Alert archive / South Dakota / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 83, NWS Aberdeen, SD

June 25, 2008Stanley County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 25, 2008, 10:43 PM MDT for Stanley County, South Dakota. It was in force for 32 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: Jun 25, 2008, 10:43 PM MDT (04:43 UTC)
Expired: Jun 25, 2008, 11:15 PM MDT
In force: 32 min
Issued by: NWS Aberdeen, SD
Area: Storm-based polygon

County Stanley County, SD

The radar

The Rapid City radar (KUDX), 170 km from the middle of the area, began a volume at 04:45 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 nearest sounding before it

Rapid City, SD (KUNR), launched 00:00Z, 4.7 hours before the alert went out and 175 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 621 J/kg
Mixed-layer CIN: -300 J/kg
Mixed-layer LCL: 1741 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 89 m²/s²
0-3 km storm-relative helicity: 217 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 25, 7:59 PM MDT, 2 hours 44 minutes earlier.

Area forecast discussion, Jun 25, 7:59 PM MDT, 2 hours 44 minutes before

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Hazardous weather outlook, Jun 25, 3:33 AM MDT, 19 hours 10 minutes 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 25, 11:13 PM MDT	Severe Thunderstorm Warning	ABR	Dewey, Stanley, Sully	32 min
Jun 25, 11:31 PM MDT	Severe Thunderstorm Warning	ABR	Hughes, Stanley	29 min
Jun 25, 11:46 PM MDT	Severe Thunderstorm Warning	ABR	Dewey, Potter, Sully	12 min
Jun 25, 11:50 PM MDT	Severe Thunderstorm Warning	ABR	Hughes, Hyde, Sully	25 min
Jun 26, 12:09 AM MDT	Severe Thunderstorm Warning	ABR	Hand, Hyde	13 min
Jun 26, 12:45 AM MDT	Severe Thunderstorm Warning	ABR	Buffalo, Hand	17 min
Jun 26, 4:21 PM MDT	Severe Thunderstorm Warning	ABR	Corson	54 min
Jun 26, 5:11 PM MDT	Severe Thunderstorm Warning	ABR	Corson	49 min
Jun 26, 5:59 PM MDT	Severe Thunderstorm Warning	ABR	Corson, Dewey	46 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 2008 Every severe thunderstorm warning in 2008

Sources

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