Alert archive / California / Wind Advisories in 2018

Wind Advisory 16, NWS Eureka, CA

December 15, 2018Del Norte County, Humboldt County, California

NWS Eureka, CA issued this wind advisory at Dec 15, 2018, 2:52 AM PST for Del Norte County, Humboldt County, California. It took effect at Dec 16, 2018, 2:00 AM PST. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Dec 15, 2018, 2:52 AM PST (10:52 UTC)
In effect from
Dec 16, 2018, 2:00 AM PST
Expired
Dec 16, 2018, 1:00 PM PST
In force
11 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 10:55 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, 10.9 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 2018-12-15Temperature 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 2018-12-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 125 square meters per square second.1939587897Sfc1 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
901 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
125 m²/s²
0-3 km storm-relative helicity
100 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

153 
WWUS76 KEKA 151052
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
252 AM PST Sat Dec 15 2018

CAZ101-160000-
/O.NEW.KEKA.WI.Y.0016.181216T1000Z-181216T1800Z/
Coastal Del Norte-
252 AM PST Sat Dec 15 2018

...WIND ADVISORY IN EFFECT FROM 2 AM TO 10 AM PST SUNDAY...

The National Weather Service in Eureka has issued a Wind
Advisory...which is in effect from 2 AM to 10 AM PST Sunday. 

* WINDS...South and Southeast 15 to 25 mph later this evening.
  South wind then increasing to 25 to 35 mph after midnight with 
  higher gusts to 50 mph through mid morning Sunday. 
 
* 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

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.

&&

$$

CAZ102-105-106-160000-
/O.NEW.KEKA.WI.Y.0016.181216T1000Z-181216T2000Z/
Del Norte Interior-Northern Humboldt Interior-
Southern Humboldt Interior-
252 AM PST Sat Dec 15 2018

...WIND ADVISORY IN EFFECT FROM 2 AM TO NOON PST SUNDAY FOR 
COASTAL HILL COMMUNITIES ABOVE 1500 FEET IN ELEVATION...

The National Weather Service in Eureka has issued a Wind
Advisory...which is in effect from 2 AM to noon PST Sunday. 

* WINDS...South and Southeast winds increasing to 25 to 35 mph
  late tonight. Higher gusts from 45 to 55 mph are expected after
  midnight and through mid day Sunday. 

* LOCATIONS INCLUDE...Kneeland...Bear River...Fickle Hill...Bald
  Hills...and surrounding hills above Petrolia and Honeydew.|

* HIGHWAY(S) IMPACTED...Elevated portions and passes along Hwy
  199...Hwy 299...HWY 96...Hwy 101...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.

&&

$$
4 follow-up statements
773 
WWUS76 KEKA 152126
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
126 PM PST Sat Dec 15 2018

...Another storm to bring a new round of strong winds late 
tonight and Sunday...

CAZ103-161200-
/O.EXB.KEKA.WI.Y.0016.181216T1600Z-181216T2100Z/
Northern Humboldt Coast-
126 PM PST Sat Dec 15 2018

...WIND ADVISORY IN EFFECT FROM 8 AM TO 1 PM PST SUNDAY...

The National Weather Service in Eureka has issued a Wind
Advisory...which is in effect from 8 AM to 1 PM PST Sunday. 

* WINDS...Southerly gusts to around 45 mph. 

* LOCATIONS INCLUDE...Arcata...Eureka...Fortuna...Ferndale... 
  Bear River and Fickle Hill.

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

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

$$

CAZ104-161200-
/O.EXB.KEKA.WI.Y.0016.181216T1000Z-181216T2100Z/
Southwestern Humboldt-
126 PM PST Sat Dec 15 2018

...WIND ADVISORY IN EFFECT FROM 2 AM TO 1 PM PST SUNDAY ABOVE
1500 FEET...

The National Weather Service in Eureka has issued a Wind
Advisory...which is in effect from 2 AM to 1 PM PST Sunday. 

* WINDS...Southerly gusts to around 55 mph. 

* LOCATIONS INCLUDE...Surrounding hills above Petrolia...Honeydew
  and Ettersberg.

* HIGHWAY(S) IMPACTED...101.

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

$$

CAZ101-161200-
/O.EXT.KEKA.WI.Y.0016.181216T1000Z-181216T2100Z/
Coastal Del Norte-
126 PM PST Sat Dec 15 2018

...WIND ADVISORY NOW IN EFFECT FROM 2 AM TO 1 PM PST SUNDAY...

* WINDS...Southerly gusts to around 50 mph. 

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

* HIGHWAY(S) IMPACTED...101.

