Alert archive / South Dakota / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 192, NWS Sioux Falls, SD

August 6, 2000McCook County, Turner County, South Dakota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Aug 6, 2000, 1:18 AM CDT for McCook County, Turner County, South Dakota. It was in force for 27 min. 3 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Aug 6, 2000, 1:18 AM CDT (06:18 UTC)
Expired: Aug 6, 2000, 1:45 AM CDT
In force: 27 min
Issued by: NWS Sioux Falls, SD
Area: Whole counties

Counties McCook County, SD, Turner County, SD

The radar

The Sioux Falls radar (KFSD), 44 km from the middle of the area, began a volume at 06:23 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.

What was reported inside it

Time	Report	Where	Remark
Aug 6, 1:20 AM CDT	Hail 1.75	Bridgewater, SD
Aug 6, 1:45 AM CDT	Hail 1	Chancellor, SD
Aug 6, 1:50 AM CDT	Hail 0.88	Marion, SD	Large hail caused severe crop damage, especially just west of Marion where the hail fell for 15 minutes and covered the ground. Several soybean crops were completely destroyed, and other bean and corn crops were damaged to the extent of producing greatly reduc

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 6.3 hours before the alert went out and 181 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: 1907 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 1173 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 36 m²/s²
0-3 km storm-relative helicity: 87 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 3.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

851 
WUUS53 KFSD 060619 COR
SVRFSD
SDC087-125-060645-

BULLETIN - IMMEDIATE BROADCAST REQUESTED...CORRECTION TO COUNTY
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
118 AM CDT SUN AUG 6 2000

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN MCCOOK COUNTY IN SOUTHEAST SOUTH DAKOTA
  NORTHERN TURNER COUNTY IN SOUTHEAST SOUTH DAKOTA

* UNTIL 145 AM CDT

* AT 118 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER CANISTOTA...OR ABOUT 15 MILES NORTH OF
  PARKER...MOVING SOUTHEAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  MARION AROUND 125 AM CDT
  PARKER AROUND 135 AM CDT
  CHANCELLOR AROUND 145 AM CDT

THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS.

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 5, 10:49 PM CDT	Severe Thunderstorm Warning	FSD	Beadle, Jerauld	41 min
Aug 5, 11:25 PM CDT	Severe Thunderstorm Warning	FSD	Sanborn	45 min
Aug 5, 11:44 PM CDT	Severe Thunderstorm Warning	FSD	Beadle, Miner	46 min
Aug 5, 11:55 PM CDT	Severe Thunderstorm Warning	FSD	Aurora, Jerauld	35 min
Aug 6, 12:28 AM CDT	Severe Thunderstorm Warning	FSD	Aurora, Davison	32 min
Aug 6, 12:29 AM CDT	Severe Thunderstorm Warning	FSD	Lake, McCook, Miner	41 min
Aug 6, 12:59 AM CDT	Severe Thunderstorm Warning	FSD	Aurora, Davison	31 min
Aug 6, 1:11 AM CDT	Severe Thunderstorm Warning	FSD	Minnehaha	34 min
Aug 6, 1:27 AM CDT	Severe Thunderstorm Warning	FSD	Hanson, Hutchinson	48 min
Aug 6, 1:46 AM CDT	Severe Thunderstorm Warning	FSD	Lincoln, Minnehaha, Turner	44 min
Aug 6, 2:30 AM CDT	Severe Thunderstorm Warning	FSD	Lincoln, Union	45 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 2000 Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.