Alert archive / North Dakota / Mesoscale Discussions in 2005

Mesoscale Discussion 1387

June 19, 2005McLean County, North Dakota

The Storm Prediction Center issued this mesoscale discussion at Jun 19, 2005, 3:32 AM CDT for McLean County, North Dakota. It was in force for 88 min.

The area

The outline as issued.

The facts

Issued: Jun 19, 2005, 3:32 AM CDT (08:32 UTC)
Expired: Jun 19, 2005, 5:00 AM CDT
In force: 88 min
Issued by: the Storm Prediction Center

County McLean County, ND

The radar

The Bismarck radar (KBIS), 99 km from the middle of the area, began a volume at 08:33 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

Bismarck Municip, ND (KBIS), launched 00:00Z, 8.5 hours before the alert went out and 101 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: 3392 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 1315 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 54 m²/s²
0-3 km storm-relative helicity: 79 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 4.3

Open this sounding in Storm Lab

The text

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

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 18, 9:16 PM CDT	Mesoscale Discussion	SPC	Adams, Billings, Bottineau, Bowman, Burleigh, Dunn and 16 more	119 min
Jun 18, 10:10 PM CDT	Severe Thunderstorm Watch	SPC	Adams, Billings, Bowman, Dunn, Golden Valley, Hettinger and 5 more	7 hr
Jun 19, 1:35 AM CDT	Mesoscale Discussion	SPC	Adams, Benson, Billings, Bowman, Burleigh, Cavalier and 31 more	85 min
Jun 19, 1:50 AM CDT	Severe Thunderstorm Watch	SPC	Adams, Benson, Bottineau, Burleigh, Emmons, Grant and 15 more	6 hr
Jun 19, 5:07 AM CDT	Mesoscale Discussion	SPC	Benson, Cavalier, Pembina, Ramsey, Towner, Walsh	83 min
Jun 19, 3:23 PM CDT	Mesoscale Discussion	SPC	Cass, Grand Forks, Griggs, Steele, Traill	97 min
Jun 19, 3:30 PM CDT	Severe Thunderstorm Watch	SPC	Barnes, Cass, Grand Forks, Griggs, Ransom, Richland and 3 more	8 hr
Jun 19, 3:57 PM CDT	Mesoscale Discussion	SPC	Dickey, Emmons, LaMoure, Logan, McIntosh, Sioux and 1 more	2 hr

Nearby

Mesoscale Discussions in North Dakota, 2005 Every mesoscale discussion in 2005

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.