Alert archive / Washington / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 21, NWS Spokane, WA
NWS Spokane, WA issued this severe thunderstorm warning at May 28, 2026, 10:08 PM PDT for 4 counties in Washington. It was in force for 67 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 28, 2026, 10:08 PM PDT (05:08 UTC)
- Expired
- May 28, 2026, 11:15 PM PDT
- In force
- 67 min
- Issued by
- NWS Spokane, WA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Ferry County, WA, Okanogan County, WA, Pend Oreille County, WA, Stevens County, WA
The radar
The Spokane radar (KOTX), 103 km from the middle of the area, began a volume at 05:11 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, 3:21 PM PDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Spokane, WA (KOTX), launched 00:00Z, 5.1 hours before the alert went out and 164 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
- 1168 J/kg
- Mixed-layer CIN
- -53 J/kg
- Mixed-layer LCL
- 2331 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
The text
As transmitted.
693
WUUS56 KOTX 290508
SVROTX
WAC019-047-051-065-290615-
/O.NEW.KOTX.SV.W.0021.260529T0508Z-260529T0615Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Spokane WA
1008 PM PDT Thu May 28 2026
The National Weather Service in Spokane has issued a
* Severe Thunderstorm Warning for...
Northern Stevens County in northeastern Washington...
Ferry County in northeastern Washington...
Eastern Okanogan County in north central Washington...
Northwestern Pend Oreille County in northeastern Washington...
* Until 1115 PM PDT.
* At 1007 PM PDT, severe thunderstorms were located along a line
extending from 24 miles northwest of Nordman to 11 miles south of
Nespelem Community, moving north at 70 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Colville, Nespelem Community, Sherman Pass, Kettle Falls, Republic,
Ione, Northport, Elmer City, Metaline Falls, Nespelem, Marcus,
Metaline, Pierre Lake Campground, Davis Lake, Wauconda, Curlew,
Gifford, Orin, Sullivan Lake Campground, and Malo.
This includes the following highways...
U.S. Highway 20 in Washington between mile markers 276 and 363.
U.S. Highway 395 in Washington between mile markers 222 and 269.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4899 11721 4883 11723 4825 11818 4796 11896
4802 11896 4804 11899 4899 11928
TIME...MOT...LOC 0507Z 182DEG 62KT 4888 11731 4801 11896
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
JW2 follow-up statements
924 WWUS56 KOTX 290558 SVSOTX Severe Weather Statement National Weather Service Spokane WA 1058 PM PDT Thu May 28 2026 WAC051-290607- /O.CAN.KOTX.SV.W.0021.000000T0000Z-260529T0615Z/ Pend Oreille WA- 1058 PM PDT Thu May 28 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN PEND OREILLE COUNTY IS CANCELLED... The storms which prompted the warning have moved out of the warned area. Therefore, the warning has been cancelled. A Severe Thunderstorm Watch remains in effect until midnight PDT for north central and northeastern Washington. && LAT...LON 4899 11756 4896 11755 4850 11913 4899 11928 TIME...MOT...LOC 0557Z 153DEG 21KT 4898 11768 4850 11913 $$ WAC019-047-065-290615- /O.CON.KOTX.SV.W.0021.000000T0000Z-260529T0615Z/ Stevens WA-Ferry WA-Okanogan WA- 1058 PM PDT Thu May 28 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM PDT FOR NORTH CENTRAL STEVENS...NORTHERN FERRY AND NORTHEASTERN OKANOGAN COUNTIES... At 1057 PM PDT, severe thunderstorms were located along a line extending from 31 miles north of Colville to 15 miles east of North Omak, moving northwest at 25 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Republic, Northport, Pierre Lake Campground, Orient, Wauconda, Curlew, Sitzmark Hill, Danville, Malo, Chesaw, Havillah, Lost Lake Campground, Curlew Lake State Park, Bonaparte Lake Campground, Molson, and Toroda. This includes the following highways... U.S. Highway 20 in Washington between mile markers 276 and 306. U.S. Highway 395 in Washington between mile markers 254 and 269. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4899 11756 4896 11755 4850 11913 4899 11928 TIME...MOT...LOC 0557Z 153DEG 21KT 4898 11768 4850 11913 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ JW
