Alert archive / Minnesota / Tornado Warnings in 2010

Tornado Warning 25, NWS Duluth, MN

July 14, 2010Pine County, Minnesota; Burnett County, Wisconsin

NWS Duluth, MN issued this tornado warning at Jul 14, 2010, 6:04 PM CDT for Pine County, Minnesota; Burnett County, Wisconsin. It was in force for 41 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 14, 2010, 6:04 PM CDT (23:04 UTC)
Expired: Jul 14, 2010, 6:45 PM CDT
In force: 41 min
Issued by: NWS Duluth, MN
Area: Storm-based polygon

Counties Pine County, MN, Burnett County, WI

The radar

The Duluth radar (KDLH), 98 km from the middle of the area, began a volume at 23:07 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 14, 3:53 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 11.1 hours before the alert went out and 151 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: 2915 J/kg
Mixed-layer CIN: -94 J/kg
Mixed-layer LCL: 616 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 282 m²/s²
0-3 km storm-relative helicity: 379 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 16.3

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this tornado 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 tornado warning went out at Jul 14, 2:05 PM CDT, 3 hours 59 minutes earlier.

Area forecast discussion, Jul 14, 2:05 PM CDT, 3 hours 59 minutes before

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Hazardous weather outlook, Jul 14, 1:00 PM CDT, 5 hours 4 minutes before

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In the hours before

Special weather statement, Jul 14, 4:36 PM CDT, 1 hour 28 minutes before

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Local storm report, Jul 14, 4:38 PM CDT, 1 hour 26 minutes before

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Local storm report, Jul 14, 5:00 PM CDT, 1 hour 4 minutes before

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Special weather statement, Jul 14, 5:29 PM CDT, 35 minutes before

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Local storm report, Jul 14, 5:50 PM CDT, 14 minutes before

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Special weather statement, Jul 14, 5:58 PM CDT, 6 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, 12:28 AM CDT	Special Weather Statement	DLH	Koochiching	32 min
Jul 14, 1:04 AM CDT	Special Weather Statement	DLH	Koochiching	56 min
Jul 14, 4:14 AM CDT	Special Weather Statement	DLH	Koochiching	61 min
Jul 14, 5:14 AM CDT	Special Weather Statement	DLH	Koochiching	46 min
Jul 14, 5:25 AM CDT	Special Weather Statement	DLH	Saint Louis	20 min
Jul 14, 5:53 AM CDT	Severe Thunderstorm Warning	DLH	Cass, Itasca	37 min
Jul 14, 6:34 AM CDT	Special Weather Statement	DLH	Aitkin, Cass, Crow Wing, Itasca, Koochiching	11 min
Jul 14, 7:04 AM CDT	Severe Thunderstorm Warning	DLH	Cass, Crow Wing	56 min
Jul 14, 7:13 AM CDT	Special Weather Statement	DLH	Koochiching	17 min
Jul 14, 7:38 AM CDT	Special Weather Statement	DLH	Aitkin, Carlton, Pine	27 min
Jul 14, 7:59 AM CDT	Severe Thunderstorm Warning	DLH	Aitkin, Cass, Crow Wing, Itasca	61 min
Jul 14, 8:12 AM CDT	Special Weather Statement	DLH	Carlton, Pine	48 min
Jul 14, 8:28 AM CDT	Special Weather Statement	DLH	Itasca, Koochiching	62 min
Jul 14, 8:36 AM CDT	Severe Thunderstorm Warning	DLH	Aitkin, Carlton, Itasca, Pine, Saint Louis	54 min
Jul 14, 8:42 AM CDT	Special Marine Warning	DLH		93 min
Jul 14, 9:26 AM CDT	Special Marine Warning	DLH		64 min
Jul 14, 9:27 AM CDT	Severe Thunderstorm Warning	DLH	Carlton, Lake, Pine, Saint Louis	48 min
Jul 14, 10:18 AM CDT	Special Weather Statement	DLH	Cook, Lake	12 min
Jul 14, 10:22 AM CDT	Special Marine Warning	DLH		53 min
Jul 14, 12:42 PM CDT	Special Weather Statement	DLH	Lake	18 min
Jul 14, 2:26 PM CDT	Special Weather Statement	DLH	Cass, Crow Wing, Itasca	19 min
Jul 14, 3:00 PM CDT	Special Weather Statement	DLH	Koochiching	30 min
Jul 14, 3:13 PM CDT	Severe Thunderstorm Warning	DLH	Cass, Crow Wing	32 min
Jul 14, 3:42 PM CDT	Severe Thunderstorm Warning	DLH	Aitkin, Cass, Crow Wing, Itasca	48 min
Jul 14, 4:28 PM CDT	Special Weather Statement	DLH	Aitkin	32 min
Jul 14, 4:36 PM CDT	Special Weather Statement	DLH	Itasca	24 min
Jul 14, 5:29 PM CDT	Special Weather Statement	DLH	Pine	31 min
Jul 14, 5:53 PM CDT	Severe Thunderstorm Warning	DLH	Pine	67 min
Jul 14, 6:50 PM CDT	Special Weather Statement	DLH	Cook	25 min
Jul 14, 5:34 AM CDT	Special Weather Statement	DLH	Douglas	26 min
Jul 14, 10:10 AM CDT	Severe Thunderstorm Warning	DLH	Ashland, Bayfield, Burnett, Douglas, Sawyer, Washburn	65 min
Jul 14, 10:23 AM CDT	Special Weather Statement	DLH	Iron, Price	37 min
Jul 14, 11:08 AM CDT	Severe Thunderstorm Warning	DLH	Ashland, Bayfield, Iron, Price, Sawyer, Washburn	67 min
Jul 14, 12:13 PM CDT	Severe Thunderstorm Warning	DLH	Price	25 min
Jul 14, 12:43 PM CDT	Special Weather Statement	DLH	Bayfield	17 min
Jul 14, 12:45 PM CDT	Special Weather Statement	DLH	Washburn	15 min
Jul 14, 1:30 PM CDT	Special Weather Statement	DLH	Burnett	15 min
Jul 14, 2:01 PM CDT	Special Weather Statement	DLH	Sawyer, Washburn	44 min
Jul 14, 2:11 PM CDT	Special Weather Statement	DLH	Bayfield	19 min
Jul 14, 2:45 PM CDT	Special Weather Statement	DLH	Iron	30 min
Jul 14, 3:09 PM CDT	Severe Thunderstorm Warning	DLH	Ashland, Iron, Price, Sawyer	51 min
Jul 14, 3:27 PM CDT	Special Weather Statement	DLH	Price	48 min
Jul 14, 4:02 PM CDT	Severe Thunderstorm Warning	DLH	Price, Sawyer	58 min
Jul 14, 4:18 PM CDT	Flash Flood Warning	DLH	Price, Sawyer	117 min
Jul 14, 4:35 PM CDT	Special Weather Statement	DLH	Iron	55 min
Jul 14, 4:57 PM CDT	Severe Thunderstorm Warning	DLH	Price	33 min
Jul 14, 5:58 PM CDT	Special Weather Statement	DLH	Douglas	32 min
Jul 14, 6:16 PM CDT	Severe Thunderstorm Warning	DLH	Bayfield, Douglas	29 min

Nearby

Tornado Warnings in Minnesota, 2010 Tornado Warnings in Wisconsin, 2010 Every tornado warning in 2010 Tornadoes in 2010

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.