Alert archive / California / Wind Advisories in 2020
Wind Advisory 2, NWS Eureka, CA
NWS Eureka, CA issued this wind advisory at Jan 20, 2020, 2:48 AM PST for Del Norte County, Humboldt County, California. It took effect at Jan 20, 2020, 10:00 PM PST. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Jan 20, 2020, 2:48 AM PST (10:48 UTC)
- In effect from
- Jan 20, 2020, 10:00 PM PST
- Expired
- Jan 21, 2020, 6:00 AM PST
- In force
- 8 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 10:53 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, 10.8 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
- 1904 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 98 m²/s²
- 0-3 km storm-relative helicity
- 124 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
553 WWUS76 KEKA 201048 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 248 AM PST Mon Jan 20 2020 CAZ101-102-104>106-202330- /O.NEW.KEKA.WI.Y.0002.200121T0600Z-200121T1400Z/ Coastal Del Norte-Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 248 AM PST Mon Jan 20 2020 ...WIND ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 6 AM PST TUESDAY... * 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 10 PM this evening to 6 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. && $$
3 follow-up statements
165 WWUS76 KEKA 202230 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 230 PM PST Mon Jan 20 2020 CAZ101-102-104>106-210630- /O.CON.KEKA.WI.Y.0002.200121T0600Z-200121T1400Z/ Coastal Del Norte-Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 230 PM PST Mon Jan 20 2020 ...WIND ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 6 AM PST TUESDAY... * WHAT...South winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Coastal areas of Del Norte county and the ridges and exposed areas of Humboldt and Del Norte counties. * WHEN...From 10 PM this evening to 6 AM PST Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Driving high profile vehicles of the summits of Hwy 101 and Hwy 299 may be difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
333 WWUS76 KEKA 210630 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1030 PM PST Mon Jan 20 2020 CAZ101-102-104>106-211400- /O.CON.KEKA.WI.Y.0002.000000T0000Z-200121T1400Z/ Coastal Del Norte-Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 1030 PM PST Mon Jan 20 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM PST TUESDAY... * WHAT...South winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Coastal areas of Del Norte county and the ridges and exposed areas of Humboldt and Del Norte counties. * WHEN...From 10 PM this evening to 6 AM PST Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Driving high profile vehicles of the summits of Hwy 101 and Hwy 299 may be difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
251 WWUS76 KEKA 211420 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 620 AM PST Tue Jan 21 2020 CAZ101-102-104>106-211530- /O.EXP.KEKA.WI.Y.0002.000000T0000Z-200121T1400Z/ Coastal Del Norte-Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 620 AM PST Tue Jan 21 2020 ...WIND ADVISORY HAS EXPIRED... $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 19, 9:08 PM PST | Small Craft Advisory | EKA | 10 days | |
| Jan 20, 4:28 AM PST | Winter Storm Warning | EKA | 35 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.