Alert archive / Oregon / High Wind Watches in 2021

High Wind Watch 13, NWS Medford, OR

December 13, 2021Coos County, Curry County, Douglas County, Oregon

NWS Medford, OR issued this high wind watch at Dec 13, 2021, 2:29 PM PST for Coos County, Curry County, Douglas County, Oregon. It took effect at Dec 15, 2021, 6:00 AM PST. It was in force for .

The area

The counties it named.

The facts

Issued
Dec 13, 2021, 2:29 PM PST (22:29 UTC)
In effect from
Dec 15, 2021, 6:00 AM PST
Expired
Dec 14, 2021, 2:16 PM PST
In force
Issued by
NWS Medford, OR

Counties Coos County, OR, Curry County, OR, Douglas County, OR

The radar

The Medford radar (KMAX), 135 km from the middle of the area, began a volume at 22:28 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, 10.5 hours before the alert went out and 108 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 2021-12-13Temperature 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 2021-12-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 239 square meters per square second.1939587897117136156Sfc1 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
617 m above ground
0-6 km bulk shear
90 kt
0-1 km storm-relative helicity
239 m²/s²
0-3 km storm-relative helicity
314 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

442 
WWUS76 KMFR 132229
NPWMFR

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
229 PM PST Mon Dec 13 2021

ORZ021-022-141400-
/O.NEW.KMFR.HW.A.0013.211215T1400Z-211215T2100Z/
/O.CON.KMFR.FR.Y.0014.211214T1000Z-211214T1600Z/
South Central Oregon Coast-Curry County Coast-
Including the cities of Coos Bay, North Bend, Reedsport, Bandon, 
Port Orford, Harbor, and Gold Beach
229 PM PST Mon Dec 13 2021

...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM PST
TUESDAY...
...HIGH WIND WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY AFTERNOON...

* WHAT...For the Frost Advisory, temperatures in the low to mid
  30s will result in frost formation. For the High Wind Watch,
  south winds 20 to 40 mph with gusts up to 60 mph possible.

* WHERE...For the Frost Advisory, the Southern Oregon Coast. For
  the High Wind Watch, portions of the Southern Oregon Coast
  including Port Orford and Gold Beach.

* WHEN...For the Frost Advisory, from 2 AM to 8 AM PST Tuesday. 
  For the High Wind Watch, from Wednesday morning 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. Frost could 
  kill sensitive outdoor vegetation if left uncovered.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

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.

Take steps now to protect tender plants from the cold.

&&

$$

Visit us at https://www.weather.gov/Medford
3 follow-up statements
517 
WWUS76 KMFR 141043
NPWMFR

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
243 AM PST Tue Dec 14 2021

ORZ021-022-141845-
/O.CON.KMFR.FR.Y.0014.000000T0000Z-211214T1600Z/
/O.CON.KMFR.HW.A.0013.211215T1400Z-211215T2100Z/
South Central Oregon Coast-Curry County Coast-
Including the cities of Coos Bay, North Bend, Reedsport, Bandon, 
Port Orford, Harbor, and Gold Beach
243 AM PST Tue Dec 14 2021

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST THIS MORNING...
...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING
THROUGH WEDNESDAY AFTERNOON...

* WHAT...For the Frost Advisory, temperatures in the low to mid 
  30s will result in frost formation. For the High Wind Watch, 
  south winds 20 to 40 mph with gusts up to 60 mph possible.

* WHERE...For the Frost Advisory, the Southern Oregon Coast. For
  the High Wind Watch, portions of the Southern Oregon Coast 
  including areas in or near Charleston, Bandon, Port Orford and 
  Gold Beach as well as Cape Blanco.

* WHEN...For the Frost Advisory, from 2 AM to 8 AM PST Tuesday. 
  For the High Wind Watch, from Wednesday morning 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. Frost could 
  kill sensitive outdoor vegetation if left uncovered.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

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.

Take steps now to protect tender plants from the cold.

&&

$$

Visit us at https://www.weather.gov/Medford
162 
WWUS76 KMFR 141601
NPWMFR

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
801 AM PST Tue Dec 14 2021

ORZ021-022-151400-
/O.EXP.KMFR.FR.Y.0014.000000T0000Z-211214T1600Z/
/O.CON.KMFR.HW.A.0013.211215T1400Z-211215T2100Z/
South Central Oregon Coast-Curry County Coast-
Including the cities of Coos Bay, North Bend, Reedsport, Bandon, 
Port Orford, Harbor, and Gold Beach
801 AM PST Tue Dec 14 2021

...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING
THROUGH WEDNESDAY AFTERNOON...
...FROST ADVISORY HAS EXPIRED...

* WHAT...South winds 20 to 30 mph with gusts up to 55 mph 
  possible.

