Alert archive / California / High Wind Warnings in 2017

High Wind Warning 2, NWS Eureka, CA

January 21, 2017Del Norte County, Humboldt County, Mendocino County, California

NWS Eureka, CA issued this high wind warning at Jan 21, 2017, 3:34 AM PST for Del Norte County, Humboldt County, Mendocino County, California. It took effect at Jan 21, 2017, 7:00 PM PST. It was in force for 8 hr. 8 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jan 21, 2017, 3:34 AM PST (11:34 UTC)
In effect from
Jan 21, 2017, 7:00 PM PST
Expired
Jan 22, 2017, 2:56 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 11:36 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.

What was reported inside it

TimeReportWhereRemark
Jan 21, 9:27 PM PSTNON-TSTM WND GST 48Cutten, CA.
Jan 21, 10:35 PM PSTNON-TSTM WND GST 483 S Fortuna, CAPEAK WIND GUST MEASURED AT FORTUNA ROHNERVILLE AIRPORT.
Jan 21, 10:36 PM PSTNON-TSTM WND GST 04 Sw Eureka, CAPEAK WIND GUST MEASURED AT THE NORTH SPIT WEATHER STATION.
Jan 21, 11:01 PM PSTNON-TSTM WND GST 8511 Wsw Weitchpec, CAPEAK WIND GUST RECORDED BY SCHOOLHOUSE PEAK RAWS. SUSTAINED WIND OF 52 MPH.
Jan 21, 11:43 PM PSTNON-TSTM WND DMGEureka, CATREE LIMBS DOWN, 2 INCH DIAMETER, 4 TO 6 FT LONG
Jan 21, 11:55 PM PSTNON-TSTM WND GST 51Wsw Arcata Arpt, CAPEAK WIND GUST AT ARCATA AIRPORT ASOS.
Jan 22, 12:55 AM PSTNON-TSTM WND GST 635 Sw Maple Creek, CAPEAK WIND GUST MEASURED BY KNEELAND AIRPORT RAWS.
Jan 22, 1:55 AM PSTNON-TSTM WND GST 74Crescent City, CA

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Medford/Jackson, OR (KMFR), launched 00:00Z, 11.6 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 00:00Z on 2017-01-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 48 joules per kilogram.LCLLFCEL10008507005003002001001 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 2017-01-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 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
48 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
1357 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
131 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

336 
WWUS76 KEKA 211134
NPWEKA

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
334 AM PST SAT JAN 21 2017

...ANOTHER VIGOROUS WINTER STORM WILL BRING STRONG SOUTH AND
SOUTHEAST WINDS TO THE COAST AND COASTAL INTERIOR AREAS TONIGHT...

CAZ101-104-220045-
/O.NEW.KEKA.HW.W.0002.170122T0400Z-170122T1000Z/
COASTAL DEL NORTE-SOUTHWESTERN HUMBOLDT-
334 AM PST SAT JAN 21 2017

...HIGH WIND WARNING IN EFFECT FROM 8 PM THIS EVENING TO 2 AM PST
SUNDAY...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO 2 AM PST
SUNDAY. 

* WINDS...SOUTH AND SOUTHEAST WINDS OF 25 TO 35 MPH WITH LOCALLY
  HIGHER GUSTS RANGING FROM 45 TO 60 MPH.

* LOCATIONS INCLUDE...CRESCENT CITY...SMITH RIVER...SHELTER
  COVE...PATROLIA...HONEYDEW AND ETTERSBERG.

* HIGHWAYS IMPACTED...PORTIONS OF HWY 101 AND 199. STRONG WINDS
  CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
  VEHICLES.

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WRH.NOAA.GOV/MAP

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

CAZ102-105-106-110-112-220045-
/O.NEW.KEKA.HW.W.0002.170122T0300Z-170122T1100Z/
DEL NORTE INTERIOR-NORTHERN HUMBOLDT INTERIOR-
SOUTHERN HUMBOLDT INTERIOR-NORTHWESTERN MENDOCINO INTERIOR-
SOUTHWESTERN MENDOCINO INTERIOR-
334 AM PST SAT JAN 21 2017

...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 3 AM PST
SUNDAY FOR COASTAL MOUNTAIN COMMUNITIES ABOVE 1500 FEET...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 3 AM PST
SUNDAY. 

* WINDS...SOUTH AND SOUTHEAST WINDS 35 TO 45 MPH...WITH LOCALLY
  HIGHER GUSTS RANGING FROM 55 TO 70 MPH. 

