Alert archive / Oregon / High Wind Watches in 2021

High Wind Watch 1, NWS Medford, OR

January 10, 20215 counties in Oregon

NWS Medford, OR issued this high wind watch at Jan 10, 2021, 1:23 PM PST for 5 counties in Oregon. It took effect at Jan 11, 2021, 10:00 PM PST. It was in force for .

The area

The counties it named.

The facts

Issued
Jan 10, 2021, 1:23 PM PST (21:23 UTC)
In effect from
Jan 11, 2021, 10:00 PM PST
Expired
Jan 11, 2021, 1:02 AM PST
In force
Issued by
NWS Medford, OR

Counties Coos County, OR, Curry County, OR, Douglas County, OR, Klamath County, OR, Lake County, OR

The radar

The Medford radar (KMAX), 89 km from the middle of the area, began a volume at 21:35 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 12:00Z, 9.4 hours before the alert went out and 58 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 2021-01-10Temperature 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 2021-01-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 square meters per square second.193958Sfc1 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
744 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
60 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

064 
WWUS76 KMFR 102123
NPWMFR

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
123 PM PST Sun Jan 10 2021

ORZ021-022-111300-
/O.NEW.KMFR.HW.A.0001.210112T0600Z-210113T1800Z/
South Central Oregon Coast-Curry County Coast-
Including the cities of Coos Bay, North Bend, Bandon, 
Port Orford, Coquille, Brookings, Harbor, and Gold Beach
123 PM PST Sun Jan 10 2021

...HIGH WIND WATCH IN EFFECT FROM MONDAY EVENING THROUGH
WEDNESDAY MORNING...

* WHAT...South winds 25 to 40 mph with gusts up to 70 mph 
  possible.

* WHERE...Most of the southern Oregon coast and headlands. This
  includes portions of Highway 101. Expect the highest winds
  between Pistol River and Humbug Mountain, including Gold Beach
  and at Cape Blanco.

* WHEN...From Monday evening through Wednesday morning.

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

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Dangerous driving conditions are possible, especially
if operating a high profile vehicle. Downed trees and power lines
are possible. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

ORZ030-031-111300-
/O.NEW.KMFR.HW.A.0001.210112T0900Z-210114T0000Z/
Northern and Eastern Klamath County and Western Lake County-
Central and Eastern Lake County-
Including the cities of Adel and Valley Falls
123 PM PST Sun Jan 10 2021

...HIGH WIND WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH
WEDNESDAY AFTERNOON...

* WHAT...Southwest winds 25 to 35 mph with gusts up to 65 mph
  possible.  

* WHERE...Higher terrain of eastern Klamath and western Lake
  Counties, but also including Highway 31 between Paisley and 
  Summer Lake.

* WHEN...From late Monday night through Wednesday afternoon.

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

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Dangerous driving conditions are possible, especially
if operating a high profile vehicle. Downed trees and power lines
are possible. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

Visit us at https://www.weather.gov/Medford
1 follow-up statement
999 
WWUS76 KMFR 110902
NPWMFR

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
102 AM PST Mon Jan 11 2021

ORZ021-022-112300-
/O.UPG.KMFR.HW.A.0001.210112T0600Z-210113T1800Z/
/O.NEW.KMFR.HW.W.0002.210112T0600Z-210113T1800Z/
South Central Oregon Coast-Curry County Coast-
Including the cities of Coos Bay, North Bend, Bandon, 
Port Orford, Coquille, Brookings, Harbor, and Gold Beach
102 AM PST Mon Jan 11 2021

...HIGH WIND WARNING IN EFFECT FROM 10 PM THIS EVENING TO 10 AM
PST WEDNESDAY...

* WHAT...South winds 25 to 40 mph with gusts up to 70 mph expected.

* WHERE...Most of the southern Oregon coast and headlands. This
  includes portions of highway 101. Expect the strongest winds
  between Pistol River and Cape Arago, including Gold Beach and 
  at Cape Blanco.

* WHEN...From 10 PM this evening to 10 AM PST Wednesday.

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

* View the hazard area in detail at
  https://www.wrh.noaa.gov/mfr/HAZARD

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.

&&

$$

ORZ030-031-112300-
/O.UPG.KMFR.HW.A.0001.210112T0900Z-210114T0000Z/
/O.NEW.KMFR.HW.W.0002.210112T0900Z-210114T0000Z/
Northern and Eastern Klamath County and Western Lake County-
Central and Eastern Lake County-
Including the cities of Adel and Valley Falls
102 AM PST Mon Jan 11 2021

...HIGH WIND WARNING IN EFFECT FROM 1 AM TUESDAY TO 4 PM PST
WEDNESDAY...

* WHAT...Southwest winds 25 to 35 mph with gusts up to 65 mph 
  expected.

* WHERE...Higher terrain of eastern Klamath and western Lake 
  Counties, but also including Highway 31 between Paisley and Summer 
  Lake.

* WHEN...From 1 AM Tuesday to 4 PM PST Wednesday.

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

* View the hazard area in detail at
  https://www.wrh.noaa.gov/mfr/HAZARD

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.

&&

$$

CAZ081-112300-
/O.NEW.KMFR.WI.Y.0005.210112T0900Z-210113T1800Z/
Central Siskiyou County-
Including the city of Weed
102 AM PST Mon Jan 11 2021

...WIND ADVISORY IN EFFECT FROM 1 AM TUESDAY TO 10 AM PST
WEDNESDAY...

* WHAT...South winds 20 to 30 mph with gusts up to 50 mph 
  expected.

* WHERE...The southern portion of the Shasta Valley, including
  Interstate 5 from Weed to Grenada.

* WHEN...From 1 AM Tuesday to 10 AM PST Wednesday.

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

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Visit us at https://www.weather.gov/Medford

The office that day

Everything else NWS Medford, OR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 10, 2:24 AM PSTGale WatchMFR24 hr
Jan 10, 8:52 AM PSTCoastal Flood AdvisoryMFRCoos, Curry, Douglas3 hr

Nearby

High Wind Watches in Oregon, 2021Every high wind watch in 2021

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.