Alert archive / North Dakota / Mesoscale Discussions in 2008

Mesoscale Discussion 1576

June 26, 200828 counties in North Dakota; 23 counties in South Dakota

The Storm Prediction Center issued this mesoscale discussion at Jun 26, 2008, 6:28 PM CDT for 28 counties in North Dakota; 23 counties in South Dakota. It was in force for 62 min.

The area

The outline as issued.

The facts

Issued
Jun 26, 2008, 6:28 PM CDT (23:28 UTC)
Expired
Jun 26, 2008, 7:30 PM CDT
In force
62 min
Issued by
the Storm Prediction Center
All 51 counties

Barnes County, ND, Benson County, ND, Burleigh County, ND, Cass County, ND, Cavalier County, ND, Dickey County, ND, Eddy County, ND, Emmons County, ND, Foster County, ND, Grand Forks County, ND, Grant County, ND, Griggs County, ND, Kidder County, ND, LaMoure County, ND, Logan County, ND, McIntosh County, ND, Nelson County, ND, Pembina County, ND, Ramsey County, ND, Ransom County, ND, Sargent County, ND, Sioux County, ND, Steele County, ND, Stutsman County, ND, Towner County, ND, Traill County, ND, Walsh County, ND, Wells County, ND, Brown County, SD, Butte County, SD, Campbell County, SD, Corson County, SD, Custer County, SD, Dewey County, SD, Edmunds County, SD, Faulk County, SD, Haakon County, SD, Hughes County, SD, Jackson County, SD, Jones County, SD, Lawrence County, SD, McPherson County, SD, Meade County, SD, Oglala Lakota County, SD, Pennington County, SD, Perkins County, SD, Potter County, SD, Stanley County, SD, Sully County, SD, Walworth County, SD, Ziebach County, SD

The radar

The Bismarck radar (KBIS), 85 km from the middle of the area, began a volume at 23:30 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, 11.5 hours before the alert went out and 81 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 2008-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 14 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 12:00Z on 2008-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 122 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
14 J/kg
Mixed-layer CIN
-129 J/kg
Mixed-layer LCL
1230 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
122 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

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 26, 1:41 PM CDTMesoscale DiscussionSPCBillings, Burleigh, Dunn, Golden Valley, Grant, Hettinger and 13 more94 min
Jun 26, 1:59 PM CDTSevere Thunderstorm WatchSPCAdams, Billings, Bottineau, Bowman, Burke, Burleigh and 22 more5 hr
Jun 26, 6:46 PM CDTSevere Thunderstorm WatchSPCBarnes, Benson, Burleigh, Cass, Dickey, Eddy and 23 more5 hr
Jun 25, 8:10 PM CDTMesoscale DiscussionSPCBennett, Oglala Lakota, Todd95 min
Jun 25, 8:31 PM CDTSevere Thunderstorm WatchSPCBennett, Gregory, Jackson, Jones, Lyman, Mellette and 2 more7 hr
Jun 25, 11:18 PM CDTMesoscale DiscussionSPCAurora, Bennett, Brule, Buffalo, Charles Mix, Davison and 11 more87 min
Jun 26, 6:38 AM CDTSevere Thunderstorm WatchSPCAurora, Bon Homme, Brule, Charles Mix, Clay, Davison and 10 more6 hr
Jun 26, 7:51 AM CDTMesoscale DiscussionSPCAurora, Bon Homme, Brule, Charles Mix, Clay, Davison and 11 more84 min
Jun 26, 9:53 AM CDTMesoscale DiscussionSPCBon Homme, Charles Mix, Clay, Union, Yankton97 min
Jun 26, 12:05 PM CDTMesoscale DiscussionSPCUnion55 min
Jun 26, 3:48 PM CDTMesoscale DiscussionSPCBennett, Corson, Custer, Dewey, Haakon, Jackson and 9 more87 min

Nearby

Mesoscale Discussions in North Dakota, 2008Mesoscale Discussions in South 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; radar from the NEXRAD Level II archive.