Alert archive / California / Wind Advisories in 2019

Wind Advisory 5, NWS Eureka, CA

January 31, 2019Humboldt County, Mendocino County, California

NWS Eureka, CA issued this wind advisory at Jan 31, 2019, 3:06 AM PST for Humboldt County, Mendocino County, California. It took effect at Feb 1, 2019, 5:00 PM PST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Jan 31, 2019, 3:06 AM PST (11:06 UTC)
In effect from
Feb 1, 2019, 5:00 PM PST
Expired
Feb 2, 2019, 2:32 AM PST
In force
10 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 11:09 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, 11.1 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 2019-01-31Temperature 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 2019-01-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.1939Sfc1 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
2402 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
36 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

190 
WWUS76 KEKA 311106
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
306 AM PST Thu Jan 31 2019

...Strong southerly winds expected Friday night and Saturday...

.A compact storm will approach Cape Mendocino from the southwest
on Friday, resulting in strong southeast winds for the higher 
elevations and coastal headlands. The storm will meander about
offshore on Saturday and the threat for strong winds will
continue.

CAZ109-312330-
/O.NEW.KEKA.WI.Y.0005.190202T0000Z-190203T0000Z/
Mendocino Coast-
306 AM PST Thu Jan 31 2019

...WIND ADVISORY IN EFFECT FROM 4 PM FRIDAY TO 4 PM PST
SATURDAY...

The National Weather Service in Eureka has issued a Wind
Advisory...which is in effect from 4 PM Friday to 4 PM PST
Saturday. 

* WINDS...gusts from 40 to 50 mph.

* LOCATIONS INCLUDE...Fort Bragg and Point Arena.

* HIGHWAYS IMPACTED...1.

* 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.

&&

$$

CAZ104-106-110-112-113-312330-
/O.NEW.KEKA.WI.Y.0005.190201T2100Z-190203T0000Z/
Southwestern Humboldt-Southern Humboldt Interior-
Northwestern Mendocino Interior-Southwestern Mendocino Interior-
Southeastern Mendocino Interior-
306 AM PST Thu Jan 31 2019

...WIND ADVISORY IN EFFECT FROM 1 PM FRIDAY TO 4 PM PST SATURDAY
ABOVE 1500 FEET...

The National Weather Service in Eureka has issued a Wind
Advisory...which is in effect from 1 PM Friday to 4 PM PST
Saturday. 

* WINDS...gusts from 50 to 60 mph.

* LOCATIONS INCLUDE...Higher elevations around Petrolia, Honeydew,
  Ettersberg, Garberville, Bridgeville, Leggett, Laytonville,
  Willits, Boonville, Comptche, Ukiah, Hopland.

* HIGHWAYS IMPACTED...36, 101, 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.

&&

$$
4 follow-up statements
934 
WWUS76 KEKA 312332
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
332 PM PST Thu Jan 31 2019

...Strong southerly winds expected Friday night and Saturday...

.A compact storm will approach Cape Mendocino from the southwest
on Friday, resulting in strong southeast winds for the higher
elevations and coastal headlands. The storm will meander about
offshore on Saturday and the threat for strong winds will
continue.

CAZ109-011245-
/O.CON.KEKA.WI.Y.0005.190202T0000Z-190203T0000Z/
Mendocino Coast-
332 PM PST Thu Jan 31 2019

...WIND ADVISORY REMAINS IN EFFECT FROM 4 PM FRIDAY TO 4 PM PST
SATURDAY...

* WINDS...Gusts from 40 to 50 mph.

* LOCATIONS INCLUDE...Fort Bragg and Point Arena.

* HIGHWAYS IMPACTED...Highway 1.

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

$$

CAZ104-106-110-112-113-011245-
/O.CON.KEKA.WI.Y.0005.190201T2100Z-190203T0000Z/
Southwestern Humboldt-Southern Humboldt Interior-
Northwestern Mendocino Interior-Southwestern Mendocino Interior-
Southeastern Mendocino Interior-
332 PM PST Thu Jan 31 2019

...WIND ADVISORY REMAINS IN EFFECT FROM 1 PM FRIDAY TO 4 PM PST
SATURDAY ABOVE 1500 FEET...

* WINDS...Gusts from 50 to 60 mph.

* LOCATIONS INCLUDE...Higher elevation ridges and hilltops around
  Petrolia, Honeydew, Ettersberg, Garberville, Bridgeville, 
  Leggett, Laytonville, Willits, Boonville, Comptche, Ukiah, 
  Hopland.

