Alert archive / Minnesota / Special Weather Statements in 2016

Special Weather Statement, NWS Duluth, MN

July 19, 2016Itasca County, Minnesota

NWS Duluth, MN issued this special weather statement at Jul 19, 2016, 10:23 PM CDT for Itasca County, Minnesota. 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 outline as issued.

The facts

Issued: Jul 19, 2016, 10:23 PM CDT (03:23 UTC)
Expired: Jul 19, 2016, 11:00 PM CDT
In force: 37 min
Issued by: NWS Duluth, MN

County Itasca County, MN

The radar

The Duluth radar (KDLH), 181 km from the middle of the area, began a volume at 03:23 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 00:00Z, 3.4 hours before the alert went out and 152 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: 581 J/kg
Mixed-layer CIN: -111 J/kg
Mixed-layer LCL: 1561 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 48 m²/s²
0-3 km storm-relative helicity: 74 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 2.2

Open this sounding in Storm Lab

The text

As transmitted.

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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 Jul 19, 6:57 PM CDT, 3 hours 26 minutes earlier.

Area forecast discussion, Jul 19, 6:57 PM CDT, 3 hours 26 minutes before

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Hazardous weather outlook, Jul 19, 3:33 PM CDT, 6 hours 50 minutes before

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In the hours before

Special weather statement, Jul 19, 10:05 PM CDT, 18 minutes before

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Special weather statement, Jul 19, 10:23 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
Jul 19, 10:05 PM CDT	Special Weather Statement	DLH		25 min
Jul 19, 10:53 PM CDT	Severe Thunderstorm Warning	DLH	Cass, Itasca	37 min
Jul 19, 11:30 PM CDT	Special Weather Statement	DLH	Cass	30 min
Jul 19, 11:53 PM CDT	Special Weather Statement	DLH	Itasca	37 min
Jul 20, 12:20 AM CDT	Special Weather Statement	DLH	Itasca	25 min
Jul 20, 12:44 AM CDT	Special Weather Statement	DLH	Itasca	31 min
Jul 20, 3:56 AM CDT	Excessive Heat Warning	DLH	Cass, Crow Wing	12 hr
Jul 20, 3:56 AM CDT	Heat Advisory	DLH	Aitkin, Cass, Crow Wing, Itasca, Koochiching, Pine	41 hr
Jul 20, 3:56 AM CDT	Heat Advisory	DLH	Carlton, Saint Louis	41 hr

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.