Alert archive / South Dakota / Mesoscale Discussions in 2013

Mesoscale Discussion 1708

August 13, 2013Carter County, Montana; 9 counties in South Dakota; Crook County, Wyoming

The Storm Prediction Center issued this mesoscale discussion at Aug 13, 2013, 12:36 PM MDT for Carter County, Montana; 9 counties in South Dakota; Crook County, Wyoming. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Aug 13, 2013, 12:36 PM MDT (18:36 UTC)
Expired
Aug 13, 2013, 3:00 PM MDT
In force
2 hr
Issued by
the Storm Prediction Center
Chance of a watch
40%

Counties Carter County, MT, Butte County, SD, Custer County, SD, Haakon County, SD, Harding County, SD, Jackson County, SD, Lawrence County, SD, Meade County, SD, Oglala Lakota County, SD, Pennington County, SD, Crook County, WY

The radar

The Rapid City radar (KUDX), 66 km from the middle of the area, began a volume at 18:36 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 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 13, 2:22 PM MDTMesoscale DiscussionSPCCarter, Custer, Dawson, Fallon, McCone, Prairie and 3 more2 hr
Aug 13, 1:17 PM MDTSevere Thunderstorm WatchSPCBennett, Butte, Custer, Fall River, Haakon, Harding and 8 more8 hr
Aug 13, 2:51 PM MDTMesoscale DiscussionSPCBennett, Butte, Custer, Haakon, Jackson, Lawrence and 4 more84 min
Aug 13, 4:45 PM MDTMesoscale DiscussionSPCBennett, Custer, Fall River, Haakon, Jackson, Jones and 7 more90 min
Aug 13, 2:05 PM MDTMesoscale DiscussionSPCLaramie115 min

Nearby

Mesoscale Discussions in South Dakota, 2013Mesoscale Discussions in Montana, 2013Mesoscale Discussions in Wyoming, 2013Every mesoscale discussion in 2013

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.