Alert archive / South Dakota / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 56, NWS Aberdeen, SD

June 8, 1999Campbell County, Walworth County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 8, 1999, 2:09 AM CDT for Campbell County, Walworth County, South Dakota. It was in force for 46 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jun 8, 1999, 2:09 AM CDT (07:09 UTC)
Expired: Jun 8, 1999, 2:55 AM CDT
In force: 46 min
Issued by: NWS Aberdeen, SD
Area: Whole counties

Counties Campbell County, SD, Walworth County, SD

The radar

The Aberdeen radar (KABR), 128 km from the middle of the area, began a volume at 07:11 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.

What was reported inside it

Time	Report	Where	Remark
Jun 8, 2:15 AM CDT	Hail 0.88	Pollock, SD
Jun 8, 2:20 AM CDT	Thunderstorm Wind 61	Mound City, SD	Winds gusting to 70 mph in Mound City blew a large tree down and into a trailer home wall. Another fallen branch damaged a Mound City home when it broke through the corner of the dwelling. Mound City was without power for 6 to 7 hours as a result of the stor

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

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

Issued	Product	Office	Lasted
Jun 8, 12:15 AM CDT	Severe Thunderstorm Watch	SPC	5 hr

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 Jun 7, 8:45 PM CDT, 5 hours 24 minutes earlier.

Area forecast discussion, Jun 7, 8:45 PM CDT, 5 hours 24 minutes before

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In the hours before

Special weather statement, Jun 7, 11:49 PM CDT, 2 hours 20 minutes before

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Special weather statement, Jun 7, 11:49 PM CDT, 2 hours 20 minutes before

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Local storm report, Jun 8, 12:55 AM CDT, 1 hour 14 minutes before

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Local storm report, Jun 8, 12:55 AM CDT, 1 hour 14 minutes before

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Local storm report, Jun 8, 1:09 AM CDT, 1 hour before

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Local storm report, Jun 8, 1:09 AM CDT, 1 hour 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
Jun 7, 7:33 PM CDT	Severe Thunderstorm Warning	ABR	Lyman	32 min
Jun 7, 7:42 PM CDT	Severe Thunderstorm Warning	ABR	Hughes	33 min
Jun 7, 8:22 PM CDT	Severe Thunderstorm Warning	ABR	Lyman	63 min
Jun 7, 9:58 PM CDT	Severe Thunderstorm Warning	ABR	Clark, Hamlin	47 min
Jun 7, 10:19 PM CDT	Severe Thunderstorm Warning	ABR	Codington	61 min
Jun 7, 11:55 PM CDT	Severe Thunderstorm Warning	ABR	Dewey	50 min
Jun 8, 12:47 AM CDT	Severe Thunderstorm Warning	ABR	Dewey	63 min
Jun 8, 1:19 AM CDT	Severe Thunderstorm Warning	ABR	Corson	61 min
Jun 8, 1:39 AM CDT	Severe Thunderstorm Warning	ABR	Clark	61 min
Jun 8, 3:55 AM CDT	Severe Thunderstorm Warning	ABR	Brown	45 min
Jun 8, 5:11 AM CDT	Severe Thunderstorm Warning	ABR	Spink	44 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 1999 Every severe thunderstorm warning in 1999

Sources

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