Alert archive / California / Wind Advisories in 2021
Wind Advisory 15, NWS Eureka, CA
NWS Eureka, CA issued this wind advisory at Nov 2, 2021, 2:42 PM PDT for Del Norte County, Humboldt County, Trinity County, California. It took effect at Nov 3, 2021, 3:00 PM PDT. It was in force for 14 hr.
The area
The counties it named.
The facts
- Issued
- Nov 2, 2021, 2:42 PM PDT (21:42 UTC)
- In effect from
- Nov 3, 2021, 3:00 PM PDT
- Expired
- Nov 4, 2021, 5:00 AM PDT
- In force
- 14 hr
- Issued by
- NWS Eureka, CA
Counties Del Norte County, CA, Humboldt County, CA, Trinity County, CA
The radar
The Eureka (Bunker Hill) radar (KBHX), 80 km from the middle of the area, began a volume at 21:44 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, 9.7 hours before the alert went out and 165 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
- 631 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 203 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
826 WWUS76 KEKA 022142 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 242 PM PDT Tue Nov 2 2021 CAZ101-030545- /O.NEW.KEKA.WI.Y.0015.211104T0100Z-211104T0800Z/ Coastal Del Norte- 242 PM PDT Tue Nov 2 2021 ...WIND ADVISORY IN EFFECT FROM 6 PM WEDNESDAY TO 1 AM PDT THURSDAY... * WHAT...South winds 15 to 25 mph with gusts up to 45 mph expected. * WHERE...Coastal Del Norte County. * WHEN...From 6 PM Wednesday to 1 AM PDT Thursday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Gusty winds will also make driving difficult, especially for high profile. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
7 follow-up statements
970 WWUS76 KEKA 030157 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 657 PM PDT Tue Nov 2 2021 CAZ103-104-031000- /O.EXA.KEKA.WI.Y.0015.211104T0100Z-211104T0800Z/ Northern Humboldt Coast-Southwestern Humboldt- 657 PM PDT Tue Nov 2 2021 ...WIND ADVISORY IN EFFECT FROM 6 PM WEDNESDAY TO 1 AM PDT THURSDAY... * WHAT...South winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Northern Humboldt Coast and Southwestern Humboldt Counties. * WHEN...From 6 PM Wednesday to 1 AM PDT Thursday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ101-031000- /O.CON.KEKA.WI.Y.0015.211104T0100Z-211104T0800Z/ Coastal Del Norte- 657 PM PDT Tue Nov 2 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 6 PM WEDNESDAY TO 1 AM PDT THURSDAY... * WHAT...South winds 25 to 35 mph with gusts up to 45 mph expected. * WHERE...Coastal Del Norte County. * WHEN...From 6 PM Wednesday to 1 AM PDT Thursday. * 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. && $$
370 WWUS76 KEKA 030334 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 834 PM PDT Tue Nov 2 2021 CAZ102-105>107-031145- /O.EXA.KEKA.WI.Y.0015.211104T0100Z-211104T0800Z/ Del Norte Interior-Northern Humboldt Interior- Southern Humboldt Interior-Northern Trinity- 834 PM PDT Tue Nov 2 2021 ...WIND ADVISORY IN EFFECT FROM 6 PM WEDNESDAY TO 1 AM PDT THURSDAY... * WHAT...South winds 15 to 25 mph with gusts up to 50 mph expected. * WHERE...Del Norte Interior, Northern Humboldt Interior, Southern Humboldt Interior and Northern Trinity Counties. * WHEN...From 6 PM Wednesday to 1 AM PDT Thursday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ101-103-104-031145- /O.CON.KEKA.WI.Y.0015.211104T0100Z-211104T0800Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- 834 PM PDT Tue Nov 2 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 6 PM WEDNESDAY TO 1 AM PDT THURSDAY... * WHAT...South winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Coastal Del Norte, Northern Humboldt Coast and Southwestern Humboldt Counties. * WHEN...From 6 PM Wednesday to 1 AM PDT Thursday. * 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. && $$
663 WWUS76 KEKA 031043 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 343 AM PDT Wed Nov 3 2021 CAZ101-103-104-031845- /O.EXT.KEKA.WI.Y.0015.211104T0100Z-211104T1200Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- 343 AM PDT Wed Nov 3 2021 ...WIND ADVISORY NOW IN EFFECT FROM 6 PM THIS EVENING TO 5 AM PDT THURSDAY... * WHAT...South winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Exposed coastal headlands and ridgetops in Coastal Del Norte, Northern Humboldt Coast and Southwestern Humboldt Counties. * WHEN...From 6 PM this evening to 5 AM PDT Thursday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ102-105>107-031845- /O.EXT.KEKA.WI.Y.0015.211103T2200Z-211104T1200Z/ Del Norte Interior-Northern Humboldt Interior- Southern Humboldt Interior-Northern Trinity- 343 AM PDT Wed Nov 3 2021 ...WIND ADVISORY NOW IN EFFECT FROM 3 PM THIS AFTERNOON TO 5 AM PDT THURSDAY ABOVE 1500 FEET... * WHAT...South winds 25 to 35 mph with gusts up to 55 mph expected above 1500 feet. * WHERE...Exposed ridgetops through Del Norte Interior, Northern Humboldt Interior, Northern Trinity and Southern Humboldt Interior Counties. * WHEN...From 3 PM this afternoon to 5 AM PDT Thursday. * 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. && $$
