Alert archive / South Dakota / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 41, NWS Aberdeen, SD

May 24, 20105 counties in South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at May 24, 2010, 2:30 PM CDT for 5 counties in South Dakota. It was in force for 30 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: May 24, 2010, 2:30 PM CDT (19:30 UTC)
Expired: May 24, 2010, 3:00 PM CDT
In force: 30 min
Issued by: NWS Aberdeen, SD
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Brown County, SD, Edmunds County, SD, Faulk County, SD, McPherson County, SD, Spink County, SD

The radar

The Aberdeen radar (KABR), 36 km from the middle of the area, began a volume at 19:33 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
May 24, 12:21 PM CDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 7.5 hours before the alert went out and 62 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: 224 J/kg
Mixed-layer CIN: -383 J/kg
Mixed-layer LCL: 1830 m above ground
0-6 km bulk shear: 89 kt
0-1 km storm-relative helicity: 526 m²/s²
0-3 km storm-relative helicity: 528 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 May 23, 3:42 PM CDT, 22 hours 48 minutes earlier.

Area forecast discussion, May 23, 3:42 PM CDT, 22 hours 48 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
May 24, 12:58 AM CDT	Severe Thunderstorm Warning	ABR	Buffalo, Hand, Hyde, Lyman	32 min
May 24, 1:18 AM CDT	Severe Thunderstorm Warning	ABR	Hughes, Potter, Sully	42 min
May 24, 1:20 AM CDT	Severe Thunderstorm Warning	ABR	Hand, Hyde	25 min
May 24, 1:23 AM CDT	Severe Thunderstorm Warning	ABR	Day, Marshall	52 min
May 24, 1:28 AM CDT	Severe Thunderstorm Warning	ABR	Brown	47 min
May 24, 1:46 AM CDT	Severe Thunderstorm Warning	ABR	Edmunds, Faulk	36 min
May 24, 2:00 AM CDT	Severe Thunderstorm Warning	ABR	Potter, Walworth	24 min
May 24, 2:03 AM CDT	Severe Thunderstorm Warning	ABR	Dewey	27 min
May 24, 2:05 AM CDT	Severe Thunderstorm Warning	ABR	Marshall	10 min
May 24, 2:11 AM CDT	Severe Thunderstorm Warning	ABR	Roberts	19 min
May 24, 2:26 AM CDT	Severe Thunderstorm Warning	ABR	Clark, Codington	34 min
May 24, 2:29 AM CDT	Severe Thunderstorm Warning	ABR	Corson, Dewey	46 min
May 24, 2:48 AM CDT	Severe Thunderstorm Warning	ABR	Codington	27 min
May 24, 3:12 AM CDT	Severe Thunderstorm Warning	ABR	Brown, Marshall	11 min
May 24, 5:37 AM CDT	High Wind Warning	ABR	Jones, Lyman, Stanley	15 hr
May 24, 12:59 PM CDT	Severe Thunderstorm Warning	ABR	Buffalo, Hand	31 min
May 24, 1:30 PM CDT	Severe Thunderstorm Warning	ABR	Hand	30 min
May 24, 2:02 PM CDT	Severe Thunderstorm Warning	ABR	Edmunds, Faulk, Hand	28 min
May 24, 3:02 PM CDT	Severe Thunderstorm Warning	ABR	Buffalo, Hand, Hughes, Hyde, Lyman, Stanley	19 min
May 24, 4:03 PM CDT	Severe Thunderstorm Warning	ABR	Buffalo, Hand	27 min
May 24, 4:47 PM CDT	Severe Thunderstorm Warning	ABR	Faulk, Hand, Spink	43 min
May 24, 4:50 PM CDT	Severe Thunderstorm Warning	ABR	Edmunds, McPherson	25 min
May 24, 4:52 PM CDT	Severe Thunderstorm Warning	ABR	Dewey, Hughes, Potter, Stanley, Sully	38 min
May 24, 5:12 PM CDT	Severe Thunderstorm Warning	ABR	Brown, Edmunds, Faulk	33 min
May 24, 5:14 PM CDT	Severe Thunderstorm Warning	ABR	McPherson	31 min
May 24, 5:37 PM CDT	Severe Thunderstorm Warning	ABR	Faulk, Spink	3 min
May 24, 5:38 PM CDT	Severe Thunderstorm Warning	ABR	Edmunds, McPherson	21 min
May 24, 5:54 PM CDT	Severe Thunderstorm Warning	ABR	Campbell, Dewey, Potter, Walworth	17 min
May 24, 6:08 PM CDT	Areal Flood Advisory	ABR	Edmunds, McPherson	10 hr
May 24, 6:45 PM CDT	Severe Thunderstorm Warning	ABR	Dewey, Hughes, Jones, Lyman, Stanley, Sully	60 min
May 24, 6:57 PM CDT	Severe Thunderstorm Warning	ABR	Corson, Dewey	48 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 2010 Every severe thunderstorm warning in 2010

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.