Alert archive / California / Wind Advisories in 2017

Wind Advisory 32, NWS Eureka, CA

November 7, 2017Del Norte County, Humboldt County, California

NWS Eureka, CA issued this wind advisory at Nov 7, 2017, 3:20 AM PST for Del Norte County, Humboldt County, California. It took effect at Nov 8, 2017, 4:00 AM PST. It was in force for 23 hr.

The area

The counties it named.

The facts

Issued
Nov 7, 2017, 3:20 AM PST (11:20 UTC)
In effect from
Nov 8, 2017, 4:00 AM PST
Expired
Nov 9, 2017, 3:15 AM PST
In force
23 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 11:22 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, 11.3 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 2017-11-07Temperature 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 00:00Z on 2017-11-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -25 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
1266 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
-25 m²/s²
0-3 km storm-relative helicity
54 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

571 
WWUS76 KEKA 071120
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
320 AM PST Tue Nov 7 2017


CAZ101-103-080030-
/O.NEW.KEKA.WI.Y.0032.171108T1800Z-171109T0500Z/
/O.CON.KEKA.FR.Y.0029.000000T0000Z-171107T1600Z/
Coastal Del Norte-Northern Humboldt Coast-
320 AM PST Tue Nov 7 2017

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST THIS MORNING...
...WIND ADVISORY IN EFFECT FROM 10 AM TO 9 PM PST WEDNESDAY...

The National Weather Service in Eureka has issued a Wind
Advisory...which is in effect from 10 AM to 9 PM PST Wednesday. 

* Frosty conditions possible this morning with temperatures 33 to
  36 degrees. 

* LOCATIONS INCLUDE...Crescent City...Arcata...Eureka... ...
  Fortuna. 


* WINDS...20 to 30 mph above 1000 feet and around coastal
  headlands. Gusts near 45 mph possible. 

* HIGHWAY(S) IMPACTED...Hwy 101.

* 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.

&&

$$

CAZ102-104>106-080030-
/O.NEW.KEKA.WI.Y.0032.171108T1200Z-171109T1200Z/
/O.CON.KEKA.FR.Y.0029.000000T0000Z-171107T1600Z/
Del Norte Interior-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
320 AM PST Tue Nov 7 2017

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST THIS MORNING...
...WIND ADVISORY IN EFFECT FROM 4 AM WEDNESDAY TO 4 AM PST
THURSDAY ABOVE 1000 FEET...

The National Weather Service in Eureka has issued a Wind
Advisory...which is in effect from 4 AM Wednesday to 4 AM PST
Thursday. 


* LOCATIONS INCLUDE...Gasquet...Petrolia...Honeydew... ...
  Ettersberg...Orleans...Willow Creek...Garberville... Bridgeville.

* Temperatures will drop to around 33 to 36 in the valleys. Local
  areas may see freezing temperatures. 


* WINDS For Wednesday...20 to 30 mph with gusts to 40 and 50 mph.
  

* HIGHWAY(S) IMPACTED...Hwy 199...Hwy 101...Hwy 299...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 ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

CAZ109-112-113-071600-
/O.CON.KEKA.FR.Y.0029.000000T0000Z-171107T1600Z/
Mendocino Coast-Southwestern Mendocino Interior-
Southeastern Mendocino Interior-
320 AM PST Tue Nov 7 2017

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST THIS MORNING...

* LOCATIONS INCLUDE...Fort Bragg...Point Arena...Ukiah... 
  Hopland...Boonville...Comptche.

* Temperatures will drop to around 33 to 36 in the valleys. Local
  areas may see freezing temperatures. 

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

$$
8 follow-up statements
477 
WWUS76 KEKA 071548
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
748 AM PST Tue Nov 7 2017

CAZ101-103-080500-
/O.EXP.KEKA.FR.Y.0029.000000T0000Z-171107T1600Z/
/O.CON.KEKA.WI.Y.0032.171108T1800Z-171109T0500Z/
Coastal Del Norte-Northern Humboldt Coast-
748 AM PST Tue Nov 7 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM TO 9 PM PST
WEDNESDAY...
...FROST ADVISORY WILL EXPIRE AT 8 AM PST THIS MORNING...

* WINDS...20 to 30 mph above 1000 feet and around coastal
  headlands. Gusts near 45 mph possible.

* LOCATIONS INCLUDE...Crescent City...Arcata...Eureka... ...
  Fortuna.

