Alert archive / California / Wind Advisories in 2021
Wind Advisory 1, NWS Eureka, CA
NWS Eureka, CA issued this wind advisory at Jan 3, 2021, 3:46 AM PST for 5 counties in California. It took effect at Jan 4, 2021, 4:00 AM PST. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Jan 3, 2021, 3:46 AM PST (11:46 UTC)
- In effect from
- Jan 4, 2021, 4:00 AM PST
- Expired
- Jan 4, 2021, 1:00 PM PST
- In force
- 9 hr
- Issued by
- NWS Eureka, CA
Counties Del Norte County, CA, Humboldt County, CA, Lake County, CA, Mendocino County, CA, Trinity County, CA
The radar
The Eureka (Bunker Hill) radar (KBHX), 75 km from the middle of the area, began a volume at 11:48 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, 11.8 hours before the alert went out and 233 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
- 978 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 168 m²/s²
- 0-3 km storm-relative helicity
- 375 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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. $$ CAZ102>106-110-111-114-032300- /O.UPG.KEKA.HW.A.0001.210104T1200Z-210105T0000Z/ /O.NEW.KEKA.WI.Y.0001.210104T1200Z-210105T0000Z/ Del Norte Interior-Northern Humboldt Coast-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- Northwestern Mendocino Interior-Northeastern Mendocino Interior- Northern Lake County- 346 AM PST Sun Jan 3 2021 ...WIND ADVISORY IN EFFECT FROM 4 AM TO 4 PM MONDAY... * WHAT...South winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Del Norte Interior, Northern Humboldt Coast, Southwestern Humboldt, Northern Humboldt Interior, Southern Humboldt Interior, Northwestern Mendocino Interior, Northeastern Mendocino Interior and Northern Lake County Counties. * WHEN...From 4 AM to 4 PM Monday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. $$
5 follow-up statements
050 WWUS76 KEKA 032202 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 202 PM PST Sun Jan 3 2021 CAZ101-040630- /O.EXT.KEKA.HW.W.0001.210104T1200Z-210104T2000Z/ Coastal Del Norte- 202 PM PST Sun Jan 3 2021 ...HIGH WIND WARNING NOW IN EFFECT FROM 4 AM TO NOON PST MONDAY... * WHAT...South winds 30 to 40 mph with gusts around 60 mph expected. * WHERE...Coastal Del Norte County. * WHEN...From 4 AM to noon PST 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... People should 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. && $$ CAZ108-109-112-113-115-040630- /O.EXB.KEKA.WI.Y.0001.210104T1500Z-210105T0000Z/ Southern Trinity-Mendocino Coast-Southwestern Mendocino Interior- Southeastern Mendocino Interior-Southern Lake County- 202 PM PST Sun Jan 3 2021 ...WIND ADVISORY IN EFFECT FROM 7 AM TO 4 PM PST MONDAY... * WHAT...Southwest winds 15 to 25 mph with gusts up to 50 mph expected. * WHERE...Southern Trinity, Mendocino Coast, Southwestern Mendocino Interior, Southeastern Mendocino Interior and Southern Lake County Counties. * WHEN...From 7 AM to 4 PM PST Monday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ110-111-114-040630- /O.EXT.KEKA.WI.Y.0001.210104T1500Z-210105T0000Z/ Northwestern Mendocino Interior-Northeastern Mendocino Interior- Northern Lake County- 202 PM PST Sun Jan 3 2021 ...WIND ADVISORY NOW IN EFFECT FROM 7 AM TO 4 PM PST MONDAY... * WHAT...Southwest winds 15 to 25 mph with gusts up to 50 mph expected. * WHERE...Northeastern Mendocino Interior, Northern Lake County and Northwestern Mendocino Interior Counties. * WHEN...From 7 AM to 4 PM PST 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. && $$ CAZ102>106-040630- /O.CON.KEKA.WI.Y.0001.210104T1200Z-210105T0000Z/ Del Norte Interior-Northern Humboldt Coast-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 202 PM PST Sun Jan 3 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 4 AM TO 4 PM PST MONDAY... * WHAT...South winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Del Norte Interior, Northern Humboldt Coast, Northern Humboldt Interior, Southwestern Humboldt and Southern Humboldt Interior Counties. * WHEN...From 4 AM to 4 PM PST Monday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