* WHERE...Portions of the Southern Oregon Coast including areas in
  or near Charleston, Bandon, Port Orford and Gold Beach as well
  as Cape Blanco.

* WHEN...From Wednesday morning 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/map/?wfo=mfr

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
358 
WWUS76 KMFR 142216
NPWMFR

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
216 PM PST Tue Dec 14 2021

CAZ084-085-ORZ030-031-151200-
/O.NEW.KMFR.HW.W.0015.211215T1800Z-211216T0300Z/
/O.NEW.KMFR.WI.Y.0033.211215T1800Z-211216T0300Z/
Northeast Siskiyou and Northwest Modoc Counties-Modoc County-
Northern and Eastern Klamath County and Western Lake County-
Central and Eastern Lake County-
Including the cities of Adel and Lakeview
216 PM PST Tue Dec 14 2021

...HIGH WIND WARNING IN EFFECT FROM 10 AM TO 7 PM PST WEDNESDAY...
...WIND ADVISORY IN EFFECT FROM 10 AM TO 7 PM PST WEDNESDAY...

* WHAT...For the High Wind Warning, south winds 35 to 45 mph with
  gusts up to 65 mph expected. For the Wind Advisory, south winds
  25 to 35 mph with gusts up to 45 mph expected.

* WHERE...For the High Wind Warning, highway 31 from Summer Lake
  to Valley Falls, highway 395 north and Highway 140 east of
  Lakeview, highway 299 east of Alturas, and higher elevations of
  the Warner Mountains and Winter Rim area. For the Wind 
  Advisory, highway 31 just north of Summer Lake through Silver 
  Lake, highway 139 south of Newell, highway 395, east of Alturas 
  to Lakeview and portions of highway 140 including the city of 
  Adel.
 
* WHEN...From 10 AM to 7 PM PST Wednesday.

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

* ADDITIONAL DETAILS...Winds are expected to be strongest from
  around 12 pm until 5 pm PST. 

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

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.

&&

$$

ORZ021-022-151200-
/O.UPG.KMFR.HW.A.0013.211215T1400Z-211215T2100Z/
/O.NEW.KMFR.HW.W.0015.211215T1200Z-211215T1800Z/
South Central Oregon Coast-Curry County Coast-
Including the city of Gold Beach
216 PM PST Tue Dec 14 2021

...HIGH WIND WARNING IN EFFECT FROM 4 AM TO 10 AM PST WEDNESDAY...

* WHAT...South winds 35 to 45 mph with gusts up to 60 mph 
  expected.

* WHERE....South Central Oregon Coast and Curry County Coast 
  including the Gold Beach, Port Orford, Cape Blanco, and Bandon 
  areas as well as along the coastal headlands. Portions of 
  Highway 101 near Pistol River, Gold Beach, Port Orford, and 
  Bandon could be affected.

* WHEN...From 4 AM to 10 AM PST Wednesday.

* IMPACTS...Travel could be especially difficult, due to the
  combined effects of strong, gusty winds, and heavy rainfall, at
  times. This could also result in some mud and rockfall in and
  near slide areas. 

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

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.

&&

$$

ORZ026-151200-
/O.NEW.KMFR.WI.Y.0033.211215T1500Z-211215T2100Z/
Jackson County-
Including the cities of Medford and Ashland
216 PM PST Tue Dec 14 2021

...WIND ADVISORY IN EFFECT FROM 7 AM TO 1 PM PST WEDNESDAY...

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

* WHERE...Interstate 5 from Central point south, including the
  cities of Central Point, Medford, Phoenix, Talent and Ashland.
  Portions of highway 62 including the cities of White City and 
  Eagle Point and highway 238 east of Jacksonville. 

* WHEN...From 7 AM to 1 PM PST Wednesday.

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

* ADDITIONAL DETAILS...The strongest winds are expected to be
  south of Medford. 

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ORZ029-151200-
/O.NEW.KMFR.WI.Y.0033.211215T1800Z-211216T0300Z/
Klamath Basin-
Including the city of Altamont
216 PM PST Tue Dec 14 2021

...WIND ADVISORY IN EFFECT FROM 10 AM TO 7 PM PST WEDNESDAY...

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

* WHERE...Portions of highway 140 from Klamath Falls east to
  Dairy, highway 97 south of Klamath Falls including the cities of
  Klamath Falls and Midland, and highway 39 from Klamath Falls to
  the California border.  

* WHEN...From 10 AM to 7 PM PST Wednesday.

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

* ADDITIONAL DETAILS...Winds are expected to be strongest between
  12 pm and 5 pm PST. 

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

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
Dec 13, 1:19 AM PSTHigh Surf AdvisoryMFRCoos, Curry, Douglas27 hr
Dec 13, 1:15 PM PSTFrost AdvisoryMFRCoos, Curry, Douglas19 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.