Alert archive / Minnesota / Special Weather Statements in 2016

Special Weather Statement, NWS Duluth, MN

June 17, 2016Cass County, Minnesota

NWS Duluth, MN issued this special weather statement at Jun 17, 2016, 12:21 PM CDT for Cass County, Minnesota. It was in force for 24 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: Jun 17, 2016, 12:21 PM CDT (17:21 UTC)
Expired: Jun 17, 2016, 12:45 PM CDT
In force: 24 min
Issued by: NWS Duluth, MN

County Cass County, MN

The radar

The Duluth radar (KDLH), 179 km from the middle of the area, began a volume at 17:25 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

International Fa, MN (KINL), launched 12:00Z, 5.4 hours before the alert went out and 186 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: 1685 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 110 m²/s²
0-3 km storm-relative helicity: 126 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 17, 8:49 AM CDT	Special Weather Statement	DLH	Koochiching	116 min
Jun 17, 9:43 AM CDT	Special Weather Statement	DLH	Koochiching	47 min
Jun 17, 9:46 AM CDT	Special Weather Statement	DLH	Cass	59 min
Jun 17, 10:23 AM CDT	Severe Thunderstorm Warning	DLH	Koochiching	37 min
Jun 17, 10:47 AM CDT	Special Weather Statement	DLH	Cass	13 min
Jun 17, 10:55 AM CDT	Special Weather Statement	DLH	Itasca	20 min
Jun 17, 10:59 AM CDT	Special Weather Statement	DLH	Crow Wing	31 min
Jun 17, 11:04 AM CDT	Special Weather Statement	DLH	Koochiching	26 min
Jun 17, 11:10 AM CDT	Special Weather Statement	DLH	Cass	20 min
Jun 17, 11:26 AM CDT	Special Weather Statement	DLH	Itasca	19 min
Jun 17, 11:34 AM CDT	Special Weather Statement	DLH	Cass, Crow Wing	26 min
Jun 17, 11:56 AM CDT	Special Weather Statement	DLH	Itasca	34 min
Jun 17, 12:04 PM CDT	Special Weather Statement	DLH	Crow Wing	26 min
Jun 17, 12:29 PM CDT	Special Weather Statement	DLH	Saint Louis	31 min
Jun 17, 12:53 PM CDT	Special Weather Statement	DLH	Cass	22 min
Jun 17, 1:24 PM CDT	Special Weather Statement	DLH	Crow Wing	21 min
Jun 17, 1:56 PM CDT	Special Weather Statement	DLH	Crow Wing	19 min
Jun 17, 2:25 PM CDT	Special Weather Statement	DLH	Crow Wing	20 min
Jun 17, 4:40 PM CDT	Special Weather Statement	DLH	Pine	35 min

Nearby

Special Weather Statements in Minnesota, 2016 Every special weather statement in 2016

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.