Alert archive / North Dakota / Mesoscale Discussions in 2008

Mesoscale Discussion 1693

July 5, 20089 counties in Minnesota; 22 counties in North Dakota

The Storm Prediction Center issued this mesoscale discussion at Jul 5, 2008, 8:15 PM CDT for 9 counties in Minnesota; 22 counties in North Dakota. It was in force for 60 min.

The area

The outline as issued.

The facts

Issued: Jul 5, 2008, 8:15 PM CDT (01:15 UTC)
Expired: Jul 5, 2008, 9:15 PM CDT
In force: 60 min
Issued by: the Storm Prediction Center

All 31 counties

Clay County, MN, Kittson County, MN, Marshall County, MN, Norman County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN, Roseau County, MN, Wilkin County, MN, Barnes County, ND, Cass County, ND, Cavalier County, ND, Dickey County, ND, Eddy County, ND, Foster County, ND, Grand Forks County, ND, Griggs County, ND, Kidder County, ND, LaMoure County, ND, Logan County, ND, McIntosh County, ND, Nelson County, ND, Pembina County, ND, Ramsey County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Steele County, ND, Stutsman County, ND, Traill County, ND, Walsh County, ND

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 1.3 hours before the alert went out and 238 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: 1696 J/kg
Mixed-layer CIN: -17 J/kg
Mixed-layer LCL: 1951 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: -20 m²/s²
0-3 km storm-relative helicity: -53 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -2.4

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
Jul 5, 10:51 PM CDT	Mesoscale Discussion	SPC	Kittson, Marshall, Pennington, Polk, Red Lake, Roseau	54 min
Jul 6, 2:36 PM CDT	Mesoscale Discussion	SPC	Blue Earth, Brown, Carver, Cottonwood, Dakota, Dodge and 18 more	114 min
Jul 6, 3:05 PM CDT	Severe Thunderstorm Watch	SPC	Blue Earth, Brown, Cottonwood, Faribault, Freeborn, Goodhue and 9 more	7 hr
Jul 6, 5:38 PM CDT	Mesoscale Discussion	SPC	Dodge, Fillmore, Houston, Mower, Olmsted, Wabasha and 1 more	2 hr
Jul 6, 6:54 PM CDT	Mesoscale Discussion	SPC	Blue Earth, Dodge, Faribault, Fillmore, Freeborn, Houston and 7 more	66 min

Nearby

Mesoscale Discussions in North Dakota, 2008 Mesoscale Discussions in Minnesota, 2008 Every mesoscale discussion in 2008

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.