Alert archive / California / Wind Advisories in 2018

Wind Advisory 15, NWS Eureka, CA

December 13, 2018Del Norte County, Humboldt County, California

NWS Eureka, CA issued this wind advisory at Dec 13, 2018, 1:15 AM PST for Del Norte County, Humboldt County, California. It took effect at Dec 14, 2018, 3:00 AM PST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Dec 13, 2018, 1:15 AM PST (09:15 UTC)
In effect from
Dec 14, 2018, 3:00 AM PST
Expired
Dec 14, 2018, 12:00 PM PST
In force
9 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 09:13 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, 9.3 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 00:00Z on 2018-12-13Temperature 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 2018-12-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 square meters per square second.1939587897117Sfc1 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
1107 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
120 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

068 
WWUS76 KEKA 130915
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
115 AM PST Thu Dec 13 2018

CAZ101-132215-
/O.NEW.KEKA.WI.Y.0015.181214T0800Z-181214T1500Z/
Coastal Del Norte-
115 AM PST Thu Dec 13 2018

...WIND ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM PST
FRIDAY...

The National Weather Service in Eureka has issued a Wind
Advisory...which is in effect from midnight tonight to 7 AM PST
Friday. 

* WINDS...South 10 to 20 mph during the evening...then increasing
  to 20 to 30 mph with higher gusts ranging from 40 to 50 mph 
  after midnight. 

* LOCATIONS INCLUDE...Crescent City and surrounding communities.

* HIGHWAY(S) IMPACTED...Elevated portions of HWY 101.

* 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 or greater are
expected. Winds this strong can make driving difficult,
especially for high profile vehicles. Use extra caution.

&&

$$

CAZ102-105-106-132215-
/O.NEW.KEKA.WI.Y.0015.181214T0800Z-181214T1500Z/
Del Norte Interior-Northern Humboldt Interior-
Southern Humboldt Interior-
115 AM PST Thu Dec 13 2018

...WIND ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 7 AM PST
FRIDAY FOR ELEVATIONS ABOVE 1500 FEET ALONG THE COASTAL HILLS...

The National Weather Service in Eureka has issued a Wind
Advisory...which is in effect from midnight tonight to 7 AM PST
Friday. 

* WINDS...South 15 to 25 mph during the evening...then increasing
  to 25 to 35 mph with Gusts ranging from 40 to 50 mph after
  midnight.

* LOCATIONS INCLUDE...Elevated communities including
  Kneeland...Bear River...Fickle Hill and the Bald Hills.

* HIGHWAY(S) IMPACTED...Elevated Passes along HWY 199...HWY 299
  HWY 36 and Bald Hills Road.

* 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 or greater are
expected. Winds this strong can make driving difficult,
especially for high profile vehicles. Use extra caution.

&&

$$
3 follow-up statements
908 
WWUS76 KEKA 131939
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
1139 AM PST Thu Dec 13 2018

CAZ104-141200-
/O.EXB.KEKA.WI.Y.0015.181214T1100Z-181214T1900Z/
Southwestern Humboldt-
1139 AM PST Thu Dec 13 2018

...WIND ADVISORY IN EFFECT FROM 3 AM TO 11 AM PST FRIDAY ABOVE
1500 FEET...

The National Weather Service in Eureka has issued a Wind
Advisory...which is in effect from 3 AM to 11 AM PST Friday. 

* WINDS...Gusts to around 50 mph. 

* LOCATIONS INCLUDE...Exposed locations in the King Range and
  surrounding hills around Petrolia and Honeydew.

* HIGHWAY(S) IMPACTED...101.

* 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 or greater are
expected. Winds this strong can make driving difficult,
especially for high profile vehicles. Use extra caution.

&&

$$

CAZ101-141200-
/O.EXT.KEKA.WI.Y.0015.181214T1100Z-181214T1900Z/
Coastal Del Norte-
1139 AM PST Thu Dec 13 2018

...WIND ADVISORY NOW IN EFFECT FROM 3 AM TO 11 AM PST FRIDAY...

* WINDS...Gusts to around 50 mph. 

* LOCATIONS INCLUDE...Crescent City and vicinity.

* HIGHWAY(S) IMPACTED...101.

* 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 or greater are
expected. Winds this strong can make driving difficult,
especially for high profile vehicles. Use extra caution.

&&

$$

CAZ102-105-106-141200-
/O.EXT.KEKA.WI.Y.0015.181214T1100Z-181214T1900Z/
Del Norte Interior-Northern Humboldt Interior-
Southern Humboldt Interior-
1139 AM PST Thu Dec 13 2018

...WIND ADVISORY NOW IN EFFECT FROM 3 AM TO 11 AM PST FRIDAY
ABOVE 1500 FEET...

* WINDS...Gusts to around 50 mph.

* LOCATIONS INCLUDE...Kneeland...Bear River...Fickle Hill and 
  the Bald Hills.

* HIGHWAY(S) IMPACTED...199...299...101 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 or greater are
expected. Winds this strong can make driving difficult,
especially for high profile vehicles. Use extra caution.

&&

$$
526 
WWUS76 KEKA 141058
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
258 AM PST Fri Dec 14 2018

CAZ101-142000-
/O.EXT.KEKA.WI.Y.0015.181214T1100Z-181214T2000Z/
Coastal Del Norte-
258 AM PST Fri Dec 14 2018

...WIND ADVISORY NOW IN EFFECT UNTIL NOON PST TODAY...

* WINDS...South 20 to 30 mph with higher gusts ranging from 40 to
  50 mph through mid morning.

* LOCATIONS INCLUDE...Crescent City and surrounding communities.

* HIGHWAY(S) IMPACTED...Portions of Hwy 101.

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

$$

CAZ102-104>106-142000-
/O.EXT.KEKA.WI.Y.0015.181214T1100Z-181214T2000Z/
Del Norte Interior-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
258 AM PST Fri Dec 14 2018

...WIND ADVISORY NOW IN EFFECT UNTIL NOON PST TODAY FOR
COMMUNITIES ABOVE 1500 FEET IN ELEVATION...

* WINDS...South 25 to 35 mph...with gusts ranging from 40 to 50
  mph through noon. 

* LOCATIONS INCLUDE...Kneeland...Bear River...Fickle Hill and the
  Bald Hills. Hills and exposed areas surrounding Petrolia and
  Honeydew. 

* HIGHWAY(S) IMPACTED......199...299...101 and 36.

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

$$
325 
WWUS76 KEKA 141952
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
1152 AM PST Fri Dec 14 2018

CAZ101-142100-
/O.EXP.KEKA.WI.Y.0015.000000T0000Z-181214T2000Z/
Coastal Del Norte-
1152 AM PST Fri Dec 14 2018

...WIND ADVISORY WILL EXPIRE AT NOON PST TODAY...

Strong winds will diminish this afternoon. Another
storm will bring a threat for strong winds this weekend.


$$

CAZ102-104>106-142100-
/O.EXP.KEKA.WI.Y.0015.000000T0000Z-181214T2000Z/
Del Norte Interior-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
1152 AM PST Fri Dec 14 2018

...WIND ADVISORY WILL EXPIRE AT NOON PST TODAY ABOVE 1500 FEET...

Strong winds will diminish this afternoon. Another
storm will bring a threat for strong winds this weekend.


$$

Nearby

Wind Advisories in California, 2018Every wind advisory in 2018

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.