Alert archive / South Dakota / Mesoscale Discussions in 2008

Mesoscale Discussion 1341

June 12, 200816 counties in Minnesota; 19 counties in North Dakota; 24 counties in South Dakota

The Storm Prediction Center issued this mesoscale discussion at Jun 12, 2008, 2:51 PM CDT for 16 counties in Minnesota; 19 counties in North Dakota; 24 counties in South Dakota. It was in force for 114 min.

The area

The outline as issued.

The facts

Issued
Jun 12, 2008, 2:51 PM CDT (19:51 UTC)
Expired
Jun 12, 2008, 4:45 PM CDT
In force
114 min
Issued by
the Storm Prediction Center
All 59 counties

Becker County, MN, Big Stone County, MN, Clay County, MN, Grant County, MN, Kittson County, MN, Lac qui Parle County, MN, Mahnomen County, MN, Marshall County, MN, Norman County, MN, Otter Tail County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN, Stevens County, MN, Traverse 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, LaMoure 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, Aurora County, SD, Beadle County, SD, Brookings County, SD, Brown County, SD, Buffalo County, SD, Clark County, SD, Codington County, SD, Davison County, SD, Day County, SD, Deuel County, SD, Faulk County, SD, Grant County, SD, Hamlin County, SD, Hand County, SD, Hanson County, SD, Jerauld County, SD, Kingsbury County, SD, Lake County, SD, Marshall County, SD, McCook County, SD, Miner County, SD, Roberts County, SD, Sanborn County, SD, Spink County, SD

The radar

The Fargo/Grand Forks radar (KMVX), 108 km from the middle of the area, began a volume at 19:52 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 7.9 hours before the alert went out and 196 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-pSkew-T log-p diagram, Aberdeen, SD at 12:00Z on 2008-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 12:00Z on 2008-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -16 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
1127 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
-16 m²/s²
0-3 km storm-relative helicity
-19 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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.

IssuedProductOfficeCountiesLasted
Jun 11, 8:05 PM CDTMesoscale DiscussionSPCCarver, Dakota, Dodge, Faribault, Fillmore, Freeborn and 12 more115 min
Jun 11, 8:39 PM CDTTornado WatchSPCCarver, Dakota, Dodge, Fillmore, Freeborn, Goodhue and 13 more5 hr
Jun 11, 9:58 PM CDTMesoscale DiscussionSPCDakota, Dodge, Faribault, Fillmore, Freeborn, Goodhue and 8 more92 min
Jun 11, 11:41 PM CDTMesoscale DiscussionSPCDodge, Fillmore, Goodhue, Houston, Mower, Olmsted and 2 more2 hr
Jun 12, 3:33 PM CDTSevere Thunderstorm WatchSPCBecker, Beltrami, Big Stone, Chippewa, Clay, Clearwater and 22 more6 hr

Nearby

Mesoscale Discussions in South Dakota, 2008Mesoscale Discussions in North Dakota, 2008Mesoscale Discussions in Minnesota, 2008Every 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; radar from the NEXRAD Level II archive.