Alert archive / California / Wind Advisories in 2021
Wind Advisory 3, NWS Eureka, CA
NWS Eureka, CA issued this wind advisory at Jan 11, 2021, 5:42 AM PST for Del Norte County, Humboldt County, California. It took effect at Jan 12, 2021, 1:00 AM PST. It was in force for 20 hr.
The area
The counties it named.
The facts
- Issued
- Jan 11, 2021, 5:42 AM PST (13:42 UTC)
- In effect from
- Jan 12, 2021, 1:00 AM PST
- Expired
- Jan 12, 2021, 9:00 PM PST
- In force
- 20 hr
- Issued by
- NWS Eureka, CA
Counties Del Norte County, CA, Humboldt County, CA
The radar
The Eureka (Bunker Hill) radar (KBHX), 86 km from the middle of the area, began a volume at 13:45 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
Medford/Jackson, OR (KMFR), launched 12:00Z, 1.7 hours before the alert went out and 158 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
- 685 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 200 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
438 WWUS76 KEKA 111342 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 542 AM PST Mon Jan 11 2021 CAZ101-112145- /O.NEW.KEKA.WI.Y.0003.210112T0900Z-210113T0200Z/ Coastal Del Norte- 542 AM PST Mon Jan 11 2021 ...WIND ADVISORY IN EFFECT FROM 1 AM TO 6 PM PST TUESDAY... * WHAT...South winds 20 to 30 mph with occasional gusts 40 to 50 mph expected. * WHERE...Coastal Del Norte County. * WHEN...From 1 AM to 6 PM PST Tuesday. * 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. && $$ CAZ102-104>106-112145- /O.NEW.KEKA.WI.Y.0003.210112T0900Z-210113T0200Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 542 AM PST Mon Jan 11 2021 ...WIND ADVISORY IN EFFECT FROM 1 AM TO 6 PM PST TUESDAY ABOVE 1500 FEET... * WHAT...South winds 20 to 30 mph with gusts up to 55 mph expected over exposed locations above 1500 feet. Some isolated gusts to 65 mph are possible over exposed mountain ridgetops. * WHERE...Exposed higher terrain and ridges across the Del Norte Interior, Southwestern Humboldt, Northern Humboldt Interior and Southern Humboldt Interior Counties. * WHEN...From 1 AM to 6 PM PST Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
3 follow-up statements
759 WWUS76 KEKA 112140 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 140 PM PST Mon Jan 11 2021 CAZ101-120945- /O.CON.KEKA.WI.Y.0003.210112T0900Z-210113T0200Z/ Coastal Del Norte- 140 PM PST Mon Jan 11 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 1 AM TO 6 PM TUESDAY... * WHAT...South winds 20 to 30 mph with occasional gusts to 40 to 50 mph expected. * WHERE...Coastal Del Norte County. * WHEN...From 1 AM to 6 PM Tuesday. * 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. $$ CAZ102-104>106-120945- /O.CON.KEKA.WI.Y.0003.210112T0900Z-210113T0200Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 140 PM PST Mon Jan 11 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 1 AM TO 6 PM TUESDAY ABOVE 1500 FEET... * WHAT...South winds 20 to 30 mph with gusts to 55 mph expected over exposed locations above 1500 feet. Some isolated gusts to 65 mph are possible over exposed mountain ridgetops. * WHERE...Exposed higher terrain and ridges across the Del Norte Interior, Southwestern Humboldt, Northern Humboldt Interior and Southern Humboldt Interior Counties. * WHEN...From 1 AM to 6 PM Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. $$
641 WWUS76 KEKA 120949 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 149 AM PST Tue Jan 12 2021 CAZ101-122300- /O.CON.KEKA.WI.Y.0003.000000T0000Z-210113T0200Z/ Coastal Del Norte- 149 AM PST Tue Jan 12 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING... * WHAT...South winds 20 to 30 mph with occasional gusts to 40 to 50 mph expected. * WHERE...Coastal Del Norte County. * WHEN...Until 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. && $$ CAZ102-104>106-122300- /O.CON.KEKA.WI.Y.0003.000000T0000Z-210113T0200Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 149 AM PST Tue Jan 12 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING ABOVE 1500 FEET... * WHAT...South winds 20 to 30 mph with gusts to 55 mph expected over exposed locations above 1500 feet. Some isolated gusts to 65 mph are possible over exposed mountain ridgetops. * WHERE...Exposed higher terrain and ridges across the Del Norte Interior, Southwestern Humboldt, Northern Humboldt Interior and Southern Humboldt Interior. * WHEN...Until 6 PM PST this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
003 WWUS76 KEKA 122206 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 206 PM PST Tue Jan 12 2021 CAZ101-130500- /O.EXT.KEKA.WI.Y.0003.000000T0000Z-210113T0500Z/ Coastal Del Norte- 206 PM PST Tue Jan 12 2021 ...WIND ADVISORY NOW IN EFFECT UNTIL 9 PM THIS EVENING... * WHAT...South winds 20 to 30 mph with occasional gusts to 45 mph expected. * WHERE...Coastal Del Norte County. * WHEN...Until 9 PM 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. $$ CAZ102-104>106-130500- /O.EXT.KEKA.WI.Y.0003.000000T0000Z-210113T0500Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 206 PM PST Tue Jan 12 2021 ...WIND ADVISORY NOW IN EFFECT UNTIL 9 PM THIS EVENING ABOVE 1500 FEET... * WHAT...South winds 20 to 30 mph with gusts to 55 mph expected over exposed locations above 1500 feet. Some isolated gusts to 65 mph are possible over exposed mountain ridgetops. * WHERE...Exposed higher terrain and ridges across the Del Norte Interior, Southwestern Humboldt, Northern Humboldt Interior and Southern Humboldt Interior. * WHEN...Until 9 PM this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 10, 8:53 PM PST | Small Craft Advisory | EKA | 36 hr | |
| Jan 11, 2:03 AM PST | Gale Warning | EKA | 49 hr | |
| Jan 11, 2:03 AM PST | Hazardous Seas Watch | EKA | 12 hr | |
| Jan 11, 1:24 PM PST | Flood Watch | EKA | Del Norte | 43 hr |
| Jan 11, 2:17 PM PST | Coastal Flood Advisory | EKA | Del Norte, Humboldt | 22 hr |
| Jan 11, 2:17 PM PST | High Surf Advisory | EKA | Del Norte, Humboldt, Mendocino | 40 hr |
| Jan 11, 2:19 PM PST | Hazardous Seas Warning | EKA | 37 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.