Alert archive / California / Wind Advisories in 2020
Wind Advisory 7, NWS Eureka, CA
NWS Eureka, CA issued this wind advisory at Nov 15, 2020, 2:16 PM PST for Del Norte County, Humboldt County, California. It took effect at Nov 16, 2020, 10:00 PM PST. It was in force for 14 hr.
The area
The counties it named.
The facts
- Issued
- Nov 15, 2020, 2:16 PM PST (22:16 UTC)
- In effect from
- Nov 16, 2020, 10:00 PM PST
- Expired
- Nov 17, 2020, 12:00 PM PST
- In force
- 14 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 22:16 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, 10.3 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
- 546 m above ground
- 0-6 km bulk shear
- 79 kt
- 0-1 km storm-relative helicity
- 224 m²/s²
- 0-3 km storm-relative helicity
- 535 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
222 WWUS76 KEKA 152216 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 216 PM PST Sun Nov 15 2020 CAZ101-102-104>106-160630- /O.NEW.KEKA.WI.Y.0007.201117T0600Z-201117T2000Z/ Coastal Del Norte-Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 216 PM PST Sun Nov 15 2020 ...WIND ADVISORY IN EFFECT FROM 10 PM MONDAY TO NOON PST TUESDAY... * WHAT...South winds 25 to 35 mph with gusts up to 55 mph expected. Some mountain ridgetops may have gusts to 65 mph. * WHERE...Coastal Del Norte as well as exposed higher elevations and ridgetops in the Del Norte Interior, Southwestern Humboldt, Northern Humboldt Interior and Southern Humboldt Interior. * WHEN...From 10 PM Monday to noon PST Tuesday. * 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. && $$
7 follow-up statements
256 WWUS76 KEKA 160416 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 816 PM PST Sun Nov 15 2020 CAZ101-102-104>106-161200- /O.CON.KEKA.WI.Y.0007.201117T0600Z-201117T2000Z/ Coastal Del Norte-Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 816 PM PST Sun Nov 15 2020 ...WIND ADVISORY REMAINS IN EFFECT FROM 10 PM MONDAY TO NOON PST TUESDAY... * WHAT...South winds 25 to 35 mph with gusts up to 55 mph expected. Some mountain ridgetops may have gusts to 65 mph. * WHERE...Coastal Del Norte as well as exposed higher elevations and ridgetops in the Del Norte Interior, Southwestern Humboldt, Northern Humboldt Interior and Southern Humboldt Interior. * WHEN...From 10 PM Monday to noon PST Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
570 WWUS76 KEKA 161109 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 309 AM PST Mon Nov 16 2020 CAZ103-161900- /O.EXB.KEKA.WI.Y.0007.201117T1100Z-201117T1800Z/ Northern Humboldt Coast- 309 AM PST Mon Nov 16 2020 ...WIND ADVISORY IN EFFECT FROM 3 AM TO 10 AM PST TUESDAY... * WHAT...South winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Northern Humboldt Coast County. * WHEN...From 3 AM to 10 AM PST Tuesday. * 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. && $$ CAZ101-102-104>106-161900- /O.CON.KEKA.WI.Y.0007.201117T0600Z-201117T2000Z/ Coastal Del Norte-Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 309 AM PST Mon Nov 16 2020 ...WIND ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO NOON PST TUESDAY... * WHAT...South winds 20 to 30 mph with gusts up to 60 mph expected. * WHERE...Coastal Del Norte, Del Norte Interior, Northern Humboldt Interior, Southwestern Humboldt and Southern Humboldt Interior Counties. * WHEN...From 10 PM this evening to noon PST Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
274 WWUS76 KEKA 161750 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 950 AM PST Mon Nov 16 2020 CAZ101-102-104>106-170200- /O.CON.KEKA.WI.Y.0007.201117T0600Z-201117T2000Z/ Coastal Del Norte-Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 950 AM PST Mon Nov 16 2020 ...WIND ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO NOON PST TUESDAY... * WHAT...South winds 20 to 30 mph with gusts up to 60 mph expected. * WHERE...Coastal Del Norte, Del Norte Interior, Northern Humboldt Interior, Southwestern Humboldt and Southern Humboldt Interior Counties. * WHEN...From 10 PM this evening to noon PST Tuesday. * 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. && $$ CAZ103-170200- /O.CON.KEKA.WI.Y.0007.201117T1100Z-201117T1800Z/ Northern Humboldt Coast- 950 AM PST Mon Nov 16 2020 ...WIND ADVISORY REMAINS IN EFFECT FROM 3 AM TO 10 AM PST TUESDAY... * WHAT...South winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Northern Humboldt Coast County. * WHEN...From 3 AM to 10 AM PST Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
