Alert archive / South Dakota / Mesoscale Discussions in 2020

Mesoscale Discussion 1330

July 24, 20205 counties in Nebraska; 13 counties in South Dakota

The Storm Prediction Center issued this mesoscale discussion at Jul 24, 2020, 1:50 PM MDT for 5 counties in Nebraska; 13 counties in South Dakota. It was in force for 115 min.

The area

The outline as issued.

The facts

Issued: Jul 24, 2020, 1:50 PM MDT (19:50 UTC)
Expired: Jul 24, 2020, 3:45 PM MDT
In force: 115 min
Issued by: the Storm Prediction Center
Concerning: Severe potential...watch possible
Chance of a watch: 60%

Counties Cherry County, NE, Grant County, NE, Hooker County, NE, Sheridan County, NE, Thomas County, NE, Bennett County, SD, Corson County, SD, Dewey County, SD, Haakon County, SD, Hughes County, SD, Jackson County, SD, Jones County, SD, Mellette County, SD, Oglala Lakota County, SD, Stanley County, SD, Sully County, SD, Todd County, SD, Ziebach County, SD

The radar

The Rapid City radar (KUDX), 91 km from the middle of the area, began a volume at 19:50 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.

Severe Thunderstorm Watch 399Jul 24, 2:20 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 24, 2:21 PM MDT	Severe Thunderstorm Watch	SPC	Arthur, Blaine, Brown, Cherry, Deuel, Garden and 10 more	7 hr

Nearby

Mesoscale Discussions in South Dakota, 2020 Mesoscale Discussions in Nebraska, 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.