Alert archive / California / Wind Advisories in 2021
Wind Advisory 14, NWS Eureka, CA
NWS Eureka, CA issued this wind advisory at Oct 22, 2021, 3:02 PM PDT for Del Norte County, Humboldt County, Mendocino County, California. It took effect at Oct 23, 2021, 11:00 PM PDT. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Oct 22, 2021, 3:02 PM PDT (22:02 UTC)
- In effect from
- Oct 23, 2021, 11:00 PM PDT
- Expired
- Oct 24, 2021, 2:00 PM PDT
- In force
- 15 hr
- Issued by
- NWS Eureka, CA
Counties Del Norte County, CA, Humboldt County, CA, Mendocino County, CA
The radar
The Eureka (Bunker Hill) radar (KBHX), 47 km from the middle of the area, began a volume at 22:01 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, 10.0 hours before the alert went out and 210 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
- 652 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 101 m²/s²
- 0-3 km storm-relative helicity
- 64 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
210 WWUS76 KEKA 222202 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 302 PM PDT Fri Oct 22 2021 CAZ101-102-104>106-110-112-113-230615- /O.NEW.KEKA.WI.Y.0014.211024T0600Z-211024T1800Z/ Coastal Del Norte-Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- Northwestern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 302 PM PDT Fri Oct 22 2021 ...WIND ADVISORY IN EFFECT FROM 11 PM SATURDAY TO 11 AM PDT SUNDAY... * WHAT...South winds 15 to 25 mph with gusts up to 55 mph expected. * WHERE...Coastal Del Norte, Del Norte Interior, Southwestern Humboldt, Northern Humboldt Interior, Southern Humboldt Interior, Northwestern Mendocino Interior, Southwestern Mendocino Interior and Southeastern Mendocino Interior Counties. * WHEN...From 11 PM Saturday to 11 AM PDT 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. && $$
7 follow-up statements
510 WWUS76 KEKA 230407 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 907 PM PDT Fri Oct 22 2021 CAZ102-104>106-231200- /O.EXT.KEKA.WI.Y.0014.211024T0600Z-211024T2100Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 907 PM PDT Fri Oct 22 2021 ...WIND ADVISORY NOW IN EFFECT FROM 11 PM SATURDAY TO 2 PM PDT SUNDAY ABOVE 2000 FEET... * WHAT...South winds 20 to 30 mph with gusts up to 50 mph expected above 2000 feet. * WHERE...Del Norte Interior, Northern Humboldt Interior, Southwestern Humboldt and Southern Humboldt Interior Counties. * WHEN...From 11 PM Saturday to 2 PM PDT Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ110-112-113-231200- /O.EXT.KEKA.WI.Y.0014.211024T0900Z-211024T2100Z/ Northwestern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 907 PM PDT Fri Oct 22 2021 ...WIND ADVISORY NOW IN EFFECT FROM 2 AM TO 2 PM PDT SUNDAY ABOVE 2000 FEET... * WHAT...South winds 20 to 30 mph with gusts up to 50 mph expected above 2000 feet. * WHERE...Southeastern Mendocino Interior, Northwestern Mendocino Interior and Southwestern Mendocino Interior Counties. * WHEN...From 2 AM to 2 PM PDT 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. && $$ CAZ101-231200- /O.CON.KEKA.WI.Y.0014.211024T0600Z-211024T1800Z/ Coastal Del Norte- 907 PM PDT Fri Oct 22 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 11 PM SATURDAY TO 11 AM PDT SUNDAY... * WHAT...South winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Coastal Del Norte County. * WHEN...From 11 PM Saturday to 11 AM PDT Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
585 WWUS76 KEKA 231202 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 502 AM PDT Sat Oct 23 2021 CAZ101-232200- /O.CON.KEKA.WI.Y.0014.211024T0600Z-211024T1800Z/ Coastal Del Norte- 502 AM PDT Sat Oct 23 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 11 AM SUNDAY... * WHAT...South winds 20 to 30 mph with gusts to 45 mph expected. * WHERE...Coastal Del Norte County. * WHEN...From 11 PM Saturday to 11 AM 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. $$ CAZ102-104>106-232200- /O.CON.KEKA.WI.Y.0014.211024T0600Z-211024T2100Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 502 AM PDT Sat Oct 23 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 2 PM SUNDAY ABOVE 2000 