Alert archive / Minnesota / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 177, NWS Grand Forks, ND

July 16, 2022Pennington County, Red Lake County, Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 16, 2022, 5:51 PM CDT for Pennington County, Red Lake County, Minnesota. It was in force for 44 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 16, 2022, 5:51 PM CDT (22:51 UTC)
Expired: Jul 16, 2022, 6:35 PM CDT
In force: 44 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Pennington County, MN, Red Lake County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 106 km from the middle of the area, began a volume at 22:51 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 12:00Z, 10.9 hours before the alert went out and 385 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: 1732 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 867 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 58 m²/s²
0-3 km storm-relative helicity: 126 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 4.0

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 Jul 16, 3:53 PM CDT, 1 hour 58 minutes earlier.

Area forecast discussion, Jul 16, 3:53 PM CDT, 1 hour 58 minutes before

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Hazardous weather outlook, Jul 16, 4:05 PM CDT, 1 hour 46 minutes before

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In the hours before

Special weather statement, Jul 16, 4:04 PM CDT, 1 hour 47 minutes before

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Special weather statement, Jul 16, 4:10 PM CDT, 1 hour 41 minutes before

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Local storm report, Jul 16, 4:13 PM CDT, 1 hour 38 minutes before

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Special weather statement, Jul 16, 5:22 PM CDT, 29 minutes before

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Special weather statement, Jul 16, 5:43 PM CDT, 8 minutes before

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Special weather statement, Jul 16, 5:44 PM CDT, 7 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 16, 5:40 AM CDT	Special Weather Statement	FGF	Cavalier	35 min
Jul 16, 6:13 AM CDT	Special Weather Statement	FGF	Pembina	47 min
Jul 16, 7:33 AM CDT	Special Weather Statement	FGF	Walsh	27 min
Jul 16, 7:57 AM CDT	Special Weather Statement	FGF	Grand Forks	33 min
Jul 16, 3:50 PM CDT	Flash Flood Warning	FGF	Ransom	3 hr
Jul 16, 4:10 PM CDT	Special Weather Statement	FGF	Ransom	20 min
Jul 16, 2:43 PM CDT	Areal Flood Advisory	FGF	Clay	2 hr
Jul 16, 3:24 PM CDT	Special Weather Statement	FGF	Wilkin	36 min
Jul 16, 4:04 PM CDT	Special Weather Statement	FGF	Otter Tail	26 min
Jul 16, 4:13 PM CDT	Severe Thunderstorm Warning	FGF	Otter Tail	29 min
Jul 16, 4:36 PM CDT	Severe Thunderstorm Warning	FGF	Pennington, Red Lake	54 min
Jul 16, 4:58 PM CDT	Areal Flood Advisory	FGF	Otter Tail	6 hr
Jul 16, 5:22 PM CDT	Special Weather Statement	FGF	Red Lake	23 min
Jul 16, 5:43 PM CDT	Special Weather Statement	FGF	Pennington	32 min
Jul 16, 5:44 PM CDT	Special Weather Statement	FGF	Red Lake	31 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2022 Every severe thunderstorm warning in 2022

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.