Alert archive / California / Wind Advisories in 2017

Wind Advisory 7, NWS Eureka, CA

January 19, 2017Del Norte County, Humboldt County, Mendocino County, California

NWS Eureka, CA issued this wind advisory at Jan 19, 2017, 2:39 PM PST for Del Norte County, Humboldt County, Mendocino County, California. It took effect at Jan 19, 2017, 10:00 PM PST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Jan 19, 2017, 2:39 PM PST (22:39 UTC)
In effect from
Jan 19, 2017, 10:00 PM PST
Expired
Jan 20, 2017, 6:00 AM PST
In force
8 hr
Issued by
NWS Eureka, CA

Counties Del Norte County, CA, Humboldt County, CA, Mendocino County, CA

The radar

The Eureka (Bunker Hill) radar (KBHX), 47 km from the middle of the area, began a volume at 22:42 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, 10.7 hours before the alert went out and 210 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 2017-01-19Temperature 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 12:00Z on 2017-01-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 97 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
730 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
97 m²/s²
0-3 km storm-relative helicity
139 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

522 
WWUS76 KEKA 192239
NPWEKA

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
239 PM PST THU JAN 19 2017

CAZ102-104>106-110-112-113-201145-
/O.NEW.KEKA.WI.Y.0007.170120T0600Z-170120T1400Z/
DEL NORTE INTERIOR-SOUTHWESTERN HUMBOLDT-
NORTHERN HUMBOLDT INTERIOR-SOUTHERN HUMBOLDT INTERIOR-
NORTHWESTERN MENDOCINO INTERIOR-SOUTHWESTERN MENDOCINO INTERIOR-
SOUTHEASTERN MENDOCINO INTERIOR-
239 PM PST THU JAN 19 2017

...WIND ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 6 AM PST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 6 AM PST
FRIDAY. 

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

* LOCATIONS INCLUDE...EXPOSED HIGH ELEVATION AREAS AND COMMUNITIES
  THROUGHOUT THE COASTAL MOUNTAINS OF DEL NORTE...HUMBOLDT AND
  MENDOCINO COUNTIES. SPECIFIC LOCATIONS INCLUDE KNEELAND...BALD
  HILLS ROAD...AND THE HILLS SURROUNDING
  GASQUET...LAYTONVILLE...AND UKIAH...AMONG OTHERS.

* 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
246 
WWUS76 KEKA 201012
NPWEKA

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
212 AM PST FRI JAN 20 2017

CAZ102-104>106-110-112-113-201400-
/O.CON.KEKA.WI.Y.0007.000000T0000Z-170120T1400Z/
DEL NORTE INTERIOR-SOUTHWESTERN HUMBOLDT-
NORTHERN HUMBOLDT INTERIOR-SOUTHERN HUMBOLDT INTERIOR-
NORTHWESTERN MENDOCINO INTERIOR-SOUTHWESTERN MENDOCINO INTERIOR-
SOUTHEASTERN MENDOCINO INTERIOR-
212 AM PST FRI JAN 20 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM PST EARLY THIS
MORNING FOR ELEVATIONS ABOVE 2000 FT...

* WINDS...SUSTAINED WINDS 25 TO 35 MPH WITH GUSTS TO 60 MPH.

* LOCATIONS INCLUDE...EXPOSED HIGH ELEVATION AREAS AND 
  COMMUNITIES THROUGHOUT THE COASTAL MOUNTAINS OF DEL NORTE... 
  HUMBOLDT AND MENDOCINO COUNTIES. SPECIFIC LOCATIONS INCLUDE 
  KNEELAND...BALD HILLS ROAD...AND THE HILLS SURROUNDING 
  GASQUET...LAYTONVILLE...AND UKIAH...AMONG OTHERS. 

* 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.

&&

$$
369 
WWUS76 KEKA 201346
NPWEKA

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
546 AM PST FRI JAN 20 2017

CAZ102-104>106-110-112-113-201500-
/O.EXP.KEKA.WI.Y.0007.000000T0000Z-170120T1400Z/
DEL NORTE INTERIOR-SOUTHWESTERN HUMBOLDT-
NORTHERN HUMBOLDT INTERIOR-SOUTHERN HUMBOLDT INTERIOR-
NORTHWESTERN MENDOCINO INTERIOR-SOUTHWESTERN MENDOCINO INTERIOR-
SOUTHEASTERN MENDOCINO INTERIOR-
546 AM PST FRI JAN 20 2017

...WIND ADVISORY WILL EXPIRE AT 6 AM PST EARLY THIS MORNING...

THIS WILL BE THE FINAL STATEMENT ISSUED FOR THIS EVENT.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 18, 6:11 PM PSTHazardous Seas WarningEKA9 hr
Jan 19, 1:39 AM PSTSpecial Weather StatementEKAHumboldt51 min
Jan 19, 2:02 AM PSTSpecial Weather StatementEKAHumboldt43 min
Jan 19, 2:30 AM PSTGale WarningEKA25 hr
Jan 19, 2:30 AM PSTSmall Craft AdvisoryEKA19 hr
Jan 19, 4:44 AM PSTWinter Storm WatchEKATrinity9 hr
Jan 19, 4:44 AM PSTWinter Weather AdvisoryEKATrinity5 hr
Jan 19, 4:44 AM PSTWinter Weather AdvisoryEKADel Norte, Humboldt, Mendocino, Trinity56 hr
Jan 19, 8:57 AM PSTRiver Flood WatchEKAMendocino6 hr
Jan 19, 11:55 AM PSTHigh Surf WarningEKADel Norte, Humboldt, Mendocino52 hr
Jan 19, 2:00 PM PSTWinter Storm WarningEKATrinity22 hr
Jan 19, 2:51 PM PSTRiver Flood WarningEKAMendocino32 hr
Jan 19, 3:21 PM PSTHazardous Seas WarningEKA51 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.