Alert archive / California / High Wind Warnings in 2019

High Wind Warning 2, NWS Eureka, CA

October 26, 2019Humboldt County, Mendocino County, Trinity County, California

NWS Eureka, CA issued this high wind warning at Oct 26, 2019, 8:05 AM PDT for Humboldt County, Mendocino County, Trinity County, California. It took effect at Oct 26, 2019, 10:00 PM PDT. It was in force for 14 hr. 5 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
Oct 26, 2019, 8:05 AM PDT (15:05 UTC)
In effect from
Oct 26, 2019, 10:00 PM PDT
Expired
Oct 27, 2019, 12:24 PM PDT
In force
14 hr
Issued by
NWS Eureka, CA

Counties Humboldt County, CA, Mendocino County, CA, Trinity County, CA

The radar

The Eureka (Bunker Hill) radar (KBHX), 73 km from the middle of the area, began a volume at 15:05 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
Oct 27, 8:49 AM PDTNON-TSTM WND DMG2 Sse Zenia, CAPOWER LINE DOWN ACROSS ZENIA RD.
Oct 27, 9:18 AM PDTNON-TSTM WND DMG6 W Forest Glen, CATREE DOWN REPORTED ACROSS THE ROAD NEAR THE INTERSECTION OF HIGHWAY 36 AND SOUTH FORK MOUNTAIN ROAD.
Oct 27, 9:19 AM PDTNON-TSTM WND DMG2 Ene Forest Glen, CATREE DOWN BLOCKING BOTH LANES OF HIGHWAY 36.
Oct 27, 9:24 AM PDTNON-TSTM WND DMG1 Ne Potter Valley, CATREE DOWN BLOCKING SOUTHBOUND LANES OF EEL RIVER ROAD IN POTTER VALLEY.
Oct 27, 10:42 AM PDTNON-TSTM WND DMG2 W Forest Glen, CATREE DOWN IN WESTBOUND LANE OF HIGHWAY 36.

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 12:00Z, 3.1 hours before the alert went out and 241 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 12:00Z on 2019-10-26Temperature 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 12:00Z on 2019-10-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 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
1025 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
96 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

701 
WWUS76 KEKA 261505
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
805 AM PDT Sat Oct 26 2019

CAZ106-108-110-111-113-262315-
/O.UPG.KEKA.HW.A.0002.191027T0500Z-191028T0700Z/
/O.NEW.KEKA.HW.W.0002.191027T0500Z-191028T0700Z/
Southern Humboldt Interior-Southern Trinity-
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
Southeastern Mendocino Interior-
805 AM PDT Sat Oct 26 2019

...HIGH WIND WARNING IN EFFECT FROM 10 PM THIS EVENING TO
MIDNIGHT SUNDAY NIGHT...

* WHAT...Northeast winds increasing to 25 to 35 mph with gusts to
  60 mph. Locally higher gusts to 80 mph possible downwind from
  the highest ridgetops, particularly late tonight and early 
  Sunday morning.

* WHERE...Elevations above 1500 feet in southeastern Humboldt, 
  southern Trinity, and interior Mendocino counties. Highest 
  gusts downwind from South Fork Mountain and the highest ridges 
  of eastern Mendocino County.

* WHEN...From 10 PM this evening to midnight Sunday night.

* IMPACTS...Damaging winds will blow down trees and power lines.
  Widespread power outages are expected. 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.

$$
5 follow-up statements
186 
WWUS76 KEKA 262158
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
258 PM PDT Sat Oct 26 2019

CAZ106-108-110-111-113-270600-
/O.CON.KEKA.HW.W.0002.191027T0500Z-191028T0700Z/
Southern Humboldt Interior-Southern Trinity-
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
Southeastern Mendocino Interior-
258 PM PDT Sat Oct 26 2019

...HIGH WIND WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
MIDNIGHT PDT SUNDAY NIGHT...

* WHAT...Northeast winds increasing to 25 to 35 mph with gusts 
  to 60 mph. Locally higher gusts to 80 mph possible downwind 
  from the highest ridgetops, particularly late tonight and 
  early Sunday morning.

