Alert archive / North Dakota / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 305, NWS Bismarck, ND

August 30, 2026McKenzie County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Aug 30, 2026, 5:13 AM CDT for McKenzie County, North Dakota. It was in force for 62 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
Aug 30, 2026, 5:13 AM CDT (10:13 UTC)
Expired
Aug 30, 2026, 6:15 AM CDT
In force
62 min
Issued by
NWS Bismarck, ND
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County McKenzie County, ND

The radar

The Minot AFB radar (KMBX), 202 km from the middle of the area, began a volume at 10:16 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

Rapid City, SD (KUNR), launched 00:00Z, 10.2 hours before the alert went out and 410 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, Rapid City, SD at 00:00Z on 2026-08-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1591 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Rapid City, SD at 00:00Z on 2026-08-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 square meters per square second.19395878Sfc1 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
1591 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
2213 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
200 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.4

Open this sounding in Storm Lab

The office that day

Everything else NWS Bismarck, ND issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 29, 7:51 PM CDTSevere Thunderstorm WarningBISMcIntosh33 min
Aug 30, 12:32 AM CDTSpecial Weather StatementBISHettinger28 min
Aug 30, 4:03 AM CDTSpecial Weather StatementBISMcKenzie27 min
Aug 30, 4:06 AM CDTSpecial Weather StatementBISMcKenzie24 min
Aug 30, 4:13 AM CDTSevere Thunderstorm WarningBISMcKenzie, Williams62 min
Aug 30, 5:23 AM CDTAreal Flood AdvisoryBISDunn3 hr
Aug 30, 12:40 PM CDTWind AdvisoryBISBottineau, Burke, Divide, Dunn, McHenry, McKenzie and 9 more30 hr
Aug 30, 3:33 PM CDTSpecial Weather StatementBISStark27 min
Aug 30, 3:39 PM CDTSevere Thunderstorm WarningBISDunn, Stark66 min
Aug 30, 3:47 PM CDTSevere Thunderstorm WarningBISDunn58 min
Aug 30, 4:05 PM CDTSevere Thunderstorm WarningBISBurke, McKenzie, Mountrail, Williams55 min
Aug 30, 4:24 PM CDTSpecial Weather StatementBISBowman36 min
Aug 30, 4:25 PM CDTSpecial Weather StatementBISBurke35 min
Aug 30, 4:41 PM CDTSevere Thunderstorm WarningBISDunn, Mercer, Morton, Stark64 min
Aug 30, 4:46 PM CDTSevere Thunderstorm WarningBISBurke, Renville, Ward59 min
Aug 30, 4:50 PM CDTSevere Thunderstorm WarningBISMountrail, Ward55 min
Aug 30, 4:50 PM CDTSevere Thunderstorm WarningBISAdams, Bowman55 min
Aug 30, 5:03 PM CDTSevere Thunderstorm WarningBISGrant, Morton, Stark57 min
Aug 30, 5:09 PM CDTSevere Thunderstorm WarningBISBillings, Golden Valley66 min
Aug 30, 5:20 PM CDTSevere Thunderstorm WarningBISMcLean, Mountrail, Ward55 min
Aug 30, 5:27 PM CDTSevere Thunderstorm WarningBISAdams, Bowman, Hettinger63 min
Aug 30, 5:42 PM CDTSevere Thunderstorm WarningBISBottineau, Renville, Ward63 min
Aug 30, 5:58 PM CDTSevere Thunderstorm WarningBISGrant, Morton, Stark62 min
Aug 30, 6:00 PM CDTSevere Thunderstorm Warning Considerable damage threatBISGrant, Sioux60 min
Aug 30, 6:42 PM CDTSevere Thunderstorm WarningBISBurleigh, Emmons, Grant, Morton, Oliver, Sioux63 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 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.