Alert archive / North Dakota / Mesoscale Discussions in 2004

Mesoscale Discussion 1124

June 6, 2004Renville County, Ward County, North Dakota

The Storm Prediction Center issued this mesoscale discussion at Jun 6, 2004, 7:12 PM CDT for Renville County, Ward County, North Dakota. It was in force for 93 min.

The area

The outline as issued.

The facts

Issued
Jun 6, 2004, 7:12 PM CDT (00:12 UTC)
Expired
Jun 6, 2004, 8:45 PM CDT
In force
93 min
Issued by
the Storm Prediction Center

Counties Renville County, ND, Ward County, ND

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 0.2 hours before the alert went out and 161 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 2004-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1945 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 2004-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 129 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
1945 J/kg
Mixed-layer CIN
-123 J/kg
Mixed-layer LCL
1573 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
129 m²/s²
0-3 km storm-relative helicity
217 m²/s²
Significant tornado parameter
0.6
Supercell composite
9.1

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 6, 8:10 PM CDTMesoscale DiscussionSPCWard65 min
Jun 6, 8:50 PM CDTSevere Thunderstorm WatchSPCBarnes, Benson, Bottineau, Burleigh, Cass, Cavalier and 20 more6 hr
Jun 6, 10:12 PM CDTMesoscale DiscussionSPCBenson, Eddy63 min
Jun 6, 11:36 PM CDTMesoscale DiscussionSPCBenson, Eddy, Grand Forks, McHenry, Nelson, Pierce and 3 more84 min
Jun 7, 1:33 AM CDTMesoscale DiscussionSPCBenson, Bottineau, Cavalier, Eddy, Foster, Grand Forks and 14 more87 min

Nearby

Mesoscale Discussions in North Dakota, 2004Every mesoscale discussion in 2004

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.