Alert archive / California / Wind Advisories in 2020
Wind Advisory 5, NWS Eureka, CA
NWS Eureka, CA issued this wind advisory at Nov 12, 2020, 12:01 PM PST for Del Norte County, Humboldt County, California. It took effect at Nov 13, 2020, 4:00 AM PST. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Nov 12, 2020, 12:01 PM PST (20:01 UTC)
- In effect from
- Nov 13, 2020, 4:00 AM PST
- Expired
- Nov 13, 2020, 11:18 AM PST
- In force
- 7 hr
- Issued by
- NWS Eureka, CA
Counties Del Norte County, CA, Humboldt County, CA
The nearest sounding before it
Medford/Jackson, OR (KMFR), launched 12:00Z, 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
- 855 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 91 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
081 WWUS76 KEKA 122001 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1201 PM PST Thu Nov 12 2020 CAZ101-102-104>106-130415- /O.NEW.KEKA.WI.Y.0005.201113T1500Z-201114T0000Z/ Coastal Del Norte-Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 1201 PM PST Thu Nov 12 2020 ...WIND ADVISORY IN EFFECT FROM 7 AM TO 4 PM PST FRIDAY... * WHAT...South winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Coastal Del Norte, Del Norte Interior, Southwestern Humboldt, Northern Humboldt Interior and Southern Humboldt Interior Counties. * WHEN...From 7 AM to 4 PM PST Friday. * 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. && $$
5 follow-up statements
093 WWUS76 KEKA 122217 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 217 PM PST Thu Nov 12 2020 CAZ101-102-104>106-130630- /O.CON.KEKA.WI.Y.0005.201113T1500Z-201114T0000Z/ Coastal Del Norte-Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 217 PM PST Thu Nov 12 2020 ...WIND ADVISORY REMAINS IN EFFECT FROM 7 AM TO 4 PM PST FRIDAY... * WHAT...South winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Coastal Del Norte, Del Norte Interior, Southwestern Humboldt, Northern Humboldt Interior and Southern Humboldt Interior Counties. * WHEN...From 7 AM to 4 PM PST Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
108 WWUS76 KEKA 130648 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1048 PM PST Thu Nov 12 2020 CAZ101-102-104>106-131500- /O.CON.KEKA.WI.Y.0005.201113T1500Z-201114T0000Z/ Coastal Del Norte-Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 1048 PM PST Thu Nov 12 2020 ...WIND ADVISORY REMAINS IN EFFECT FROM 7 AM TO 4 PM PST FRIDAY... * WHAT...South winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Coastal Del Norte, Del Norte Interior, Southwestern Humboldt, Northern Humboldt Interior and Southern Humboldt Interior Counties. * WHEN...From 7 AM to 4 PM PST Friday. * 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. && $$
299 WWUS76 KEKA 131058 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 258 AM PST Fri Nov 13 2020 CAZ103-131900- /O.EXB.KEKA.WI.Y.0005.201113T1500Z-201113T2000Z/ Northern Humboldt Coast- 258 AM PST Fri Nov 13 2020 ...WIND ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO NOON PST TODAY... * WHAT...South winds 15 to 30 mph with gusts up to 45 mph expected. * WHERE...Northern Humboldt Coast County. * WHEN...From 7 AM this morning to noon PST today. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ101-102-105-131900- /O.EXT.KEKA.WI.Y.0005.201113T1200Z-201114T0000Z/ Coastal Del Norte-Del Norte Interior-Northern Humboldt Interior- 258 AM PST Fri Nov 13 2020 ...WIND ADVISORY NOW IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... * WHAT...South winds 20 to 30 mph with gusts up to 60 mph expected. * WHERE...Coastal Del Norte, Del Norte Interior and Northern Humboldt Interior Counties. * WHEN...Until 4 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. && $$ CAZ104-106-131900- /O.CON.KEKA.WI.Y.0005.201113T1500Z-201114T0000Z/ Southwestern Humboldt-Southern Humboldt Interior- 258 AM PST Fri Nov 13 2020 ...WIND ADVISORY REMAINS IN EFFECT FROM 7 AM THIS MORNING TO 4 PM PST THIS AFTERNOON... * WHAT...South winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Southwestern Humboldt and Southern Humboldt Interior Counties. * WHEN...From 7 AM this morning to 4 PM PST this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
123 WWUS76 KEKA 131609 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 809 AM PST Fri Nov 13 2020 CAZ101-102-104>106-140000- /O.CON.KEKA.WI.Y.0005.000000T0000Z-201114T0000Z/ Coastal Del Norte-Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 809 AM PST Fri Nov 13 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... * WHAT...South winds 20 to 30 mph with gusts up to 60 mph expected. * WHERE...Coastal Del Norte, Del Norte Interior and Northern Humboldt Interior Counties. * WHEN...Until 4 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. && $$ CAZ103-132000- /O.CON.KEKA.WI.Y.0005.000000T0000Z-201113T2000Z/ Northern Humboldt Coast- 809 AM PST Fri Nov 13 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY... * WHAT...South winds 15 to 30 mph with gusts up to 45 mph expected. * WHERE...Northern Humboldt Coast County. * WHEN...From 7 AM this morning to noon PST today. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
077 WWUS76 KEKA 131918 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1118 AM PST Fri Nov 13 2020 CAZ101-102-104>106-132030- /O.CAN.KEKA.WI.Y.0005.000000T0000Z-201114T0000Z/ Coastal Del Norte-Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 1118 AM PST Fri Nov 13 2020 ...WIND ADVISORY IS CANCELLED... $$ CAZ103-132030- /O.CAN.KEKA.WI.Y.0005.000000T0000Z-201113T2000Z/ Northern Humboldt Coast- 1118 AM PST Fri Nov 13 2020 ...WIND ADVISORY IS CANCELLED... $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 12, 2:58 AM PST | Gale Watch | EKA | 18 hr | |
| Nov 12, 2:58 AM PST | Small Craft Advisory | EKA | 5 days | |
| Nov 12, 12:00 PM PST | Winter Weather Advisory | EKA | 26 hr |
Nearby
Wind Advisories in California, 2020Every wind advisory in 2020
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.