876 WWUS76 KEKA 162211 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 211 PM PST Mon Nov 16 2020 CAZ103-170615- /O.EXT.KEKA.WI.Y.0007.201117T0900Z-201117T1800Z/ Northern Humboldt Coast- 211 PM PST Mon Nov 16 2020 ...WIND ADVISORY NOW IN EFFECT FROM 1 AM TO 10 AM PST TUESDAY... * WHAT...South winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Northern Humboldt Coast County. * WHEN...From 1 AM to 10 AM PST Tuesday. * 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. && $$ CAZ101-102-104>106-170615- /O.CON.KEKA.WI.Y.0007.201117T0600Z-201117T2000Z/ Coastal Del Norte-Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 211 PM PST Mon Nov 16 2020 ...WIND ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO NOON PST TUESDAY... * WHAT...South winds 20 to 30 mph with gusts up to 60 mph expected. * WHERE...Coastal Del Norte, Del Norte Interior, Northern Humboldt Interior, Southwestern Humboldt and Southern Humboldt Interior Counties. * WHEN...From 10 PM this evening to noon PST Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
005 WWUS76 KEKA 170600 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1000 PM PST Mon Nov 16 2020 CAZ101-102-104>106-172000- /O.CON.KEKA.WI.Y.0007.000000T0000Z-201117T2000Z/ Coastal Del Norte-Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 1000 PM PST Mon Nov 16 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON PST TUESDAY... * WHAT...South winds 20 to 30 mph with gusts up to 60 mph expected. * WHERE...Coastal Del Norte, Del Norte Interior, Northern Humboldt Interior, Southwestern Humboldt and Southern Humboldt Interior Counties. * WHEN...From 10 PM this evening to noon PST Tuesday. * 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. && $$ CAZ103-171800- /O.CON.KEKA.WI.Y.0007.201117T0900Z-201117T1800Z/ Northern Humboldt Coast- 1000 PM PST Mon Nov 16 2020 ...WIND ADVISORY REMAINS IN EFFECT FROM 1 AM TO 10 AM PST TUESDAY... * WHAT...South winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Northern Humboldt Coast County. * WHEN...From 1 AM to 10 AM PST Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
207 WWUS76 KEKA 171745 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 945 AM PST Tue Nov 17 2020 CAZ103-171845- /O.EXP.KEKA.WI.Y.0007.000000T0000Z-201117T1800Z/ Northern Humboldt Coast- 945 AM PST Tue Nov 17 2020 ...WIND ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING... $$ CAZ101-102-104>106-172000- /O.CON.KEKA.WI.Y.0007.000000T0000Z-201117T2000Z/ Coastal Del Norte-Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 945 AM PST Tue Nov 17 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY... * WHAT...South winds 20 to 30 mph with gusts up to 50 mph. * WHERE...Coastal Del Norte, Del Norte Interior, Northern Humboldt Interior, Southwestern Humboldt and Southern Humboldt Interior Counties. * WHEN...Until noon PST today. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
245 WWUS76 KEKA 171933 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1133 AM PST Tue Nov 17 2020 CAZ101-102-104>106-172045- /O.EXP.KEKA.WI.Y.0007.000000T0000Z-201117T2000Z/ Coastal Del Norte-Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 1133 AM PST Tue Nov 17 2020 ...WIND ADVISORY WILL EXPIRE AT NOON PST TODAY... $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 15, 6:48 AM PST | Small Craft Advisory | EKA | 41 hr | |
| Nov 15, 3:10 PM PST | Gale Warning | EKA | 45 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; radar from the NEXRAD Level II archive.