Alert archive / Minnesota / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 50, NWS Grand Forks, ND

June 18, 2024Becker County, Hubbard County, Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 18, 2024, 1:41 PM CDT for Becker County, Hubbard County, Minnesota. 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: Jun 18, 2024, 1:41 PM CDT (18:41 UTC)
Expired: Jun 18, 2024, 2:24 PM CDT
In force: 43 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Becker County, MN, Hubbard County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 163 km from the middle of the area, began a volume at 18:42 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
Jun 18, 1:24 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 6.7 hours before the alert went out and 275 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: 1493 J/kg
Mixed-layer CIN: -220 J/kg
Mixed-layer LCL: 885 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 308 m²/s²
0-3 km storm-relative helicity: 317 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.0

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 Grand Forks, ND wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 18, 12:49 PM CDT, 52 minutes earlier.

Area forecast discussion, Jun 18, 12:49 PM CDT, 52 minutes before

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Hazardous weather outlook, Jun 18, 6:42 AM CDT, 6 hours 59 minutes before

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In the hours before

Local storm report, Jun 18, 10:19 AM CDT, 3 hours 22 minutes before

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Local storm report, Jun 18, 10:20 AM CDT, 3 hours 21 minutes before

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Local storm report, Jun 18, 10:24 AM CDT, 3 hours 17 minutes before

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Local storm report, Jun 18, 10:34 AM CDT, 3 hours 7 minutes before

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Local storm report, Jun 18, 10:35 AM CDT, 3 hours 6 minutes before

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Local storm report, Jun 18, 11:07 AM CDT, 2 hours 34 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
Jun 18, 12:30 AM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Griggs, Nelson, Ramsey, Steele, Walsh	45 min
Jun 18, 1:00 AM CDT	Special Weather Statement	FGF	Barnes, Griggs, Steele	30 min
Jun 18, 1:10 AM CDT	Severe Thunderstorm Warning	FGF	Grand Forks	50 min
Jun 18, 1:23 AM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Griggs, Steele, Traill	52 min
Jun 18, 1:54 AM CDT	Severe Thunderstorm Warning	FGF	Grand Forks	51 min
Jun 18, 2:07 AM CDT	Severe Thunderstorm Warning Destructive damage threat	FGF	Cass, Steele, Traill	23 min
Jun 18, 2:11 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Barnes, Cass, Ransom, Richland, Sargent	49 min
Jun 18, 2:22 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Cass, Steele, Traill	38 min
Jun 18, 2:50 AM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Ransom, Richland, Sargent, Traill	40 min
Jun 18, 2:58 AM CDT	Areal Flood Advisory	FGF	Grand Forks	6 hr
Jun 18, 3:24 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Cass	66 min
Jun 18, 3:25 AM CDT	Severe Thunderstorm Warning	FGF	Ransom, Richland, Sargent	65 min
Jun 18, 4:27 AM CDT	Severe Thunderstorm Warning	FGF	Richland, Sargent	63 min
Jun 18, 2:42 AM CDT	Severe Thunderstorm Warning	FGF	Marshall, Pennington, Polk, Red Lake	63 min
Jun 18, 3:19 AM CDT	Flash Flood Warning	FGF	Polk	6 hr
Jun 18, 4:20 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Becker, Beltrami, Clay, Clearwater, Hubbard, Mahnomen and 3 more	55 min
Jun 18, 5:14 AM CDT	Severe Thunderstorm Warning	FGF	Becker, Beltrami, Hubbard, Otter Tail, Wadena	31 min
Jun 18, 10:44 AM CDT	River Flood Watch	FGF	Marshall	23 hr
Jun 18, 10:44 AM CDT	River Flood Watch	FGF	Polk	19 hr

Nearby

Severe Thunderstorm Warnings in Minnesota, 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.