* HIGHWAYS IMPACTED...Exposed higher elevation portions of
  Highways 36, 101, and 128.

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

$$
492 
WWUS76 KEKA 011156
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
356 AM PST Fri Feb 1 2019

...Strong southeast winds tonight and early Saturday...

.A storm will approach Cape Mendocino from the southwest late 
today, resulting in strong southeast winds for the higher 
elevations and coastal headlands tonight. The storm will meander 
about offshore early Saturday morning before heading southward.

CAZ109-020300-
/O.EXT.KEKA.WI.Y.0005.190202T0100Z-190202T1800Z/
Mendocino Coast-
356 AM PST Fri Feb 1 2019

...WIND ADVISORY NOW IN EFFECT FROM 5 PM THIS AFTERNOON TO 10 AM
PST SATURDAY...

* WINDS...EAST TO SOUTHEAST GUSTS UP TO 50 MPH.

* LOCATIONS INCLUDE...Fort Bragg and Point Arena.

* HIGHWAYS IMPACTED...1.

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

$$

CAZ104-106-110-112-113-020300-
/O.EXT.KEKA.WI.Y.0005.190202T0100Z-190202T1800Z/
Southwestern Humboldt-Southern Humboldt Interior-
Northwestern Mendocino Interior-Southwestern Mendocino Interior-
Southeastern Mendocino Interior-
356 AM PST Fri Feb 1 2019

...WIND ADVISORY NOW IN EFFECT FROM 5 PM THIS AFTERNOON TO 10 AM
PST SATURDAY ABOVE 1500 FEET...

* WINDS...EAST TO SOUTHEAST GUSTS UP TO 50 MPH.

* LOCATIONS INCLUDE...Higher elevations around Boonville, 
  Comptche, Ukiah, Hopland, Leggett, Laytonville, Willits, 
  Petrolia, Honeydew, Ettersberg, Garberville, Bridgeville.

* HIGHWAYS IMPACTED...36, 101, 128.

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

$$
254 
WWUS76 KEKA 012130
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
130 PM PST Fri Feb 1 2019

...Strong southeast winds tonight and early Saturday...

.A storm will approach Cape Mendocino from the southwest tonight,
before heading toward the Bay Area on Saturday. This will bring
strong southeast winds to the higher elevations and coastal 
headlands tonight. Winds will diminish on Saturday. 

CAZ109-021030-
/O.CON.KEKA.WI.Y.0005.190202T0100Z-190202T1800Z/
Mendocino Coast-
130 PM PST Fri Feb 1 2019

...WIND ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO
10 AM PST SATURDAY...

* WINDS...Southeast winds sustained 20 to 30 mph with gusts around
  45 mph. 

* LOCATIONS INCLUDE...Fort Bragg and Point Arena.

* HIGHWAYS IMPACTED...Highway 1.

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

$$

CAZ104-106-110-112-113-021030-
/O.CON.KEKA.WI.Y.0005.190202T0100Z-190202T1800Z/
Southwestern Humboldt-Southern Humboldt Interior-
Northwestern Mendocino Interior-Southwestern Mendocino Interior-
Southeastern Mendocino Interior-
130 PM PST Fri Feb 1 2019

...WIND ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO
10 AM PST SATURDAY ABOVE 1500 FEET...

* WINDS...Southeast winds sustained 25 to 35 mph with gusts up to
  55 mph.

* LOCATIONS INCLUDE...Higher elevation ridges and hilltops around
  Boonville, Comptche, Ukiah, Hopland, Leggett, Laytonville, 
  Willits, Petrolia, Honeydew, Ettersberg, Garberville, 
  Bridgeville.

* HIGHWAYS IMPACTED...Exposed higher elevation portions of Highway
  36, 101, 128.

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

$$
996 
WWUS76 KEKA 021032
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
232 AM PST Sat Feb 2 2019


CAZ104-106-109-110-112-113-021145-
/O.CAN.KEKA.WI.Y.0005.000000T0000Z-190202T1800Z/
Southwestern Humboldt-Southern Humboldt Interior-Mendocino Coast-
Northwestern Mendocino Interior-Southwestern Mendocino Interior-
Southeastern Mendocino Interior-
232 AM PST Sat Feb 2 2019

...WIND ADVISORY IS CANCELLED...

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

Gusts from 30 to 40 mph are expected through the morning hours. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 31, 2:35 AM PSTGale WatchEKA20 hr
Jan 31, 2:35 AM PSTGale WarningEKA55 hr
Jan 31, 2:35 AM PSTSmall Craft AdvisoryEKA37 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.