Alert archive / California / Wind Advisories in 2023
Wind Advisory 21, NWS Eureka, CA
NWS Eureka, CA issued this wind advisory at Mar 28, 2023, 4:16 AM PDT for Del Norte County, Humboldt County, Trinity County, California. It was in force for 18 hr.
The area
The counties it named.
The facts
- Issued
- Mar 28, 2023, 4:16 AM PDT (11:16 UTC)
- Expired
- Mar 28, 2023, 10:16 PM PDT
- In force
- 18 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 11:17 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, 11.3 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
- 1130 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 611 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
242 WWUS76 KEKA 281116 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 416 AM PDT Tue Mar 28 2023 CAZ102-104>106-281500- /O.CAN.KEKA.HW.W.0004.000000T0000Z-230328T1200Z/ /O.NEW.KEKA.WI.Y.0021.230328T1116Z-230328T1500Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 416 AM PDT Tue Mar 28 2023 ...WIND ADVISORY IN EFFECT UNTIL 8 AM PDT THIS MORNING FOR THE NORTH COAST HILLS AT ELEVATIONS ABOVE 1500 FEET... * WHAT...South and Southwest winds 25 to 35 mph with gusts up to 55 mph for elevations above 1500 feet. Winds will gradually diminish after sunrise. * WHERE...Del Norte Interior, Southwestern Humboldt, Northern Humboldt Interior and Southern Humboldt Interior Counties. * WHEN...Until 8 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. && $$ CAZ101-281230- /O.CAN.KEKA.HW.W.0004.000000T0000Z-230328T1200Z/ Coastal Del Norte- 416 AM PDT Tue Mar 28 2023 ...HIGH WIND WARNING IS CANCELLED... $$ CAZ107>115-281230- /O.CAN.KEKA.WI.Y.0020.000000T0000Z-230328T1200Z/ Northern Trinity-Southern Trinity-Mendocino Coast- Northwestern Mendocino Interior-Northeastern Mendocino Interior- Southwestern Mendocino Interior-Southeastern Mendocino Interior- Northern Lake-Southern Lake- 416 AM PDT Tue Mar 28 2023 ...WIND ADVISORY IS CANCELLED... $$
3 follow-up statements
845 WWUS76 KEKA 281441 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 741 AM PDT Tue Mar 28 2023 CAZ101-103-107-108-282245- /O.EXB.KEKA.WI.Y.0021.000000T0000Z-230329T0600Z/ Coastal Del Norte-Northern Humboldt Coast-Northern Trinity- Southern Trinity- 741 AM PDT Tue Mar 28 2023 ...WIND ADVISORY IN EFFECT UNTIL 11 PM PDT THIS EVENING... * WHAT...South winds 15 to 25 mph with gusts up to 50 mph. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Northern Trinity and Southern Trinity Counties. * WHEN...Until 11 PM PDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ102-104>106-282245- /O.EXT.KEKA.WI.Y.0021.000000T0000Z-230329T0600Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 741 AM PDT Tue Mar 28 2023 ...WIND ADVISORY NOW IN EFFECT UNTIL 11 PM PDT THIS EVENING... * WHAT...South winds 25 to 35 mph with gusts up to 50 mph. * WHERE...Del Norte Interior, Southwestern Humboldt, Northern Humboldt Interior and Southern Humboldt Interior Counties. * WHEN...Until 11 PM PDT 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. && $$
362 WWUS76 KEKA 282111 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 211 PM PDT Tue Mar 28 2023 CAZ101>108-290515- /O.CON.KEKA.WI.Y.0021.000000T0000Z-230329T0600Z/ Coastal Del Norte-Del Norte Interior-Northern Humboldt Coast- Southwestern Humboldt-Northern Humboldt Interior- Southern Humboldt Interior-Northern Trinity-Southern Trinity- 211 PM PDT Tue Mar 28 2023 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING... * WHAT...South winds 20 to 30 mph with gusts up to 50 mph. * WHERE...Coastal Del Norte, Del Norte Interior, Northern Humboldt Coast, Southwestern Humboldt, Northern Humboldt Interior, Southern Humboldt Interior, Northern Trinity and Southern Trinity Counties. * WHEN...Until 11 PM PDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
072 WWUS76 KEKA 290516 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1016 PM PDT Tue Mar 28 2023 CAZ101>108-290630- /O.CAN.KEKA.WI.Y.0021.000000T0000Z-230329T0600Z/ Coastal Del Norte-Del Norte Interior-Northern Humboldt Coast- Southwestern Humboldt-Northern Humboldt Interior- Southern Humboldt Interior-Northern Trinity-Southern Trinity- 1016 PM PDT Tue Mar 28 2023 ...WIND ADVISORY IS CANCELLED... Gusty winds will continue at high elevations and along the coast, but speeds will gradually diminish. $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 28, 1:06 AM PDT | Winter Weather Advisory | EKA | Del Norte, Lake, Mendocino | 30 hr |
| Mar 28, 8:52 AM PDT | Areal Flood Advisory | EKA | Lake, Mendocino | 4 hr |
| Mar 28, 9:36 AM PDT | Areal Flood Advisory | EKA | Mendocino | 3 hr |
| Mar 28, 2:02 PM PDT | Small Craft Advisory | EKA | 31 hr | |
| Mar 28, 2:02 PM PDT | Hazardous Seas Warning | EKA | 19 hr |
Nearby
Wind Advisories in California, 2023Every wind advisory in 2023
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.