Alert archive / California / Wind Advisories in 2020

Wind Advisory 1, NWS Eureka, CA

January 14, 2020Del Norte County, Humboldt County, California

NWS Eureka, CA issued this wind advisory at Jan 14, 2020, 3:08 AM PST for Del Norte County, Humboldt County, California. It took effect at Jan 15, 2020, 11:00 AM PST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Jan 14, 2020, 3:08 AM PST (11:08 UTC)
In effect from
Jan 15, 2020, 11:00 AM PST
Expired
Jan 15, 2020, 10:36 PM 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 11:12 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, 11.1 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 2020-01-14Temperature 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 2020-01-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 312 square meters per square second.1939587897117136Sfc1 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
639 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
312 m²/s²
0-3 km storm-relative helicity
480 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

863 
WWUS76 KEKA 141108
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
308 AM PST Tue Jan 14 2020

CAZ102>106-141915-
/O.NEW.KEKA.WI.Y.0001.200115T1900Z-200116T0800Z/
Del Norte Interior-Northern Humboldt Coast-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
308 AM PST Tue Jan 14 2020

...WIND ADVISORY IN EFFECT FROM 11 AM WEDNESDAY TO MIDNIGHT PST
WEDNESDAY NIGHT...

* WHAT...South winds 25 to 35 mph with gusts up to 50 mph 
  expected.

* WHERE...The exposed ridges of Humboldt and Del Norte counties.
  This includes Kneeland and Berrry Summit on Highway 299.

* WHEN...From 11 AM Wednesday to midnight PST Wednesday night.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
8 follow-up statements
239 
WWUS76 KEKA 141119
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
319 AM PST Tue Jan 14 2020

CAZ103-141230-
/O.CAN.KEKA.WI.Y.0001.200115T1900Z-200116T0800Z/
Northern Humboldt Coast-
319 AM PST Tue Jan 14 2020

...WIND ADVISORY IS CANCELLED...

$$

CAZ102-104>106-141930-
/O.CON.KEKA.WI.Y.0001.200115T1900Z-200116T0800Z/
Del Norte Interior-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
319 AM PST Tue Jan 14 2020

...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM WEDNESDAY TO
MIDNIGHT PST WEDNESDAY NIGHT...

* WHAT...South winds 25 to 35 mph with gusts up to 50 mph 
  expected.

* WHERE...The exposed ridges of Humboldt and Del Norte counties. 
  This includes Kneeland and Berrry Summit on Highway 299.

* WHEN...From 11 AM Wednesday to midnight PST Wednesday night.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
104 
WWUS76 KEKA 141733
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
933 AM PST Tue Jan 14 2020

CAZ102-104>106-150145-
/O.CON.KEKA.WI.Y.0001.200115T1900Z-200116T0800Z/
Del Norte Interior-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
933 AM PST Tue Jan 14 2020

...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM WEDNESDAY TO
MIDNIGHT PST WEDNESDAY NIGHT...

* WHAT...South winds 25 to 35 mph with gusts up to 50 mph 
  expected.

* WHERE...Exposed ridges of Humboldt and Del Norte counties. This
  includes Kneeland and Berry Summit on Highway 299.

* WHEN...From 11 AM Wednesday to midnight PST Wednesday night.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
394 
WWUS76 KEKA 142227
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
227 PM PST Tue Jan 14 2020

CAZ101-150630-
/O.EXA.KEKA.WI.Y.0001.200115T1900Z-200116T0800Z/
Coastal Del Norte-
227 PM PST Tue Jan 14 2020

...WIND ADVISORY IN EFFECT FROM 11 AM WEDNESDAY TO MIDNIGHT PST
WEDNESDAY NIGHT...

* WHAT...South winds 25 to 35 mph with gusts up to 50 mph 
  expected.

* WHERE...Coastal Del Norte County, including Crescent City.

* WHEN...From 11 AM Wednesday to midnight PST Wednesday night.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

CAZ102-104>106-150630-
/O.CON.KEKA.WI.Y.0001.200115T1900Z-200116T0800Z/
Del Norte Interior-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
227 PM PST Tue Jan 14 2020

...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM WEDNESDAY TO
MIDNIGHT PST WEDNESDAY NIGHT...

* WHAT...South winds 25 to 35 mph with gusts up to 50 mph 
  expected.

* WHERE...Exposed ridges of Humboldt and Del Norte counties. 
  This includes Kneeland and Berry Summit on Highway 299.

