Alert archive / Oregon / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 2, NWS Pendleton, OR
NWS Pendleton, OR issued this severe thunderstorm warning at May 28, 2026, 2:26 PM PDT for Crook County, Deschutes County, Grant County, Oregon. It was in force for 64 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 28, 2026, 2:26 PM PDT (21:26 UTC)
- Expired
- May 28, 2026, 3:30 PM PDT
- In force
- 64 min
- Issued by
- NWS Pendleton, OR
- Area
- Storm-based polygon
- Damage threat
- Destructive
- Hail
- 1.25 in
- Wind
- 80.0 mph
Counties Crook County, OR, Deschutes County, OR, Grant County, OR
The radar
The Pendleton radar (KPDT), 198 km from the middle of the area, began a volume at 21:29 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 28, 12:49 PM PDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Salem/Mcnary, OR (KSLE), launched 12:00Z, 9.4 hours before the alert went out and 237 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
- 1077 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 78 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The office that day
Everything else NWS Pendleton, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 5:42 PM PDT | Special Weather Statement | PDT | 48 min | |
| May 27, 6:32 PM PDT | Special Weather Statement | PDT | Deschutes | 28 min |
| May 27, 6:37 PM PDT | Special Weather Statement | PDT | 23 min | |
| May 27, 6:42 PM PDT | Special Weather Statement | PDT | Wallowa | 33 min |
| May 27, 7:00 PM PDT | Special Weather Statement | PDT | Crook | 30 min |
| May 27, 9:26 PM PDT | Special Weather Statement | PDT | Crook | 34 min |
| May 28, 1:39 PM PDT | Special Weather Statement | PDT | Grant | 51 min |
| May 28, 1:44 PM PDT | Special Weather Statement | PDT | 46 min | |
| May 28, 2:24 PM PDT | Special Weather Statement | PDT | 36 min | |
| May 28, 2:28 PM PDT | Special Weather Statement | PDT | Grant | 32 min |
| May 28, 3:04 PM PDT | Special Weather Statement | PDT | 26 min | |
| May 28, 3:21 PM PDT | Special Weather Statement | PDT | Union | 24 min |
| May 28, 3:22 PM PDT | Special Weather Statement | PDT | Union | 38 min |
| May 28, 3:24 PM PDT | Severe Thunderstorm Warning | PDT | Crook, Deschutes, Grant, Wheeler | 66 min |
| May 28, 3:25 PM PDT | Special Weather Statement | PDT | 35 min | |
| May 28, 3:37 PM PDT | Severe Thunderstorm Warning | PDT | Umatilla | 38 min |
| May 28, 3:53 PM PDT | Special Weather Statement | PDT | Union | 37 min |
| May 28, 4:04 PM PDT | Severe Thunderstorm Warning | PDT | Grant, Wheeler | 56 min |
| May 28, 4:14 PM PDT | Severe Thunderstorm Warning | PDT | Crook, Wheeler | 46 min |
| May 28, 4:15 PM PDT | Special Weather Statement | PDT | Umatilla | 30 min |
| May 28, 4:23 PM PDT | Special Weather Statement | PDT | Umatilla | 37 min |
| May 28, 4:42 PM PDT | Severe Thunderstorm Warning | PDT | Crook, Deschutes | 48 min |
| May 28, 4:55 PM PDT | Severe Thunderstorm Warning | PDT | Grant, Jefferson, Morrow, Wheeler | 65 min |
| May 28, 4:58 PM PDT | Severe Thunderstorm Warning | PDT | Umatilla, Union | 32 min |
| May 28, 2:59 PM PDT | Special Weather Statement | PDT | Yakima | 31 min |
Nearby
Severe Thunderstorm Warnings in Oregon, 2026Every severe thunderstorm warning in 2026
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.