Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 55, NWS Duluth, MN

June 17, 2018Price County, Wisconsin

NWS Duluth, MN issued this severe thunderstorm warning at Jun 17, 2018, 7:10 PM CDT for Price County, Wisconsin. It was in force for 35 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: Jun 17, 2018, 7:10 PM CDT (00:10 UTC)
Expired: Jun 17, 2018, 7:45 PM CDT
In force: 35 min
Issued by: NWS Duluth, MN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Price County, WI

The radar

The Duluth radar (KDLH), 192 km from the middle of the area, began a volume at 00:09 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 17, 12:34 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 0.2 hours before the alert went out and 222 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: 1303 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 1550 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 87 m²/s²
0-3 km storm-relative helicity: 181 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 4.6

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 Jun 17, 3:50 PM CDT, 3 hours 20 minutes earlier.

Area forecast discussion, Jun 17, 3:50 PM CDT, 3 hours 20 minutes before

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Hazardous weather outlook, Jun 17, 5:11 PM CDT, 1 hour 59 minutes before

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In the hours before

Local storm report, Jun 17, 5:47 PM CDT, 1 hour 23 minutes before

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Local storm report, Jun 17, 5:49 PM CDT, 1 hour 21 minutes before

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Special weather statement, Jun 17, 6:03 PM CDT, 1 hour 7 minutes before

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Special weather statement, Jun 17, 6:17 PM CDT, 53 minutes before

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Special weather statement, Jun 17, 6:33 PM CDT, 37 minutes before

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Local storm report, Jun 17, 6:56 PM CDT, 14 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
Jun 18, 12:42 PM CDT	Flash Flood Warning	DLH	Pine	6 hr
Jun 18, 2:47 PM CDT	Areal Flood Warning	DLH	Carlton, Pine	31 hr
Jun 18, 6:29 PM CDT	Flash Flood Warning	DLH	Pine	17 hr

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2018 Every severe thunderstorm warning in 2018

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.