* LOCATIONS INCLUDE...KNEELAND...BALD HILLS ROAD...UPPER FICKLE
  HILL...UPPER GREENWOOD HEIGHTS...BEAR RIVER HILLS.

* HIGHWAYS IMPACTED...PORTIONS OF HWY 299 AND HWY 36. STRONG
  WINDS CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE
  VEHICLES.

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WRH.NOAA.GOV/MAP

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

CAZ103-109-220045-
/O.NEW.KEKA.WI.Y.0008.170122T0400Z-170122T1100Z/
NORTHERN HUMBOLDT COAST-MENDOCINO COAST-
334 AM PST SAT JAN 21 2017

...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 3 AM PST
SUNDAY...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO 3 AM PST
SUNDAY. 

* WINDS...SOUTH AND SOUTHEAST WIND 20 TO 35 MPH WITH LOCALLY
  HIGHER GUSTS RANGING FROM 40 TO 50 MPH.

* LOCATIONS INCLUDE...TRINIDAD...ARCATA...EUREKA...FORTUNA...FORT
  BRAGG AND POINT ARENA.

* HIGHWAYS IMPACTED...1...101...299 AND 36. STRONG WINDS CAN MAKE
  DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES.

* 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
697 
WWUS76 KEKA 212102
NPWEKA

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
102 PM PST SAT JAN 21 2017

...ANOTHER VIGOROUS WINTER STORM WILL BRING STRONG SOUTHERLY WINDS
TO PORTIONS OF THE COAST AND INTERIOR TONIGHT...

CAZ101-104-221000-
/O.CON.KEKA.HW.W.0002.170122T0400Z-170122T1000Z/
COASTAL DEL NORTE-SOUTHWESTERN HUMBOLDT-
102 PM PST SAT JAN 21 2017

...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO
2 AM PST SUNDAY...

* WINDS...SOUTH AND SOUTHEAST WINDS OF 25 TO 35 MPH WITH GUSTS TO
  60 MPH.

* LOCATIONS INCLUDE...CRESCENT CITY...SMITH RIVER...SHELTER 
  COVE...PATROLIA...HONEYDEW AND ETTERSBERG. 

* HIGHWAYS IMPACTED...PORTIONS OF HWY 101 AND 199. STRONG WINDS 
  CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE 
  VEHICLES. 

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WRH.NOAA.GOV/MAP 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

CAZ102-105-106-110-112-221015-
/O.CON.KEKA.HW.W.0002.170122T0300Z-170122T1100Z/
DEL NORTE INTERIOR-NORTHERN HUMBOLDT INTERIOR-
SOUTHERN HUMBOLDT INTERIOR-NORTHWESTERN MENDOCINO INTERIOR-
SOUTHWESTERN MENDOCINO INTERIOR-
102 PM PST SAT JAN 21 2017

...HIGH WIND WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO
3 AM PST SUNDAY...

* WINDS...SOUTH AND SOUTHEAST WINDS 35 TO 45 MPH...WITH LOCALLY
  HIGHER GUSTS TO 70 MPH.

* LOCATIONS INCLUDE...KNEELAND...BALD HILLS ROAD...UPPER FICKLE 
  HILL...UPPER GREENWOOD HEIGHTS...BEAR RIVER HILLS. 

* HIGHWAYS IMPACTED...PORTIONS OF HWY 299 AND HWY 36. STRONG 
  WINDS CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE 
  VEHICLES. 

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WRH.NOAA.GOV/MAP 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

CAZ103-109-221015-
/O.CON.KEKA.WI.Y.0008.170122T0400Z-170122T1100Z/
NORTHERN HUMBOLDT COAST-MENDOCINO COAST-
102 PM PST SAT JAN 21 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 3 AM
PST SUNDAY...

* WINDS...SOUTH AND SOUTHEAST WIND 20 TO 35 MPH WITH LOCALLY 
  HIGHER GUSTS RANGING FROM 40 TO 50 MPH. 

* LOCATIONS INCLUDE...TRINIDAD...ARCATA...EUREKA...FORTUNA...
  FORT BRAGG AND POINT ARENA. 

* HIGHWAYS IMPACTED...1...101...299 AND 36. STRONG WINDS CAN 
  MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. 

* 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.

&&

$$
655 
WWUS76 KEKA 221001
NPWEKA

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
201 AM PST SUN JAN 22 2017

...ANOTHER VIGOROUS WINTER STORM WILL BRING STRONG SOUTHERLY
WINDS TO PORTIONS OF THE COAST AND INTERIOR TONIGHT...

