Alert archive / California / Wind Advisories in 2021
Wind Advisory 12, NWS Eureka, CA
NWS Eureka, CA issued this wind advisory at Oct 18, 2021, 2:08 PM PDT for Del Norte County, Humboldt County, Mendocino County, California. It took effect at Oct 19, 2021, 4:00 PM PDT. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Oct 18, 2021, 2:08 PM PDT (21:08 UTC)
- In effect from
- Oct 19, 2021, 4:00 PM PDT
- Expired
- Oct 20, 2021, 2:00 AM PDT
- In force
- 10 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 21:08 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, 9.1 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
- 672 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
606 WWUS76 KEKA 182108 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 208 PM PDT Mon Oct 18 2021 CAZ101>106-190515- /O.NEW.KEKA.WI.Y.0012.211020T0000Z-211020T0900Z/ Coastal Del Norte-Del Norte Interior-Northern Humboldt Coast- Southwestern Humboldt-Northern Humboldt Interior- Southern Humboldt Interior- 208 PM PDT Mon Oct 18 2021 ...WIND ADVISORY IN EFFECT FROM 5 PM TUESDAY TO 2 AM PDT WEDNESDAY... * WHAT...Southeast winds 20 to 30 mph with gusts in excess of 40 mph. * WHERE...Coastal Del Norte, Del Norte Interior, Northern Humboldt Coast, Southwestern Humboldt, Northern Humboldt Interior and Southern Humboldt Interior Counties. * WHEN...From 5 PM Tuesday to 2 AM PDT Wednesday. * 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. && $$
4 follow-up statements
799 WWUS76 KEKA 190505 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1005 PM PDT Mon Oct 18 2021 CAZ101>106-191315- /O.CON.KEKA.WI.Y.0012.211020T0000Z-211020T0900Z/ Coastal Del Norte-Del Norte Interior-Northern Humboldt Coast- Southwestern Humboldt-Northern Humboldt Interior- Southern Humboldt Interior- 1005 PM PDT Mon Oct 18 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 5 PM TUESDAY TO 2 AM PDT WEDNESDAY... * WHAT...Southeast winds 20 to 30 mph with gusts of 40 to 50 mph expected. Locally higher gusts over some exposed ridgetops. * WHERE...Exposed portions of coastal Del Norte, Northern Humboldt Coast, Del Norte Interior, Northern Humboldt Interior, Southwestern Humboldt and Southern Humboldt Interior Counties. * WHEN...From 5 PM Tuesday to 2 AM PDT Wednesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
618 WWUS76 KEKA 191215 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA Issued by National Weather Service Medford OR 515 AM PDT Tue Oct 19 2021 CAZ101>106-200100- /O.CON.KEKA.WI.Y.0012.211020T0000Z-211020T0900Z/ Coastal Del Norte-Del Norte Interior-Northern Humboldt Coast- Southwestern Humboldt-Northern Humboldt Interior- Southern Humboldt Interior- 515 AM PDT Tue Oct 19 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 2 AM PDT WEDNESDAY... * WHAT...Southeast winds 20 to 30 mph with gusts of 40 to 50 mph expected. Locally higher gusts over some exposed ridgetops. * WHERE...Exposed portions of coastal Del Norte, Northern Humboldt Coast, Del Norte Interior, Northern Humboldt Interior, Southwestern Humboldt and Southern Humboldt Interior Counties. * WHEN...From 5 PM Tuesday to 2 AM PDT Wednesday. * 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. && $$
212 WWUS76 KEKA 192105 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 205 PM PDT Tue Oct 19 2021 CAZ107-109-200515- /O.EXB.KEKA.WI.Y.0012.211019T2300Z-211020T0900Z/ Northern Trinity-Mendocino Coast- 205 PM PDT Tue Oct 19 2021 ...WIND ADVISORY IN EFFECT UNTIL 2 AM PDT WEDNESDAY... * WHAT...Southeast winds gusting from 40 to 60 mph expected. * WHERE...Northern Trinity and Mendocino Coast Counties. * WHEN...Until 2 AM PDT Wednesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ101>106-200515- /O.EXT.KEKA.WI.Y.0012.211019T2300Z-211020T0900Z/ Coastal Del Norte-Del Norte Interior-Northern Humboldt Coast- Southwestern Humboldt-Northern Humboldt Interior- Southern Humboldt Interior- 205 PM PDT Tue Oct 19 2021 ...WIND ADVISORY NOW IN EFFECT UNTIL 2 AM PDT WEDNESDAY... * WHAT...Southeast winds 25 to 35 mph with gusts from 40 to 60 mph expected. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Del Norte Interior, Northern Humboldt Interior, Southwestern Humboldt and Southern Humboldt Interior Counties. * WHEN...Until 2 AM PDT Wednesday. * 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. && $$
253 WWUS76 KEKA 200334 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 834 PM PDT Tue Oct 19 2021 CAZ101>107-109-200900- /O.CON.KEKA.WI.Y.0012.000000T0000Z-211020T0900Z/ Coastal Del Norte-Del Norte Interior-Northern Humboldt Coast- Southwestern Humboldt-Northern Humboldt Interior- Southern Humboldt Interior-Northern Trinity-Mendocino Coast- 834 PM PDT Tue Oct 19 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 AM PDT WEDNESDAY... * WHAT...Southeast winds 20 to 30 mph with gusts from 40 to 60 mph. * WHERE...Mendocino Coast, Coastal Del Norte, Northern Humboldt Coast, Del Norte Interior, Northern Humboldt Interior, Southwestern Humboldt, Northern Trinity and Southern Humboldt Interior Counties. * WHEN...Until 2 AM PDT Wednesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 18, 3:00 AM PDT | Gale Warning | EKA | 48 hr | |
| Oct 18, 3:00 AM PDT | Small Craft Advisory | EKA | 40 hr | |
| Oct 18, 2:10 PM PDT | Winter Weather Advisory | EKA | 45 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.