Alert archive / Oregon / Wind Advisories in 2021

Wind Advisory 12, NWS Pendleton, OR

February 28, 2021Union County, Oregon

NWS Pendleton, OR issued this wind advisory at Feb 28, 2021, 2:21 PM PST for Union County, Oregon. It took effect at Feb 28, 2021, 10:00 PM PST. It was in force for 17 hr.

The area

The counties it named.

The facts

Issued
Feb 28, 2021, 2:21 PM PST (22:21 UTC)
In effect from
Feb 28, 2021, 10:00 PM PST
Expired
Mar 1, 2021, 3:00 PM PST
In force
17 hr
Issued by
NWS Pendleton, OR

County Union County, OR

The radar

The Pendleton radar (KPDT), 78 km from the middle of the area, began a volume at 22:26 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

Boise Airport, ID (KBOI), launched 12:00Z, 10.4 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, Boise Airport, ID at 12:00Z on 2021-02-28Temperature 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, Boise Airport, ID at 12:00Z on 2021-02-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 114 square meters per square second.1939587897117Sfc1 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
1767 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
114 m²/s²
0-3 km storm-relative helicity
212 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

808 
WWUS76 KPDT 282221
NPWPDT

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
221 PM PST Sun Feb 28 2021

ORZ049-011300-
/O.NEW.KPDT.WI.Y.0012.210301T0600Z-210301T2000Z/
Grande Ronde Valley-
221 PM PST Sun Feb 28 2021

...WIND ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO NOON PST
MONDAY FOR LADD AND PYLES CANYONS...

* WHAT...South winds 25 to 30 mph with gusts up to 50 mph 
  expected for Ladd and Pyles Canyons.

* WHERE...Grande Ronde Valley.

* WHEN...From 10 PM this evening to noon PST Monday.

* 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.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/Pendleton
4 follow-up statements
865 
WWUS76 KPDT 010524
NPWPDT

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
924 PM PST Sun Feb 28 2021

ORZ049-011400-
/O.CON.KPDT.WI.Y.0012.210301T0600Z-210301T2000Z/
Grande Ronde Valley-
924 PM PST Sun Feb 28 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON PST MONDAY FOR LADD
AND PYLES CANYONS...

* WHAT...South winds 25 to 30 mph with gusts up to 50 mph 
  expected for Ladd and Pyles Canyons.

* WHERE...Grande Ronde Valley.

* WHEN...Until noon PST Monday.

* 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
916 
WWUS76 KPDT 011211
NPWPDT

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
411 AM PST Mon Mar 1 2021

ORZ049-012000-
/O.CON.KPDT.WI.Y.0012.000000T0000Z-210301T2000Z/
Grande Ronde Valley-
411 AM PST Mon Mar 1 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY FOR LADD
AND PYLES CANYONS...

* WHAT...South winds 25 to 35 mph with gusts up to 50 mph 
  expected for Ladd and Pyles Canyons.

* WHERE...Southern Grande Ronde Valley.

* WHEN...Until noon PST today.

* 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
473 
WWUS76 KPDT 011940
NPWPDT

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
1140 AM PST Mon Mar 1 2021

ORZ049-012300-
/O.EXT.KPDT.WI.Y.0012.000000T0000Z-210301T2300Z/
Grande Ronde Valley-
1140 AM PST Mon Mar 1 2021

...WIND ADVISORY NOW IN EFFECT UNTIL 3 PM PST THIS AFTERNOON FOR
LADD AND PYLES CANYONS...

* WHAT...South winds 25 to 35 mph with gusts up to 50 mph 
  expected for Ladd and Pyles Canyons.

* WHERE...Southern Grande Ronde Valley.

* WHEN...Until 3 PM PST this afternoon.

* 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
131 
WWUS76 KPDT 012252
NPWPDT

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
252 PM PST Mon Mar 1 2021

ORZ049-020000-
/O.EXP.KPDT.WI.Y.0012.000000T0000Z-210301T2300Z/
Grande Ronde Valley-
252 PM PST Mon Mar 1 2021

...WIND ADVISORY WILL EXPIRE AT 3 PM PST THIS AFTERNOON FOR LADD
AND PYLES CANYONS...

Breezy winds with occasional gusts will continue through this
afternoon and gradually decrease this evening and overnight.
Therefore, wind advisory will be allowed to expire.

$$

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

Nearby

Wind Advisories in Oregon, 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.