Alert archive / California / Wind Advisories in 2021
Wind Advisory 18, NWS Eureka, CA
NWS Eureka, CA issued this wind advisory at Nov 9, 2021, 12:01 AM PST for Del Norte County, Humboldt County, California. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Nov 9, 2021, 12:01 AM PST (08:01 UTC)
- Expired
- Nov 9, 2021, 3:00 AM PST
- In force
- 3 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 08:01 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 00:00Z, 8.0 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
- 1905 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 232 m²/s²
- 0-3 km storm-relative helicity
- 311 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
393 WWUS76 KEKA 090801 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1201 AM PST Tue Nov 9 2021 CAZ101-103-091100- /O.EXP.KEKA.WI.Y.0017.000000T0000Z-211109T0800Z/ /O.NEW.KEKA.WI.Y.0018.211109T0801Z-211109T1100Z/ Coastal Del Norte-Northern Humboldt Coast- 1201 AM PST Tue Nov 9 2021 ...WIND ADVISORY IN EFFECT UNTIL 3 AM PST EARLY THIS MORNING... * WHAT...Southeast winds 15 to 25 mph with gusts from 40 to 50 mph. * WHERE...Coastal Del Norte and Northern Humboldt Coast Counties. * WHEN...Until 3 AM PST 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. && $$ CAZ102-105-091100- /O.EXP.KEKA.WI.Y.0017.000000T0000Z-211109T0800Z/ /O.NEW.KEKA.WI.Y.0018.211109T0801Z-211109T1100Z/ Del Norte Interior-Northern Humboldt Interior- 1201 AM PST Tue Nov 9 2021 ...WIND ADVISORY IN EFFECT UNTIL 3 AM PST EARLY THIS MORNING ABOVE 1500 FEET... ...WIND ADVISORY HAS EXPIRED... * WHAT...South winds 20 to 30 mph with gusts up to 55 mph above 1500 feet. * WHERE...Del Norte Interior and Northern Humboldt Interior Counties. * WHEN...Until 3 AM PST early this morning. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ104-106-109-110-112-090915- /O.EXP.KEKA.WI.Y.0017.000000T0000Z-211109T0800Z/ Southwestern Humboldt-Southern Humboldt Interior-Mendocino Coast- Northwestern Mendocino Interior-Southwestern Mendocino Interior- 1201 AM PST Tue Nov 9 2021 ...WIND ADVISORY HAS EXPIRED... $$
1 follow-up statement
948 WWUS76 KEKA 091053 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 253 AM PST Tue Nov 9 2021 CAZ101-103-091200- /O.EXP.KEKA.WI.Y.0018.000000T0000Z-211109T1100Z/ Coastal Del Norte-Northern Humboldt Coast- 253 AM PST Tue Nov 9 2021 ...WIND ADVISORY WILL EXPIRE AT 3 AM PST EARLY THIS MORNING... $$ CAZ102-105-091200- /O.EXP.KEKA.WI.Y.0018.000000T0000Z-211109T1100Z/ Del Norte Interior-Northern Humboldt Interior- 253 AM PST Tue Nov 9 2021 ...WIND ADVISORY WILL EXPIRE AT 3 AM PST EARLY THIS MORNING ABOVE 1500 FEET... $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 8, 10:02 PM PST | Wind Advisory | EKA | Del Norte, Humboldt, Mendocino | 118 min |
| Nov 9, 2:08 AM PST | Small Craft Advisory | EKA | 48 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.