Alert archive / California / Wind Advisories in 2016

Wind Advisory 20, NWS Eureka, CA

November 24, 2016Del Norte County, Humboldt County, California

NWS Eureka, CA issued this wind advisory at Nov 24, 2016, 3:09 AM PST for Del Norte County, Humboldt County, California. It took effect at Nov 24, 2016, 4:00 PM PST. It was in force for 17 hr.

The area

The counties it named.

The facts

Issued
Nov 24, 2016, 3:09 AM PST (11:09 UTC)
In effect from
Nov 24, 2016, 4:00 PM PST
Expired
Nov 25, 2016, 8:51 AM PST
In force
17 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 11:14 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, 11.2 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.

Skew-T log-pSkew-T log-p diagram, Medford/Jackson, OR at 00:00Z on 2016-11-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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 2016-11-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 square meters per square second.1939587897117Sfc1 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
1 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
960 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
87 m²/s²
0-3 km storm-relative helicity
248 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

048 
WWUS76 KEKA 241109
NPWEKA

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
309 AM PST THU NOV 24 2016

CAZ102-104>106-250015-
/O.NEW.KEKA.WI.Y.0020.161125T0000Z-161125T1500Z/
DEL NORTE INTERIOR-SOUTHWESTERN HUMBOLDT-
NORTHERN HUMBOLDT INTERIOR-SOUTHERN HUMBOLDT INTERIOR-
309 AM PST THU NOV 24 2016

...WIND ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 AM PST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 AM
PST FRIDAY. 

* WINDS...SOUTH-SOUTHEAST 15 TO 25 MPH WITH GUSTS 40 TO 50 MPH.

* LOCATIONS INCLUDE...EXPOSED RIDGES OF DEL NORTE AND HUMBOLDT
  COUNTIES INCLUDING KNEELAND.

* HIGHWAYS IMPACTED...199 AND 299. INCLUDES BERRY SUMMIT ON
  HIGHWAY 299 AND NEAR THE COLLIER TUNNEL ON HIGHWAY 199. STRONG
  WINDS CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
  VEHICLES.

* 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.

&&

$$

CAZ101-250015-
/O.NEW.KEKA.WI.Y.0020.161125T0000Z-161125T1500Z/
COASTAL DEL NORTE-
309 AM PST THU NOV 24 2016

...WIND ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 AM PST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 AM
PST FRIDAY. 

* WINDS...SOUTH-SOUTHEAST 15 TO 25 MPH WITH GUSTS TO 45 MPH.

* LOCATIONS INCLUDE...CRESCENT CITY AND OTHER COASTAL AREAS OF DEL
  NORTE COUNTY.

* HIGHWAYS IMPACTED...101. STRONG WINDS CAN MAKE DRIVING
  DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES.

* 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.

&&

$$

CAZ112-241700-
/O.CON.KEKA.FR.Y.0016.000000T0000Z-161124T1700Z/
SOUTHWESTERN MENDOCINO INTERIOR-
309 AM PST THU NOV 24 2016

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING...

* LOW TEMPERATURES...MID 30S.

* LOCATIONS INCLUDE...THE ANDERSON VALLEY...BOONVILLE...AND 
  SURROUNDING WIND SHELTERED AREAS. 

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WRH.NOAA.GOV/MAP 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$
4 follow-up statements
060 
WWUS76 KEKA 241621
NPWEKA

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
821 AM PST THU NOV 24 2016


CAZ112-241730-
/O.CAN.KEKA.FR.Y.0016.000000T0000Z-161124T1700Z/
SOUTHWESTERN MENDOCINO INTERIOR-
821 AM PST THU NOV 24 2016

...FROST ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS CANCELLED THE FROST
ADVISORY. 

TEMPERATURES HAVE BEEN RAPIDLY WARMING UP THIS MORNING AND
THE ADVISORY FOR FROST IS NO LONGER NECESSARY,

$$

CAZ102-104>106-250530-
/O.CON.KEKA.WI.Y.0020.161125T0000Z-161125T1500Z/
DEL NORTE INTERIOR-SOUTHWESTERN HUMBOLDT-
NORTHERN HUMBOLDT INTERIOR-SOUTHERN HUMBOLDT INTERIOR-
821 AM PST THU NOV 24 2016

...WIND ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO
7 AM PST FRIDAY...

* WINDS...SOUTH-SOUTHEAST 15 TO 25 MPH WITH GUSTS 40 TO 50 MPH.

* LOCATIONS INCLUDE...EXPOSED RIDGES OF DEL NORTE AND HUMBOLDT 
  COUNTIES INCLUDING KNEELAND. 

* HIGHWAYS IMPACTED...199 AND 299. INCLUDES BERRY SUMMIT ON 
  HIGHWAY 299 AND NEAR THE COLLIER TUNNEL ON HIGHWAY 199. STRONG 
  WINDS CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE 
  VEHICLES. 

* 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.

&&

$$

CAZ101-250530-
/O.CON.KEKA.WI.Y.0020.161125T0000Z-161125T1500Z/
COASTAL DEL NORTE-
821 AM PST THU NOV 24 2016

...WIND ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO
7 AM PST FRIDAY...

* WINDS...SOUTH-SOUTHEAST 15 TO 25 MPH WITH GUSTS TO 45 MPH.

* LOCATIONS INCLUDE...CRESCENT CITY AND OTHER COASTAL AREAS OF 
  DEL NORTE COUNTY. 

