Alert archive / North Dakota / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 105, NWS Grand Forks, ND

July 25, 2023Richland County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 25, 2023, 8:32 PM CDT for Richland County, North Dakota. It was in force for 43 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: Jul 25, 2023, 8:32 PM CDT (01:32 UTC)
Expired: Jul 25, 2023, 9:15 PM CDT
In force: 43 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

County Richland County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 143 km from the middle of the area, began a volume at 01:34 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, 1.5 hours before the alert went out and 189 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: 3505 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 1420 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 95 m²/s²
0-3 km storm-relative helicity: 111 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 15.2

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Grand Forks, ND wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 25, 7:14 PM CDT, 1 hour 18 minutes earlier.

Area forecast discussion, Jul 25, 7:14 PM CDT, 1 hour 18 minutes before

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Hazardous weather outlook, Jul 25, 1:49 PM CDT, 6 hours 43 minutes before

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In the hours before

Special weather statement, Jul 25, 6:12 PM CDT, 2 hours 20 minutes before

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Special weather statement, Jul 25, 6:56 PM CDT, 1 hour 36 minutes before

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Local storm report, Jul 25, 8:14 PM CDT, 18 minutes before

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Special weather statement, Jul 25, 8:23 PM CDT, 9 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 25, 9:38 PM CDT	Special Weather Statement	FGF	Grant	52 min
Jul 25, 11:19 PM CDT	Special Weather Statement	FGF	Marshall	41 min
Jul 25, 11:20 PM CDT	Special Weather Statement	FGF	Kittson	40 min
Jul 25, 11:57 PM CDT	Special Weather Statement	FGF	Marshall	48 min
Jul 26, 12:12 AM CDT	Special Weather Statement	FGF	Red Lake	48 min
Jul 26, 12:39 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Pennington, Polk, Red Lake	51 min
Jul 26, 12:44 AM CDT	Severe Thunderstorm Warning	FGF	Grant	46 min
Jul 26, 1:13 AM CDT	Special Weather Statement	FGF	Polk	32 min
Jul 26, 1:35 AM CDT	Special Weather Statement	FGF	Clearwater, Mahnomen	25 min
Jul 26, 1:58 AM CDT	Special Weather Statement	FGF	Douglas	32 min
Jul 26, 2:20 AM CDT	Special Weather Statement	FGF	Otter Tail	25 min
Jul 26, 2:39 AM CDT	Severe Thunderstorm Warning	FGF	Otter Tail, Wadena	22 min
Jul 25, 8:23 PM CDT	Special Weather Statement	FGF	Richland	52 min
Jul 25, 11:56 PM CDT	Special Weather Statement	FGF	Grand Forks	49 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 2023 Every severe thunderstorm warning in 2023

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.