966 WWUS56 KOTX 290607 SVSOTX Severe Weather Statement National Weather Service Spokane WA 1107 PM PDT Thu May 28 2026 WAC019-047-065-290616- /O.EXP.KOTX.SV.W.0021.000000T0000Z-260529T0615Z/ Stevens WA-Ferry WA-Okanogan WA- 1107 PM PDT Thu May 28 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL STEVENS... NORTHERN FERRY AND NORTHEASTERN OKANOGAN COUNTIES WILL EXPIRE AT 1115 PM PDT... The storms which prompted the warning have weakened below severe limits, and no longer pose an immediate threat to life or property. Therefore, the warning will be allowed to expire. A Severe Thunderstorm Watch remains in effect until midnight PDT for north central and northeastern Washington. && LAT...LON 4899 11756 4896 11755 4850 11913 4899 11928 TIME...MOT...LOC 0606Z 182DEG 62KT 4909 11767 4861 11913 $$ JW
The office that day
Everything else NWS Spokane, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 6:11 PM PDT | Special Weather Statement | OTX | Garfield | 64 min |
| May 28, 6:50 PM PDT | Special Weather Statement | OTX | Lincoln | 25 min |
| May 28, 6:55 PM PDT | Special Weather Statement | OTX | Spokane | 35 min |
| May 28, 7:03 PM PDT | Special Weather Statement | OTX | Douglas | 57 min |
| May 28, 7:06 PM PDT | Special Weather Statement | OTX | Whitman | 39 min |
| May 28, 7:11 PM PDT | Severe Thunderstorm Warning | OTX | Spokane | 49 min |
| May 28, 7:16 PM PDT | Severe Thunderstorm Warning | OTX | Lincoln | 59 min |
| May 28, 7:24 PM PDT | Special Weather Statement | OTX | Adams | 51 min |
| May 28, 7:31 PM PDT | Special Weather Statement | OTX | Spokane | 59 min |
| May 28, 7:37 PM PDT | Severe Thunderstorm Warning | OTX | Spokane | 38 min |
| May 28, 7:48 PM PDT | Special Weather Statement | OTX | Grant | 87 min |
| May 28, 7:56 PM PDT | Areal Flood Advisory | OTX | Spokane, Whitman | 2 hr |
| May 28, 8:00 PM PDT | Severe Thunderstorm Warning | OTX | Lincoln, Spokane, Stevens, Whitman | 60 min |
| May 28, 8:04 PM PDT | Special Weather Statement | OTX | Lincoln | 56 min |
| May 28, 8:06 PM PDT | Flash Flood Warning | OTX | Spokane, Whitman | 114 min |
| May 28, 8:11 PM PDT | Special Weather Statement | OTX | Grant | 64 min |
| May 28, 8:22 PM PDT | Flash Flood Warning | OTX | Lincoln | 107 min |
| May 28, 8:39 PM PDT | Areal Flood Advisory | OTX | Adams, Grant, Lincoln | 91 min |
| May 28, 8:40 PM PDT | Special Weather Statement | OTX | Lincoln | 35 min |
| May 28, 8:48 PM PDT | Severe Thunderstorm Warning | OTX | Adams, Grant, Lincoln | 72 min |
| May 28, 9:00 PM PDT | Severe Thunderstorm Warning | OTX | Adams, Chelan, Douglas, Grant, Lincoln | 75 min |
| May 28, 9:01 PM PDT | Special Weather Statement | OTX | Spokane | 44 min |
| May 28, 9:05 PM PDT | Areal Flood Advisory | OTX | Spokane | 86 min |
| May 28, 9:13 PM PDT | Severe Thunderstorm Warning | OTX | Ferry, Lincoln, Okanogan, Spokane, Stevens | 55 min |
| May 28, 9:29 PM PDT | Severe Thunderstorm Warning | OTX | Chelan, Douglas, Grant, Okanogan | 91 min |
| May 28, 9:43 PM PDT | Special Weather Statement | OTX | Ferry | 62 min |
| May 29, 12:34 AM PDT | Special Weather Statement | OTX | Okanogan | 26 min |
Nearby
Severe Thunderstorm Warnings in Washington, 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.