Alert archive / South Dakota / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 595

July 19, 2000Adams County, Emmons County, Sioux County, North Dakota; 12 counties in South Dakota

The Storm Prediction Center issued this severe thunderstorm watch at Jul 19, 2000, 3:00 PM MDT for Adams County, Emmons County, Sioux County, North Dakota; 12 counties in South Dakota. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jul 19, 2000, 3:00 PM MDT (21:00 UTC)
Expired
Jul 19, 2000, 8:00 PM MDT
In force
5 hr
Issued by
the Storm Prediction Center

Counties Adams County, ND, Emmons County, ND, Sioux County, ND, Butte County, SD, Campbell County, SD, Corson County, SD, Dewey County, SD, Harding County, SD, Lawrence County, SD, Meade County, SD, Perkins County, SD, Potter County, SD, Sully County, SD, Walworth County, SD, Ziebach County, SD

The radar

The Rapid City radar (KUDX), 150 km from the middle of the area, began a volume at 21:02 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

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

IssuedProductOfficeCountiesLasted
Jul 19, 3:29 PM MDTSevere Thunderstorm WarningBISAdams, Grant, Sioux46 min
Jul 19, 3:50 PM MDTSevere Thunderstorm WarningUNRPerkins55 min
Jul 19, 4:29 PM MDTSevere Thunderstorm WarningABRCorson46 min
Jul 19, 4:44 PM MDTSevere Thunderstorm WarningUNRZiebach61 min
Jul 19, 4:48 PM MDTSevere Thunderstorm WarningUNRMeade42 min
Jul 19, 5:25 PM MDTSevere Thunderstorm WarningUNRMeade50 min
Jul 19, 6:00 PM MDTSevere Thunderstorm WarningUNRHaakon, Pennington, Ziebach60 min

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 9.0 hours before the alert went out and 195 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, Bismarck Municip, ND at 12:00Z on 2000-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Bismarck Municip, ND at 12:00Z on 2000-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
778 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
115 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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.

Nearby

Severe Thunderstorm Watches in South Dakota, 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.