CAZ103-109-221115-
/O.CAN.KEKA.WI.Y.0008.000000T0000Z-170122T1100Z/
NORTHERN HUMBOLDT COAST-MENDOCINO COAST-
201 AM PST SUN JAN 22 2017

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS CANCELLED THE WIND
ADVISORY. 

WINDS WILL CONTINUE TO GUST TO AROUND 30 TO 40 MPH TROUGH 4AM PST.

$$

CAZ101-104-221115-
/O.EXT.KEKA.HW.W.0002.000000T0000Z-170122T1100Z/
COASTAL DEL NORTE-SOUTHWESTERN HUMBOLDT-
201 AM PST SUN JAN 22 2017

...HIGH WIND WARNING NOW IN EFFECT UNTIL 3 AM PST EARLY THIS
MORNING...

* WINDS...SOUTH WINDS OF 25 TO 35 MPH WITH GUSTS TO 60 MPH.

* LOCATIONS INCLUDE...CRESCENT CITY...SMITH RIVER...SHELTER 
  COVE...PATROLIA...HONEYDEW AND ETTERSBERG. 

* HIGHWAYS IMPACTED...PORTIONS OF HWY 101 AND 199. STRONG WINDS 
  CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE 
  VEHICLES. 

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WRH.NOAA.GOV/MAP 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

CAZ102-105-106-110-112-221115-
/O.CON.KEKA.HW.W.0002.000000T0000Z-170122T1100Z/
DEL NORTE INTERIOR-NORTHERN HUMBOLDT INTERIOR-
SOUTHERN HUMBOLDT INTERIOR-NORTHWESTERN MENDOCINO INTERIOR-
SOUTHWESTERN MENDOCINO INTERIOR-
201 AM PST SUN JAN 22 2017

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 AM PST EARLY THIS
MORNING...

* WINDS...SOUTH AND SOUTHEAST WINDS 35 TO 45 MPH...WITH LOCALLY 
  HIGHER GUSTS TO 70 MPH. 

* LOCATIONS INCLUDE...KNEELAND...BALD HILLS ROAD...UPPER FICKLE 
  HILL...UPPER GREENWOOD HEIGHTS...BEAR RIVER HILLS. 

* HIGHWAYS IMPACTED...PORTIONS OF HWY 299 AND HWY 36. STRONG 
  WINDS CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE 
  VEHICLES. 

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WRH.NOAA.GOV/MAP 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$
249 
WWUS76 KEKA 221056
NPWEKA

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
256 AM PST SUN JAN 22 2017

...STRONG AND DAMAGING WINDS HAVE ENDED...

.THE STRONG AND DAMAGING WINDS HAVE ENDED. A LOW WEST OF OREGON
WILL CONTINUE TO PRODUCE LOCALLY WINDY CONDITIONS TODAY THROUGH
MONDAY, PRIMARILY OVER THE RIDGES AND NEAR THE COASTLINE.

CAZ101-102-104>106-110-112-221200-
/O.CAN.KEKA.HW.W.0002.000000T0000Z-170122T1100Z/
COASTAL DEL NORTE-DEL NORTE INTERIOR-SOUTHWESTERN HUMBOLDT-
NORTHERN HUMBOLDT INTERIOR-SOUTHERN HUMBOLDT INTERIOR-
NORTHWESTERN MENDOCINO INTERIOR-SOUTHWESTERN MENDOCINO INTERIOR-
256 AM PST SUN JAN 22 2017

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS CANCELLED THE HIGH
WIND WARNING. 

EVEN THOUGH THE MOST POWERFUL WINDS HAVE ENDED...IT WILL CONTINUE
TO BE LOCALLY WINDY TODAY THROUGH MONDAY. WINDS WILL RANGE FROM
15 TO 30 MPH ALONG THE COAST AND OVER THE RIDGES. HIGHER GUSTS
WILL BE POSSIBLE AROUND SHOWERS AND THUNDERSTORMS TODAY AND
TONIGHT.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 20, 9:07 PM PSTStorm WarningEKA29 hr
Jan 21, 3:34 AM PSTWind AdvisoryEKAHumboldt, Mendocino22 hr
Jan 21, 2:32 PM PSTWinter Storm WarningEKATrinity21 hr
Jan 21, 2:32 PM PSTWinter Weather AdvisoryEKADel Norte, Humboldt, Mendocino, Trinity55 hr
Jan 21, 3:45 PM PSTRiver Flood WarningEKAMendocino26 hr
Jan 21, 3:56 PM PSTHigh Surf AdvisoryEKADel Norte, Humboldt, Mendocino6 hr

Nearby

High Wind Warnings in California, 2017Every high wind warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.