Alert archive / California / Wind Advisories in 2016

Wind Advisory 18, NWS Eureka, CA

October 14, 2016Humboldt County, Mendocino County, Trinity County, California

NWS Eureka, CA issued this wind advisory at Oct 14, 2016, 3:31 PM PDT for Humboldt County, Mendocino County, Trinity County, California. It took effect at Oct 15, 2016, 5:00 AM PDT. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Oct 14, 2016, 3:31 PM PDT (22:31 UTC)
In effect from
Oct 15, 2016, 5:00 AM PDT
Expired
Oct 15, 2016, 8:00 PM PDT
In force
15 hr
Issued by
NWS Eureka, CA

Counties Humboldt County, CA, Mendocino County, CA, Trinity County, CA

The radar

The Eureka (Bunker Hill) radar (KBHX), 73 km from the middle of the area, began a volume at 22:32 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, 10.5 hours before the alert went out and 241 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 2016-10-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 20 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 12:00Z on 2016-10-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 246 square meters per square second.1939587897117136156Sfc1 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
20 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
619 m above ground
0-6 km bulk shear
110 kt
0-1 km storm-relative helicity
246 m²/s²
0-3 km storm-relative helicity
223 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

140 
WWUS76 KEKA 142231
NPWEKA

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
331 PM PDT FRI OCT 14 2016

...A POTENT PACIFIC STORM SYSTEM WILL BRING STRONG SOUTH WINDS TO
NORTHWEST CALIFORNIA ON SATURDAY...

CAZ101-102-104>106-151300-
/O.UPG.KEKA.HW.A.0002.161015T1200Z-161016T0000Z/
/O.NEW.KEKA.HW.W.0002.161015T1200Z-161016T0000Z/
COASTAL DEL NORTE-DEL NORTE INTERIOR-SOUTHWESTERN HUMBOLDT-
NORTHERN HUMBOLDT INTERIOR-SOUTHERN HUMBOLDT INTERIOR-
331 PM PDT FRI OCT 14 2016

...HIGH WIND WARNING IN EFFECT FROM 5 AM TO 5 PM PDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 5 AM TO 5 PM PDT SATURDAY. THE
HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* WINDS...20 TO 40 MPH WITH GUSTS BETWEEN 50 AND 70 MPH.

* LOCATIONS INCLUDE...FOR ELEVATIONS ABOVE 2000 FT ALONG COASTAL
  INTERIOR MOUNTAIN RANGES. THIS INCLUDES THE COMMUNITIES OF
  KNEELAND...UPPER FICKLE HILL AND CRESCENT CITY.

* HIGHWAY IMPACTED...ELEVATED PORTIONS OF 36...101...199 AND 
  299. STRONG WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR 
  HIGH PROFILE VEHICLES. 

* THESE WINDS COULD DAMAGE TREES AND CAUSE POWER OUTAGES. 
  UNSECURED OBJECTS MAY BE LOST OR DAMAGED. HIKING IN THE FOREST 
  IS NOT RECOMMENDED DURING STRONG WINDS. 


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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

CAZ103-151300-
/O.UPG.KEKA.HW.A.0002.161015T1200Z-161016T0000Z/
/O.NEW.KEKA.WI.Y.0018.161015T1200Z-161016T0000Z/
NORTHERN HUMBOLDT COAST-
331 PM PDT FRI OCT 14 2016

...WIND ADVISORY IN EFFECT FROM 5 AM TO 5 PM PDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 5 AM TO 5 PM PDT SATURDAY. THE
HIGH WIND WATCH IS NO LONGER IN EFFECT. 


* WINDS...20 TO 35 MPH WITH GUSTS BETWEEN 45 AND 55 MPH.

* LOCATIONS INCLUDE...ENTIRE HUMBOLDT COASTLINE. STRONGEST WINDS
  WILL OCCUR ALONG COASTAL HEADLANDS AND EXPOSED AREAS. THIS
  INCLUDES HUMBOLDT BAY AND TRINIDAD HEAD.

* HIGHWAY IMPACTED...101 AND 299. STRONG WINDS WILL MAKE DRIVING 
  DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. 

* THESE WINDS COULD DAMAGE TREES AND CAUSE POWER OUTAGES. 
  UNSECURED OBJECTS MAY BE LOST OR DAMAGED. HIKING IN THE FOREST 
  IS NOT RECOMMENDED DURING STRONG WINDS. 

* 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.

