Alert archive / North Dakota / Mesoscale Discussions in 2008

Mesoscale Discussion 1998

August 2, 200814 counties in North Dakota

The Storm Prediction Center issued this mesoscale discussion at Aug 2, 2008, 1:45 PM CDT for 14 counties in North Dakota. It was in force for 60 min.

The area

The outline as issued.

The facts

Issued
Aug 2, 2008, 1:45 PM CDT (18:45 UTC)
Expired
Aug 2, 2008, 2:45 PM CDT
In force
60 min
Issued by
the Storm Prediction Center

Counties Benson County, ND, Bottineau County, ND, Burleigh County, ND, Eddy 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, Ward County, ND, Wells County, ND

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 6.8 hours before the alert went out and 140 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 2008-08-02Temperature 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 2008-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 103 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
856 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
103 m²/s²
0-3 km storm-relative helicity
133 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
Aug 1, 8:35 PM CDTMesoscale DiscussionSPCBottineau, Burke, Dunn, McHenry, McKenzie, McLean and 7 more55 min
Aug 1, 9:08 PM CDTSevere Thunderstorm WatchSPCBottineau, Burke, Burleigh, Divide, Dunn, McHenry and 13 more7 hr
Aug 1, 10:54 PM CDTMesoscale DiscussionSPCBillings, Bottineau, Burke, Burleigh, Divide, Dunn and 18 more96 min
Aug 2, 2:24 AM CDTMesoscale DiscussionSPCBottineau, Burke, McHenry, Mountrail, Pierce, Renville and 3 more96 min

Nearby

Mesoscale Discussions in North Dakota, 2008Every mesoscale discussion in 2008

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.