Valleys, Santa Ana Mountains and Foothills and Orange County Inland Areas. * WHEN...From 6 PM this evening to 3 PM PST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ055-056-058-065-212200- /O.CON.KSGX.WI.Y.0010.000000T0000Z-210221T2300Z/ San Bernardino County Mountains-Riverside County Mountains- San Diego County Mountains-San Gorgonio Pass Near Banning- Including the cities of Crestline, Lake Arrowhead, Big Bear City, Big Bear Lake, Running Springs, Wrightwood, Idyllwild-Pine Cove, Julian, Pine Valley, Banning, and Desert Hot Springs 535 AM PST Sun Feb 21 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS AFTERNOON... * WHAT...Northeast winds 15 to 25 mph with gusts to 45 mph expected. * WHERE...San Bernardino County Mountains, Riverside County Mountains, San Diego County Mountains and San Gorgonio Pass Near Banning. * WHEN...Until 3 PM PST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Gusty westerly winds will decrease and become east to northeast this evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ jmb For more information from the National Weather Service visit http://weather.gov/sandiego
766 WWUS76 KSGX 211447 NPWSGX URGENT - WEATHER MESSAGE National Weather Service SAN DIEGO CA 647 AM PST Sun Feb 21 2021 CAZ048-050-057-554-212300- /O.CON.KSGX.WI.Y.0009.000000T0000Z-210221T2300Z/ San Bernardino and Riverside County Valleys-The Inland Empire- San Diego County Valleys-Santa Ana Mountains and Foothills- Orange County Inland Areas- Including the cities of Riverside, San Bernardino, Ontario, Moreno Valley, Fontana, Rancho Cucamonga, Corona, Escondido, El Cajon, San Marcos, La Mesa, Santee, Poway, Santa Ana, Anaheim, Garden Grove, Orange, Fullerton, and Mission Viejo 647 AM PST Sun Feb 21 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS AFTERNOON... * WHAT...Northeast winds 20 to 30 mph, with gusts up to 50 mph. Strongest winds will be below the passes and near the foothills of the mountains. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire, San Diego County Valleys, Santa Ana Mountains and Foothills and Orange County Inland Areas. * WHEN...From 6 PM this evening to 3 PM PST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ055-056-058-065-212300- /O.CON.KSGX.WI.Y.0010.000000T0000Z-210221T2300Z/ San Bernardino County Mountains-Riverside County Mountains- San Diego County Mountains-San Gorgonio Pass Near Banning- Including the cities of Crestline, Lake Arrowhead, Big Bear City, Big Bear Lake, Running Springs, Wrightwood, Idyllwild-Pine Cove, Julian, Pine Valley, Banning, and Desert Hot Springs 647 AM PST Sun Feb 21 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS AFTERNOON... * WHAT...Northeast winds 20 to 30 mph with gusts to 60 mph expected. * WHERE...San Bernardino County Mountains, Riverside County Mountains, San Diego County Mountains and San Gorgonio Pass Near Banning. * WHEN...Until 3 PM PST Sunday. * 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 19, 2:17 AM PST | Small Craft Advisory | SGX | 43 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.