Alert archive / California / Wind Advisories in 2019

Wind Advisory 13, NWS Eureka, CA

May 15, 2019Humboldt County, Mendocino County, California

NWS Eureka, CA issued this wind advisory at May 15, 2019, 1:21 PM PDT for Humboldt County, Mendocino County, California. It took effect at May 15, 2019, 3:00 PM PDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
May 15, 2019, 1:21 PM PDT (20:21 UTC)
In effect from
May 15, 2019, 3:00 PM PDT
Expired
May 15, 2019, 10:00 PM PDT
In force
7 hr
Issued by
NWS Eureka, CA

Counties Humboldt County, CA, Mendocino County, CA

The radar

The Eureka (Bunker Hill) radar (KBHX), 71 km from the middle of the area, began a volume at 20:21 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, 8.4 hours before the alert went out and 266 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.

Skew-T log-pSkew-T log-p diagram, Medford/Jackson, OR at 12:00Z on 2019-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Medford/Jackson, OR at 12:00Z on 2019-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 112 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
720 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
112 m²/s²
0-3 km storm-relative helicity
168 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

871 
WWUS76 KEKA 152021
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
121 PM PDT Wed May 15 2019

CAZ104-109-110-112-113-160500-
/O.NEW.KEKA.WI.Y.0013.190515T2200Z-190516T0500Z/
Southwestern Humboldt-Mendocino Coast-
Northwestern Mendocino Interior-Southwestern Mendocino Interior-
Southeastern Mendocino Interior-
121 PM PDT Wed May 15 2019

...WIND ADVISORY IN EFFECT UNTIL 10 PM PDT THIS EVENING ABOVE 1500
FEET...

The National Weather Service in Eureka has issued a Wind
Advisory...which is in effect until 10 PM PDT this evening. 

* WINDS...Southeast 25 to 35 mph with gusts as high as 55 mph.

* LOCATIONS INCLUDE...Areas above 1500 feet elevation in southern
  Humboldt and Mendocino Counties, including Petrolia, Honeydew,
  Leggett, Laytonville, Willits, and Branscomb.

* HIGHWAYS IMPACTED...101, 1, 20, 128. 

* FOR A DETAILED VIEW OF THE HAZARD AREA...visit 
  http://www.wrh.noaa.gov/map

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that wind gusts of 45 mph or greater are
expected. Winds this strong can make driving difficult,
especially for high profile vehicles. Use extra caution.

&&

$$
2 follow-up statements
089 
WWUS76 KEKA 160112
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
612 PM PDT Wed May 15 2019


CAZ104-109-161415-
/O.NEW.KEKA.WI.Y.0014.190516T1500Z-190516T2100Z/
/O.CON.KEKA.WI.Y.0013.000000T0000Z-190516T0500Z/
Southwestern Humboldt-Mendocino Coast-
612 PM PDT Wed May 15 2019

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING...
...WIND ADVISORY IN EFFECT FROM 8 AM TO 2 PM PDT THURSDAY...

The National Weather Service in Eureka has issued a Wind
Advisory...which is in effect from 8 AM to 2 PM PDT Thursday. 

* WINDS...South 25 to 35 mph with gusts from 45 to 55 mph.

* LOCATIONS INCLUDE...Petrolia, Honeydew, Ettersberg, Fort Bragg,
  Point Arena, and Shelter Cove.

* HIGHWAYS IMPACTED...101, 1, 20, and 128.

* FOR A DETAILED VIEW OF THE HAZARD AREA...visit 
  http://www.wrh.noaa.gov/map

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that wind gusts of 45 mph or greater are
expected. Winds this strong can make driving difficult,
especially for high profile vehicles. Use extra caution.

&&

$$

CAZ103-105-106-161415-
/O.NEW.KEKA.WI.Y.0014.190516T1500Z-190516T1800Z/
Northern Humboldt Coast-Northern Humboldt Interior-
Southern Humboldt Interior-
612 PM PDT Wed May 15 2019

...WIND ADVISORY IN EFFECT FROM 8 AM TO 11 AM PDT THURSDAY...

The National Weather Service in Eureka has issued a Wind
Advisory...which is in effect from 8 AM to 11 AM PDT Thursday. 

* WINDS...East-southeast 25 to 35 mph with gusts to 50 mph.

* LOCATIONS INCLUDE...Arcata, Eureka, Fortuna, Orleans, Willow
  Creek, Garberville, Bridgeville.

* HIGHWAYS IMPACTED...36, 96, 101, 299.

