Alert archive / South Dakota / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 170, NWS Aberdeen, SD

July 19, 2018Corson County, Dewey County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jul 19, 2018, 7:42 PM MDT for Corson County, Dewey County, South Dakota. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 19, 2018, 7:42 PM MDT (01:42 UTC)
Expired: Jul 19, 2018, 8:30 PM MDT
In force: 48 min
Issued by: NWS Aberdeen, SD
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Corson County, SD, Dewey County, SD

The radar

The Bismarck radar (KBIS), 150 km from the middle of the area, began a volume at 01:44 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 office that day

Everything else NWS Aberdeen, SD issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 19, 6:32 PM MDT	Severe Thunderstorm Warning	ABR	Corson	58 min
Jul 19, 6:36 PM MDT	Special Weather Statement	ABR	Walworth	24 min
Jul 19, 6:58 PM MDT	Special Weather Statement	ABR	Corson	47 min
Jul 19, 7:03 PM MDT	Special Weather Statement	ABR	Walworth	42 min
Jul 19, 7:09 PM MDT	Severe Thunderstorm Warning	ABR	Corson	66 min
Jul 19, 7:56 PM MDT	Special Weather Statement	ABR	Walworth	34 min
Jul 19, 8:14 PM MDT	Special Weather Statement	ABR	Walworth	31 min
Jul 19, 8:27 PM MDT	Severe Thunderstorm Warning	ABR	Dewey	41 min
Jul 20, 4:08 PM MDT	Areal Flood Warning	ABR	Traverse	72 hr

Nearby

Severe Thunderstorm Warnings in South Dakota, 2018 Every severe thunderstorm warning in 2018

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.