Alert archive / South Dakota / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 207, NWS Aberdeen, SD

August 9, 2020Buffalo County, Hand County, Hyde County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Aug 9, 2020, 1:07 AM CDT for Buffalo County, Hand County, Hyde County, South Dakota. It was in force for 38 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: Aug 9, 2020, 1:07 AM CDT (06:07 UTC)
Expired: Aug 9, 2020, 1:45 AM CDT
In force: 38 min
Issued by: NWS Aberdeen, SD
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Buffalo County, SD, Hand County, SD, Hyde County, SD

The radar

The Aberdeen radar (KABR), 135 km from the middle of the area, began a volume at 06:06 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Aug 8, 10:10 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Aberdeen, SD wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 8, 8:18 PM CDT, 4 hours 49 minutes earlier.

Area forecast discussion, Aug 8, 8:18 PM CDT, 4 hours 49 minutes before

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Hazardous weather outlook, Aug 8, 12:41 PM CDT, 12 hours 26 minutes before

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In the hours before

Special weather statement, Aug 8, 10:20 PM CDT, 2 hours 47 minutes before

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Special weather statement, Aug 9, 12:01 AM CDT, 1 hour 6 minutes before

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Local storm report, Aug 9, 1:06 AM CDT, 1 minute before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 8, 10:20 PM CDT	Special Weather Statement	ABR	Jones	40 min
Aug 8, 11:22 PM CDT	Severe Thunderstorm Warning	ABR	Lyman	38 min
Aug 9, 12:01 AM CDT	Special Weather Statement	ABR	Buffalo	29 min
Aug 9, 12:29 AM CDT	Severe Thunderstorm Warning	ABR	Buffalo, Hand, Hughes, Hyde, Lyman	46 min
Aug 9, 1:46 AM CDT	Severe Thunderstorm Warning	ABR	Hand, Spink	24 min
Aug 9, 2:00 AM CDT	Severe Thunderstorm Warning	ABR	Clark, Codington, Hamlin	17 min
Aug 9, 2:49 AM CDT	Special Weather Statement	ABR	Deuel, Grant, Hamlin	41 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 2020 Every severe thunderstorm warning 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.