* FOR A DETAILED VIEW OF THE HAZARD AREA...visit 
  http://www.wrh.noaa.gov/map

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that wind gusts of 45 mph or greater are
expected. Winds this strong can make driving difficult,
especially for high profile vehicles. Use extra caution.

&&

$$

CAZ101-161415-
/O.NEW.KEKA.WI.Y.0014.190516T1800Z-190516T2100Z/
Coastal Del Norte-
612 PM PDT Wed May 15 2019

...WIND ADVISORY IN EFFECT FROM 11 AM TO 2 PM PDT THURSDAY...

The National Weather Service in Eureka has issued a Wind
Advisory...which is in effect from 11 AM to 2 PM PDT Thursday. 

* WINDS...South 25 to 35 mph with gusts from 45 to 55 mph.

* LOCATIONS INCLUDE...Crescent City.

* HIGHWAYS IMPACTED...101.

* FOR A DETAILED VIEW OF THE HAZARD AREA...visit 
  http://www.wrh.noaa.gov/map

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that wind gusts of 45 mph or greater are
expected. Winds this strong can make driving difficult,
especially for high profile vehicles. Use extra caution.

&&

$$

CAZ110-112-113-160500-
/O.CON.KEKA.WI.Y.0013.000000T0000Z-190516T0500Z/
Northwestern Mendocino Interior-Southwestern Mendocino Interior-
Southeastern Mendocino Interior-
612 PM PDT Wed May 15 2019

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING...

* WINDS...South 25 to 35 mph with gusts from 45 to 55 mph.

* LOCATIONS INCLUDE...Ukiah, Hopland, Boonville, Comptche,
  Leggett, Laytonville, Willits.

* HIGHWAYS IMPACTED...101, 128.

* FOR A DETAILED VIEW OF THE HAZARD AREA...visit 
  http://www.wrh.noaa.gov/map

$$
438 
WWUS76 KEKA 160504
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
1004 PM PDT Wed May 15 2019


CAZ104-109-161815-
/O.EXP.KEKA.WI.Y.0013.000000T0000Z-190516T0500Z/
/O.CON.KEKA.WI.Y.0014.190516T1500Z-190516T2100Z/
Southwestern Humboldt-Mendocino Coast-
1004 PM PDT Wed May 15 2019

...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM TO 2 PM PDT
THURSDAY...

* WINDS...South 25 to 35 mph with gusts from 45 to 55 mph.

* LOCATIONS INCLUDE...Petrolia, Honeydew, Ettersberg, Fort Bragg,
  Point Arena, and Shelter Cove.

* HIGHWAYS IMPACTED...101, 1, 20, and 128.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that wind gusts of 45 mph or greater are
expected. Winds this strong can make driving difficult,
especially for high profile vehicles. Use extra caution.

&&

$$

CAZ110-112-113-160615-
/O.EXP.KEKA.WI.Y.0013.000000T0000Z-190516T0500Z/
Northwestern Mendocino Interior-Southwestern Mendocino Interior-
Southeastern Mendocino Interior-
1004 PM PDT Wed May 15 2019

...WIND ADVISORY HAS EXPIRED...

$$

CAZ103-105-106-161800-
/O.CON.KEKA.WI.Y.0014.190516T1500Z-190516T1800Z/
Northern Humboldt Coast-Northern Humboldt Interior-
Southern Humboldt Interior-
1004 PM PDT Wed May 15 2019

...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM TO 11 AM PDT
THURSDAY...

* WINDS...East-southeast 25 to 35 mph with gusts from 45 to 55
  mph.

* LOCATIONS INCLUDE...Arcata, Eureka, Fortuna, Orleans, Willow
  Creek, Garberville, Bridgeville.

* HIGHWAYS IMPACTED...36, 96, 101, 299.

* FOR A DETAILED VIEW OF THE HAZARD AREA...visit 
  http://www.wrh.noaa.gov/map

$$

CAZ101-161815-
/O.CON.KEKA.WI.Y.0014.190516T1800Z-190516T2100Z/
Coastal Del Norte-
1004 PM PDT Wed May 15 2019

...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM TO 2 PM PDT
THURSDAY...

* WINDS...South-southeast 25 to 35 mph with gusts from 45 to 55
  mph.

* LOCATIONS INCLUDE...Crescent City.

* HIGHWAYS IMPACTED...101.

* FOR A DETAILED VIEW OF THE HAZARD AREA...visit 
  http://www.wrh.noaa.gov/map

$$

The office that day

Everything else NWS Eureka, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 15, 8:47 AM PDTGale WarningEKA35 hr
May 15, 2:25 PM PDTGale WarningEKA25 hr

Nearby

Wind Advisories in California, 2019Every wind advisory in 2019

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.