* WHEN...From 11 AM Wednesday to midnight PST Wednesday night.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
132 
WWUS76 KEKA 150504
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
904 PM PST Tue Jan 14 2020

CAZ101-102-104>106-151315-
/O.CON.KEKA.WI.Y.0001.200115T1900Z-200116T0800Z/
Coastal Del Norte-Del Norte Interior-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
904 PM PST Tue Jan 14 2020

...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM WEDNESDAY TO
MIDNIGHT PST WEDNESDAY NIGHT...

* WHAT...South winds 25 to 35 mph with gusts to 50 mph expected.

* WHERE...Coastal Del Norte County, including Crescent City.
  Exposed ridges of Humboldt and Del Norte counties, including 
  Kneeland and Berry Summit on Highway 299.

* WHEN...From 11 AM Wednesday to midnight PST Wednesday night.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
294 
WWUS76 KEKA 151148
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
348 AM PST Wed Jan 15 2020

CAZ101-102-104>106-152000-
/O.CON.KEKA.WI.Y.0001.200115T1900Z-200116T0800Z/
Coastal Del Norte-Del Norte Interior-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
348 AM PST Wed Jan 15 2020

...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
MIDNIGHT PST TONIGHT...

* WHAT...South winds 25 to 35 mph with gusts to 50 mph expected.

* WHERE...Coastal Del Norte County, including Crescent City. 
  Exposed ridges of Humboldt and Del Norte counties, including 
  Kneeland and Berry Summit on Highway 299.

* WHEN...From 11 AM Wednesday to midnight PST Wednesday night.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
556 
WWUS76 KEKA 152327
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
327 PM PST Wed Jan 15 2020

CAZ101-160730-
/O.UPG.KEKA.WI.Y.0001.000000T0000Z-200116T0800Z/
/O.NEW.KEKA.HW.W.0001.200115T2327Z-200116T0400Z/
Coastal Del Norte-
327 PM PST Wed Jan 15 2020

...HIGH WIND WARNING IN EFFECT UNTIL 8 PM PST THIS EVENING...

* WHAT...South winds 30 to 40 mph with gusts up to 65 mph.

* WHERE...Coastal Del Norte County.

* WHEN...Until 8 PM PST this evening.

* IMPACTS...Damaging winds will blow down trees and power lines.
  Widespread power outages are possible. Travel will be 
  difficult, especially for high profile vehicles.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

CAZ102-104>106-160730-
/O.CON.KEKA.WI.Y.0001.000000T0000Z-200116T0800Z/
Del Norte Interior-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
327 PM PST Wed Jan 15 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT PST TONIGHT...

* WHAT...South winds 25 to 35 mph with gusts up to 55 mph.

* WHERE...Exposed ridges of Humboldt and Del Norte counties,
  including Kneeland and Berry Summit on Highway 299.

* WHEN...Until midnight PST tonight.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
827 
WWUS76 KEKA 160235
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
635 PM PST Wed Jan 15 2020

CAZ101-160345-
/O.CAN.KEKA.HW.W.0001.000000T0000Z-200116T0400Z/
Coastal Del Norte-
635 PM PST Wed Jan 15 2020

...HIGH WIND WARNING IS CANCELLED...



$$

CAZ102-160345-
/O.CAN.KEKA.WI.Y.0001.000000T0000Z-200116T0800Z/
Del Norte Interior-
635 PM PST Wed Jan 15 2020

...WIND ADVISORY IS CANCELLED...



$$

CAZ104>106-160800-
/O.CON.KEKA.WI.Y.0001.000000T0000Z-200116T0800Z/
Southwestern Humboldt-Northern Humboldt Interior-
Southern Humboldt Interior-
635 PM PST Wed Jan 15 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT PST TONIGHT...

* WHAT...South winds 25 to 35 mph with gusts up to 55 mph.

* WHERE...Exposed ridges of Humboldt, including Kneeland and 
  Berry Summit on Highway 299.

* WHEN...Until midnight PST tonight.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
430 
WWUS76 KEKA 160636
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
1036 PM PST Wed Jan 15 2020

CAZ104>106-160745-
/O.CAN.KEKA.WI.Y.0001.000000T0000Z-200116T0800Z/
Southwestern Humboldt-Northern Humboldt Interior-
Southern Humboldt Interior-
1036 PM PST Wed Jan 15 2020

...WIND ADVISORY IS CANCELLED...



$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 14, 2:53 AM PSTGale WatchEKA12 hr
Jan 14, 2:53 AM PSTGale WarningEKA47 hr
Jan 14, 2:26 PM PSTWinter Storm WarningEKADel Norte, Humboldt, Mendocino, Trinity50 hr

Nearby

Wind Advisories in California, 2020Every wind advisory in 2020

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.