Alert archive / California / Wind Advisories in 2019

Wind Advisory 4, NWS Eureka, CA

January 18, 2019Del Norte County, Humboldt County, California

NWS Eureka, CA issued this wind advisory at Jan 18, 2019, 1:23 AM PST for Del Norte County, Humboldt County, California. It took effect at Jan 18, 2019, 9:00 AM PST. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Jan 18, 2019, 1:23 AM PST (09:23 UTC)
In effect from
Jan 18, 2019, 9:00 AM PST
Expired
Jan 19, 2019, 3:00 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 09:27 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, 9.4 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 2019-01-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 2019-01-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 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
1040 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
118 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

426 
WWUS76 KEKA 180923
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
123 AM PST Fri Jan 18 2019

CAZ102-182230-
/O.NEW.KEKA.WI.Y.0004.190118T1700Z-190119T0700Z/
Del Norte Interior-
123 AM PST Fri Jan 18 2019

...WIND ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 11 PM PST
THIS EVENING ABOVE 1500 FEET IN ELEVATION...

The National Weather Service in Eureka has issued a Wind
Advisory...which is in effect from 9 AM this morning to 11 PM PST
this evening. 

* WINDS...South and Southeast 20 to 30 mph...with Gusts from 40 to
  50 mph.  

* LOCATIONS INCLUDE...Elevated communities above 1500 ft in
  elevation.

* HIGHWAYS IMPACTED...Elevated portions of HWY 199.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that wind gusts of 45 mph or greater are
expected. Winds this strong can make driving difficult,
especially for high profile vehicles. Use extra caution.

&&

$$

CAZ105-106-182230-
/O.NEW.KEKA.WI.Y.0004.190118T2000Z-190119T0700Z/
Northern Humboldt Interior-Southern Humboldt Interior-
123 AM PST Fri Jan 18 2019

...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 11 PM PST THIS
EVENING ABOVE 1500 FEET IN ELEVATION...

The National Weather Service in Eureka has issued a Wind
Advisory...which is in effect from noon today to 11 PM PST this
evening. 

* WINDS...20 To 30 mph...with Gusts from 40 to 50 mph.

* LOCATIONS INCLUDE...Kneeland...Bald Hills...Upper Bear River.

* HIGHWAYS IMPACTED...Elevated portions and passes of Highways 36,
  96, 101, 299.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that wind gusts of 45 mph or greater are
expected. Winds this strong can make driving difficult,
especially for high profile vehicles. Use extra caution.

&&

$$
3 follow-up statements
702 
WWUS76 KEKA 182235
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
235 PM PST Fri Jan 18 2019

CAZ102-105-106-190700-
/O.CON.KEKA.WI.Y.0004.000000T0000Z-190119T0700Z/
Del Norte Interior-Northern Humboldt Interior-
Southern Humboldt Interior-
235 PM PST Fri Jan 18 2019

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PST THIS EVENING
ABOVE 1500 FEET...

* WINDS...South and Southeast 20 to 30 mph...with Gusts from 40 to
  50 mph. 

* LOCATIONS INCLUDE...Kneeland...Bald Hills...Upper Bear
  River...Elevated communities above 1500 ft in elevation.

* HIGHWAYS IMPACTED...Elevated portions of HWY 199, 36, 96, 101,
  299.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that wind gusts of 45 mph or greater are
expected. Winds this strong can make driving difficult, especially
for high profile vehicles. Use extra caution.

$$
169 
WWUS76 KEKA 190554
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
954 PM PST Fri Jan 18 2019

CAZ102-105-106-191100-
/O.EXT.KEKA.WI.Y.0004.000000T0000Z-190119T1100Z/
Del Norte Interior-Northern Humboldt Interior-
Southern Humboldt Interior-
954 PM PST Fri Jan 18 2019

...WIND ADVISORY NOW IN EFFECT UNTIL 3 AM PST SATURDAY ABOVE
1500 FEET...

* WINDS...South and Southeast 20 to 30 mph...with Gusts from 40 to
  50 mph. 

* LOCATIONS INCLUDE...Kneeland...Bald Hills...Upper Bear 
  River...Elevated communities above 1500 ft in elevation.

* HIGHWAYS IMPACTED...Elevated portions of HWY 199, 36,101, 299.

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

$$
028 
WWUS76 KEKA 191100
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
300 AM PST Sat Jan 19 2019



CAZ102-105-106-191200-
/O.EXP.KEKA.WI.Y.0004.000000T0000Z-190119T1100Z/
Del Norte Interior-Northern Humboldt Interior-
Southern Humboldt Interior-
300 AM PST Sat Jan 19 2019

...WIND ADVISORY HAS EXPIRED...


$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 17, 6:43 PM PSTSpecial Weather StatementEKADel Norte17 min
Jan 17, 7:02 PM PSTSpecial Weather StatementEKADel Norte13 min
Jan 17, 8:22 PM PSTHigh Surf AdvisoryEKADel Norte, Humboldt, Mendocino9 hr
Jan 18, 2:11 AM PSTFlood WatchEKADel Norte, Humboldt50 hr
Jan 18, 2:16 AM PSTSmall Craft AdvisoryEKA4 days

Nearby

Wind Advisories in California, 2019Every wind advisory in 2019

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.