Alert archive / North Dakota / Mesoscale Discussions in 2005

Mesoscale Discussion 1480

June 26, 200511 counties in Minnesota; 12 counties in North Dakota; 4 counties in South Dakota

The Storm Prediction Center issued this mesoscale discussion at Jun 26, 2005, 10:50 AM CDT for 11 counties in Minnesota; 12 counties in North Dakota; 4 counties in South Dakota. It was in force for 115 min.

The area

The outline as issued.

The facts

Issued
Jun 26, 2005, 10:50 AM CDT (15:50 UTC)
Expired
Jun 26, 2005, 12:45 PM CDT
In force
115 min
Issued by
the Storm Prediction Center
All 27 counties

Becker County, MN, Clay County, MN, Clearwater County, MN, Grant County, MN, Mahnomen County, MN, Norman County, MN, Otter Tail County, MN, Polk County, MN, Red Lake County, MN, Traverse County, MN, Wilkin County, MN, Barnes County, ND, Cass County, ND, Dickey County, ND, Grand Forks County, ND, Griggs County, ND, LaMoure County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Steele County, ND, Stutsman County, ND, Traill County, ND, Brown County, SD, Day County, SD, Marshall County, SD, Roberts County, SD

The radar

The Fargo/Grand Forks radar (KMVX), 90 km from the middle of the area, began a volume at 15:50 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

Aberdeen, SD (KABR), launched 12:00Z, 3.8 hours before the alert went out and 217 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, Aberdeen, SD at 12:00Z on 2005-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1899 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, Aberdeen, SD at 12:00Z on 2005-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 92 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
1899 J/kg
Mixed-layer CIN
-139 J/kg
Mixed-layer LCL
836 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
92 m²/s²
0-3 km storm-relative helicity
109 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

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, 1:29 PM CDTMesoscale DiscussionSPCAitkin, Becker, Beltrami, Cass, Clay, Clearwater and 15 more2 hr
Jun 26, 1:45 PM CDTTornado WatchSPCBecker, Beltrami, Clay, Clearwater, Hubbard, Lake of the Woods and 9 more8 hr
Jun 26, 3:45 PM CDTTornado WatchSPCAitkin, Carlton, Cass, Crow Wing, Itasca6 hr
Jun 26, 3:48 PM CDTMesoscale DiscussionSPCBecker, Beltrami, Clay, Clearwater, Hubbard, Lake of the Woods and 9 more87 min
Jun 25, 7:40 PM CDTTornado WatchSPCAdams, Billings, Bottineau, Bowman, Burke, Divide and 12 more6 hr
Jun 25, 10:20 PM CDTMesoscale DiscussionSPCAdams, Billings, Bottineau, Bowman, Burke, Divide and 12 more85 min
Jun 25, 11:49 PM CDTMesoscale DiscussionSPCAdams, Benson, Billings, Bottineau, Bowman, Burke and 29 more116 min
Jun 26, 1:25 AM CDTSevere Thunderstorm WatchSPCAdams, Benson, Bottineau, Burleigh, Cavalier, Eddy and 17 more6 hr
Jun 26, 3:58 AM CDTMesoscale DiscussionSPCBurleigh, Cavalier, Eddy, Foster, Kidder, Nelson and 3 more92 min
Jun 26, 2:30 PM CDTMesoscale DiscussionSPCAdams, Billings, Bowman, Dunn, Golden Valley, Hettinger and 5 more3 hr
Jun 26, 3:15 PM CDTSevere Thunderstorm WatchSPCAdams, Billings, Bowman, Burke, Divide, Dunn and 10 more7 hr
Jun 25, 9:23 PM CDTMesoscale DiscussionSPCButte, Custer, Fall River, Lawrence, Oglala Lakota, Pennington97 min
Jun 26, 3:59 PM CDTMesoscale DiscussionSPCBennett, Custer, Fall River, Jackson, Oglala Lakota, Pennington2 hr

Nearby

Mesoscale Discussions in North Dakota, 2005Mesoscale Discussions in Minnesota, 2005Mesoscale Discussions in South 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; radar from the NEXRAD Level II archive.