Alert archive / California / Wind Advisories in 2017
Wind Advisory 16, NWS Eureka, CA
NWS Eureka, CA issued this wind advisory at Feb 17, 2017, 9:58 AM PST for Mendocino County, California. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Feb 17, 2017, 9:58 AM PST (17:58 UTC)
- Expired
- Feb 17, 2017, 3:00 PM PST
- In force
- 5 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 17:59 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 12:00Z, 6.0 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
- 4 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 855 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 129 m²/s²
- 0-3 km storm-relative helicity
- 230 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
518 WWUS76 KEKA 171758 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 958 AM PST Fri Feb 17 2017 CAZ109-112-113-180000- /O.NEW.KEKA.WI.Y.0016.170217T1758Z-170218T0000Z/ Mendocino Coast-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 958 AM PST Fri Feb 17 2017 ...WIND ADVISORY IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... The National Weather Service in Eureka has issued a Wind Advisory...which is in effect until 4 PM PST this afternoon. * WINDS...east to northeast 20 to 30 mph with gusts around 45 mph. Winds will subside late this afternoon. * LOCATIONS INCLUDE...Exposed locations in southern Mendocino County including Boonville...Fort Brag...Point Arena...Comptche...Ukiah...Yorkville...Hopland...and Lyons Valley. * HIGHWAY(S) IMPACTED...Hwy 1...Hwy 128...US 101. * FOR A DETAILED VIEW OF THE HAZARD AREA...visit http://www.wrh.noaa.gov/map PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that winds of 35 mph are expected. Winds this strong can make driving difficult,especially for high profile vehicles. Use extra caution. && $$
1 follow-up statement
916 WWUS76 KEKA 172300 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 300 PM PST Fri Feb 17 2017 CAZ109-112-113-180000- /O.CAN.KEKA.WI.Y.0016.000000T0000Z-170218T0000Z/ Mendocino Coast-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 300 PM PST Fri Feb 17 2017 ...WIND ADVISORY IS CANCELLED... The National Weather Service in Eureka has cancelled the Wind Advisory. This will be the final statement issued for this event. $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 17, 2:12 PM PST | Flood Watch | EKA | Del Norte, Humboldt, Mendocino, Trinity | 3 days |
Nearby
Wind Advisories in California, 2017Every wind advisory in 2017
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.