Alert archive / South Dakota / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 129, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jul 11, 2000, 5:38 PM CDT for Aurora County, Brule County, South Dakota. It was in force for 37 min. 1 report 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
- Jul 11, 2000, 5:38 PM CDT (22:38 UTC)
- Expired
- Jul 11, 2000, 6:15 PM CDT
- In force
- 37 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
Counties Aurora County, SD, Brule County, SD
The radar
The Sioux Falls radar (KFSD), 169 km from the middle of the area, began a volume at 22:41 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 |
|---|---|---|---|
| Jul 11, 5:50 PM CDT | Thunderstorm Wind 57 E | White Lake, SD | Thunderstorm winds caused widespread tree damage and also damaged at least two buildings. |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 11, 12:45 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 10.6 hours before the alert went out and 136 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.
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KFSD 112239 SVRFSD SDC003-015-112315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 538 PM CDT TUE JUL 11 2000 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEAST BRULE COUNTY IN SOUTH CENTRAL SOUTH DAKOTA NORTHERN AURORA COUNTY IN SOUTHEAST SOUTH DAKOTA * UNTIL 615 PM CDT * AT 538 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 11 MILES NORTHWEST OF WHITE LAKE...OR ABOUT 24 MILES EAST OF CHAMBERLAIN...MOVING SOUTHEAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... WHITE LAKE AROUND 605 PM CDT IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER AWAY FROM CREEK BEDS AND OTHER FLOOD-PRONE AREAS. REMEMBER...A SEVERE THUNDERSTORM CAN PRODUCE LARGE DAMAGING HAIL...DAMAGING WINDS IN EXCESS OF 58 MPH...DEADLY LIGHTNING...AND VERY HEAVY RAIN. x
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 4:04 PM CDT | Severe Thunderstorm Warning | FSD | Beadle | 41 min |
| Jul 11, 4:40 PM CDT | Severe Thunderstorm Warning | FSD | Kingsbury | 35 min |
| Jul 11, 4:52 PM CDT | Tornado Warning | FSD | Kingsbury | 23 min |
| Jul 11, 4:55 PM CDT | Severe Thunderstorm Warning | FSD | Beadle, Jerauld | 35 min |
| Jul 11, 5:14 PM CDT | Severe Thunderstorm Warning | FSD | Kingsbury | 31 min |
| Jul 11, 5:18 PM CDT | Tornado Warning | FSD | Kingsbury | 27 min |
| Jul 11, 5:30 PM CDT | Severe Thunderstorm Warning | FSD | Jerauld, Sanborn | 30 min |
| Jul 11, 5:34 PM CDT | Tornado Warning | FSD | Brookings | 26 min |
| Jul 11, 5:36 PM CDT | Severe Thunderstorm Warning | FSD | Lake | 24 min |
| Jul 11, 5:48 PM CDT | Tornado Warning | FSD | Lake | 27 min |
| Jul 11, 5:59 PM CDT | Tornado Warning | FSD | Brookings, Moody | 31 min |
| Jul 11, 6:05 PM CDT | Tornado Warning | FSD | Lake | 25 min |
| Jul 11, 6:15 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Davison | 30 min |
| Jul 11, 6:28 PM CDT | Tornado Warning | FSD | Lake, Moody | 32 min |
| Jul 11, 6:40 PM CDT | Severe Thunderstorm Warning | FSD | McCook | 35 min |
| Jul 11, 6:42 PM CDT | Severe Thunderstorm Warning | FSD | Davison | 33 min |
| Jul 11, 6:48 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 27 min |
| Jul 11, 6:56 PM CDT | Tornado Warning | FSD | Minnehaha | 34 min |
| Jul 11, 6:59 PM CDT | Tornado Warning | FSD | McCook | 21 min |
Nearby
Severe Thunderstorm Warnings in South Dakota, 2000Every 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.