Alert archive / California / Wind Advisories in 2018
Wind Advisory 10, NWS Eureka, CA
NWS Eureka, CA issued this wind advisory at Nov 20, 2018, 2:50 PM PST for 4 counties in California. It took effect at Nov 20, 2018, 10:00 PM PST. It was in force for 16 hr.
The area
The counties it named.
The facts
- Issued
- Nov 20, 2018, 2:50 PM PST (22:50 UTC)
- In effect from
- Nov 20, 2018, 10:00 PM PST
- Expired
- Nov 21, 2018, 2:19 PM PST
- In force
- 16 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 22:53 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 12:00Z, 10.8 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
- 2047 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 76 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
145 WWUS76 KEKA 202250 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 250 PM PST Tue Nov 20 2018 CAZ102-104>113-211200- /O.NEW.KEKA.WI.Y.0010.181121T0600Z-181122T0000Z/ Del Norte Interior-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- 250 PM PST Tue Nov 20 2018 ...WIND ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 4 PM PST WEDNESDAY ABOVE 1500 FEET... The National Weather Service in Eureka has issued a Wind Advisory...which is in effect from 10 PM this evening to 4 PM PST Wednesday. * WINDS...Sustained south winds from 25 to 35 mph with gusts to 45 mph. * LOCATIONS INCLUDE...Exposed ridges above 1500 feet.... * HIGHWAY(S) IMPACTED...Hwy 199...Hwy 101...Hwy 299...HWY 96... HWY 36...Hwy 3...Hwy 162...Hwy 128. * 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 or greater are expected. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$
2 follow-up statements
262 WWUS76 KEKA 211152 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 352 AM PST Wed Nov 21 2018 CAZ102-104>106-109>113-220000- /O.CON.KEKA.WI.Y.0010.000000T0000Z-181122T0000Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- Mendocino Coast-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 352 AM PST Wed Nov 21 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON ABOVE 1500 FEET... * WINDS...25 to 35 mph with gusts to 50 mph. * LOCATIONS INCLUDE...Exposed ridges above 1500 feet. This includes Highway summits on Hwy 101, Hwy 299 and Hwy 1. * HIGHWAY(S) IMPACTED...Hwy 1, Hwy 101, Hwy 299 and HWY 36. * FOR A DETAILED VIEW OF THE HAZARD AREA...visit http://www.wrh.noaa.gov/map PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that winds of 35 mph or greater are expected. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Downed trees and local power outages are possible as well. $$ CAZ107-108-220000- /O.CON.KEKA.WI.Y.0010.000000T0000Z-181122T0000Z/ Northern Trinity-Southern Trinity- 352 AM PST Wed Nov 21 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON ABOVE 2500 FEET... * WINDS...25 to 35 mph with gusts to 45. * LOCATIONS INCLUDE...Exposed ridges above 2500 feet. This includes highway summits on Hwy 299 and Hwy 3. * HIGHWAY(S) IMPACTED...Hwy 299...Hwy 3. * 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 or greater are expected. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Downed trees and local power outage are possible as well. $$
164 WWUS76 KEKA 212219 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 219 PM PST Wed Nov 21 2018 CAZ102-104>106-109-110-112-221130- /O.CAN.KEKA.WI.Y.0010.000000T0000Z-181122T0000Z/ /O.NEW.KEKA.HW.A.0001.181122T1500Z-181124T0000Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- Mendocino Coast-Northwestern Mendocino Interior- Southwestern Mendocino Interior- 219 PM PST Wed Nov 21 2018 ...HIGH WIND WATCH IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY AFTERNOON... ...WIND ADVISORY IS CANCELLED... The National Weather Service in Eureka has issued a High Wind Watch...which is in effect from Thursday morning through Friday afternoon. the Wind Advisory has been canceled. * WINDS...Sustained south winds from 30 to 40 mph with gusts to 60 mph at sea level, ranging to 60-70 mph across exposed ridges. * LOCATIONS INCLUDE...Gasquet...Petrolia...Honeydew... ... Ettersberg...Orleans...Willow Creek...Garberville... Bridgeville... Fort Bragg...Point Arena...Leggett... Laytonville...Willits... Boonville...Comptche. * HIGHWAYS IMPACTED...Hwy 199...Hwy 101...Hwy 299...HWY 96...HWY 36...Hwy 128. * FOR A DETAILED VIEW OF THE HAZARD AREA...visit http://www.wrh.noaa.gov/map PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Watch means there is the potential for a hazardous high wind event. Sustained winds of at least 40 mph, or gusts of 58 mph or stronger may occur. Continue to monitor the latest forecasts. && $$ CAZ107-108-111-113-212330- /O.CAN.KEKA.WI.Y.0010.000000T0000Z-181122T0000Z/ Northern Trinity-Southern Trinity-Northeastern Mendocino Interior- Southeastern Mendocino Interior- 219 PM PST Wed Nov 21 2018 ...WIND ADVISORY IS CANCELLED... The National Weather Service in Eureka has cancelled the Wind Advisory. $$ CAZ101-103-221130- /O.NEW.KEKA.HW.A.0001.181122T1500Z-181124T0000Z/ Coastal Del Norte-Northern Humboldt Coast- 219 PM PST Wed Nov 21 2018 ...HIGH WIND WATCH IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY AFTERNOON... The National Weather Service in Eureka has issued a High Wind Watch...which is in effect from Thursday morning through Friday afternoon. * WINDS...Sustained south winds from 30 to 40 mph with gusts to 60 mph at sea level, ranging to 60 to 70 mph across exposed ridges. * LOCATIONS INCLUDE...Crescent City...Arcata...Eureka... Fortuna... * HIGHWAY IMPACTED...Hwy 101. * FOR A DETAILED VIEW OF THE HAZARD AREA...visit http://www.wrh.noaa.gov/map PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Watch means there is the potential for a hazardous high wind event. Sustained winds of at least 40 mph, or gusts of 58 mph or stronger may occur. Continue to monitor the latest forecasts. && $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 20, 2:37 AM PST | Small Craft Advisory | EKA | 52 hr | |
| Nov 20, 2:42 PM PST | Gale Watch | EKA | 18 hr |
Nearby
Wind Advisories in California, 2018Every wind advisory in 2018
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.