Alert archive / California / High Wind Watches in 2021
High Wind Watch 1, NWS Eureka, CA
NWS Eureka, CA issued this high wind watch at Jan 2, 2021, 2:29 PM PST for 4 counties in California. It took effect at Jan 4, 2021, 4:00 AM PST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Jan 2, 2021, 2:29 PM PST (22:29 UTC)
- In effect from
- Jan 4, 2021, 4:00 AM PST
- Expired
- Jan 3, 2021, 3:46 AM PST
- In force
- Issued by
- NWS Eureka, CA
Counties Del Norte County, CA, Humboldt County, CA, Lake County, CA, Mendocino County, CA
The radar
The Eureka (Bunker Hill) radar (KBHX), 72 km from the middle of the area, began a volume at 22:30 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, 10.5 hours before the alert went out and 244 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
- 742 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 217 m²/s²
- 0-3 km storm-relative helicity
- 299 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
502 WWUS76 KEKA 022229 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 229 PM PST Sat Jan 2 2021 CAZ101>106-110-111-114-030630- /O.NEW.KEKA.HW.A.0001.210104T1200Z-210105T0000Z/ Coastal Del Norte-Del Norte Interior-Northern Humboldt Coast- Southwestern Humboldt-Northern Humboldt Interior- Southern Humboldt Interior-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Northern Lake County- 229 PM PST Sat Jan 2 2021 ...HIGH WIND WATCH IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY AFTERNOON... * WHAT...South winds 20 to 35 mph with gusts up to 60 mph possible Monday morning. Wind shifting to the west with gusts up to 60 mph possible through the afternoon. * WHERE...Coastal Del Norte, Del Norte Interior, Northern Humboldt Coast, Southwestern Humboldt, Northern Humboldt Interior, Southern Humboldt Interior, Northwestern Mendocino Interior, Northeastern Mendocino Interior and Northern Lake County Counties. * WHEN...From late Sunday night through Monday afternoon. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$
2 follow-up statements
391 WWUS76 KEKA 030615 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1015 PM PST Sat Jan 2 2021 CAZ101>106-110-111-114-031415- /O.CON.KEKA.HW.A.0001.210104T1200Z-210105T0000Z/ Coastal Del Norte-Del Norte Interior-Northern Humboldt Coast- Southwestern Humboldt-Northern Humboldt Interior- Southern Humboldt Interior-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Northern Lake County- 1015 PM PST Sat Jan 2 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY AFTERNOON... * WHAT...South winds 20 to 30 mph with gusts up to 55 mph possible. * WHERE...Del Norte Interior, Coastal Del Norte, Northern Humboldt Coast, Northeastern Mendocino Interior, Northern Humboldt Interior, Southwestern Humboldt, Northern Lake County, Southern Humboldt Interior and Northwestern Mendocino Interior Counties. * WHEN...From late Sunday night through Monday afternoon. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$
828 WWUS76 KEKA 031146 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 346 AM PST Sun Jan 3 2021 CAZ101-032300- /O.UPG.KEKA.HW.A.0001.210104T1200Z-210105T0000Z/ /O.NEW.KEKA.HW.W.0001.210104T1200Z-210105T0000Z/ Coastal Del Norte- 346 AM PST Sun Jan 3 2021 ...HIGH WIND WARNING IN EFFECT FROM 4 AM TO 4 PM PST MONDAY... * WHAT...South winds 20 to 40 mph. Gusts up to 60 mph possible Monday morning. * WHERE...Coastal Del Norte County. * WHEN...From 4 AM to 4 PM Monday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. $$ CAZ102>106-110-111-114-032300- /O.UPG.KEKA.HW.A.0001.210104T1200Z-210105T0000Z/ /O.NEW.KEKA.WI.Y.0001.210104T1200Z-210105T0000Z/ Del Norte Interior-Northern Humboldt Coast-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- Northwestern Mendocino Interior-Northeastern Mendocino Interior- Northern Lake County- 346 AM PST Sun Jan 3 2021 ...WIND ADVISORY IN EFFECT FROM 4 AM TO 4 PM MONDAY... * WHAT...South winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Del Norte Interior, Northern Humboldt Coast, Southwestern Humboldt, Northern Humboldt Interior, Southern Humboldt Interior, Northwestern Mendocino Interior, Northeastern Mendocino Interior and Northern Lake County Counties. * WHEN...From 4 AM to 4 PM Monday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 2, 2:08 PM PST | Winter Storm Watch | EKA | 14 hr | |
| Jan 2, 2:29 PM PST | Gale Watch | EKA | 12 hr | |
| Jan 2, 2:29 PM PST | Small Craft Advisory | EKA | 36 hr | |
| Jan 2, 2:29 PM PST | Storm Watch | EKA | 12 hr |
Nearby
High Wind Watches in California, 2021Every high wind watch 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.