Alert archive / North Dakota / Mesoscale Discussions in 2005

Mesoscale Discussion 1701

July 7, 200513 counties in North Dakota

The Storm Prediction Center issued this mesoscale discussion at Jul 7, 2005, 9:56 PM CDT for 13 counties in North Dakota. It was in force for 94 min.

The area

The outline as issued.

The facts

Issued
Jul 7, 2005, 9:56 PM CDT (02:56 UTC)
Expired
Jul 7, 2005, 11:30 PM CDT
In force
94 min
Issued by
the Storm Prediction Center

Counties Benson County, ND, Bottineau County, ND, Burleigh County, ND, Kidder County, ND, McHenry County, ND, McLean County, ND, Mercer County, ND, Oliver County, ND, Pierce County, ND, Rolette County, ND, Sheridan County, ND, Towner County, ND, Wells County, ND

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 2.9 hours before the alert went out and 102 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 2005-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2649 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 2005-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 square meters per square second.1939Sfc1 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
2649 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
2032 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
199 m²/s²
Significant tornado parameter
0.0
Supercell composite
7.0

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
Jul 7, 11:15 PM CDTMesoscale DiscussionSPCBarnes, Benson, Bottineau, Burleigh, Cavalier, Eddy and 21 more90 min

Nearby

Mesoscale Discussions in North 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.