Alert archive / North Dakota / Mesoscale Discussions in 2005

Mesoscale Discussion 1228

June 7, 2005Carter County, Fallon County, Montana; 14 counties in North Dakota; 8 counties in South Dakota

The Storm Prediction Center issued this mesoscale discussion at Jun 7, 2005, 3:40 PM MDT for Carter County, Fallon County, Montana; 14 counties in North Dakota; 8 counties in South Dakota. It was in force for 65 min.

The area

The outline as issued.

The facts

Issued
Jun 7, 2005, 3:40 PM MDT (21:40 UTC)
Expired
Jun 7, 2005, 4:45 PM MDT
In force
65 min
Issued by
the Storm Prediction Center
All 24 counties

Carter County, MT, Fallon County, MT, Adams County, ND, Bowman County, ND, Burleigh County, ND, Emmons County, ND, Grant County, ND, Hettinger County, ND, Logan County, ND, McIntosh County, ND, Mercer County, ND, Morton County, ND, Oliver County, ND, Sioux County, ND, Slope County, ND, Stark County, ND, Butte County, SD, Campbell County, SD, Corson County, SD, Dewey County, SD, Harding County, SD, Perkins County, SD, Walworth County, SD, Ziebach County, SD

The radar

The Bismarck radar (KBIS), 163 km from the middle of the area, began a volume at 21:41 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 12:00Z, 9.7 hours before the alert went out and 167 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 12:00Z on 2005-06-07Temperature 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, Bismarck Municip, ND at 12:00Z on 2005-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -46 square meters per square second.19395878Sfc1 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
1023 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-46 m²/s²
0-3 km storm-relative helicity
49 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 7, 12:45 PM MDTSevere Thunderstorm WatchSPCCarbon7 hr
Jun 7, 2:52 PM MDTMesoscale DiscussionSPCBig Horn, Carbon, Carter, Powder River53 min
Jun 7, 5:25 PM MDTTornado WatchSPCCarter, Custer, Dawson, Fallon, Powder River, Prairie and 2 more7 hr
Jun 6, 7:37 PM MDTMesoscale DiscussionSPCBurleigh, Emmons, McLean, Morton, Oliver, Sioux83 min
Jun 6, 8:00 PM MDTSevere Thunderstorm WatchSPCEmmons, Logan, McIntosh, Morton, Sioux6 hr
Jun 6, 9:12 PM MDTMesoscale DiscussionSPCBarnes, Benson, Burleigh, Eddy, Emmons, Foster and 15 more93 min
Jun 7, 12:46 AM MDTMesoscale DiscussionSPCBarnes, Benson, Cass, Cavalier, Dickey, Eddy and 18 more89 min
Jun 7, 4:05 PM MDTTornado WatchSPCAdams, Benson, Billings, Bowman, Burleigh, Dunn and 20 more7 hr
Jun 7, 1:53 PM MDTMesoscale DiscussionSPCBennett, Butte, Custer, Dewey, Fall River, Haakon and 12 more37 min
Jun 7, 2:45 PM MDTTornado WatchSPCBennett, Custer, Fall River, Haakon, Hughes, Jackson and 7 more8 hr

Nearby

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