Alert archive / California / Wind Advisories in 2017

Wind Advisory 9, NWS Eureka, CA

February 1, 2017Del Norte County, Humboldt County, California

NWS Eureka, CA issued this wind advisory at Feb 1, 2017, 2:58 PM PST for Del Norte County, Humboldt County, California. It took effect at Feb 1, 2017, 10:00 PM PST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Feb 1, 2017, 2:58 PM PST (22:58 UTC)
In effect from
Feb 1, 2017, 10:00 PM PST
Expired
Feb 2, 2017, 10:00 AM PST
In force
12 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 23:00 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, 11.0 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 2017-02-01Temperature 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 2017-02-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 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
1382 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
137 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

292 
WWUS76 KEKA 012258
NPWEKA

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
258 PM PST WED FEB 1 2017

...WINDY OVER THE EXPOSED HIGHER TERRAIN TONIGHT...

CAZ102-104>106-020800-
/O.NEW.KEKA.WI.Y.0009.170202T0600Z-170202T1200Z/
DEL NORTE INTERIOR-SOUTHWESTERN HUMBOLDT-
NORTHERN HUMBOLDT INTERIOR-SOUTHERN HUMBOLDT INTERIOR-
258 PM PST WED FEB 1 2017

...WIND ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 4 AM PST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 4 AM PST
THURSDAY. 

* WINDS...SOUTHEAST GUSTS AROUND 50 MPH LATE TONIGHT ABOVE 2000
  FEET.

* HIGHWAY IMPACTED...299 NEAR BERRY SUMMIT. 

* LOCATIONS INCLUDE...EXPOSED RURAL AREAS ABOVE 2000 FEET. 

* 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.

&&

$$
4 follow-up statements
995 
WWUS76 KEKA 020551
NPWEKA

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
951 PM PST WED FEB 1 2017

...WINDY OVER THE EXPOSED HIGHER TERRAIN TONIGHT...

CAZ102-104>106-021200-
/O.CON.KEKA.WI.Y.0009.170202T0600Z-170202T1200Z/
DEL NORTE INTERIOR-SOUTHWESTERN HUMBOLDT-
NORTHERN HUMBOLDT INTERIOR-SOUTHERN HUMBOLDT INTERIOR-
951 PM PST WED FEB 1 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY...

* WINDS...SOUTHEAST GUSTS AROUND 50 MPH LATE TONIGHT ABOVE 2000 
  FEET. 

* HIGHWAY IMPACTED...299 NEAR BERRY SUMMIT.

* LOCATIONS INCLUDE...EXPOSED RURAL AREAS ABOVE 2000 FEET.

* 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.

&&

$$
637 
WWUS76 KEKA 021127
NPWEKA

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

...WINDS WILL REMAIN STRONG OVER HIGH TERRAIN AND IN THE EEL RIVER
DELTA THROUGH THE MORNING. WINDS ARE EXPECTED TO RELAX SLIGHTLY
DURING THE DAY...BUT WILL REMAIN BREEZY THROUGH FRIDAY AND MAY 
INCREASE AGAIN THIS EVENING AND OVERNIGHT...

CAZ102-021230-
/O.CAN.KEKA.WI.Y.0009.000000T0000Z-170202T1200Z/
DEL NORTE INTERIOR-
327 AM PST THU FEB 2 2017

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS CANCELLED THE WIND
ADVISORY FOR DEL NORTE COUNTY. 

WIND SPEEDS HAVE GENERALLY REMAINED LIGHTER IN DEL NORTE COUNTY
THAN IN AREAS FARTHER TO THE SOUTH, ALLOWING FOR THE CANCELLATION
OF THE WIND ADVISORY. 

$$

CAZ104>106-021500-
/O.EXT.KEKA.WI.Y.0009.000000T0000Z-170202T1500Z/
SOUTHWESTERN HUMBOLDT-NORTHERN HUMBOLDT INTERIOR-
SOUTHERN HUMBOLDT INTERIOR-
327 AM PST THU FEB 2 2017

...WIND ADVISORY NOW IN EFFECT UNTIL 7 AM PST THIS MORNING...

* WINDS...SOUTHEAST GUSTS AROUND 50 MPH LATE TONIGHT ABOVE 2000 
  FEET. 

* HIGHWAY IMPACTED...299 NEAR BERRY SUMMIT...BALD HILLS ROAD.

* LOCATIONS INCLUDE...EXPOSED RURAL AREAS ABOVE 2000
  FEET...KNEELAND.

* 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.

&&

$$
121 
WWUS76 KEKA 021448
NPWEKA

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

...WINDS WILL REMAIN STRONG OVER HIGH TERRAIN AND IN THE EEL
RIVER DELTA THROUGH THE MORNING. WINDS ARE EXPECTED TO RELAX
SLIGHTLY DURING THE DAY...BUT WILL REMAIN BREEZY THROUGH FRIDAY
AND MAY INCREASE AGAIN THIS EVENING AND OVERNIGHT...

CAZ104>106-021800-
/O.EXT.KEKA.WI.Y.0009.000000T0000Z-170202T1800Z/
SOUTHWESTERN HUMBOLDT-NORTHERN HUMBOLDT INTERIOR-
SOUTHERN HUMBOLDT INTERIOR-
648 AM PST THU FEB 2 2017

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

* WINDS...SOUTHEAST GUSTS AROUND 50 MPH LATE TONIGHT ABOVE 2000 
  FEET. 

* HIGHWAY IMPACTED...299 NEAR BERRY SUMMIT...BALD HILLS ROAD.

* LOCATIONS INCLUDE...EXPOSED RURAL AREAS ABOVE 2000 FEET... 
  KNEELAND. 

* 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.

&&

$$
520 
WWUS76 KEKA 021743
NPWEKA

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

CAZ104>106-021845-
/O.EXP.KEKA.WI.Y.0009.000000T0000Z-170202T1800Z/
SOUTHWESTERN HUMBOLDT-NORTHERN HUMBOLDT INTERIOR-
SOUTHERN HUMBOLDT INTERIOR-
943 AM PST THU FEB 2 2017

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

WINDS MAY GUST UP TO 40 MPH FOR A FEW HOURS THIS MORNING FOR 
ELEVATIONS ABOVE 2000 FEET. ANOTHER FRONTAL SYSTEM WILL BRING 
ELEVATED WINDS LATE THIS AFTERNOON AND THROUGH THE EVENING. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 1, 12:03 PM PSTWinter Weather AdvisoryEKA21 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.