Alert archive / South Dakota / Mesoscale Discussions in 2020

Mesoscale Discussion 1126

July 6, 202015 counties in South Dakota

The Storm Prediction Center issued this mesoscale discussion at Jul 6, 2020, 8:07 PM MDT for 15 counties in South Dakota. It was in force for 83 min.

The area

The outline as issued.

The facts

Issued: Jul 6, 2020, 8:07 PM MDT (02:07 UTC)
Expired: Jul 6, 2020, 9:30 PM MDT
In force: 83 min
Issued by: the Storm Prediction Center
Concerning: Severe thunderstorm watch 334

Counties Bennett County, SD, Buffalo County, SD, Haakon County, SD, Hand County, SD, Hughes County, SD, Hyde County, SD, Jackson County, SD, Jones County, SD, Lyman County, SD, Mellette County, SD, Oglala Lakota County, SD, Pennington County, SD, Stanley County, SD, Sully County, SD, Ziebach County, SD

The radar

The Rapid City radar (KUDX), 110 km from the middle of the area, began a volume at 02:11 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.

Severe Thunderstorm Watch 336Jul 6, 9:45 PM MDT

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 6, 9:47 PM MDT	Severe Thunderstorm Watch	SPC	Aurora, Bennett, Bon Homme, Brule, Buffalo, Charles Mix and 18 more	4 hr
Jul 6, 11:44 PM MDT	Mesoscale Discussion	SPC	Aurora, Bon Homme, Brule, Charles Mix, Douglas, Gregory and 3 more	2 hr
Jul 7, 2:24 AM MDT	Mesoscale Discussion	SPC	Clay, Union	2 hr
Jul 7, 2:50 PM MDT	Mesoscale Discussion	SPC	Custer, Fall River, Lawrence	85 min

Nearby

Mesoscale Discussions in South Dakota, 2020 Every mesoscale discussion in 2020

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.