Alert archive / Minnesota / Mesoscale Discussions in 2013

Mesoscale Discussion 1239

June 25, 201335 counties in Minnesota; 21 counties in North Dakota; 11 counties in South Dakota

The Storm Prediction Center issued this mesoscale discussion at Jun 25, 2013, 11:21 PM CDT for 35 counties in Minnesota; 21 counties in North Dakota; 11 counties in South Dakota. It was in force for 84 min.

The area

The outline as issued.

The facts

Issued
Jun 25, 2013, 11:21 PM CDT (04:21 UTC)
Expired
Jun 26, 2013, 12:45 AM CDT
In force
84 min
Issued by
the Storm Prediction Center
All 67 counties

Becker County, MN, Beltrami County, MN, Big Stone County, MN, Cass County, MN, Chippewa County, MN, Clay County, MN, Clearwater County, MN, Crow Wing County, MN, Douglas County, MN, Grant County, MN, Hubbard County, MN, Kandiyohi County, MN, Kittson County, MN, Lac qui Parle County, MN, Lake of the Woods County, MN, Lincoln County, MN, Lyon County, MN, Mahnomen County, MN, Marshall County, MN, Morrison County, MN, Norman County, MN, Otter Tail County, MN, Pennington County, MN, Polk County, MN, Pope County, MN, Red Lake County, MN, Roseau County, MN, Stearns County, MN, Stevens County, MN, Swift County, MN, Todd County, MN, Traverse County, MN, Wadena County, MN, Wilkin County, MN, Yellow Medicine County, MN, Barnes County, ND, Benson 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, Towner County, ND, Traill County, ND, Walsh County, ND, Beadle County, SD, Brown County, SD, Clark County, SD, Codington County, SD, Day County, SD, Deuel County, SD, Grant County, SD, Hamlin County, SD, Marshall County, SD, Roberts County, SD, Spink County, SD

The radar

The Fargo/Grand Forks radar (KMVX), 59 km from the middle of the area, began a volume at 04:25 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 watches that followed

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

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 4.4 hours before the alert went out and 243 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, Bismarck Municip, ND at 00:00Z on 2013-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1491 joules per kilogram.LCLLFCEL10008507005003002001001 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, Bismarck Municip, ND at 00:00Z on 2013-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 square meters per square second.193958Sfc1 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
1491 J/kg
Mixed-layer CIN
-142 J/kg
Mixed-layer LCL
1397 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
36 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 25, 9:00 PM CDTMesoscale DiscussionSPCBig Stone, Grant, Kandiyohi, Pope, Stevens, Swift and 2 more45 min
Jun 25, 11:40 PM CDTSevere Thunderstorm WatchSPCBecker, Big Stone, Chippewa, Clay, Clearwater, Douglas and 13 more5 hr
Jun 26, 3:15 AM CDTMesoscale DiscussionSPCAitkin, Anoka, Becker, Beltrami, Benton, Big Stone and 41 more60 min
Jun 26, 1:02 PM CDTMesoscale DiscussionSPCDodge, Fillmore, Goodhue, Houston, Mower, Olmsted and 2 more118 min
Jun 26, 3:17 PM CDTMesoscale DiscussionSPCTraverse88 min

Nearby

Mesoscale Discussions in Minnesota, 2013Mesoscale Discussions in North Dakota, 2013Mesoscale Discussions in South Dakota, 2013Every mesoscale discussion in 2013

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.