Alert archive / California / Wind Advisories in 2020
Wind Advisory 3, NWS Eureka, CA
NWS Eureka, CA issued this wind advisory at Jan 31, 2020, 4:31 PM PST for Mendocino County, California. It took effect at Feb 2, 2020, 6:00 AM PST. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Jan 31, 2020, 4:31 PM PST (00:31 UTC)
- In effect from
- Feb 2, 2020, 6:00 AM PST
- Expired
- Feb 2, 2020, 6:00 PM PST
- In force
- 12 hr
- Issued by
- NWS Eureka, CA
County Mendocino County, CA
The radar
The Eureka (Bunker Hill) radar (KBHX), 139 km from the middle of the area, began a volume at 00:35 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
Oakland, CA (KOAK), launched 00:00Z, 0.5 hours before the alert went out and 218 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
- 1849 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- 15 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
685 WWUS76 KEKA 010031 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 431 PM PST Fri Jan 31 2020 CAZ109>113-010845- /O.UPG.KEKA.HW.A.0001.200202T1400Z-200203T0200Z/ /O.NEW.KEKA.WI.Y.0003.200202T1400Z-200203T0200Z/ Mendocino Coast-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 431 PM PST Fri Jan 31 2020 ...WIND ADVISORY IN EFFECT FROM 6 AM TO 6 PM PST SUNDAY... * WHAT...Northwest winds 20 to 30 mph with gusts up to 50 mph expected. Gusts to 60 mph will be possible across exposed ridges. * WHERE...Mendocino Coast, Northwestern Mendocino Interior, Northeastern Mendocino Interior, Southwestern Mendocino Interior and Southeastern Mendocino Interior Counties. * WHEN...From 6 AM to 6 PM 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. && $$
7 follow-up statements
633 WWUS76 KEKA 010534 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 934 PM PST Fri Jan 31 2020 CAZ109>113-011345- /O.CON.KEKA.WI.Y.0003.200202T1400Z-200203T0200Z/ Mendocino Coast-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 934 PM PST Fri Jan 31 2020 ...WIND ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM PST SUNDAY... * WHAT...Northwest winds 20 to 30 mph with gusts up to 50 mph expected. Gusts to 60 mph will be possible across exposed ridges. * WHERE...Mendocino Coast, Northwestern Mendocino Interior, Northeastern Mendocino Interior, Southwestern Mendocino Interior and Southeastern Mendocino Interior Counties. * WHEN...From 6 AM to 6 PM PST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
211 WWUS76 KEKA 011304 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 504 AM PST Sat Feb 1 2020 CAZ109>113-012115- /O.CON.KEKA.WI.Y.0003.200202T1400Z-200203T0200Z/ Mendocino Coast-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 504 AM PST Sat Feb 1 2020 ...WIND ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM PST SUNDAY... * WHAT...Northwest winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Mainly exposed coastal headlands along the Mendocino Coast, as well as exposed upper slopes and ridgetops across the Northwestern Mendocino Interior, Northeastern Mendocino Interior, Southwestern Mendocino Interior and Southeastern Mendocino County Interior. * WHEN...From 6 AM to 6 PM 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. && $$
237 WWUS76 KEKA 012103 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 103 PM PST Sat Feb 1 2020 CAZ109>113-021100- /O.CON.KEKA.WI.Y.0003.200202T1400Z-200203T0200Z/ Mendocino Coast-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 103 PM PST Sat Feb 1 2020 ...WIND ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM PST SUNDAY... * WHAT...Northwest winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Mainly exposed coastal headlands along the Mendocino Coast, as well as exposed upper slopes and ridgetops across the Northwestern Mendocino Interior, Northeastern Mendocino Interior, Southwestern Mendocino Interior and Southeastern Mendocino County Interior. * WHEN...From 6 AM to 6 PM PST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
202 WWUS76 KEKA 020643 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1043 PM PST Sat Feb 1 2020 CAZ109>113-021445- /O.CON.KEKA.WI.Y.0003.200202T1400Z-200203T0200Z/ Mendocino Coast-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 1043 PM PST Sat Feb 1 2020 ...WIND ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM PST SUNDAY... * WHAT...Northwest winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Northwestern Mendocino Interior, Northeastern Mendocino Interior, Southwestern Mendocino Interior and Southeastern Mendocino County Interior. * WHEN...From 6 AM to 6 PM 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. && $$
363 WWUS76 KEKA 021324 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 524 AM PST Sun Feb 2 2020 CAZ109>113-022000- /O.CON.KEKA.WI.Y.0003.200202T1400Z-200203T0200Z/ Mendocino Coast-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 524 AM PST Sun Feb 2 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING... * WHAT...Northwest winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Mainly exposed coastal headlands along the Mendocino Coast, as well as exposed upper slopes and ridgetops across the Northwestern Mendocino Interior, Northeastern Mendocino Interior, Southwestern Mendocino Interior and Southeastern Mendocino County Interior. * WHEN...From 6 AM to 6 PM PST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
460 WWUS76 KEKA 021955 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1155 AM PST Sun Feb 2 2020 CAZ109>113-030200- /O.CON.KEKA.WI.Y.0003.000000T0000Z-200203T0200Z/ Mendocino Coast-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 1155 AM PST Sun Feb 2 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING... * WHAT...Northwest winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Mainly exposed coastal headlands along the Mendocino Coast, as well as exposed upper slopes and ridgetops across the Northwestern Mendocino Interior, Northeastern Mendocino Interior, Southwestern Mendocino Interior and Southeastern Mendocino County Interior. * WHEN...From 6 AM to 6 PM 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. && $$
066 WWUS76 KEKA 030145 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 545 PM PST Sun Feb 2 2020 CAZ109>113-030245- /O.EXP.KEKA.WI.Y.0003.000000T0000Z-200203T0200Z/ Mendocino Coast-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 545 PM PST Sun Feb 2 2020 ...WIND ADVISORY WILL EXPIRE AT 6 PM PST THIS EVENING... $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 1, 2:49 PM PST | Gale Warning | EKA | 3 days |
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.