Alert archive / California / Wind Advisories in 2019

Wind Advisory 7, NWS Eureka, CA

February 12, 2019Humboldt County, Mendocino County, California

NWS Eureka, CA issued this wind advisory at Feb 12, 2019, 3:58 AM PST for Humboldt County, Mendocino County, California. It took effect at Feb 12, 2019, 8:00 PM PST. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Feb 12, 2019, 3:58 AM PST (11:58 UTC)
In effect from
Feb 12, 2019, 8:00 PM PST
Expired
Feb 13, 2019, 1:57 PM PST
In force
18 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 11:59 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

Medford/Jackson, OR (KMFR), launched 00:00Z, 12.0 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 00:00Z on 2019-02-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2019-02-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 square meters per square second.19395878Sfc1 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
6 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
1509 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
300 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

521 
WWUS76 KEKA 121158
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
358 AM PST Tue Feb 12 2019

CAZ104-109-130100-
/O.NEW.KEKA.WI.Y.0007.190213T0400Z-190213T2300Z/
Southwestern Humboldt-Mendocino Coast-
358 AM PST Tue Feb 12 2019

...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 3 PM PST
WEDNESDAY...

The National Weather Service in Eureka has issued a Wind
Advisory...which is in effect from 8 PM this evening to 3 PM PST
Wednesday. 

* WINDS...25 to 35 mph with gusts to 50 mph.

* LOCATIONS INCLUDE...Point Arena, Fort Bragg, Shelter Cove.

* HIGHWAYS IMPACTED...Highway 1, Shelter Cove Road, Mattole Road.

* 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.

&&

$$

CAZ105-106-110-113-130100-
/O.NEW.KEKA.WI.Y.0007.190213T0400Z-190213T2300Z/
Northern Humboldt Interior-Southern Humboldt Interior-
Northwestern Mendocino Interior-Southeastern Mendocino Interior-
358 AM PST Tue Feb 12 2019

...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 3 PM PST
WEDNESDAY ABOVE 1500 FEET...

The National Weather Service in Eureka has issued a Wind
Advisory...which is in effect from 8 PM this evening to 3 PM PST
Wednesday. 

* WINDS...25 to 40 mph with gusts to 55 mph.

* LOCATIONS INCLUDE...Kneeland, Fickle Hill, Bald Hills, and 
  higher elevations surrounding the communities of Orleans, Willow
  Creek, Garberville, Bridgeville, Leggett, Laytonville, Willits,
  Ukiah, Hopland.

* HIGHWAYS IMPACTED...36, 299, Bald Hills Road and other rural 
  roadways at higher elevations.

* 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.

&&

$$

CAZ111-130100-
/O.NEW.KEKA.WI.Y.0007.190213T0400Z-190213T2300Z/
Northeastern Mendocino Interior-
358 AM PST Tue Feb 12 2019

...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 3 PM PST
WEDNESDAY ABOVE 2000 FEET...

The National Weather Service in Eureka has issued a Wind
Advisory...which is in effect from 8 PM this evening to 3 PM PST
Wednesday. 

* WINDS...25 to 40 mph with gusts to 55 mph.

* LOCATIONS INCLUDE...Higher elevations surrounding Covelo.

* HIGHWAYS IMPACTED...162 east of Covelo and other high elevation
  rural roadways.

* 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.

&&

$$

CAZ101-122300-
/O.EXT.KEKA.WI.Y.0006.000000T0000Z-190212T2300Z/
Coastal Del Norte-
358 AM PST Tue Feb 12 2019

...WIND ADVISORY NOW IN EFFECT UNTIL 3 PM PST THIS AFTERNOON...

* WINDS...20 to 30 mph with occasional gusts to 50 mph.

* LOCATIONS INCLUDE...Crescent City.

* HIGHWAYS IMPACTED...101.

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

$$
4 follow-up statements
138 
WWUS76 KEKA 121950
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
1150 AM PST Tue Feb 12 2019

CAZ101-122100-
/O.CAN.KEKA.WI.Y.0006.000000T0000Z-190212T2300Z/
Coastal Del Norte-
1150 AM PST Tue Feb 12 2019

...WIND ADVISORY IS CANCELLED...

The National Weather Service in Eureka has cancelled the Wind
Advisory. 

Strong wind gusts to 50 mph are no longer expected. Windy 
conditions will continue through this afternoon, however.

$$

CAZ103-131500-
/O.EXA.KEKA.WI.Y.0007.190213T0400Z-190213T2300Z/
Northern Humboldt Coast-
1150 AM PST Tue Feb 12 2019

...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 3 PM PST
WEDNESDAY...

The National Weather Service in Eureka has issued a Wind
Advisory...which is in effect from 8 PM this evening to 3 PM PST
Wednesday. 

* WINDS...southeast 20 to 30 mph with gusts to 50 mph. 

* LOCATIONS INCLUDE...Arcata, Eureka and Fortuna.

* HIGHWAYS IMPACTED...101.

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

$$

CAZ104-109-131500-
/O.CON.KEKA.WI.Y.0007.190213T0400Z-190213T2300Z/
Southwestern Humboldt-Mendocino Coast-
1150 AM PST Tue Feb 12 2019

...WIND ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 3 PM
PST WEDNESDAY...

* WINDS...south to southeast 20 to 30 mph with gusts to 50 mph.

* LOCATIONS INCLUDE...Point Arena, Fort Bragg, Shelter Cove.

* HIGHWAYS IMPACTED...Highway 1, Shelter Cove Road, Mattole Road.

