Alert archive / California / Wind Advisories in 2019
Wind Advisory 18, NWS Eureka, CA
NWS Eureka, CA issued this wind advisory at Nov 30, 2019, 2:13 AM PST for 4 counties in California. It took effect at Nov 30, 2019, 8:00 AM PST. It was in force for 17 hr.
The area
The counties it named.
The facts
- Issued
- Nov 30, 2019, 2:13 AM PST (10:13 UTC)
- In effect from
- Nov 30, 2019, 8:00 AM PST
- Expired
- Dec 1, 2019, 1:00 AM PST
- In force
- 17 hr
- Issued by
- NWS Eureka, CA
Counties Del Norte County, CA, Humboldt County, CA, Mendocino County, CA, Trinity County, CA
The radar
The Eureka (Bunker Hill) radar (KBHX), 60 km from the middle of the area, began a volume at 10:13 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, 10.2 hours before the alert went out and 204 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
- 823 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 33 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
615 WWUS76 KEKA 301013 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 213 AM PST Sat Nov 30 2019 CAZ102>113-301815- /O.UPG.KEKA.HW.A.0004.191130T1800Z-191201T0600Z/ /O.NEW.KEKA.WI.Y.0018.191130T1600Z-191201T0600Z/ Del Norte Interior-Northern Humboldt Coast-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- Northern Trinity-Southern Trinity-Mendocino Coast- Northwestern Mendocino Interior-Northeastern Mendocino Interior- Southwestern Mendocino Interior-Southeastern Mendocino Interior- 213 AM PST Sat Nov 30 2019 ...WIND ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 10 PM PST THIS EVENING... ...WIND ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 10 PM PST THIS EVENING... * WHAT...Southeast winds 25 to 40 mph. Gusts ranging from 45 to 60 mph. * WHERE...Portions of northwest California. Including terrain gaps, exposed coastal areas, and exposed ridges. * WHEN...From 8 AM this morning to 10 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. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ101-301815- /O.NEW.KEKA.WI.Y.0018.191130T1600Z-191201T0600Z/ Coastal Del Norte- 213 AM PST Sat Nov 30 2019 ...WIND ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 10 PM PST THIS EVENING... * WHAT...Southeast winds 20 to 40 mph. Gusts ranging from 45 to 60 mph. * WHERE...Portions of northwest California. Including terrain gaps, exposed coastal areas, and exposed ridges. * WHEN...From 8 AM this morning to 10 PM PST this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
4 follow-up statements
139 WWUS76 KEKA 301810 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1010 AM PST Sat Nov 30 2019 CAZ101>113-010515- /O.CON.KEKA.WI.Y.0018.000000T0000Z-191201T0600Z/ Coastal Del Norte-Del Norte Interior-Northern Humboldt Coast- Southwestern Humboldt-Northern Humboldt Interior- Southern Humboldt Interior-Northern Trinity-Southern Trinity- Mendocino Coast-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 1010 AM PST Sat Nov 30 2019 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... * WHAT...Southeast winds 25 to 40 mph. Gusts ranging from 45 to 60 mph. * WHERE...Portions of northwest California. Including terrain gaps, exposed coastal areas, and exposed ridges. * WHEN...From 8 AM this morning to 10 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. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
