Alert archive / North Dakota / Mesoscale Discussions in 2005

Mesoscale Discussion 1386

June 19, 20054 counties in Montana; 37 counties in North Dakota; Corson County, Harding County, Perkins County, South Dakota

The Storm Prediction Center issued this mesoscale discussion at Jun 19, 2005, 12:35 AM MDT for 4 counties in Montana; 37 counties in North Dakota; Corson County, Harding County, Perkins County, South Dakota. It was in force for 85 min.

The area

The outline as issued.

The facts

Issued
Jun 19, 2005, 12:35 AM MDT (06:35 UTC)
Expired
Jun 19, 2005, 2:00 AM MDT
In force
85 min
Issued by
the Storm Prediction Center
All 44 counties

Carter County, MT, Fallon County, MT, Powder River County, MT, Wibaux County, MT, Adams County, ND, Benson County, ND, Billings County, ND, Bowman County, ND, Burleigh County, ND, Cavalier County, ND, Dunn County, ND, Eddy County, ND, Emmons County, ND, Foster County, ND, Golden Valley County, ND, Grand Forks County, ND, Grant County, ND, Griggs County, ND, Hettinger County, ND, Kidder County, ND, Logan County, ND, McHenry County, ND, McKenzie County, ND, McLean County, ND, Mercer County, ND, Morton County, ND, Nelson County, ND, Oliver County, ND, Pembina County, ND, Pierce County, ND, Ramsey County, ND, Sheridan County, ND, Sioux County, ND, Slope County, ND, Stark County, ND, Steele County, ND, Stutsman County, ND, Towner County, ND, Walsh County, ND, Ward County, ND, Wells County, ND, Corson County, SD, Harding County, SD, Perkins County, SD

The radar

The Bismarck radar (KBIS), 76 km from the middle of the area, began a volume at 06:37 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, 6.6 hours before the alert went out and 79 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 2005-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3392 joules per kilogram.LCLEL10008507005003002001001 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 2005-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 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
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.

IssuedProductOfficeCountiesLasted
Jun 18, 8:16 PM MDTMesoscale DiscussionSPCBig Horn, Carter, Custer, Fallon, Powder River, Wibaux119 min
Jun 18, 9:10 PM MDTSevere Thunderstorm WatchSPCCarter, Fallon, Powder River, Wibaux7 hr
Jun 19, 4:03 PM MDTMesoscale DiscussionSPCBig Horn, Carter, Powder River2 hr
Jun 19, 12:50 AM MDTSevere Thunderstorm WatchSPCAdams, Benson, Bottineau, Burleigh, Emmons, Grant and 15 more6 hr
Jun 19, 2:32 AM MDTMesoscale DiscussionSPCMcLean88 min
Jun 19, 4:07 AM MDTMesoscale DiscussionSPCBenson, Cavalier, Pembina, Ramsey, Towner, Walsh83 min
Jun 19, 2:23 PM MDTMesoscale DiscussionSPCCass, Grand Forks, Griggs, Steele, Traill97 min
Jun 19, 2:30 PM MDTSevere Thunderstorm WatchSPCBarnes, Cass, Grand Forks, Griggs, Ransom, Richland and 3 more8 hr
Jun 19, 2:57 PM MDTMesoscale DiscussionSPCDickey, Emmons, LaMoure, Logan, McIntosh, Sioux and 1 more2 hr

Nearby

Mesoscale Discussions in North Dakota, 2005Mesoscale Discussions in Montana, 2005Mesoscale Discussions in South Dakota, 2005Every 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.