Alert archive / Oregon / Wind Advisories in 2021
Wind Advisory 1, NWS Pendleton, OR
NWS Pendleton, OR issued this wind advisory at Jan 1, 2021, 1:47 PM PST for Union County, Oregon. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Jan 1, 2021, 1:47 PM PST (21:47 UTC)
- Expired
- Jan 1, 2021, 9:36 PM PST
- In force
- 8 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 21:47 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, 9.8 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 822 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 154 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
973 WWUS76 KPDT 012147 NPWPDT URGENT - WEATHER MESSAGE National Weather Service Pendleton OR 147 PM PST Fri Jan 1 2021 ORZ049-020700- /O.NEW.KPDT.WI.Y.0001.210101T2147Z-210102T0700Z/ Grande Ronde Valley- 147 PM PST Fri Jan 1 2021 ...WIND ADVISORY IN EFFECT UNTIL 11 PM PST THIS EVENING FOR LADD AND PYLES CANYONS... * WHAT...South winds 25 to 35 mph with gusts up to 55 mph for Ladd and Pyles Canyons. * WHERE...Grande Ronde Valley. * WHEN...Until 11 PM PST this evening. * 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. && $$ For more information from the National Weather Service visit https://weather.gov/Pendleton
1 follow-up statement
661 WWUS76 KPDT 020536 NPWPDT URGENT - WEATHER MESSAGE National Weather Service Pendleton OR 936 PM PST Fri Jan 1 2021 ORZ049-020645- /O.CAN.KPDT.WI.Y.0001.000000T0000Z-210102T0700Z/ Grande Ronde Valley- 936 PM PST Fri Jan 1 2021 ...WIND ADVISORY IS CANCELLED... Winds have decreased this evening in the Ladd and Pyles canyons and are not expected to increase again tonight. Breezy conditions will continue to decrease overnight. $$ 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 1, 1:41 PM PST | Winter Weather Advisory | PDT | Deschutes, Jefferson, Umatilla, Union, Wallowa, Wasco | 44 hr |
Nearby
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.