Alert archive / North Dakota / Mesoscale Discussions in 2016

Mesoscale Discussion 1136

July 4, 201618 counties in Minnesota; 28 counties in North Dakota; 8 counties in South Dakota

The Storm Prediction Center issued this mesoscale discussion at Jul 4, 2016, 8:29 PM CDT for 18 counties in Minnesota; 28 counties in North Dakota; 8 counties in South Dakota. It was in force for 91 min.

The area

The outline as issued.

The facts

Issued
Jul 4, 2016, 8:29 PM CDT (01:29 UTC)
Expired
Jul 4, 2016, 10:00 PM CDT
In force
91 min
Issued by
the Storm Prediction Center
All 54 counties

Becker County, MN, Big Stone County, MN, Clay County, MN, Clearwater County, MN, Grant County, MN, Kittson County, MN, Lake of the Woods 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, Roseau County, MN, Stevens County, MN, Traverse County, MN, Wilkin County, MN, Barnes County, ND, Benson County, ND, Cass County, ND, Cavalier County, ND, Dickey County, ND, Eddy County, ND, Emmons 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, Pierce County, ND, Ramsey County, ND, Ransom County, ND, Richland County, ND, Rolette County, ND, Sargent County, ND, Steele County, ND, Stutsman County, ND, Towner County, ND, Traill County, ND, Walsh County, ND, Wells County, ND, Brown County, SD, Campbell County, SD, Day County, SD, Edmunds County, SD, Marshall County, SD, McPherson County, SD, Roberts County, SD, Walworth County, SD

The radar

The Fargo/Grand Forks radar (KMVX), 115 km from the middle of the area, began a volume at 01:33 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, 1.5 hours before the alert went out and 178 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 2016-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 471 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 2016-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 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
471 J/kg
Mixed-layer CIN
-95 J/kg
Mixed-layer LCL
2396 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
124 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 4, 11:57 PM CDTMesoscale DiscussionSPCChippewa, Kandiyohi, Lac qui Parle, Redwood, Renville, Stevens and 2 more93 min
Jul 5, 1:19 PM CDTMesoscale DiscussionSPCAnoka, Benton, Big Stone, Carver, Chippewa, Douglas and 15 more56 min
Jul 5, 2:06 PM CDTTornado WatchSPCBenton, Big Stone, Brown, Chippewa, Cottonwood, Douglas and 24 more6 hr
Jul 5, 2:57 PM CDTMesoscale DiscussionSPCJackson, Murray, Nobles, Pipestone, Rock63 min
Jul 5, 3:29 PM CDTSevere Thunderstorm WatchSPCJackson, Nobles, Pipestone, Rock7 hr
Jul 5, 4:10 PM CDTSevere Thunderstorm WatchSPCAnoka, Blue Earth, Carver, Chisago, Dakota, Dodge and 19 more7 hr
Jul 5, 5:08 PM CDTMesoscale DiscussionSPCAnoka, Benton, Big Stone, Brown, Carver, Chippewa and 30 more97 min
Jul 5, 5:17 PM CDTMesoscale DiscussionSPCItasca, Lake, Saint Louis118 min

Nearby

Mesoscale Discussions in North Dakota, 2016Mesoscale Discussions in Minnesota, 2016Mesoscale Discussions in South Dakota, 2016Every mesoscale discussion 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.