Alert archive / Minnesota / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 52, NWS Duluth, MN

July 15, 2019Saint Louis County, Minnesota

NWS Duluth, MN issued this severe thunderstorm warning at Jul 15, 2019, 4:26 PM CDT for Saint Louis County, Minnesota. It was in force for 34 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 15, 2019, 4:26 PM CDT (21:26 UTC)
Expired: Jul 15, 2019, 5:00 PM CDT
In force: 34 min
Issued by: NWS Duluth, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Saint Louis County, MN

The radar

The Duluth radar (KDLH), 86 km from the middle of the area, began a volume at 21:27 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
Jul 15, 1:50 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 9.4 hours before the alert went out and 317 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: 1021 J/kg
Mixed-layer CIN: -144 J/kg
Mixed-layer LCL: 1307 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 59 m²/s²
0-3 km storm-relative helicity: 87 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 Duluth, MN wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 15, 3:34 PM CDT, 52 minutes earlier.

Area forecast discussion, Jul 15, 3:34 PM CDT, 52 minutes before

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Hazardous weather outlook, Jul 15, 3:37 PM CDT, 49 minutes before

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In the hours before

Local storm report, Jul 15, 3:52 PM CDT, 34 minutes before

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Special weather statement, Jul 15, 4:02 PM CDT, 24 minutes before

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Local storm report, Jul 15, 4:04 PM CDT, 22 minutes before

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Local storm report, Jul 15, 4:16 PM CDT, 10 minutes before

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Special weather statement, Jul 15, 4:18 PM CDT, 8 minutes before