133 WWUS76 KEKA 031849 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1149 AM PDT Wed Nov 3 2021 CAZ101-103-104-041100- /O.CON.KEKA.WI.Y.0015.211104T0100Z-211104T1200Z/ Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt- 1149 AM PDT Wed Nov 3 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 5 AM PDT THURSDAY... * WHAT...South winds 20 to 35 mph with gusts to around 50 mph expected. * WHERE...Coastal Del Norte, Northern Humboldt Coast and Southwestern Humboldt Counties. * WHEN...From 6 PM this evening to 5 AM PDT Thursday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ102-105>107-041100- /O.CON.KEKA.WI.Y.0015.211103T2200Z-211104T1200Z/ Del Norte Interior-Northern Humboldt Interior- Southern Humboldt Interior-Northern Trinity- 1149 AM PDT Wed Nov 3 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO 5 AM PDT THURSDAY ABOVE 1500 FEET... * WHAT...South winds 25 to 35 mph with gusts up to 55 mph expected above 1,500 feet. * WHERE...Del Norte Interior, Northern Humboldt Interior, Northern Trinity and Southern Humboldt Interior Counties. * WHEN...From 3 PM this afternoon to 5 AM PDT Thursday. * 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. && $$
951 WWUS76 KEKA 040112 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 612 PM PDT Wed Nov 3 2021 CAZ108-040915- /O.EXA.KEKA.WI.Y.0015.000000T0000Z-211104T1200Z/ Southern Trinity- 612 PM PDT Wed Nov 3 2021 ...WIND ADVISORY IN EFFECT UNTIL 5 AM PDT THURSDAY... * WHAT...South winds 15 to 25 mph with gusts up to 50 mph. * WHERE...Southern Trinity County. * WHEN...Until 5 AM PDT Thursday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ101>107-040915- /O.CON.KEKA.WI.Y.0015.000000T0000Z-211104T1200Z/ Coastal Del Norte-Del Norte Interior-Northern Humboldt Coast- Southwestern Humboldt-Northern Humboldt Interior- Southern Humboldt Interior-Northern Trinity- 612 PM PDT Wed Nov 3 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT THURSDAY... * WHAT...South winds 20 to 30 mph with gusts up to 60 mph. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Del Norte Interior, Northern Humboldt Interior, Southwestern Humboldt, Northern Trinity and Southern Humboldt Interior Counties. * WHEN...Until 5 AM PDT Thursday. * 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. && $$
873 WWUS76 KEKA 040919 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 219 AM PDT Thu Nov 4 2021 CAZ101>108-041200- /O.CON.KEKA.WI.Y.0015.000000T0000Z-211104T1200Z/ Coastal Del Norte-Del Norte Interior-Northern Humboldt Coast- Southwestern Humboldt-Northern Humboldt Interior- Southern Humboldt Interior-Northern Trinity-Southern Trinity- 219 AM PDT Thu Nov 4 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT EARLY THIS MORNING... * WHAT...Southwest winds 15 to 25 mph with gusts up to 45 mph. * WHERE...Southern Trinity, Coastal Del Norte, Northern Humboldt Coast, Del Norte Interior, Northern Humboldt Interior, Southwestern Humboldt, Northern Trinity and Southern Humboldt Interior Counties. * WHEN...Until 5 AM PDT early this morning. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
785 WWUS76 KEKA 041155 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 455 AM PDT Thu Nov 4 2021 CAZ101>108-041300- /O.EXP.KEKA.WI.Y.0015.000000T0000Z-211104T1200Z/ Coastal Del Norte-Del Norte Interior-Northern Humboldt Coast- Southwestern Humboldt-Northern Humboldt Interior- Southern Humboldt Interior-Northern Trinity-Southern Trinity- 455 AM PDT Thu Nov 4 2021 ...WIND ADVISORY WILL EXPIRE AT 5 AM PDT EARLY THIS MORNING... Some occasionally stronger wind gusts over 40 mph around Point Saint George and over the coastal ridgetops will linger for another couple of hours, but otherwise the strongest winds have passed and winds will continue to ease later this morning. $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 1, 9:58 PM PDT | Small Craft Advisory | EKA | 64 hr | |
| Nov 2, 3:03 AM PDT | Gale Warning | EKA | 54 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.