Alert archive / Minnesota / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 39, NWS Duluth, MN

July 27, 2023Itasca County, Minnesota

NWS Duluth, MN issued this severe thunderstorm warning at Jul 27, 2023, 1:49 AM CDT for Itasca County, Minnesota. It was in force for 17 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 27, 2023, 1:49 AM CDT (06:49 UTC)
Expired: Jul 27, 2023, 2:06 AM CDT
In force: 17 min
Issued by: NWS Duluth, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Itasca County, MN

The radar

The Duluth radar (KDLH), 131 km from the middle of the area, began a volume at 06:48 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

International Fa, MN (KINL), launched 00:00Z, 6.8 hours before the alert went out and 120 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: 828 J/kg
Mixed-layer CIN: -53 J/kg
Mixed-layer LCL: 1914 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 52 m²/s²
0-3 km storm-relative helicity: 182 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.1

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 Duluth, MN wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 27, 1:07 AM CDT, 42 minutes earlier.

Area forecast discussion, Jul 27, 1:07 AM CDT, 42 minutes before

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Hazardous weather outlook, Jul 26, 7:19 PM CDT, 6 hours 30 minutes before

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In the hours before

Special weather statement, Jul 27, 12:57 AM CDT, 52 minutes before

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Special weather statement, Jul 27, 1:11 AM CDT, 38 minutes before

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Special weather statement, Jul 27, 1:47 AM CDT, 2 minutes before

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The office that day

Everything else NWS Duluth, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 27, 12:19 AM CDT	Severe Thunderstorm Warning	DLH	Koochiching	41 min
Jul 27, 12:57 AM CDT	Special Weather Statement	DLH	Koochiching	33 min
Jul 27, 1:11 AM CDT	Special Weather Statement	DLH	Koochiching	34 min
Jul 27, 1:47 AM CDT	Special Weather Statement	DLH	Itasca	28 min
Jul 27, 2:23 AM CDT	Special Weather Statement	DLH	Itasca	37 min
Jul 27, 2:59 AM CDT	Special Weather Statement	DLH	Saint Louis	31 min
Jul 27, 3:28 AM CDT	Special Weather Statement	DLH	Saint Louis	32 min
Jul 27, 4:46 AM CDT	Special Weather Statement	DLH	Cook	14 min
Jul 27, 2:00 PM CDT	Special Weather Statement	DLH	Aitkin	30 min
Jul 27, 2:20 PM CDT	Special Weather Statement	DLH	Carlton	25 min
Jul 27, 2:35 PM CDT	Severe Thunderstorm Warning	DLH	Carlton, Pine	40 min
Jul 27, 2:42 PM CDT	Special Weather Statement	DLH	Carlton	33 min
Jul 27, 3:01 PM CDT	Special Marine Warning	DLH		59 min
Jul 27, 3:04 PM CDT	Severe Thunderstorm Warning	DLH	Lake, Saint Louis	41 min
Jul 27, 3:04 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DLH	Pine	56 min
Jul 27, 3:17 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DLH	Aitkin, Carlton, Pine	41 min
Jul 27, 3:27 PM CDT	Severe Thunderstorm Warning	DLH	Pine	33 min
Jul 27, 3:32 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DLH	Lake, Saint Louis	30 min
Jul 27, 3:51 PM CDT	Special Marine Warning	DLH		54 min
Jul 27, 3:52 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DLH	Aitkin, Pine	38 min
Jul 27, 4:32 PM CDT	Special Marine Warning	DLH		58 min
Jul 27, 4:32 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DLH	Aitkin, Carlton, Pine	28 min
Jul 27, 5:00 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DLH	Aitkin, Carlton, Pine	45 min
Jul 27, 5:57 PM CDT	Areal Flood Advisory	DLH	Pine	41 min
Jul 27, 6:26 PM CDT	Special Marine Warning	DLH		34 min
Jul 27, 6:34 PM CDT	Special Weather Statement	DLH	Carlton	26 min
Jul 27, 6:38 PM CDT	Flash Flood Warning	DLH	Pine	4 hr
Jul 27, 5:18 AM CDT	Special Weather Statement	DLH	Douglas	12 min
Jul 27, 5:37 AM CDT	Special Weather Statement	DLH	Sawyer	23 min
Jul 27, 6:02 AM CDT	Special Weather Statement	DLH	Sawyer	28 min
Jul 27, 6:13 AM CDT	Special Weather Statement	DLH	Ashland	32 min
Jul 27, 6:50 AM CDT	Areal Flood Advisory	DLH	Bayfield	3 hr
Jul 27, 7:31 AM CDT	Special Weather Statement	DLH	Ashland	29 min
Jul 27, 11:15 AM CDT	Special Weather Statement	DLH	Washburn	30 min
Jul 27, 11:51 AM CDT	Special Weather Statement	DLH	Sawyer	24 min
Jul 27, 12:00 PM CDT	Special Weather Statement	DLH	Douglas	30 min
Jul 27, 12:27 PM CDT	Special Weather Statement	DLH	Sawyer	33 min
Jul 27, 3:42 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DLH	Ashland, Bayfield, Douglas, Sawyer, Washburn	63 min
Jul 27, 3:43 PM CDT	Severe Thunderstorm Warning	DLH	Burnett	32 min
Jul 27, 3:54 PM CDT	Severe Thunderstorm Warning	DLH	Bayfield, Douglas	51 min
Jul 27, 4:16 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DLH	Bayfield, Burnett, Douglas, Sawyer, Washburn	44 min
Jul 27, 4:23 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DLH	Bayfield, Douglas	22 min
Jul 27, 4:26 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DLH	Ashland, Iron	49 min
Jul 27, 4:28 PM CDT	Tornado Warning	DLH	Ashland, Bayfield, Sawyer	32 min
Jul 27, 4:42 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DLH	Ashland, Bayfield, Iron, Price, Sawyer, Washburn	48 min
Jul 27, 5:06 PM CDT	Flash Flood Warning	DLH	Bayfield, Douglas, Sawyer, Washburn	4 hr
Jul 27, 5:16 PM CDT	Tornado Warning	DLH	Ashland	29 min
Jul 27, 5:16 PM CDT	Tornado Warning	DLH	Price, Sawyer	29 min
Jul 27, 5:24 PM CDT	Severe Thunderstorm Warning	DLH	Price, Sawyer	51 min
Jul 27, 5:24 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DLH	Douglas	23 min
Jul 27, 5:28 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DLH	Ashland, Iron, Price, Sawyer	92 min
Jul 27, 6:03 PM CDT	Severe Thunderstorm Warning	DLH	Burnett	27 min
Jul 27, 6:05 PM CDT	Areal Flood Advisory	DLH	Ashland, Iron	3 hr
Jul 27, 6:07 PM CDT	Areal Flood Advisory	DLH	Bayfield	3 hr
Jul 27, 6:17 PM CDT	Severe Thunderstorm Warning	DLH	Price	43 min
Jul 27, 6:25 PM CDT	Severe Thunderstorm Warning	DLH	Burnett	50 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 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.