Alert archive / California / Wind Advisories in 2020
Wind Advisory 8, NWS Eureka, CA
NWS Eureka, CA issued this wind advisory at Dec 24, 2020, 3:12 AM PST for Del Norte County, Humboldt County, California. It took effect at Dec 25, 2020, 6:00 AM PST. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Dec 24, 2020, 3:12 AM PST (11:12 UTC)
- In effect from
- Dec 25, 2020, 6:00 AM PST
- Expired
- Dec 25, 2020, 6:00 PM PST
- In force
- 12 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 11:13 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, 11.2 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
- 2754 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
141 WWUS76 KEKA 241112 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 312 AM PST Thu Dec 24 2020 CAZ105-106-242000- /O.NEW.KEKA.WI.Y.0008.201225T1400Z-201226T0200Z/ Northern Humboldt Interior-Southern Humboldt Interior- 312 AM PST Thu Dec 24 2020 ...WIND ADVISORY IN EFFECT FROM 6 AM TO 6 PM PST FRIDAY ABOVE 1500 FEET... * WHAT...Southeast winds 20 to 30 mph with gusts up to 50 mph expected above 1500 feet. * WHERE...Northern Humboldt Interior and Southern Humboldt Interior Counties...including Kneeland and Berry Summit. * WHEN...From 6 AM to 6 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. && $$
6 follow-up statements
204 WWUS76 KEKA 241946 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1146 AM PST Thu Dec 24 2020 CAZ105-106-250400- /O.CON.KEKA.WI.Y.0008.201225T1400Z-201226T0200Z/ Northern Humboldt Interior-Southern Humboldt Interior- 1146 AM PST Thu Dec 24 2020 ...WIND ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM PST FRIDAY ABOVE 1500 FEET... * WHAT...Southeast winds 20 to 30 mph with gusts up to 50 mph expected above 1500 feet. * WHERE...Northern Humboldt Interior and Southern Humboldt Interior...including Kneeland and Berry Summit. * WHEN...From 6 AM to 6 PM PST Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
082 WWUS76 KEKA 250033 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 433 PM PST Thu Dec 24 2020 CAZ101>104-250845- /O.EXA.KEKA.WI.Y.0008.201225T1400Z-201226T0200Z/ Coastal Del Norte-Del Norte Interior-Northern Humboldt Coast- Southwestern Humboldt- 433 PM PST Thu Dec 24 2020 ...WIND ADVISORY IN EFFECT FROM 6 AM TO 6 PM PST FRIDAY... * WHAT...Southeast winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Coastal Del Norte, Del Norte Interior, Northern Humboldt Coast and Southwestern Humboldt Counties. * WHEN...From 6 AM to 6 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. && $$ CAZ105-106-250845- /O.CON.KEKA.WI.Y.0008.201225T1400Z-201226T0200Z/ Northern Humboldt Interior-Southern Humboldt Interior- 433 PM PST Thu Dec 24 2020 ...WIND ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM PST FRIDAY... * WHAT...Southeast winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...Northern Humboldt Interior and Southern Humboldt Interior Counties. * WHEN...From 6 AM to 6 PM PST Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
503 WWUS76 KEKA 250620 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1020 PM PST Thu Dec 24 2020 CAZ101>106-251430- /O.CON.KEKA.WI.Y.0008.201225T1400Z-201226T0200Z/ Coastal Del Norte-Del Norte Interior-Northern Humboldt Coast- Southwestern Humboldt-Northern Humboldt Interior- Southern Humboldt Interior- 1020 PM PST Thu Dec 24 2020 ...WIND ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM PST FRIDAY... * WHAT...Southeast winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Del Norte Interior, Northern Humboldt Interior, Southwestern Humboldt and Southern Humboldt Interior Counties. * WHEN...From 6 AM to 6 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. && $$
638 WWUS76 KEKA 251052 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 252 AM PST Fri Dec 25 2020 CAZ101>106-251900- /O.CON.KEKA.WI.Y.0008.201225T1400Z-201226T0200Z/ Coastal Del Norte-Del Norte Interior-Northern Humboldt Coast- Southwestern Humboldt-Northern Humboldt Interior- Southern Humboldt Interior- 252 AM PST Fri Dec 25 2020 ...WIND ADVISORY REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 6 PM PST THIS EVENING... * WHAT...Southeast winds 20 to 35 mph with gusts up to 60 mph expected. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Del Norte Interior, Northern Humboldt Interior, Southwestern Humboldt and Southern Humboldt Interior Counties. * WHEN...From 6 AM this morning to 6 PM PST this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
085 WWUS76 KEKA 251846 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1046 AM PST Fri Dec 25 2020 CAZ101>106-260200- /O.CON.KEKA.WI.Y.0008.000000T0000Z-201226T0200Z/ Coastal Del Norte-Del Norte Interior-Northern Humboldt Coast- Southwestern Humboldt-Northern Humboldt Interior- Southern Humboldt Interior- 1046 AM PST Fri Dec 25 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING... * WHAT...Southeast winds 20 to 35 mph with gusts up to 60 mph. * WHERE...Coastal Del Norte, Northern Humboldt Coast, Del Norte Interior, Northern Humboldt Interior, Southwestern Humboldt and Southern Humboldt Interior. * WHEN...Until 6 PM PST 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. && $$
856 WWUS76 KEKA 260146 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 546 PM PST Fri Dec 25 2020 CAZ101>106-260300- /O.EXP.KEKA.WI.Y.0008.000000T0000Z-201226T0200Z/ Coastal Del Norte-Del Norte Interior-Northern Humboldt Coast- Southwestern Humboldt-Northern Humboldt Interior- Southern Humboldt Interior- 546 PM PST Fri Dec 25 2020 ...WIND ADVISORY WILL EXPIRE AT 6 PM PST THIS EVENING... $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 24, 3:11 AM PST | Winter Storm Warning | EKA | Trinity | 48 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.