Alert archive / Oregon / Wind Advisories in 2021

Wind Advisory 35, NWS Pendleton, OR

December 17, 2021Umatilla County, Union County, Oregon; Columbia County, Walla Walla County, Washington

NWS Pendleton, OR issued this wind advisory at Dec 17, 2021, 3:25 AM PST for Umatilla County, Union County, Oregon; Columbia County, Walla Walla County, Washington. It took effect at Dec 18, 2021, 4:00 AM PST. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued
Dec 17, 2021, 3:25 AM PST (11:25 UTC)
In effect from
Dec 18, 2021, 4:00 AM PST
Expired
Dec 19, 2021, 3:50 AM PST
In force
24 hr
Issued by
NWS Pendleton, OR

Counties Umatilla County, OR, Union County, OR, Columbia County, WA, Walla Walla County, WA

The radar

The Pendleton radar (KPDT), 48 km from the middle of the area, began a volume at 11:28 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

Spokane, WA (KOTX), launched 00:00Z, 11.4 hours before the alert went out and 250 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, Spokane, WA at 00:00Z on 2021-12-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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, Spokane, WA at 00:00Z on 2021-12-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 square meters per square second.1939587897Sfc1 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
500 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
79 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

685 
WWUS76 KPDT 171125
NPWPDT

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
325 AM PST Fri Dec 17 2021

ORZ049-172300-
/O.NEW.KPDT.WI.Y.0035.211218T1200Z-211219T1500Z/
Grande Ronde Valley-
Including the cities of Cove, Elgin, and La Grande
325 AM PST Fri Dec 17 2021

...WIND ADVISORY IN EFFECT FROM 4 AM SATURDAY TO 7 AM PST
SUNDAY...

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

* WHERE...Grande Ronde Valley, mainly south of La Grande.

* WHEN...From 4 AM Saturday to 7 AM PST Sunday.

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

* ADDITIONAL DETAILS...Blowing and drifting of snow will reduce
  visibilities in some areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ORZ507-172300-
/O.NEW.KPDT.WI.Y.0035.211218T1200Z-211219T1500Z/
Foothills of the Northern Blue Mountains of Oregon-
Including the city of Pilot Rock
325 AM PST Fri Dec 17 2021

...WIND ADVISORY IN EFFECT FROM 4 AM SATURDAY TO 7 AM PST SUNDAY
ALONG THE BASE OF THE OREGON BLUE MOUNTAINS...

* WHAT...South winds 25 to 35 mph with gusts up to 55 mph 
  expected along the base of the Blue Mountains.

* WHERE...Foothills of the Northern Blue Mountains of Oregon,  
  east of Pendleton and Milton-Freewater.

* WHEN...From 4 AM Saturday to 7 AM PST Sunday.

* 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.

&&

$$

WAZ029-172300-
/O.NEW.KPDT.WI.Y.0035.211218T1200Z-211219T1500Z/
Foothills of the Blue Mountains of Washington-
Including the city of Walla Walla
325 AM PST Fri Dec 17 2021

...WIND ADVISORY IN EFFECT FROM 4 AM SATURDAY TO 7 AM PST SUNDAY
ALONG THE BASE OF THE WASHINGTON BLUE MOUNTAINS...

* WHAT...South winds 25 to 35 mph with gusts up to 55 mph 
  expected along the base of the Blue Mountains.

* WHERE...Foothills of the Blue Mountains of Washington, mainly
  east of Walla Walla.

* WHEN...From 4 AM Saturday to 7 AM PST Sunday.

* 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.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/Pendleton
4 follow-up statements
591 
WWUS76 KPDT 172245
NPWPDT

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
245 PM PST Fri Dec 17 2021

ORZ049-181300-
/O.CON.KPDT.WI.Y.0035.211218T1200Z-211219T1500Z/
Grande Ronde Valley-
Including the cities of Cove, Elgin, and La Grande
245 PM PST Fri Dec 17 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 4 AM SATURDAY TO 7 AM PST
SUNDAY...

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

* WHERE...Grande Ronde Valley.

* WHEN...From 4 AM Saturday to 7 AM PST Sunday.

* 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.

&&

$$

ORZ507-181300-
/O.CON.KPDT.WI.Y.0035.211218T1200Z-211219T1500Z/
Foothills of the Northern Blue Mountains of Oregon-
Including the city of Pilot Rock
245 PM PST Fri Dec 17 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 4 AM SATURDAY TO 7 AM PST
SUNDAY ALONG THE BASE OF THE OREGON BLUE MOUNTAINS...

* WHAT...South winds 25 to 35 mph with gusts up to 55 mph 
  expected along the base of the Blue Mountains.

* WHERE...Foothills of the Northern Blue Mountains of Oregon.

* WHEN...From 4 AM Saturday to 7 AM PST Sunday.

* 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.