FEET... * WHAT...South winds 20 to 30 mph with gusts to 50 mph expected above 2000 feet. * WHERE...Del Norte Interior, Northern Humboldt Interior, Southwestern Humboldt and Southern Humboldt Interior Counties. * WHEN...From 11 PM Saturday to 2 PM Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. $$ CAZ110-112-113-232200- /O.CON.KEKA.WI.Y.0014.211024T0900Z-211024T2100Z/ Northwestern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 502 AM PDT Sat Oct 23 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 2 AM TO 2 PM SUNDAY ABOVE 2000 FEET... * WHAT...South winds 20 to 30 mph with gusts to 50 mph expected above 2000 feet. * WHERE...Southeastern Mendocino Interior, Northwestern Mendocino Interior and Southwestern Mendocino Interior Counties. * WHEN...From 2 AM to 2 PM 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. $$
781 WWUS76 KEKA 232151 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 251 PM PDT Sat Oct 23 2021 CAZ102-104>106-240600- /O.EXT.KEKA.WI.Y.0014.211024T0600Z-211024T1600Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 251 PM PDT Sat Oct 23 2021 ...WIND ADVISORY NOW IN EFFECT FROM 11 PM THIS EVENING TO 9 AM PDT SUNDAY ABOVE 2000 FEET... * WHAT...South winds 20 to 30 mph with gusts up to 55 mph expected above 2000 feet. * WHERE...Del Norte Interior, Northern Humboldt Interior, Southwestern Humboldt and Southern Humboldt Interior Counties. * WHEN...From 11 PM this evening to 9 AM PDT Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ101-240600- /O.CON.KEKA.WI.Y.0014.211024T0600Z-211024T1800Z/ Coastal Del Norte- 251 PM PDT Sat Oct 23 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 11 AM PDT SUNDAY... * WHAT...South winds 20 to 30 mph with gusts up to 55 mph expected. * WHERE...Coastal Del Norte County. * WHEN...From 11 PM this evening to 11 AM PDT 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. && $$ CAZ110-112-113-240600- /O.CON.KEKA.WI.Y.0014.211024T0900Z-211024T2100Z/ Northwestern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 251 PM PDT Sat Oct 23 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 2 AM TO 2 PM PDT SUNDAY ABOVE 2000 FEET... * WHAT...South winds 20 to 30 mph with gusts up to 55 mph expected above 2000 feet. * WHERE...Southeastern Mendocino Interior, Northwestern Mendocino Interior and Southwestern Mendocino Interior Counties. * WHEN...From 2 AM to 2 PM PDT Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
232 WWUS76 KEKA 240335 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 835 PM PDT Sat Oct 23 2021 CAZ101-241145- /O.CON.KEKA.WI.Y.0014.211024T0600Z-211024T1800Z/ Coastal Del Norte- 835 PM PDT Sat Oct 23 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT SUNDAY... * WHAT...South winds 15 to 25 mph with gusts up to around 50 mph expected. * WHERE...Coastal Del Norte County. * WHEN...Until 11 AM PDT 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. && $$ CAZ102-104>106-241145- /O.CON.KEKA.WI.Y.0014.211024T0600Z-211024T1600Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 835 PM PDT Sat Oct 23 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT SUNDAY ABOVE 2000 FEET... * WHAT...South winds 20 to 30 mph with gusts up to 55 mph expected above 2,000 feet. * WHERE...Del Norte Interior, Northern Humboldt Interior, Southwestern Humboldt and Southern Humboldt Interior Counties. * WHEN...Until 9 AM PDT Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ110-112-113-241145- /O.CON.KEKA.WI.Y.0014.211024T0900Z-211024T2100Z/ Northwestern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 835 PM PDT Sat Oct 23 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 2 AM TO 2 PM PDT SUNDAY ABOVE 2000 FEET... * WHAT...South winds 25 to 35 mph with gusts up to 55 mph expected above 2,000 feet. * WHERE...Southeastern Mendocino Interior, Northwestern Mendocino Interior and Southwestern Mendocino Interior Counties. * WHEN...From 2 AM to 2 PM PDT 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. && $$
