Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 35, NWS Duluth, MN

July 7, 2014Sawyer County, Washburn County, Wisconsin

NWS Duluth, MN issued this severe thunderstorm warning at Jul 7, 2014, 3:08 PM CDT for Sawyer County, Washburn County, Wisconsin. It was in force for 37 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 7, 2014, 3:08 PM CDT (20:08 UTC)
Expired: Jul 7, 2014, 3:45 PM CDT
In force: 37 min
Issued by: NWS Duluth, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Sawyer County, WI, Washburn County, WI

The radar

The Duluth radar (KDLH), 120 km from the middle of the area, began a volume at 20:09 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

Minneapolis, MN (KMPX), launched 12:00Z, 8.1 hours before the alert went out and 203 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1744 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 50 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 7, 12:41 PM CDT, 2 hours 27 minutes earlier.

Area forecast discussion, Jul 7, 12:41 PM CDT, 2 hours 27 minutes before

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Hazardous weather outlook, Jul 7, 4:34 AM CDT, 10 hours 34 minutes before

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In the hours before

Special weather statement, Jul 7, 1:28 PM CDT, 1 hour 40 minutes before

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Special weather statement, Jul 7, 2:10 PM CDT, 58 minutes before

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Special weather statement, Jul 7, 2:12 PM CDT, 56 minutes before

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Local storm report, Jul 7, 2:42 PM CDT, 26 minutes before

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Special weather statement, Jul 7, 2:45 PM CDT, 23 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 7, 2:12 PM CDT	Special Weather Statement	DLH	Pine	48 min
Jul 7, 4:40 PM CDT	Special Weather Statement	DLH	Saint Louis	20 min
Jul 7, 5:21 PM CDT	Special Weather Statement	DLH		24 min
Jul 7, 6:11 PM CDT	Special Weather Statement	DLH	Itasca	34 min
Jul 7, 6:22 PM CDT	Special Weather Statement	DLH	Saint Louis	23 min
Jul 7, 1:28 PM CDT	Special Weather Statement	DLH	Sawyer, Washburn	47 min
Jul 7, 2:10 PM CDT	Special Weather Statement	DLH	Washburn	35 min
Jul 7, 2:45 PM CDT	Special Weather Statement	DLH	Washburn	15 min
Jul 7, 3:53 PM CDT	Special Weather Statement	DLH	Sawyer	37 min
Jul 7, 4:07 PM CDT	Special Weather Statement	DLH	Price	23 min
Jul 7, 4:35 PM CDT	Special Weather Statement	DLH	Price	25 min
Jul 7, 4:53 PM CDT	Special Weather Statement	DLH	Ashland	37 min
Jul 7, 6:55 PM CDT	Special Weather Statement	DLH	Douglas	35 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2014 Every severe thunderstorm warning in 2014

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.