258 WWUS76 KEKA 040617 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1017 PM PST Sun Jan 3 2021 CAZ101-041430- /O.CON.KEKA.HW.W.0001.210104T1200Z-210104T2000Z/ Coastal Del Norte- 1017 PM PST Sun Jan 3 2021 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 4 AM TO NOON PST MONDAY... * WHAT...South winds 25 to 35 mph with gusts to 60 mph expected. * WHERE...Coastal Del Norte County. * WHEN...From 4 AM to noon PST 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... People should 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. && $$ CAZ102>106-041430- /O.CON.KEKA.WI.Y.0001.210104T1200Z-210105T0000Z/ Del Norte Interior-Northern Humboldt Coast-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 1017 PM PST Sun Jan 3 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 4 AM TO 4 PM PST MONDAY... * WHAT...South winds 20 to 30 mph with gusts up to 60 mph expected. * WHERE...Del Norte Interior, Northern Humboldt Coast, Northern Humboldt Interior, Southwestern Humboldt and Southern Humboldt Interior Counties. * WHEN...From 4 AM to 4 PM PST Monday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ108>115-041430- /O.CON.KEKA.WI.Y.0001.210104T1500Z-210105T0000Z/ Southern Trinity-Mendocino Coast-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior-Northern Lake County- Southern Lake County- 1017 PM PST Sun Jan 3 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 7 AM TO 4 PM PST MONDAY... * WHAT...Southwest winds 15 to 25 mph with gusts up to 50 mph expected. * WHERE...Mendocino Coast, Southern Trinity, Southeastern Mendocino Interior, Northeastern Mendocino Interior, Northern Lake County, Southwestern Mendocino Interior, Southern Lake County and Northwestern Mendocino Interior Counties. * WHEN...From 7 AM to 4 PM PST 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. && $$
127 WWUS76 KEKA 041113 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 313 AM PST Mon Jan 4 2021 CAZ101-042000- /O.CON.KEKA.HW.W.0001.210104T1200Z-210104T2000Z/ Coastal Del Norte- 313 AM PST Mon Jan 4 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON TODAY... * WHAT...South winds 25 to 35 mph. Gusts to 60 mph possible. * WHERE...Coastal Del Norte County. * WHEN...From 4 AM to noon Monday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. $$ CAZ102>106-042100- /O.EXT.KEKA.WI.Y.0001.210104T1200Z-210104T2100Z/ Del Norte Interior-Northern Humboldt Coast-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 313 AM PST Mon Jan 4 2021 ...WIND ADVISORY NOW IN EFFECT UNTIL 1 PM THIS AFTERNOON... * WHAT...South winds 20 to 30 mph with gusts to 50 mph expected. Gusts to 60 mph possible on exposed ridges and in north/south oriented mountain passes. * WHERE...Humboldt and interior Del Norte counties. * WHEN...Until 1 PM this afternoon. * 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. $$ CAZ108>115-042100- /O.EXT.KEKA.WI.Y.0001.210104T1500Z-210104T2100Z/ Southern Trinity-Mendocino Coast-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior-Northern Lake County- Southern Lake County- 313 AM PST Mon Jan 4 2021 ...WIND ADVISORY NOW IN EFFECT FROM 7 AM THIS MORNING TO 1 PM THIS AFTERNOON... * WHAT...Southwest winds 15 to 25 mph with gusts to 50 mph expected. * WHERE...Mendocino, Lake, and southern Trinity counties. * WHEN...From 7 AM this morning to 1 PM this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. $$
138 WWUS76 KEKA 041631 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 831 AM PST Mon Jan 4 2021 CAZ101-041745- /O.CAN.KEKA.HW.W.0001.000000T0000Z-210104T2000Z/ Coastal Del Norte- 831 AM PST Mon Jan 4 2021 ...HIGH WIND WARNING IS CANCELLED... $$ CAZ103-109-112-113-115-041745- /O.CAN.KEKA.WI.Y.0001.000000T0000Z-210104T2100Z/ Northern Humboldt Coast-Mendocino Coast- Southwestern Mendocino Interior-Southeastern Mendocino Interior- Southern Lake County- 831 AM PST Mon Jan 4 2021 ...WIND ADVISORY IS CANCELLED... $$ CAZ102-104>106-108-110-111-114-042100- /O.CON.KEKA.WI.Y.0001.000000T0000Z-210104T2100Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Northern Lake County- 831 AM PST Mon Jan 4 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST THIS AFTERNOON... * WHAT...Southwest winds 15 to 25 mph with gusts up to 45 mph. * WHERE...Southern Trinity, Northeastern Mendocino Interior, Northwestern Mendocino Interior, Del Norte Interior, Northern Humboldt Interior, Southwestern Humboldt, Northern Lake County and Southern Humboldt Interior Counties. * WHEN...Until 1 PM PST this afternoon. * 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. && $$
716 WWUS76 KEKA 042102 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 102 PM PST Mon Jan 4 2021 CAZ102-104>106-108-110-111-114-042215- /O.EXP.KEKA.WI.Y.0001.000000T0000Z-210104T2100Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Northern Lake County- 102 PM PST Mon Jan 4 2021 ...WIND ADVISORY HAS EXPIRED... Gusty westerly winds to around 40 mph will linger over the ridges and exposed higher elevations through the remainder of this afternoon. Winds will decrease more significantly this evening. $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 3, 2:58 AM PST | Gale Warning | EKA | 30 hr | |
| Jan 3, 2:58 AM PST | Storm Warning | EKA | 30 hr | |
| Jan 3, 3:46 AM PST | High Wind Warning | EKA | Del Norte | 29 hr |
| Jan 3, 3:50 AM PST | Winter Storm Warning | EKA | 42 hr | |
| Jan 3, 2:03 PM PST | High Surf Advisory | EKA | Del Norte, Humboldt, Mendocino | 51 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.