Alert archive / South Dakota / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 571

July 11, 20006 counties in Minnesota; 4 counties in North Dakota; 32 counties in South Dakota

The Storm Prediction Center issued this severe thunderstorm watch at Jul 11, 2000, 12:45 PM CDT for 6 counties in Minnesota; 4 counties in North Dakota; 32 counties in South Dakota. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jul 11, 2000, 12:45 PM CDT (17:45 UTC)
Expired
Jul 11, 2000, 6:00 PM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 42 counties

Big Stone County, MN, Grant County, MN, Otter Tail County, MN, Stevens County, MN, Traverse County, MN, Wilkin County, MN, Dickey County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Aurora County, SD, Beadle County, SD, Brown County, SD, Brule County, SD, Buffalo County, SD, Charles Mix County, SD, Clark County, SD, Codington County, SD, Davison County, SD, Day County, SD, Deuel County, SD, Douglas County, SD, Edmunds County, SD, Faulk County, SD, Grant County, SD, Gregory County, SD, Hamlin County, SD, Hand County, SD, Hanson County, SD, Hughes County, SD, Hyde County, SD, Jerauld County, SD, Kingsbury County, SD, Lyman County, SD, Marshall County, SD, Mellette County, SD, Miner County, SD, Roberts County, SD, Sanborn County, SD, Spink County, SD, Todd County, SD, Tripp County, SD

The radar

The Aberdeen radar (KABR), 112 km from the middle of the area, began a volume at 17:48 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

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

IssuedProductOfficeCountiesLasted
Jul 11, 12:57 PM CDTTornado WarningABREdmunds33 min
Jul 11, 1:08 PM CDTSevere Thunderstorm WarningFGFRansom32 min
Jul 11, 1:09 PM CDTTornado WarningABRBrown51 min
Jul 11, 1:17 PM CDTSevere Thunderstorm WarningBISDickey, LaMoure43 min
Jul 11, 1:26 PM CDTSevere Thunderstorm WarningABREdmunds34 min
Jul 11, 1:54 PM CDTTornado WarningABRBrown51 min
Jul 11, 2:47 PM CDTSevere Thunderstorm WarningABRBrown, Day28 min
Jul 11, 2:50 PM CDTSevere Thunderstorm WarningABRSpink25 min
Jul 11, 3:07 PM CDTSevere Thunderstorm WarningFGFRichland28 min
Jul 11, 3:14 PM CDTSevere Thunderstorm WarningABRDay46 min
Jul 11, 3:16 PM CDTSevere Thunderstorm WarningABRSpink44 min
Jul 11, 3:25 PM CDTSevere Thunderstorm WarningABRCodington, Grant, Roberts50 min
Jul 11, 3:48 PM CDTSevere Thunderstorm WarningABRHand42 min
Jul 11, 4:00 PM CDTSevere Thunderstorm WarningABRClark, Spink45 min
Jul 11, 4:04 PM CDTSevere Thunderstorm WarningFSDBeadle41 min
Jul 11, 4:07 PM CDTSevere Thunderstorm WarningABRBig Stone38 min
Jul 11, 4:15 PM CDTSevere Thunderstorm WarningABRRoberts30 min
Jul 11, 4:32 PM CDTSevere Thunderstorm WarningABRHand43 min
Jul 11, 4:34 PM CDTSevere Thunderstorm WarningMPXStevens, Swift56 min
Jul 11, 4:40 PM CDTSevere Thunderstorm WarningFSDKingsbury35 min
Jul 11, 4:48 PM CDTSevere Thunderstorm WarningABRBig Stone27 min
Jul 11, 4:52 PM CDTTornado WarningFSDKingsbury23 min
Jul 11, 4:55 PM CDTSevere Thunderstorm WarningFSDBeadle, Jerauld35 min
Jul 11, 5:01 PM CDTSevere Thunderstorm WarningABRHamlin44 min
Jul 11, 5:10 PM CDTSevere Thunderstorm WarningABRClark50 min
Jul 11, 5:14 PM CDTSevere Thunderstorm WarningFSDKingsbury31 min
Jul 11, 5:18 PM CDTTornado WarningFSDKingsbury27 min
Jul 11, 5:30 PM CDTSevere Thunderstorm WarningFSDJerauld, Sanborn30 min
Jul 11, 5:38 PM CDTSevere Thunderstorm WarningFSDAurora, Brule37 min

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 5.8 hours before the alert went out and 56 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, Aberdeen, SD at 12:00Z on 2000-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 683 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, Aberdeen, SD at 12:00Z on 2000-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 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
683 J/kg
Mixed-layer CIN
-84 J/kg
Mixed-layer LCL
957 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
119 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 11, 4:30 PM CDTSevere Thunderstorm WatchSPCBenton, Brown, Chippewa, Cottonwood, Douglas, Isanti and 24 more6 hr

Nearby

Severe Thunderstorm Watches in South Dakota, 2000Severe Thunderstorm Watches in Minnesota, 2000Severe Thunderstorm Watches in North Dakota, 2000Every severe thunderstorm watch in 2000

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.