* WHERE...Elevations above 1500 feet in southeastern Humboldt, 
  southern Trinity, and interior Mendocino counties. Highest 
  gusts downwind from South Fork Mountain and the highest ridges 
  of eastern Mendocino County.

* WHEN...From 10 PM this evening to midnight Sunday night.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Widespread power outages are expected. 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.

&&

$$
259 
WWUS76 KEKA 270537
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
1037 PM PDT Sat Oct 26 2019

CAZ106-108-110-111-113-271345-
/O.CON.KEKA.HW.W.0002.000000T0000Z-191028T0700Z/
Southern Humboldt Interior-Southern Trinity-
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
Southeastern Mendocino Interior-
1037 PM PDT Sat Oct 26 2019

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT SUNDAY
NIGHT...

* WHAT...Northeast winds increasing to 25 to 35 mph with gusts 
  to 60 mph. Locally higher gusts to 80 mph possible downwind 
  from the highest ridgetops, particularly late tonight and 
  early Sunday morning.

* WHERE...Elevations above 1500 feet in southeastern Humboldt, 
  southern Trinity, and interior Mendocino counties. Highest 
  gusts downwind from South Fork Mountain and the highest ridges 
  of eastern Mendocino County.

* WHEN...From 10 PM this evening to midnight Sunday night.

* IMPACTS...Damaging winds will blow down trees. 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.

&&

$$
936 
WWUS76 KEKA 271003
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
303 AM PDT Sun Oct 27 2019

CAZ106-108-110-111-113-271815-
/O.CON.KEKA.HW.W.0002.000000T0000Z-191028T0700Z/
Southern Humboldt Interior-Southern Trinity-
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
Southeastern Mendocino Interior-
303 AM PDT Sun Oct 27 2019

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT
TONIGHT...

* WHAT...Northeast winds 25 to 35 mph with gusts to 60 mph.
  Locally higher gusts to 80 mph possible downwind from the
  highest ridgetops, particularly early this morning.

* WHERE...Elevations above 1500 feet in southeastern Humboldt, 
  southern Trinity, and interior Mendocino counties. Highest 
  gusts downwind from South Fork Mountain and the highest ridges 
  of eastern Mendocino County.

* WHEN...Through late Sunday evening.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Widespread power outages are expected. 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.

&&

$$
497 
WWUS76 KEKA 271643
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
943 AM PDT Sun Oct 27 2019

CAZ106-108-110-111-113-280000-
/O.EXT.KEKA.HW.W.0002.000000T0000Z-191028T0000Z/
Southern Humboldt Interior-Southern Trinity-
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
Southeastern Mendocino Interior-
943 AM PDT Sun Oct 27 2019

...HIGH WIND WARNING NOW IN EFFECT UNTIL 5 PM PDT THIS
AFTERNOON...

* WHAT...Northeast winds 25 to 35 mph with gusts up to 60 mph
  along interior ridges.

* WHERE...Elevations above 1,500 feet in southeastern Humboldt,
  southern Trinity, and interior Mendocino counties.

* WHEN...Until 5 PM PDT this afternoon.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Widespread power outages are expected. 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.

&&

$$
134 
WWUS76 KEKA 271924
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
1224 PM PDT Sun Oct 27 2019

CAZ106-108-110-111-113-280000-
/O.CAN.KEKA.HW.W.0002.000000T0000Z-191028T0000Z/
/O.NEW.KEKA.WI.Y.0016.191027T1924Z-191028T0000Z/
Southern Humboldt Interior-Southern Trinity-
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
Southeastern Mendocino Interior-
1224 PM PDT Sun Oct 27 2019

...WIND ADVISORY IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON...
...HIGH WIND WARNING IS CANCELLED...

* WHAT...Northeast winds 15 to 25 mph with gusts up to 45 mph.

* WHERE...Elevations above 1,500 feet in southeastern Humboldt,
  southern Trinity, and interior Mendocino counties.

* WHEN...Until 5 PM PDT this afternoon.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Nearby

High Wind Warnings in California, 2019Every high wind warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.