&&

$$

WAZ029-181300-
/O.CON.KPDT.WI.Y.0035.211218T1200Z-211219T1500Z/
Foothills of the Blue Mountains of Washington-
Including the city of Walla Walla
245 PM PST Fri Dec 17 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 4 AM SATURDAY TO 7 AM PST
SUNDAY ALONG THE BASE OF THE WASHINGTON BLUE MOUNTAINS...

* WHAT...South winds 25 to 35 mph with gusts up to 50 mph 
  expected along the base of the Blue Mountains.

* WHERE...Foothills of the Blue Mountains of Washington.

* WHEN...From 4 AM Saturday to 7 AM PST Sunday.

* 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.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/Pendleton
108 
WWUS76 KPDT 181121
NPWPDT

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
321 AM PST Sat Dec 18 2021

ORZ049-182300-
/O.CON.KPDT.WI.Y.0035.211218T1200Z-211219T1500Z/
Grande Ronde Valley-
Including the cities of Cove, Elgin, and La Grande
321 AM PST Sat Dec 18 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM PST SUNDAY...

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

* WHERE...Grande Ronde Valley.

* WHEN...until 7 AM PST Sunday.

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

* ADDITIONAL DETAILS...Strong winds will cause blowing and
  drifting of snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ORZ507-182300-
/O.CON.KPDT.WI.Y.0035.211218T1200Z-211219T1500Z/
Foothills of the Northern Blue Mountains of Oregon-
Including the city of Pilot Rock
321 AM PST Sat Dec 18 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM PST SUNDAY ALONG
THE BASE OF THE OREGON BLUE MOUNTAINS...

* WHAT...South winds 25 to 35 mph with gusts up to 55 mph 
  expected along the base of the Blue Mountains.

* WHERE...Foothills of the Northern Blue Mountains of Oregon.

* WHEN...until 7 AM PST Sunday.

* 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.

&&

$$

WAZ029-182300-
/O.CON.KPDT.WI.Y.0035.211218T1200Z-211219T1500Z/
Foothills of the Blue Mountains of Washington-
Including the city of Walla Walla
321 AM PST Sat Dec 18 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM PST SUNDAY ALONG
THE BASE OF THE WASHINGTON BLUE MOUNTAINS...

* WHAT...South winds 25 to 35 mph with gusts up to 50 mph 
  expected along the base of the Blue Mountains.

* WHERE...Foothills of the Blue Mountains of Washington.

* WHEN...until 7 AM PST Sunday.

* 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.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/Pendleton
975 
WWUS76 KPDT 182210
NPWPDT

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
210 PM PST Sat Dec 18 2021

ORZ049-191500-
/O.CON.KPDT.WI.Y.0035.000000T0000Z-211219T1500Z/
Grande Ronde Valley-
Including the cities of Cove, Elgin, and La Grande
210 PM PST Sat Dec 18 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM PST SUNDAY...

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

* WHERE...Grande Ronde Valley.

* WHEN...Until 7 AM PST Sunday.

* 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.

&&

$$

ORZ507-191500-
/O.CON.KPDT.WI.Y.0035.000000T0000Z-211219T1500Z/
Foothills of the Northern Blue Mountains of Oregon-
Including the city of Pilot Rock
210 PM PST Sat Dec 18 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM PST SUNDAY ALONG
THE BASE OF THE OREGON BLUE MOUNTAINS...

* WHAT...South winds 25 to 35 mph with gusts up to 50 mph along 
  the base of the Blue Mountains.

* WHERE...Foothills of the Northern Blue Mountains of Oregon.

* WHEN...Until 7 AM PST Sunday.

* 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.

&&

$$

WAZ029-191500-
/O.CON.KPDT.WI.Y.0035.000000T0000Z-211219T1500Z/
Foothills of the Blue Mountains of Washington-
Including the city of Walla Walla
210 PM PST Sat Dec 18 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM PST SUNDAY ALONG
THE BASE OF THE WASHINGTON BLUE MOUNTAINS...

* WHAT...South winds 25 to 35 mph with gusts around 45 mph along 
  the base of the Blue Mountains.

* WHERE...Foothills of the Blue Mountains of Washington.

* WHEN...Until 7 AM PST Sunday.

* 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.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/Pendleton
664 
WWUS76 KPDT 191150
NPWPDT

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
350 AM PST Sun Dec 19 2021

ORZ049-507-WAZ029-191300-
/O.CAN.KPDT.WI.Y.0035.000000T0000Z-211219T1500Z/
Grande Ronde Valley-
Foothills of the Northern Blue Mountains of Oregon-
Foothills of the Blue Mountains of Washington-
350 AM PST Sun Dec 19 2021

...WIND ADVISORY IS CANCELLED...

Winds have decreased but will remain breezy this morning. The Wind
Advisory is no longer in effect.

$$

For more information from the National Weather Service visit
https://weather.gov/Pendleton

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 17, 3:41 AM PSTWinter Weather AdvisoryPDT24 hr

Nearby

Wind Advisories in Oregon, 2021Wind Advisories in Washington, 2021Every wind advisory 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.