Alert archive / California / Wind Advisories in 2018
Wind Advisory 3, NWS Eureka, CA
NWS Eureka, CA issued this wind advisory at Jan 20, 2018, 2:51 AM PST for Del Norte County, Humboldt County, California. It took effect at Jan 21, 2018, 10:00 AM PST. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Jan 20, 2018, 2:51 AM PST (10:51 UTC)
- In effect from
- Jan 21, 2018, 10:00 AM PST
- Expired
- Jan 21, 2018, 4:00 PM PST
- In force
- 6 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, 10.9 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
- 45 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 853 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 41 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
469 WWUS76 KEKA 201051 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 251 AM PST Sat Jan 20 2018 CAZ101-102-104>106-210000- /O.NEW.KEKA.WI.Y.0003.180121T1800Z-180122T0000Z/ Coastal Del Norte-Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 251 AM PST Sat Jan 20 2018 ...WIND ADVISORY IN EFFECT FROM 10 AM TO 4 PM PST SUNDAY... The National Weather Service in Eureka has issued a Wind Advisory...which is in effect from 10 AM to 4 PM PST Sunday. * WINDS...Sustained southerly winds from 25 to 35 mph gusting to 45 mph. * LOCATIONS INCLUDE...Coastal areas in the vicinity of Crescent City...and locations above 2000 feet...including Kneeland. * HIGHWAYS IMPACTED...Hwy 101...Hwy 199...Hwy 299...HWY 96...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. && $$
3 follow-up statements
644 WWUS76 KEKA 202149 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 149 PM PST Sat Jan 20 2018 CAZ101-102-104>106-211230- /O.CON.KEKA.WI.Y.0003.180121T1800Z-180122T0000Z/ Coastal Del Norte-Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 149 PM PST Sat Jan 20 2018 ...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM TO 4 PM PST SUNDAY... * WINDS...Sustained southerly winds from 25 to 35 mph gusting to 50 mph. * LOCATIONS INCLUDE...Coastal areas around Crescent City and locations above 2000 feet...including Kneeland and Berry Summit. * HIGHWAY(S) IMPACTED...Hwy 101...Hwy 199...Hwy 299...HWY 96...HWY 36. * FOR A DETAILED VIEW OF THE HAZARD AREA...visit http://www.wrh.noaa.gov/map $$
819 WWUS76 KEKA 211122 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 322 AM PST Sun Jan 21 2018 CAZ101-102-104>106-220000- /O.CON.KEKA.WI.Y.0003.180121T1800Z-180122T0000Z/ Coastal Del Norte-Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 322 AM PST Sun Jan 21 2018 ...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 4 PM PST THIS AFTERNOON... * WINDS...Sustained southerly winds from 25 to 35 mph gusting to 50 mph. * LOCATIONS INCLUDE...Coastal areas around Crescent City and locations above 2000 feet...including Kneeland and Berry Summit. * HIGHWAYS IMPACTED...Hwy 101...Hwy 199...Hwy 299...HWY 96...HWY 36. * FOR A DETAILED VIEW OF THE HAZARD AREA...visit http://www.wrh.noaa.gov/map $$
646 WWUS76 KEKA 212349 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 349 PM PST Sun Jan 21 2018 CAZ101-102-104>106-220100- /O.EXP.KEKA.WI.Y.0003.000000T0000Z-180122T0000Z/ Coastal Del Norte-Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 349 PM PST Sun Jan 21 2018 ...WIND ADVISORY WILL EXPIRE AT 4 PM PST THIS AFTERNOON... $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 20, 2:45 AM PST | Gale Warning | EKA | 39 hr | |
| Jan 20, 1:47 PM PST | Winter Storm Warning | EKA | 32 hr | |
| Jan 20, 1:47 PM PST | Winter Weather Advisory | EKA | Trinity | 32 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.