680 WWUS76 KEKA 302255 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 255 PM PST Sat Nov 30 2019 CAZ101-103-109-010700- /O.EXT.KEKA.WI.Y.0018.000000T0000Z-191201T0900Z/ Coastal Del Norte-Northern Humboldt Coast-Mendocino Coast- 255 PM PST Sat Nov 30 2019 ...WIND ADVISORY NOW IN EFFECT UNTIL 1 AM PST SUNDAY... * WHAT...Southeast winds 25 to 35 mph with gusts up to 50 mph. * WHERE...Mendocino Coast, Coastal Del Norte and Northern Humboldt Coast Counties. * WHEN...Until 1 AM PST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ102-104>106-110-112-113-010700- /O.EXT.KEKA.WI.Y.0018.000000T0000Z-191201T0900Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- Northwestern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 255 PM PST Sat Nov 30 2019 ...WIND ADVISORY NOW IN EFFECT UNTIL 1 AM PST SUNDAY ABOVE 1500 FEET... * WHAT...Southeast winds 25 to 40 mph with gusts up to 65 mph above 1500 feet. * WHERE...Del Norte Interior, Mendocino Interior, and Humboldt Interior * WHEN...Until 1 AM PST Sunday. * 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. && $$ CAZ107-108-111-010700- /O.EXT.KEKA.WI.Y.0018.000000T0000Z-191201T0900Z/ Northern Trinity-Southern Trinity-Northeastern Mendocino Interior- 255 PM PST Sat Nov 30 2019 ...WIND ADVISORY NOW IN EFFECT UNTIL 1 AM PST SUNDAY ABOVE 2500 FEET... * WHAT...Southeast winds 20 to 30 mph with gusts up to 50 mph above 2500 feet. * WHERE...Trinity county and Northeastern Mendocino county. * WHEN...Until 1 AM PST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
198 WWUS76 KEKA 010627 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1027 PM PST Sat Nov 30 2019 CAZ101-103-109-010900- /O.CON.KEKA.WI.Y.0018.000000T0000Z-191201T0900Z/ Coastal Del Norte-Northern Humboldt Coast-Mendocino Coast- 1027 PM PST Sat Nov 30 2019 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 AM PST SUNDAY... * WHAT...Southeast winds 15 to 30 mph with local gusts up to 45 mph. * WHERE...Mendocino Coast, Coastal Del Norte and Northern Humboldt Coast Counties. * WHEN...Until 1 AM PST Sunday. * 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. && $$ CAZ102-104>106-110-112-113-010900- /O.CON.KEKA.WI.Y.0018.000000T0000Z-191201T0900Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- Northwestern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 1027 PM PST Sat Nov 30 2019 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 AM PST SUNDAY ABOVE 1500 FEET... * WHAT...Southeast winds 20 to 40 mph with gusts up to 60 mph above 1500 feet. * WHERE...Del Norte Interior, Mendocino Interior, and Humboldt Interior. * WHEN...Until 1 AM PST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ107-108-111-010900- /O.CON.KEKA.WI.Y.0018.000000T0000Z-191201T0900Z/ Northern Trinity-Southern Trinity-Northeastern Mendocino Interior- 1027 PM PST Sat Nov 30 2019 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 AM PST SUNDAY ABOVE 2500 FEET... * WHAT...Southeast winds 20 to 30 mph with gusts up to 50 mph above 2500 feet. * WHERE...Trinity county and Northeastern Mendocino county. * WHEN...Until 1 AM PST Sunday. * 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. && $$
717 WWUS76 KEKA 010846 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1246 AM PST Sun Dec 1 2019 CAZ101-103-109-011000- /O.EXP.KEKA.WI.Y.0018.000000T0000Z-191201T0900Z/ Coastal Del Norte-Northern Humboldt Coast-Mendocino Coast- 1246 AM PST Sun Dec 1 2019 ...WIND ADVISORY WILL EXPIRE AT 1 AM PST EARLY THIS MORNING... $$ CAZ102-104>106-110-112-113-011000- /O.EXP.KEKA.WI.Y.0018.000000T0000Z-191201T0900Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- Northwestern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 1246 AM PST Sun Dec 1 2019 ...WIND ADVISORY WILL EXPIRE AT 1 AM PST EARLY THIS MORNING ABOVE 1500 FEET... $$ CAZ107-108-111-011000- /O.EXP.KEKA.WI.Y.0018.000000T0000Z-191201T0900Z/ Northern Trinity-Southern Trinity-Northeastern Mendocino Interior- 1246 AM PST Sun Dec 1 2019 ...WIND ADVISORY WILL EXPIRE AT 1 AM PST EARLY THIS MORNING ABOVE 2500 FEET... $$
Nearby
Wind Advisories in California, 2019Every wind advisory in 2019
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.