* HIGHWAY(S) IMPACTED...Hwy 101.

* 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.

&&

$$

CAZ102-104>106-080500-
/O.EXP.KEKA.FR.Y.0029.000000T0000Z-171107T1600Z/
/O.CON.KEKA.WI.Y.0032.171108T1200Z-171109T1200Z/
Del Norte Interior-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
748 AM PST Tue Nov 7 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 4 AM WEDNESDAY TO 4 AM
PST THURSDAY ABOVE 1000 FEET...
...FROST ADVISORY WILL EXPIRE AT 8 AM PST THIS MORNING...

* WINDS...20 to 30 mph with gusts to 40 and 50 mph.

* LOCATIONS INCLUDE...Gasquet...Petrolia...Honeydew... ...
  Ettersberg...Orleans...Willow Creek...Garberville... Bridgeville.

* HIGHWAY(S) IMPACTED...Hwy 199...Hwy 101...Hwy 299...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.

&&

$$

CAZ109-112-113-071700-
/O.EXP.KEKA.FR.Y.0029.000000T0000Z-171107T1600Z/
Mendocino Coast-Southwestern Mendocino Interior-
Southeastern Mendocino Interior-
748 AM PST Tue Nov 7 2017

...FROST ADVISORY WILL EXPIRE AT 8 AM PST THIS MORNING...


$$
593 
WWUS76 KEKA 072244
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
244 PM PST Tue Nov 7 2017

CAZ101-103-081145-
/O.CON.KEKA.WI.Y.0032.171108T1800Z-171109T0500Z/
Coastal Del Norte-Northern Humboldt Coast-
244 PM PST Tue Nov 7 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM TO 9 PM PST
WEDNESDAY...

* WINDS...20 to 30 mph above 1000 feet and around coastal
  headlands. Gusts near 45 mph possible.

* LOCATIONS INCLUDE...Crescent City...Arcata...Eureka... 
  Fortuna.

* HIGHWAY(S) IMPACTED...Hwy 101.

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

$$

CAZ102-104>106-081145-
/O.CON.KEKA.WI.Y.0032.171108T1200Z-171109T1200Z/
Del Norte Interior-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
244 PM PST Tue Nov 7 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 4 AM WEDNESDAY TO 4 AM
PST THURSDAY ABOVE 1000 FEET...

* WINDS...20 to 30 mph with gusts to 40 and 50 mph.

* LOCATIONS INCLUDE...Gasquet...Orleans...Willow ...Creek...
  Petrolia...Honeydew...Ettersberg...Garberville...Bridgeville.

* HIGHWAY(S) IMPACTED...Hwy 199...Hwy 101...Hwy 299...HWY 36.

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

$$
999 
WWUS76 KEKA 080045
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
445 PM PST Tue Nov 7 2017

CAZ101-103-081345-
/O.CON.KEKA.WI.Y.0032.171108T1800Z-171109T0500Z/
Coastal Del Norte-Northern Humboldt Coast-
445 PM PST Tue Nov 7 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM TO 9 PM PST
WEDNESDAY...

* WINDS...20 to 30 mph around coastal headlands. Gusts near 45 
  mph possible.

* LOCATIONS INCLUDE...Crescent City...Trinidad...Cape Mendocino.

* HIGHWAYS IMPACTED...Hwy 101.

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

$$

CAZ102-104>106-081345-
/O.CON.KEKA.WI.Y.0032.171108T1200Z-171109T1200Z/
Del Norte Interior-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
445 PM PST Tue Nov 7 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 4 AM WEDNESDAY TO 4 AM
PST THURSDAY ABOVE 1000 FEET...

* WINDS...20 to 30 mph with gusts 45 to 65 mph above 1000 feet.

* LOCATIONS INCLUDE...Kneeland...Berry Summit...Bald Hills Road.

* HIGHWAYS IMPACTED...Hwy 199...Hwy 299...Hwy 101...Hwy 36.

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

$$
416 
WWUS76 KEKA 081048
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
248 AM PST Wed Nov 8 2017

...A strong storm system will bring gusty south winds today with
more robust gusts possible at higher elevations...

CAZ101-103-090500-
/O.CON.KEKA.WI.Y.0032.171108T1800Z-171109T0500Z/
Coastal Del Norte-Northern Humboldt Coast-
248 AM PST Wed Nov 8 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
9 PM PST THIS EVENING...

