Alert archive / North Dakota / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 207, NWS Bismarck, ND

September 16, 2024McHenry County, Pierce County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Sep 16, 2024, 3:02 AM CDT for McHenry County, Pierce County, North Dakota. It was in force for 58 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: Sep 16, 2024, 3:02 AM CDT (08:02 UTC)
Expired: Sep 16, 2024, 4:00 AM CDT
In force: 58 min
Issued by: NWS Bismarck, ND
Area: Storm-based polygon
Damage threat: Considerable
Hail: 1.75 in
Wind: 60.0 mph

Counties McHenry County, ND, Pierce County, ND

The radar

The Minot AFB radar (KMBX), 45 km from the middle of the area, began a volume at 08:06 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

Bismarck Municip, ND (KBIS), launched 00:00Z, 8.0 hours before the alert went out and 166 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2272 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 44 m²/s²
0-3 km storm-relative helicity: 103 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Bismarck, ND wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 16, 12:20 AM CDT, 2 hours 42 minutes earlier.

Area forecast discussion, Sep 16, 12:20 AM CDT, 2 hours 42 minutes before

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Hazardous weather outlook, Sep 16, 12:23 AM CDT, 2 hours 39 minutes before

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In the hours before

Special weather statement, Sep 16, 1:49 AM CDT, 1 hour 13 minutes before

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Special weather statement, Sep 16, 2:08 AM CDT, 54 minutes before

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Special weather statement, Sep 16, 2:10 AM CDT, 52 minutes before

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Special weather statement, Sep 16, 2:54 AM CDT, 8 minutes before

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Local storm report, Sep 16, 2:59 AM CDT, 3 minutes before

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Local storm report, Sep 16, 3:00 AM CDT, 2 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 16, 12:55 AM CDT	Special Weather Statement	BIS	Sheridan	35 min
Sep 16, 12:57 AM CDT	Special Weather Statement	BIS	Oliver	33 min
Sep 16, 1:01 AM CDT	Severe Thunderstorm Warning	BIS	McLean, Sheridan	44 min
Sep 16, 1:10 AM CDT	Severe Thunderstorm Warning	BIS	McLean, Mercer	50 min
Sep 16, 1:17 AM CDT	Severe Thunderstorm Warning	BIS	McLean, Mercer	43 min
Sep 16, 1:38 AM CDT	Special Weather Statement	BIS	Adams	37 min
Sep 16, 1:49 AM CDT	Special Weather Statement	BIS	Sheridan	41 min
Sep 16, 1:57 AM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	McLean, Mercer	63 min
Sep 16, 2:08 AM CDT	Special Weather Statement	BIS	Hettinger	52 min
Sep 16, 2:10 AM CDT	Special Weather Statement	BIS	Adams	50 min
Sep 16, 2:23 AM CDT	Severe Thunderstorm Warning	BIS	McHenry, Pierce, Sheridan	52 min
Sep 16, 2:54 AM CDT	Special Weather Statement	BIS	Hettinger	51 min
Sep 16, 3:12 AM CDT	Severe Thunderstorm Warning	BIS	McLean, Sheridan	49 min
Sep 16, 4:48 AM CDT	Areal Flood Warning	BIS	McLean, Mercer	5 hr
Sep 16, 5:26 PM CDT	Special Weather Statement	BIS	Ward	19 min
Sep 16, 5:46 PM CDT	Special Weather Statement	BIS	Ward	29 min
Sep 16, 6:16 PM CDT	Special Weather Statement	BIS	Ward	29 min
Sep 16, 6:39 PM CDT	Severe Thunderstorm Warning	BIS	McHenry, Ward	51 min
Sep 16, 6:53 PM CDT	Areal Flood Advisory	BIS	Ward	5 hr

Nearby

Severe Thunderstorm Warnings in North Dakota, 2024 Every severe thunderstorm warning in 2024

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.