&&

$$

CAZ107-108-151300-
/O.UPG.KEKA.HW.A.0002.161015T1700Z-161016T0300Z/
/O.NEW.KEKA.WI.Y.0018.161015T1800Z-161016T0300Z/
NORTHERN TRINITY-SOUTHERN TRINITY-
331 PM PDT FRI OCT 14 2016

...WIND ADVISORY IN EFFECT FROM 11 AM TO 8 PM PDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 11 AM TO 8 PM PDT SATURDAY.
THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* WINDS...20 TO 30 MPH WITH GUSTS TO 50 MPH.

* LOCATIONS INCLUDE...FOR ELEVATIONS ABOVE 3000 FT.

* HIGHWAY IMPACTED...ELEVATED PORTIONS OF 3...36 AND 299. STRONG 
  WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH 
  PROFILE VEHICLES. 

* THESE WINDS COULD DAMAGE TREES AND CAUSE POWER OUTAGES. 
  UNSECURED OBJECTS MAY BE LOST OR DAMAGED. HIKING IN THE FOREST 
  IS NOT RECOMMENDED DURING STRONG WINDS. 

* 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.

&&

$$

CAZ109>113-151300-
/O.NEW.KEKA.WI.Y.0018.161015T1800Z-161016T0300Z/
MENDOCINO COAST-NORTHWESTERN MENDOCINO INTERIOR-
NORTHEASTERN MENDOCINO INTERIOR-SOUTHWESTERN MENDOCINO INTERIOR-
SOUTHEASTERN MENDOCINO INTERIOR-
331 PM PDT FRI OCT 14 2016

...WIND ADVISORY IN EFFECT FROM 11 AM TO 8 PM PDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 11 AM TO 8 PM PDT SATURDAY. 

* WINDS...15 TO 30 MPH WITH GUSTS BETWEEN 40 AND 50 MPH.

* LOCATIONS INCLUDE...FORT BRAGG...POINT ARENA...LEGGETT AND
  WILLITS. 

* HIGHWAY(S) IMPACTED...1 AND 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.

&&

$$
2 follow-up statements
926 
WWUS76 KEKA 151058
NPWEKA

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
358 AM PDT SAT OCT 15 2016

...A POTENT PACIFIC STORM SYSTEM WILL BRING STRONG SOUTH WINDS TO
NORTHWEST CALIFORNIA ON SATURDAY...

CAZ101-102-104>106-160000-
/O.CON.KEKA.HW.W.0002.161015T1200Z-161016T0000Z/
COASTAL DEL NORTE-DEL NORTE INTERIOR-SOUTHWESTERN HUMBOLDT-
NORTHERN HUMBOLDT INTERIOR-SOUTHERN HUMBOLDT INTERIOR-
358 AM PDT SAT OCT 15 2016

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM PDT THIS
AFTERNOON...

* WINDS...20 TO 40 MPH WITH GUSTS BETWEEN 50 AND 70 MPH.

* LOCATIONS INCLUDE...FOR ELEVATIONS ABOVE 2000 FT ALONG COASTAL 
  INTERIOR MOUNTAIN RANGES. THIS INCLUDES THE COMMUNITIES OF 
  KNEELAND...UPPER FICKLE HILL AND CRESCENT CITY. 

* HIGHWAY IMPACTED...ELEVATED PORTIONS OF 36...101...199 AND 
  299. STRONG WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR 
  HIGH PROFILE VEHICLES. 

* THESE WINDS COULD DAMAGE TREES AND CAUSE POWER OUTAGES. 
  UNSECURED OBJECTS MAY BE LOST OR DAMAGED. HIKING IN THE FOREST 
  IS NOT RECOMMENDED DURING STRONG WINDS. 

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

CAZ103-160000-
/O.CON.KEKA.WI.Y.0018.161015T1200Z-161016T0000Z/
NORTHERN HUMBOLDT COAST-
358 AM PDT SAT OCT 15 2016

...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT THIS
AFTERNOON...

* WINDS...20 TO 35 MPH WITH GUSTS BETWEEN 45 AND 55 MPH.

* LOCATIONS INCLUDE...ENTIRE HUMBOLDT COASTLINE. STRONGEST WINDS 
  WILL OCCUR ALONG COASTAL HEADLANDS AND EXPOSED AREAS. THIS 
  INCLUDES HUMBOLDT BAY AND TRINIDAD HEAD. 

* HIGHWAY IMPACTED...101 AND 299. STRONG WINDS WILL MAKE DRIVING 
  DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. 

* THESE WINDS COULD DAMAGE TREES AND CAUSE POWER OUTAGES. 
  UNSECURED OBJECTS MAY BE LOST OR DAMAGED. HIKING IN THE FOREST 
  IS NOT RECOMMENDED DURING STRONG WINDS. 