* WINDS...20 to 30 mph around coastal headlands. Gusts near 45 
  mph possible.

* LOCATIONS INCLUDE...Crescent City...Trinidad...Cape Mendocino.

* HIGHWAYS IMPACTED...Hwy 101.

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

$$

CAZ102-104>106-090515-
/O.CON.KEKA.WI.Y.0032.171108T1200Z-171109T1200Z/
Del Norte Interior-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
248 AM PST Wed Nov 8 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY ABOVE
1000 FEET...

* WINDS...20 to 30 mph with gusts 45 to 65 mph above 1000 feet.
  Nearly 70 mph gusts possible at highest peaks. 

* LOCATIONS INCLUDE...Kneeland...Berry Summit...Bald Hills Road.

* HIGHWAYS IMPACTED...Hwy 199...Hwy 299...Hwy 101...Hwy 36.

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

$$
256 
WWUS76 KEKA 082238
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
238 PM PST Wed Nov 8 2017

...A strong storm system will bring gusty south winds with more 
robust gusts possible at higher elevations...

CAZ101-103-090500-
/O.CON.KEKA.WI.Y.0032.000000T0000Z-171109T0500Z/
Coastal Del Norte-Northern Humboldt Coast-
238 PM PST Wed Nov 8 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM PST THIS EVENING...

* WINDS...20 to 30 mph around coastal headlands. Gusts near 45 
  mph possible.

* LOCATIONS INCLUDE...Crescent City...Trinidad...Cape Mendocino.

* HIGHWAY(S) IMPACTED...Hwy 101.

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

$$

CAZ102-104>106-091145-
/O.CON.KEKA.WI.Y.0032.000000T0000Z-171109T1200Z/
Del Norte Interior-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
238 PM PST Wed Nov 8 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY ABOVE
1000 FEET...

* WINDS...20 to 30 mph with gusts 45 to 65 mph above 1000 feet.
  Nearly 70 mph gusts possible at highest peaks.

* LOCATIONS INCLUDE...Kneeland...Berry Summit...Bald Hills Road.

* HIGHWAY(S) IMPACTED...Hwy 199...Hwy 299...Hwy 101...Hwy 36.

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

$$
654 
WWUS76 KEKA 090233
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
633 PM PST Wed Nov 8 2017

CAZ101-103-090345-
/O.CAN.KEKA.WI.Y.0032.000000T0000Z-171109T0500Z/
Coastal Del Norte-Northern Humboldt Coast-
633 PM PST Wed Nov 8 2017

...WIND ADVISORY IS CANCELLED...

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

$$

CAZ102-104>106-091200-
/O.CON.KEKA.WI.Y.0032.000000T0000Z-171109T1200Z/
Del Norte Interior-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
633 PM PST Wed Nov 8 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY ABOVE
1000 FEET...

* WINDS...Gusts around 55 mph possible above 1000 feet later 
  tonight.
 
* LOCATIONS INCLUDE...Kneeland...Berry Summit...Bald Hills Road.

* HIGHWAY(S) IMPACTED...Hwy 199...Hwy 299...Hwy 101...Hwy 36.

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

$$
429 
WWUS76 KEKA 090707
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
1107 PM PST Wed Nov 8 2017


CAZ102-104>106-091200-
/O.CON.KEKA.WI.Y.0032.000000T0000Z-171109T1200Z/
Del Norte Interior-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
1107 PM PST Wed Nov 8 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY ABOVE
1000 FEET...

* WINDS...Gusts around 55 mph possible above 1000 feet.

* LOCATIONS INCLUDE...Kneeland...Berry Summit...Bald Hills Road.

* HIGHWAY(S) IMPACTED...Hwy 199...Hwy 299...Hwy 101...Hwy 36.

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

$$
582 
WWUS76 KEKA 091115
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
315 AM PST Thu Nov 9 2017

CAZ102-104>106-091215-
/O.CAN.KEKA.WI.Y.0032.000000T0000Z-171109T1200Z/
Del Norte Interior-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
315 AM PST Thu Nov 9 2017

...WIND ADVISORY IS CANCELLED...

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

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 7, 3:32 AM PSTGale WarningEKA38 hr
Nov 7, 3:32 AM PSTSmall Craft AdvisoryEKA38 hr

Nearby

Wind Advisories in California, 2017Every wind advisory in 2017

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.