Alert archive / California / Wind Advisories in 2017

Wind Advisory 10, NWS Eureka, CA

February 2, 2017Del Norte County, Humboldt County, California

NWS Eureka, CA issued this wind advisory at Feb 2, 2017, 10:42 AM PST for Del Norte County, Humboldt County, California. It took effect at Feb 2, 2017, 4:00 PM PST. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Feb 2, 2017, 10:42 AM PST (18:42 UTC)
In effect from
Feb 2, 2017, 4:00 PM PST
Expired
Feb 3, 2017, 10:00 AM PST
In force
18 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 18:43 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, 6.7 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 12:00Z on 2017-02-02Temperature 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 2017-02-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 square meters per square second.19395878Sfc1 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
1511 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
87 m²/s²
0-3 km storm-relative helicity
253 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

174 
WWUS76 KEKA 021842
NPWEKA

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
1042 AM PST THU FEB 2 2017

CAZ102-104>106-030700-
/O.NEW.KEKA.WI.Y.0010.170203T0000Z-170203T0700Z/
DEL NORTE INTERIOR-SOUTHWESTERN HUMBOLDT-
NORTHERN HUMBOLDT INTERIOR-SOUTHERN HUMBOLDT INTERIOR-
1042 AM PST THU FEB 2 2017

...WIND ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 11 PM PST
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 11 PM
PST THIS EVENING. 

* WINDS...SOUTHEASTERLY GUSTS 45 TO 55 MPH.

* LOCATIONS INCLUDE...KNEELAND...FICKLE HILL...BALD HILLS ROAD...
AND OTHER EXPOSED RIDGE TOPS.

* HIGHWAYS IMPACTED...299 AND 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.

&&

$$
3 follow-up statements
356 
WWUS76 KEKA 030000
NPWEKA

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
400 PM PST THU FEB 2 2017

CAZ102-104>106-031300-
/O.EXT.KEKA.WI.Y.0010.000000T0000Z-170203T1800Z/
DEL NORTE INTERIOR-SOUTHWESTERN HUMBOLDT-
NORTHERN HUMBOLDT INTERIOR-SOUTHERN HUMBOLDT INTERIOR-
400 PM PST THU FEB 2 2017

...WIND ADVISORY NOW IN EFFECT UNTIL 10 AM PST FRIDAY...

* WINDS...SOUTHEASTERLY GUSTS 45 TO 55 MPH. WINDS WILL DECREASE 
  LATE FRIDAY MORNING. 

* LOCATIONS INCLUDE...KNEELAND...FICKLE HILL...BALD HILLS ROAD... AND
  OTHER EXPOSED RIDGE TOPS.

* HIGHWAYS IMPACTED...299 AND 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.

&&

$$
799 
WWUS76 KEKA 031246
NPWEKA

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
446 AM PST FRI FEB 3 2017

CAZ102-104>106-031800-
/O.CON.KEKA.WI.Y.0010.000000T0000Z-170203T1800Z/
DEL NORTE INTERIOR-SOUTHWESTERN HUMBOLDT-
NORTHERN HUMBOLDT INTERIOR-SOUTHERN HUMBOLDT INTERIOR-
446 AM PST FRI FEB 3 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING...

* WINDS...SOUTHEASTERLY GUSTS 45 TO 55 MPH. WINDS WILL DECREASE
  LATER THIS MORNING. 

* LOCATIONS INCLUDE...KNEELAND...FICKLE HILL...BALD HILLS ROAD...
   AND OTHER EXPOSED RIDGE TOPS. 

* HIGHWAYS IMPACTED...299 AND 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.

&&

$$
864 
WWUS76 KEKA 031750
NPWEKA

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
950 AM PST FRI FEB 3 2017

CAZ102-104>106-031900-
/O.EXP.KEKA.WI.Y.0010.000000T0000Z-170203T1800Z/
DEL NORTE INTERIOR-SOUTHWESTERN HUMBOLDT-
NORTHERN HUMBOLDT INTERIOR-SOUTHERN HUMBOLDT INTERIOR-
950 AM PST FRI FEB 3 2017

...WIND ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING...

GUSTY WINDS WILL CONTINUE OVER THE EXPOSED HIGHER TERRAIN
TODAY. A FEW SITES WILL CONTINUE TO GUST AROUND 40 TO 45 MPH
THROUGH THIS EVENING. 

$$

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.