120 WWUS76 KEKA 241132 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 432 AM PDT Sun Oct 24 2021 CAZ101-241800- /O.CON.KEKA.WI.Y.0014.000000T0000Z-211024T1800Z/ Coastal Del Norte- 432 AM PDT Sun Oct 24 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 AM THIS MORNING... * WHAT...South winds 20 to 30 mph with gusts to 50 mph expected. * WHERE...Coastal Del Norte County. * WHEN...Until 11 AM Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. $$ CAZ110-112-113-242100- /O.CON.KEKA.WI.Y.0014.000000T0000Z-211024T2100Z/ Northwestern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 432 AM PDT Sun Oct 24 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM THIS AFTERNOON ABOVE 2000 FEET... * WHAT...South winds 25 to 35 mph with gusts to 55 mph expected above 2000 feet. * WHERE...Southeastern Mendocino Interior, Northwestern Mendocino Interior, and Southwestern Mendocino Interior Counties. * WHEN...From 2 AM to 2 PM 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. $$ CAZ102-104>106-241600- /O.CON.KEKA.WI.Y.0014.000000T0000Z-211024T1600Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 432 AM PDT Sun Oct 24 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 AM THIS MORNING ABOVE 2000 FEET... * WHAT...South winds 20 to 30 mph with gusts to 55 mph expected above 2000 feet. * WHERE...Del Norte Interior, Northern Humboldt Interior, Southwestern Humboldt and Southern Humboldt Interior Counties. * WHEN...Until 9 AM Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. $$
851 WWUS76 KEKA 241554 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 854 AM PDT Sun Oct 24 2021 CAZ102-104>106-241700- /O.EXP.KEKA.WI.Y.0014.000000T0000Z-211024T1600Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 854 AM PDT Sun Oct 24 2021 ...WIND ADVISORY WILL EXPIRE AT 9 AM PDT THIS MORNING ABOVE 2000 FEET... Winds have generally calmed compared to early this morning, though gusty conditions will persist through this afternoon with gusts at high elevations around 30kts. $$ CAZ101-241800- /O.CON.KEKA.WI.Y.0014.000000T0000Z-211024T1800Z/ Coastal Del Norte- 854 AM PDT Sun Oct 24 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT THIS MORNING... * WHAT...South winds 20 to 25 mph with gusts up to 45 mph. * WHERE...Coastal Del Norte County. * WHEN...Until 11 AM PDT this morning. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ110-112-113-242100- /O.CON.KEKA.WI.Y.0014.000000T0000Z-211024T2100Z/ Northwestern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 854 AM PDT Sun Oct 24 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM PDT THIS AFTERNOON ABOVE 2000 FEET... * WHAT...Southwest winds 20 to 30 mph with gusts up to 65 mph above 2000 feet. * WHERE...Southeastern Mendocino Interior, Northwestern Mendocino Interior and Southwestern Mendocino Interior Counties. * WHEN...Until 2 PM PDT this afternoon. * 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. && $$
572 WWUS76 KEKA 241746 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1046 AM PDT Sun Oct 24 2021 CAZ101-241900- /O.EXP.KEKA.WI.Y.0014.000000T0000Z-211024T1800Z/ Coastal Del Norte- 1046 AM PDT Sun Oct 24 2021 ...WIND ADVISORY WILL EXPIRE AT 11 AM PDT THIS MORNING... Winds have somewhat calmed along headlands, but gusty conditions will continue into the evening with gusts around 30kts. $$ CAZ110-112-113-242100- /O.CON.KEKA.WI.Y.0014.000000T0000Z-211024T2100Z/ Northwestern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 1046 AM PDT Sun Oct 24 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM PDT THIS AFTERNOON ABOVE 2000 FEET... * WHAT...Southwest winds 20 to 30 mph with gusts up to 65 mph above 2000 feet. * WHERE...Southwestern Mendocino Interior, Northwestern Mendocino Interior and Southeastern Mendocino Interior Counties. * WHEN...Until 2 PM PDT this afternoon. * 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 |
|---|---|---|---|---|
| Oct 21, 8:17 PM PDT | Flash Flood Watch | EKA | 10 hr | |
| Oct 21, 9:01 PM PDT | Small Craft Advisory | EKA | 50 hr | |
| Oct 22, 2:58 PM PDT | Gale Watch | EKA | 12 hr | |
| Oct 22, 2:58 PM PDT | Hazardous Seas Watch | EKA | 24 hr | |
| Oct 22, 3:30 PM PDT | Flood Watch | EKA | Del Norte, Humboldt, Lake, Mendocino, Trinity | 53 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.