Alert archive / Oregon / Wind Advisories in 2021

Wind Advisory 13, NWS Pendleton, OR

March 3, 2021Union County, Oregon

NWS Pendleton, OR issued this wind advisory at Mar 3, 2021, 12:40 PM PST for Union County, Oregon. It took effect at Mar 4, 2021, 4:00 PM PST. It was in force for 21 hr.

The area

The counties it named.

The facts

Issued
Mar 3, 2021, 12:40 PM PST (20:40 UTC)
In effect from
Mar 4, 2021, 4:00 PM PST
Expired
Mar 5, 2021, 1:00 PM PST
In force
21 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 20:46 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, 8.7 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 2021-03-03Temperature 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 2021-03-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 square meters per square second.1939Sfc1 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
2006 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
108 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

982 
WWUS76 KPDT 032040
NPWPDT

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
1240 PM PST Wed Mar 3 2021

ORZ049-041500-
/O.NEW.KPDT.WI.Y.0013.210305T0000Z-210306T0300Z/
Grande Ronde Valley-
Including the cities of Cove, Elgin, and La Grande
1240 PM PST Wed Mar 3 2021

...WIND ADVISORY IN EFFECT FROM 4 PM THURSDAY TO 7 PM PST
FRIDAY...

* WHAT...South winds 25 to 35 mph with gusts 40 to 50 mph 
  expected.

* WHERE...Grande Ronde Valley.

* WHEN...From 4 PM Thursday to 7 PM PST Friday.

* 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.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/Pendleton
4 follow-up statements
618 
WWUS76 KPDT 041323
NPWPDT

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
523 AM PST Thu Mar 4 2021

ORZ049-050000-
/O.CON.KPDT.WI.Y.0013.210305T0000Z-210306T0300Z/
Grande Ronde Valley-
Including the cities of Cove, Elgin, and La Grande
523 AM PST Thu Mar 4 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO
7 PM PST FRIDAY...

* WHAT...South winds 25 to 35 mph with gusts 40 to 50 mph 
  expected.

* WHERE...Grande Ronde Valley.

* WHEN...From 4 PM PST today until 7 PM PST Friday.

* 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
899 
WWUS76 KPDT 042157
NPWPDT

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
157 PM PST Thu Mar 4 2021

ORZ049-051500-
/O.CON.KPDT.WI.Y.0013.210305T0000Z-210306T0300Z/
Grande Ronde Valley-
Including the cities of Cove, Elgin, and La Grande
157 PM PST Thu Mar 4 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST FRIDAY...

* WHAT...South winds 25 to 35 mph with gusts 40 to 50 mph 
  expected.

* WHERE...Grande Ronde Valley.

* WHEN...From 4 PM PST today until 7 PM PST Friday. Strongest
  winds will occur later tonight into Friday. 

* IMPACTS...Gusty winds could blow around unsecured objects.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

For more information from the National Weather Service visit
https://weather.gov/Pendleton
795 
WWUS76 KPDT 051303
NPWPDT

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
503 AM PST Fri Mar 5 2021

ORZ049-052315-
/O.CON.KPDT.WI.Y.0013.000000T0000Z-210306T0300Z/
Grande Ronde Valley-
Including the cities of Cove, Elgin, and La Grande
503 AM PST Fri Mar 5 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING...

* WHAT...South winds 25 to 35 mph with gusts 40 to 50 mph 
  expected.

* WHERE...Grande Ronde Valley.

* WHEN...Until 7 PM PST this evening. Strongest winds will occur
  around mid morning today.

* IMPACTS...Gusty winds could blow around unsecured objects.

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
787 
WWUS76 KPDT 052100
NPWPDT

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
100 PM PST Fri Mar 5 2021

ORZ049-052200-
/O.CAN.KPDT.WI.Y.0013.000000T0000Z-210306T0300Z/
Grande Ronde Valley-
100 PM PST Fri Mar 5 2021

...WIND ADVISORY IS CANCELLED...

Observed winds are currently below advisory criteria and are
forecast to continue to trend downward through the remainder of
the afternoon and evening. Breezy conditions are still possible, 
as gusts are likely to range from 40 to 45 mph out of the 
southeast until sunset.

$$

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.