Alert archive / North Dakota / Red Flag Warnings in 2026

Red Flag Warning 14, NWS Bismarck, ND

July 20, 20264 counties in North Dakota

NWS Bismarck, ND issued this red flag warning at Jul 20, 2026, 2:20 AM CDT for 4 counties in North Dakota. It took effect at Jul 20, 2026, 12:00 PM CDT. It was in force for 9 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 20, 2026, 2:20 AM CDT (07:20 UTC)
In effect from: Jul 20, 2026, 12:00 PM CDT
Expired: Jul 20, 2026, 9:00 PM CDT
In force: 9 hr
Issued by: NWS Bismarck, ND

Counties Emmons County, ND, Grant County, ND, Morton County, ND, Sioux County, ND

The radar

The Bismarck radar (KBIS), 50 km from the middle of the area, began a volume at 07:23 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

Aberdeen, SD (KABR), launched 00:00Z, 7.3 hours before the alert went out and 263 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2232 J/kg
Mixed-layer CIN: -161 J/kg
Mixed-layer LCL: 1396 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 258 m²/s²
0-3 km storm-relative helicity: 336 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 31.4

Open this sounding in Storm Lab

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 19, 7:02 PM CDT	Severe Thunderstorm Warning	BIS	Emmons	58 min
Jul 19, 8:17 PM CDT	Severe Thunderstorm Warning	BIS	Kidder	34 min
Jul 19, 8:43 PM CDT	Special Weather Statement	BIS	Logan	32 min
Jul 19, 9:08 PM CDT	Special Weather Statement	BIS	McIntosh	37 min
Jul 19, 9:10 PM CDT	Severe Thunderstorm Warning	BIS	McIntosh	50 min
Jul 19, 9:39 PM CDT	Severe Thunderstorm Warning	BIS	Dickey, LaMoure	66 min
Jul 19, 9:56 PM CDT	Severe Thunderstorm Warning	BIS	Logan, McIntosh	58 min
Jul 19, 10:15 PM CDT	Severe Thunderstorm Warning	BIS	Dickey	60 min
Jul 19, 10:41 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	Dickey	46 min

Nearby

Red Flag Warnings in North Dakota, 2026 Every red flag 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.