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

$$

CAZ105-106-110-113-131500-
/O.CON.KEKA.WI.Y.0007.190213T0400Z-190213T2300Z/
Northern Humboldt Interior-Southern Humboldt Interior-
Northwestern Mendocino Interior-Southeastern Mendocino Interior-
1150 AM PST Tue Feb 12 2019

...WIND ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 3 PM
PST WEDNESDAY ABOVE 1500 FEET...

* WINDS...south to southeast 25 to 35 mph with gusts to 60 mph.

* LOCATIONS INCLUDE...Kneeland, Fickle Hill, Bald Hills, and 
  higher elevations surrounding the communities of Orleans, Willow
  Creek, Garberville, Bridgeville, Leggett, Laytonville, Willits,
  Ukiah, Hopland.

* HIGHWAYS IMPACTED...36, 299, Bald Hills Road and other rural 
  roadways at higher elevations.

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

$$

CAZ111-131500-
/O.CON.KEKA.WI.Y.0007.190213T0400Z-190213T2300Z/
Northeastern Mendocino Interior-
1150 AM PST Tue Feb 12 2019

...WIND ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 3 PM
PST WEDNESDAY ABOVE 2000 FEET...

* WINDS...south to southeast 25 to 35 mph with gusts to 60 mph.

* LOCATIONS INCLUDE...Higher elevations surrounding Covelo.

* HIGHWAYS IMPACTED...162 east of Covelo and other high elevation
  rural roadways.

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

$$
754 
WWUS76 KEKA 131410
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
610 AM PST Wed Feb 13 2019

CAZ103-104-109-132300-
/O.CON.KEKA.WI.Y.0007.000000T0000Z-190213T2300Z/
Northern Humboldt Coast-Southwestern Humboldt-Mendocino Coast-
610 AM PST Wed Feb 13 2019

...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS
AFTERNOON...

* WINDS...southeast 20 to 30 mph with gusts to 50 mph. 

* LOCATIONS INCLUDE...Arcata, Eureka, Fortuna, Shelter Cove, Point
  Arena, Fort Bragg.

* HIGHWAYS IMPACTED...101, Mattole Road, Highway 1, Shelter Cove
  Road.

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

$$

CAZ105-106-110-113-132300-
/O.CON.KEKA.WI.Y.0007.000000T0000Z-190213T2300Z/
Northern Humboldt Interior-Southern Humboldt Interior-
Northwestern Mendocino Interior-Southeastern Mendocino Interior-
610 AM PST Wed Feb 13 2019

...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS AFTERNOON
ABOVE 1500 FEET...

* WINDS...south to southeast 25 to 35 mph with gusts to 60 mph.

* LOCATIONS INCLUDE...Kneeland, Fickle Hill, Bald Hills, and 
  higher elevations surrounding the communities of Orleans, Willow
  Creek, Garberville, Bridgeville, Leggett, Laytonville, Willits,
  Ukiah, Hopland.

* HIGHWAYS IMPACTED...36, 299, Bald Hills Road and other rural 
  roadways at higher elevations.

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

$$

CAZ111-132300-
/O.CON.KEKA.WI.Y.0007.000000T0000Z-190213T2300Z/
Northeastern Mendocino Interior-
610 AM PST Wed Feb 13 2019

...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS AFTERNOON
ABOVE 2000 FEET...

* WINDS...south to southeast 25 to 35 mph with gusts to 60 mph.

* LOCATIONS INCLUDE...Higher elevations surrounding Covelo.

* HIGHWAYS IMPACTED...162 east of Covelo and other high elevation
  rural roadways.

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

$$
611 
WWUS76 KEKA 131744
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
944 AM PST Wed Feb 13 2019


CAZ103-104-109>111-113-131845-
/O.CAN.KEKA.WI.Y.0007.000000T0000Z-190213T2300Z/
Northern Humboldt Coast-Southwestern Humboldt-Mendocino Coast-
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
Southeastern Mendocino Interior-
944 AM PST Wed Feb 13 2019

...WIND ADVISORY IS CANCELLED...

The National Weather Service in Eureka has cancelled the Wind
Advisory. 

Breezy south to southeast winds from 15 to 25 mph with gusts to
35 mph are expected for the rest of the day.  

$$

CAZ105-106-132300-
/O.CON.KEKA.WI.Y.0007.000000T0000Z-190213T2300Z/
Northern Humboldt Interior-Southern Humboldt Interior-
944 AM PST Wed Feb 13 2019

...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS AFTERNOON
ABOVE 1500 FEET...

* WINDS...south to southeast 20 to 30 mph with gusts to 50 mph.

* LOCATIONS INCLUDE...Kneeland, Fickle Hill, Bald Hills, and
  higher elevations surrounding the communities of Orleans, Willow
  Creek, Garberville, Bridgeville.

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

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

$$
399 
WWUS76 KEKA 132157
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
157 PM PST Wed Feb 13 2019

CAZ105-106-132300-
/O.CAN.KEKA.WI.Y.0007.000000T0000Z-190213T2300Z/
Northern Humboldt Interior-Southern Humboldt Interior-
157 PM PST Wed Feb 13 2019

...WIND ADVISORY IS CANCELLED...

The National Weather Service in Eureka has cancelled the Wind
Advisory. 

Breezy south to southeast winds from 15 to 25 mph with gusts to
35 mph are expected for the rest of the day. Southerly winds will
increase again across the higher elevations of southern Humboldt 
county late tonight and early Thursday morning, then rapidly 
shift to the west and increase behind the front on Thursday.


$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 12, 4:12 AM PSTWinter Storm WarningEKATrinity33 hr
Feb 12, 5:48 AM PSTFlood WatchEKAHumboldt, Mendocino, Trinity58 hr
Feb 12, 11:36 AM PSTRiver Flood WatchEKAMendocino22 hr
Feb 12, 2:29 PM PSTRiver Flood WatchEKAHumboldt19 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.