* HIGHWAYS IMPACTED...101. STRONG WINDS CAN MAKE DRIVING 
  DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. 

* 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.

&&

$$
983 
WWUS76 KEKA 250516
NPWEKA

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
916 PM PST THU NOV 24 2016

CAZ102-104>106-251500-
/O.EXT.KEKA.WI.Y.0020.000000T0000Z-161125T1700Z/
DEL NORTE INTERIOR-SOUTHWESTERN HUMBOLDT-
NORTHERN HUMBOLDT INTERIOR-SOUTHERN HUMBOLDT INTERIOR-
916 PM PST THU NOV 24 2016

...WIND ADVISORY NOW IN EFFECT UNTIL 9 AM PST FRIDAY...

* WINDS...SOUTH-SOUTHEAST 15 TO 25 MPH WITH GUSTS 40 TO 50 MPH.

* LOCATIONS INCLUDE...EXPOSED RIDGES OF DEL NORTE AND HUMBOLDT 
  COUNTIES INCLUDING KNEELAND. 

* HIGHWAYS IMPACTED...199 AND 299. INCLUDES BERRY SUMMIT ON 
  HIGHWAY 299 AND NEAR THE COLLIER TUNNEL ON HIGHWAY 199. STRONG 
  WINDS CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE 
  VEHICLES. 

* 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.

&&

$$

CAZ101-251500-
/O.CON.KEKA.WI.Y.0020.000000T0000Z-161125T1500Z/
COASTAL DEL NORTE-
916 PM PST THU NOV 24 2016

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM PST FRIDAY...

* WINDS...SOUTH-SOUTHEAST 15 TO 25 MPH WITH GUSTS TO 45 MPH.

* LOCATIONS INCLUDE...CRESCENT CITY AND OTHER COASTAL AREAS OF 
  DEL NORTE COUNTY. 

* HIGHWAYS IMPACTED...101. STRONG WINDS CAN MAKE DRIVING 
  DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. 

* 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.

&&

$$
079 
WWUS76 KEKA 251447
NPWEKA

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
647 AM PST FRI NOV 25 2016

CAZ101-251600-
/O.EXP.KEKA.WI.Y.0020.000000T0000Z-161125T1500Z/
COASTAL DEL NORTE-
647 AM PST FRI NOV 25 2016

...WIND ADVISORY WILL EXPIRE AT 7 AM THIS MORNING...

WINDS WILL INCREASE AGAIN LATE THIS AFTERNOON AND THIS EVENING...
AND ANOTHER WIND ADVISORY MAY BE NEEDED.

$$

CAZ102-104>106-251700-
/O.CON.KEKA.WI.Y.0020.000000T0000Z-161125T1700Z/
DEL NORTE INTERIOR-SOUTHWESTERN HUMBOLDT-
NORTHERN HUMBOLDT INTERIOR-SOUTHERN HUMBOLDT INTERIOR-
647 AM PST FRI NOV 25 2016

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 AM THIS MORNING...

* WINDS...SOUTHEAST TO SOUTH 15 TO 25 MPH WITH GUSTS OF 40 TO 50
  MPH.

* LOCATIONS INCLUDE...EXPOSED RIDGES OF DEL NORTE AND HUMBOLDT 
  COUNTIES INCLUDING KNEELAND. 

* HIGHWAYS IMPACTED...199 AND 299. INCLUDES BERRY SUMMIT ON 
  HIGHWAY 299 AND NEAR THE COLLIER TUNNEL ON HIGHWAY 199. STRONG 
  WINDS CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE 
  VEHICLES. 

* 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.

$$
198 
WWUS76 KEKA 251651
NPWEKA

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
851 AM PST FRI NOV 25 2016

...VERY WINDY CONDITIONS FOR THE HIGHER ELEVATIONS THIS
EVENING....

CAZ102-104>106-260900-
/O.CAN.KEKA.WI.Y.0020.000000T0000Z-161125T1700Z/
/O.NEW.KEKA.WI.Y.0021.161126T0100Z-161126T0900Z/
DEL NORTE INTERIOR-SOUTHWESTERN HUMBOLDT-
NORTHERN HUMBOLDT INTERIOR-SOUTHERN HUMBOLDT INTERIOR-
851 AM PST FRI NOV 25 2016

...WIND ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 1 AM PST
SATURDAY FOR ELEVATIONS ABOVE 2000 FEET...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 1 AM
PST SATURDAY.

* WINDS...SOUTHEAST TO SOUTH INCREASING TO 25 TO 35 MPH WITH GUSTS
  TO AROUND 50 MPH THIS EVENING. WINDS WILL DIMINISH EARLY
  SATURDAY MORNING.

* LOCATIONS INCLUDE...ELEVATIONS AT OR ABOVE 2000 FEET IN DEL
  NORTE AND HUMBOLDT COUNTIES...INCLUDING KNEELAND. 

* HIGHWAYS IMPACTED...199 AND 299. INCLUDES BERRY SUMMIT ON
  HIGHWAY 299 AND NEAR THE COLLIER TUNNEL ON HIGHWAY 199. 

* 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 TO 55 MPH ARE
EXPECTED. WINDS THIS STRONG WILL MAKE DRIVING DIFFICULT.
USE EXTRA CAUTION.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 23, 9:36 PM PSTFrost AdvisoryEKAMendocino11 hr
Nov 24, 3:26 AM PSTFlood WatchEKADel Norte, Humboldt29 hr

Nearby

Wind Advisories in California, 2016Every wind advisory in 2016

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.