Alert archive / Wisconsin / Special Weather Statements in 2012

Special Weather Statement, NWS Duluth, MN

May 19, 2012Douglas County, Wisconsin

NWS Duluth, MN issued this special weather statement at May 19, 2012, 7:56 PM CDT for Douglas County, Wisconsin. 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 outline as issued.

The facts

Issued: May 19, 2012, 7:56 PM CDT (00:56 UTC)
Expired: May 19, 2012, 8:30 PM CDT
In force: 34 min
Issued by: NWS Duluth, MN

County Douglas County, WI

The radar

The Duluth radar (KDLH), 56 km from the middle of the area, began a volume at 00:58 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 00:00Z, 0.9 hours before the alert went out and 193 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: 1062 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 2089 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 139 m²/s²
0-3 km storm-relative helicity: 188 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at May 19, 6:50 PM CDT, 1 hour 6 minutes earlier.

Area forecast discussion, May 19, 6:50 PM CDT, 1 hour 6 minutes before

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Hazardous weather outlook, May 19, 3:09 PM CDT, 4 hours 47 minutes before

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In the hours before

Special weather statement, May 19, 5:51 PM CDT, 2 hours 5 minutes before

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Special weather statement, May 19, 6:27 PM CDT, 1 hour 29 minutes before

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Special weather statement, May 19, 6:56 PM CDT, 1 hour before

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Special weather statement, May 19, 7:13 PM CDT, 43 minutes before

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Special weather statement, May 19, 7:19 PM CDT, 37 minutes before

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Special weather statement, May 19, 7:56 PM CDT, 0 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
May 19, 7:13 PM CDT	Special Weather Statement	DLH	Carlton, Pine	32 min
May 19, 7:19 PM CDT	Special Weather Statement	DLH	Saint Louis	41 min
May 19, 8:37 PM CDT	Special Weather Statement	DLH	Pine	23 min
May 19, 8:42 PM CDT	Special Weather Statement	DLH	Lake, Saint Louis	33 min
May 19, 8:56 PM CDT	Special Weather Statement	DLH	Aitkin, Carlton	19 min
May 19, 9:17 PM CDT	Special Weather Statement	DLH	Aitkin, Carlton, Lake, Saint Louis	43 min
May 20, 1:51 AM CDT	Special Weather Statement	DLH	Carlton	54 min
May 20, 2:32 AM CDT	Special Weather Statement	DLH	Pine	58 min
May 20, 3:23 AM CDT	Special Weather Statement	DLH	Carlton	52 min
May 19, 9:12 PM CDT	Special Weather Statement	DLH	Bayfield, Douglas, Washburn	33 min
May 20, 8:37 AM CDT	Special Weather Statement	DLH	Price	23 min
May 20, 9:14 AM CDT	Special Weather Statement	DLH	Iron, Price	31 min
May 20, 10:08 AM CDT	Special Weather Statement	DLH	Ashland, Sawyer	22 min
May 20, 10:15 AM CDT	Special Weather Statement	DLH	Iron	30 min
May 20, 10:43 AM CDT	Special Weather Statement	DLH	Sawyer	32 min
May 20, 11:08 AM CDT	Severe Thunderstorm Warning	DLH	Ashland, Iron	37 min
May 20, 12:13 PM CDT	Severe Thunderstorm Warning	DLH	Ashland, Iron	47 min
May 20, 12:28 PM CDT	Severe Thunderstorm Warning	DLH	Price	47 min
May 20, 1:06 PM CDT	Special Weather Statement	DLH	Douglas	24 min
May 20, 1:13 PM CDT	Severe Thunderstorm Warning	DLH	Iron, Price	31 min
May 20, 1:15 PM CDT	Special Weather Statement	DLH	Iron	15 min
May 20, 1:28 PM CDT	Special Weather Statement	DLH	Douglas	32 min
May 20, 1:52 PM CDT	Special Weather Statement	DLH	Iron, Price	38 min
May 20, 2:04 PM CDT	Severe Thunderstorm Warning	DLH	Ashland, Iron, Price	56 min

Nearby

Special Weather Statements in Wisconsin, 2012 Every special weather statement in 2012

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.