Alert archive / South Dakota / Tornado Watches in 2008

Tornado Watch 614

June 26, 200841 counties in South Dakota

The Storm Prediction Center issued this tornado watch at Jun 26, 2008, 7:14 PM CDT for 41 counties in South Dakota. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Jun 26, 2008, 7:14 PM CDT (00:14 UTC)
Expired
Jun 27, 2008, 2:09 AM CDT
In force
7 hr
Issued by
the Storm Prediction Center
All 41 counties

Aurora County, SD, Beadle County, SD, Bennett County, SD, Brown County, SD, Brule County, SD, Buffalo County, SD, Campbell County, SD, Charles Mix County, SD, Clark County, SD, Corson County, SD, Custer County, SD, Davison County, SD, Day County, SD, Dewey County, SD, Douglas County, SD, Edmunds County, SD, Faulk County, SD, Gregory County, SD, Haakon County, SD, Hand County, SD, Hughes County, SD, Hyde County, SD, Jackson County, SD, Jerauld County, SD, Jones County, SD, Lyman County, SD, Marshall County, SD, McPherson County, SD, Meade County, SD, Mellette County, SD, Pennington County, SD, Perkins County, SD, Potter County, SD, Sanborn County, SD, Spink County, SD, Stanley County, SD, Sully County, SD, Todd County, SD, Tripp County, SD, Walworth County, SD, Ziebach County, SD

The radar

The Rapid City radar (KUDX), 177 km from the middle of the area, began a volume at 00:15 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.

Warnings issued inside it

43 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Jun 26, 7:38 PM CDTTornado WarningABRCorson, Dewey37 min
Jun 26, 7:41 PM CDTSevere Thunderstorm WarningABRCorson, Dewey64 min
Jun 26, 8:01 PM CDTSevere Thunderstorm WarningABRCorson27 min
Jun 26, 8:15 PM CDTSevere Thunderstorm WarningABRCorson, Dewey60 min
Jun 26, 8:21 PM CDTTornado WarningABRDewey39 min
Jun 26, 8:23 PM CDTSevere Thunderstorm WarningABRDewey52 min
Jun 26, 8:27 PM CDTTornado WarningABRDewey33 min
Jun 26, 8:53 PM CDTSevere Thunderstorm WarningUNRMellette, Todd, Tripp67 min
Jun 26, 8:56 PM CDTTornado WarningABRDewey, Potter34 min
Jun 26, 9:00 PM CDTTornado WarningABRDewey30 min
Jun 26, 9:14 PM CDTSevere Thunderstorm WarningABRDewey24 min
Jun 26, 9:14 PM CDTSevere Thunderstorm WarningUNRCuster, Fall River, Pennington61 min
Jun 26, 9:16 PM CDTSevere Thunderstorm WarningABRBuffalo, Hughes, Hyde, Lyman44 min
Jun 26, 9:18 PM CDTSevere Thunderstorm WarningABRCorson, Dewey, Potter, Walworth12 min
Jun 26, 9:21 PM CDTSevere Thunderstorm WarningABRDewey, Hyde, Potter, Sully, Walworth54 min
Jun 26, 9:25 PM CDTTornado WarningABRDewey, Potter, Sully50 min
Jun 26, 9:28 PM CDTSevere Thunderstorm WarningABRDewey, Stanley, Sully62 min
Jun 26, 9:31 PM CDTSevere Thunderstorm WarningABRCampbell, Corson59 min
Jun 26, 9:48 PM CDTSevere Thunderstorm WarningABRBuffalo, Hand, Hyde42 min
Jun 26, 9:49 PM CDTSevere Thunderstorm WarningUNRJackson, Mellette56 min
Jun 26, 9:52 PM CDTSevere Thunderstorm WarningABRHughes, Jones, Lyman, Stanley53 min
Jun 26, 10:11 PM CDTSevere Thunderstorm WarningUNRLawrence, Meade, Pennington79 min
Jun 26, 10:14 PM CDTTornado WarningABRHyde, Sully46 min
Jun 26, 10:16 PM CDTSevere Thunderstorm WarningUNRHaakon, Ziebach30 min
Jun 26, 10:21 PM CDTSevere Thunderstorm WarningUNRBennett, Jackson54 min
Jun 26, 10:25 PM CDTSevere Thunderstorm WarningFSDAurora, Brule, Jerauld50 min
Jun 26, 10:25 PM CDTSevere Thunderstorm WarningUNRMellette31 min
Jun 26, 10:27 PM CDTSevere Thunderstorm WarningABRDewey, Stanley, Sully63 min
Jun 26, 10:33 PM CDTSevere Thunderstorm WarningUNRJackson, Pennington42 min
Jun 26, 10:38 PM CDTSevere Thunderstorm WarningABRHand, Hughes, Hyde, Sully52 min
Jun 26, 10:46 PM CDTSevere Thunderstorm WarningABRHughes, Lyman, Stanley44 min
Jun 26, 10:46 PM CDTSevere Thunderstorm WarningUNRBennett29 min
Jun 26, 10:59 PM CDTSevere Thunderstorm WarningABRBuffalo, Hand, Hughes, Hyde, Jones, Lyman and 2 more46 min
Jun 26, 11:03 PM CDTSevere Thunderstorm WarningUNRBennett, Haakon, Jackson, Mellette, Pennington, Todd57 min
Jun 26, 11:07 PM CDTSevere Thunderstorm WarningABRFaulk23 min
Jun 26, 11:40 PM CDTSevere Thunderstorm WarningABRHughes, Lyman, Stanley29 min
Jun 26, 11:41 PM CDTSevere Thunderstorm WarningFSDBeadle, Jerauld34 min
Jun 26, 11:44 PM CDTSevere Thunderstorm WarningUNRHaakon, Jackson, Mellette61 min
Jun 26, 11:50 PM CDTSevere Thunderstorm WarningUNRMellette, Todd, Tripp55 min
Jun 27, 12:06 AM CDTSevere Thunderstorm WarningFSDAurora, Brule, Jerauld, Sanborn39 min
Jun 27, 12:21 AM CDTTornado WarningFSDJerauld24 min
Jun 27, 12:36 AM CDTSevere Thunderstorm WarningUNRHaakon, Ziebach54 min
Jun 27, 12:38 AM CDTSevere Thunderstorm WarningFSDAurora, Davison, Jerauld, Sanborn37 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Rapid City, SD (KUNR), launched 00:00Z, 0.2 hours before the alert went out and 183 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-pSkew-T log-p diagram, Rapid City, SD at 00:00Z on 2008-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2411 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Rapid City, SD at 00:00Z on 2008-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -123 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
2411 J/kg
Mixed-layer CIN
-66 J/kg
Mixed-layer LCL
1659 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
-123 m²/s²
0-3 km storm-relative helicity
20 m²/s²
Significant tornado parameter
0.3
Supercell composite
5.2

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 26, 9:46 PM CDTSevere Thunderstorm WatchSPCAurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more7 hr
Jun 27, 2:03 AM CDTMesoscale DiscussionSPCBuffalo, Dewey, Haakon, Harding, Hughes, Jones and 8 more57 min

Nearby

Tornado Watches in South Dakota, 2008Every tornado watch 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.