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


$$

CAZ102-105-106-161200-
/O.EXT.KEKA.WI.Y.0016.181216T1000Z-181216T2100Z/
Del Norte Interior-Northern Humboldt Interior-
Southern Humboldt Interior-
126 PM PST Sat Dec 15 2018

...WIND ADVISORY NOW IN EFFECT FROM 2 AM TO 1 PM PST SUNDAY ABOVE
1500 FEET...

* WINDS...Southerly gusts to around 55 mph.
 
* LOCATIONS INCLUDE...Kneeland and other communities in the hills above
  1500 feet.
  

* HIGHWAY(S) IMPACTED...199...299...96...101 and 36.

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

$$
899 
WWUS76 KEKA 160129
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
529 PM PST Sat Dec 15 2018

...Another storm to bring a new round of strong winds late
tonight and Sunday...

CAZ101-161430-
/O.CON.KEKA.WI.Y.0016.181216T1000Z-181216T2100Z/
Coastal Del Norte-
529 PM PST Sat Dec 15 2018

...WIND ADVISORY REMAINS IN EFFECT FROM 2 AM TO 1 PM PST SUNDAY...

* WINDS...Southerly gusts to around 50 mph. 

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

* HIGHWAY(S) IMPACTED...101.

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

$$

CAZ103-161430-
/O.CON.KEKA.WI.Y.0016.181216T1600Z-181216T2100Z/
Northern Humboldt Coast-
529 PM PST Sat Dec 15 2018

...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM TO 1 PM PST SUNDAY...

* WINDS...Southerly gusts to around 45 mph. 

* LOCATIONS INCLUDE...Arcata...Eureka...Fortuna...Ferndale... 
  Bear River and Fickle Hill.

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

$$

CAZ102-104>106-161430-
/O.CON.KEKA.WI.Y.0016.181216T1000Z-181216T2100Z/
Del Norte Interior-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
529 PM PST Sat Dec 15 2018

...WIND ADVISORY REMAINS IN EFFECT FROM 2 AM TO 1 PM PST SUNDAY
ABOVE 1500 FEET...

* WINDS...Southerly gusts of 55 to 65 mph. 

* LOCATIONS INCLUDE...Kneeland and other communities in the hills
  above 1500 feet.

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

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

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

$$
165 
WWUS76 KEKA 161527
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
727 AM PST Sun Dec 16 2018

...Another storm to bring a new round of strong winds late
tonight and Sunday...

CAZ101-162100-
/O.CON.KEKA.WI.Y.0016.000000T0000Z-181216T2100Z/
Coastal Del Norte-
727 AM PST Sun Dec 16 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST THIS
AFTERNOON...

* WINDS...Southerly gusts to around 50 mph. 

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

* HIGHWAY(S) IMPACTED...101.

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

$$

CAZ103-162100-
/O.CON.KEKA.WI.Y.0016.181216T1600Z-181216T2100Z/
Northern Humboldt Coast-
727 AM PST Sun Dec 16 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST THIS
AFTERNOON...

* WINDS...Southerly gusts to around 45 mph. 

* LOCATIONS INCLUDE...Arcata...Eureka...Fortuna...Ferndale... 
  Bear River and Fickle Hill.

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

$$

CAZ102-104>106-162100-
/O.CON.KEKA.WI.Y.0016.000000T0000Z-181216T2100Z/
Del Norte Interior-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
727 AM PST Sun Dec 16 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST THIS AFTERNOON
ABOVE 1500 FEET...

* WINDS...Southerly gusts of 55 to 65 mph. 

* LOCATIONS INCLUDE...Kneeland and other communities in the hills
  above 1500 feet.

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

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

$$
524 
WWUS76 KEKA 162049
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
1249 PM PST Sun Dec 16 2018

CAZ101-103-162200-
/O.EXP.KEKA.WI.Y.0016.000000T0000Z-181216T2100Z/
Coastal Del Norte-Northern Humboldt Coast-
1249 PM PST Sun Dec 16 2018

...WIND ADVISORY WILL EXPIRE AT 1 PM PST THIS AFTERNOON...

Expect winds to trend downward for the rest of this afternoon. 
Some of the higher elevations may continue to see southwest wind 
gusts to 40 mph for the next hour or two.

$$

CAZ102-104>106-162200-
/O.EXP.KEKA.WI.Y.0016.000000T0000Z-181216T2100Z/
Del Norte Interior-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
1249 PM PST Sun Dec 16 2018

...WIND ADVISORY WILL EXPIRE AT 1 PM PST THIS AFTERNOON ABOVE
1500 FEET...

Expect winds to trend downward for the rest of this afternoon. 
Some of the higher elevations may continue to see southwest wind 
gusts to 40 mph for the next hour or two.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 15, 2:02 AM PSTSmall Craft AdvisoryEKA11 hr

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.