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Special weather statement, Jul 15, 4:19 PM CDT, 7 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 14, 7:03 PM CDT	Special Weather Statement	DLH	Aitkin	12 min
Jul 14, 7:13 PM CDT	Severe Thunderstorm Warning	DLH	Aitkin, Carlton, Pine	47 min
Jul 14, 7:30 PM CDT	Areal Flood Warning	DLH	Crow Wing	73 min
Jul 14, 8:14 PM CDT	Special Weather Statement	DLH	Pine	31 min
Jul 14, 8:44 PM CDT	Special Weather Statement	DLH	Pine	31 min
Jul 14, 9:02 PM CDT	Special Weather Statement	DLH		13 min
Jul 14, 9:15 PM CDT	Special Marine Warning	DLH		60 min
Jul 14, 10:00 PM CDT	Special Weather Statement	DLH		15 min
Jul 15, 11:20 AM CDT	Special Weather Statement	DLH	Koochiching	10 min
Jul 15, 11:31 AM CDT	Special Weather Statement	DLH	Koochiching	14 min
Jul 15, 11:49 AM CDT	Special Weather Statement	DLH	Koochiching	11 min
Jul 15, 12:01 PM CDT	Severe Thunderstorm Warning	DLH	Koochiching	44 min
Jul 15, 12:35 PM CDT	Severe Thunderstorm Warning	DLH	Koochiching	40 min
Jul 15, 12:53 PM CDT	Special Weather Statement	DLH	Koochiching	22 min
Jul 15, 1:03 PM CDT	Severe Thunderstorm Warning	DLH	Itasca, Koochiching	42 min
Jul 15, 1:17 PM CDT	Severe Thunderstorm Warning	DLH	Itasca, Koochiching, Saint Louis	28 min
Jul 15, 1:52 PM CDT	Special Weather Statement	DLH	Koochiching	38 min
Jul 15, 1:54 PM CDT	Special Weather Statement	DLH	Itasca	51 min
Jul 15, 2:22 PM CDT	Severe Thunderstorm Warning	DLH	Itasca	38 min
Jul 15, 2:34 PM CDT	Special Weather Statement	DLH	Saint Louis	41 min
Jul 15, 2:45 PM CDT	Special Weather Statement	DLH	Saint Louis	15 min
Jul 15, 2:53 PM CDT	Special Weather Statement	DLH	Saint Louis	22 min
Jul 15, 2:54 PM CDT	Severe Thunderstorm Warning	DLH	Lake, Saint Louis	51 min
Jul 15, 3:03 PM CDT	Special Weather Statement	DLH		12 min
Jul 15, 3:18 PM CDT	Special Weather Statement	DLH	Saint Louis	12 min
Jul 15, 3:33 PM CDT	Severe Thunderstorm Warning	DLH	Cook, Lake, Saint Louis	42 min
Jul 15, 3:38 PM CDT	Special Weather Statement	DLH	Saint Louis	22 min
Jul 15, 3:40 PM CDT	Special Weather Statement	DLH	Carlton	20 min
Jul 15, 3:47 PM CDT	Special Weather Statement	DLH	Morrison	13 min
Jul 15, 4:02 PM CDT	Special Weather Statement	DLH	Morrison	13 min
Jul 15, 4:12 PM CDT	Severe Thunderstorm Warning	DLH	Cook, Lake	63 min
Jul 15, 4:18 PM CDT	Special Weather Statement	DLH	Morrison	12 min
Jul 15, 4:19 PM CDT	Special Weather Statement	DLH	Saint Louis	11 min
Jul 15, 4:31 PM CDT	Special Marine Warning	DLH		44 min
Jul 15, 4:39 PM CDT	Special Marine Warning	DLH		51 min
Jul 15, 4:53 PM CDT	Severe Thunderstorm Warning	DLH	Lake, Saint Louis	30 min
Jul 15, 5:00 PM CDT	Severe Thunderstorm Warning	DLH	Lake	15 min
Jul 15, 5:04 PM CDT	Special Marine Warning	DLH		56 min
Jul 15, 5:24 PM CDT	Special Weather Statement	DLH	Chisago	21 min
Jul 15, 5:27 PM CDT	Special Marine Warning	DLH		33 min
Jul 15, 5:31 PM CDT	Special Marine Warning	DLH		44 min
Jul 15, 5:38 PM CDT	Severe Thunderstorm Warning	DLH	Pine	37 min
Jul 15, 5:43 PM CDT	Special Marine Warning	DLH		62 min
Jul 15, 12:10 AM CDT	Special Weather Statement	DLH	Iron	35 min
Jul 15, 1:08 AM CDT	Areal Flood Advisory	DLH	Ashland, Iron	4 hr
Jul 15, 1:35 AM CDT	Areal Flood Advisory	DLH	Ashland, Bayfield, Iron	3 hr
Jul 15, 4:56 AM CDT	Special Weather Statement	DLH	Sawyer	34 min
Jul 15, 5:36 AM CDT	Special Weather Statement	DLH	Sawyer	24 min
Jul 15, 6:13 AM CDT	Special Weather Statement	DLH	Rusk	32 min
Jul 15, 3:05 PM CDT	Special Weather Statement	DLH	Price	25 min
Jul 15, 3:30 PM CDT	Special Weather Statement	DLH	Price	15 min
Jul 15, 3:48 PM CDT	Special Weather Statement	DLH	Price	12 min
Jul 15, 5:03 PM CDT	Special Weather Statement	DLH	Washburn	12 min
Jul 15, 5:18 PM CDT	Special Weather Statement	DLH	Sawyer	12 min
Jul 15, 5:30 PM CDT	Special Weather Statement	DLH	Sawyer	15 min
Jul 15, 5:34 PM CDT	Special Weather Statement	DLH	Washburn	11 min
Jul 15, 5:40 PM CDT	Severe Thunderstorm Warning	DLH	Sawyer	23 min
Jul 15, 5:45 PM CDT	Special Weather Statement	DLH	Bayfield	30 min
Jul 15, 6:02 PM CDT	Special Weather Statement	DLH	Ashland, Bayfield, Douglas	28 min
Jul 15, 6:12 PM CDT	Special Weather Statement	DLH	Burnett	18 min
Jul 15, 6:26 PM CDT	Special Weather Statement	DLH	Sawyer	19 min
Jul 15, 6:32 PM CDT	Special Weather Statement	DLH	Washburn	13 min
Jul 15, 6:35 PM CDT	Areal Flood Warning	DLH	Sawyer	2 hr
Jul 15, 6:37 PM CDT	Special Weather Statement	DLH	Ashland	23 min
Jul 15, 6:52 PM CDT	Special Weather Statement	DLH	Sawyer	23 min
Jul 15, 6:56 PM CDT	Special Weather Statement	DLH	Douglas	19 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2019 Every severe thunderstorm warning in 2019

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.