* 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.

&&

$$

CAZ107>113-160000-
/O.CON.KEKA.WI.Y.0018.161015T1800Z-161016T0300Z/
NORTHERN TRINITY-SOUTHERN TRINITY-MENDOCINO COAST-
NORTHWESTERN MENDOCINO INTERIOR-NORTHEASTERN MENDOCINO INTERIOR-
SOUTHWESTERN MENDOCINO INTERIOR-SOUTHEASTERN MENDOCINO INTERIOR-
358 AM PDT SAT OCT 15 2016

...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
8 PM PDT THIS EVENING...

* WINDS...15 TO 30 MPH WITH GUSTS BETWEEN 40 AND 50 MPH.

* LOCATIONS INCLUDE...FORT BRAGG...POINT ARENA...LEGGETT AND 
  WILLITS. 

* HIGHWAY(S) IMPACTED...1 AND 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.

&&

$$
448 
WWUS76 KEKA 152243
NPWEKA

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
343 PM PDT SAT OCT 15 2016

...A POTENT PACIFIC STORM SYSTEM WILL BRING STRONG SOUTH WINDS TO
NORTHWEST CALIFORNIA ON SATURDAY...

CAZ101-102-104>106-152345-
/O.CAN.KEKA.HW.W.0002.000000T0000Z-161016T0000Z/
COASTAL DEL NORTE-DEL NORTE INTERIOR-SOUTHWESTERN HUMBOLDT-
NORTHERN HUMBOLDT INTERIOR-SOUTHERN HUMBOLDT INTERIOR-
343 PM PDT SAT OCT 15 2016

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS CANCELLED THE HIGH
WIND WARNING. 

WIDESPREAD STRONG WINDS HAVE DIMINISH IN HUMBOLDT AND DEL NORTE
COUNTIES. SHOWERS AND OCCASIONAL THUNDERSTORMS WILL CONTINUE THIS
EVENING. GUSTY WINDS TO 45 MPH ARE POSSIBLE IN THE STRONGER
STORMS.

$$

CAZ103-152345-
/O.CAN.KEKA.WI.Y.0018.000000T0000Z-161016T0000Z/
NORTHERN HUMBOLDT COAST-
343 PM PDT SAT OCT 15 2016

...WIND ADVISORY IS CANCELLED...

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

WIDESPREAD STRONG WINDS HAVE DIMINISH IN HUMBOLDT AND DEL NORTE
COUNTIES. SHOWERS AND OCCASIONAL THUNDERSTORMS WILL CONTINUE THIS
EVENING. GUSTY WINDS TO 45 MPH ARE POSSIBLE IN THE STRONGER
STORMS.

$$

CAZ107>113-160300-
/O.CON.KEKA.WI.Y.0018.000000T0000Z-161016T0300Z/
NORTHERN TRINITY-SOUTHERN TRINITY-MENDOCINO COAST-
NORTHWESTERN MENDOCINO INTERIOR-NORTHEASTERN MENDOCINO INTERIOR-
SOUTHWESTERN MENDOCINO INTERIOR-SOUTHEASTERN MENDOCINO INTERIOR-
343 PM PDT SAT OCT 15 2016

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING...

* WINDS...15 TO 30 MPH WITH GUSTS BETWEEN 40 AND 50 MPH.

* LOCATIONS INCLUDE...FORT BRAGG...POINT ARENA...LEGGETT AND 
  WILLITS. 

* HIGHWAY(S) IMPACTED...1 AND 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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 13, 5:14 PM PDTAreal Flood AdvisoryEKADel Norte4 hr
Oct 13, 9:03 PM PDTHazardous Seas WarningEKA6 hr
Oct 13, 9:21 PM PDTAreal Flood AdvisoryEKADel Norte114 min
Oct 13, 11:11 PM PDTAreal Flood AdvisoryEKADel Norte3 hr
Oct 13, 11:56 PM PDTHigh Wind WatchEKADel Norte, Humboldt, Trinity16 hr
Oct 14, 12:08 AM PDTGale WatchEKA14 hr
Oct 14, 12:08 AM PDTSmall Craft AdvisoryEKA27 hr
Oct 14, 12:08 AM PDTStorm WatchEKA14 hr
Oct 14, 1:24 PM PDTSpecial Weather StatementEKADel Norte36 min
Oct 14, 2:30 PM PDTGale WarningEKA27 hr
Oct 14, 2:30 PM PDTStorm WarningEKA25 hr
Oct 14, 3:31 PM PDTHigh Wind WarningEKADel Norte, Humboldt24 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.