Alert archive / South Dakota / Tornado Warnings in 1996
Tornado Warning 13, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at Aug 6, 1996, 5:46 PM CDT for Davison County, South Dakota. It was in force for 34 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
- Aug 6, 1996, 5:46 PM CDT (22:46 UTC)
- Expired
- Aug 6, 1996, 6:20 PM CDT
- In force
- 34 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Davison County, SD
The radar
The Sioux Falls radar (KFSD), 114 km from the middle of the area, began a volume at 22:49 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, 6:00 PM CDT | Hail 1 | Loomis, SD |
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 12:00Z, 10.8 hours before the alert went out and 138 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
- 1082 J/kg
- Mixed-layer CIN
- -456 J/kg
- Mixed-layer LCL
- 1178 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 318 m²/s²
- 0-3 km storm-relative helicity
- 222 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFSD 062247 TORFSD SDC035-062320- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 546 PM CDT TUE AUG 6 1996 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS SD HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 620 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST SOUTH DAKOTA ...NORTHERN DAVISON COUNTY AT 546 PM CDT...A DEVELOPING TORNADO WAS INDICATED BY SIOUX FALLS DOPPLER RADAR 13 MILES WEST OF MITCHELL OR 4 MILES NORTH OF MT VERNON MOVING NORTHEAST AT 30 MPH. THE TORNADO IS CURRENTLY EXPECTED TO REMAIN OVER RURAL AREAS. A TORNADO WATCH IS IN EFFECT UNTIL 1100 PM IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IN A HOME OR BUSINESS IS AN INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE. AVOID WINDOWS. HOLMES
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 5:18 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix | 47 min |
| Aug 6, 5:46 PM CDT | Severe Thunderstorm Warning | FSD | Lake, Miner | 29 min |
| Aug 6, 5:54 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme | 46 min |
| Aug 6, 5:54 PM CDT | Tornado Warning | FSD | Aurora | 21 min |
| Aug 6, 6:04 PM CDT | Tornado Warning | FSD | Sanborn | 31 min |
| Aug 6, 6:15 PM CDT | Tornado Warning | FSD | Lake, Miner | 35 min |
| Aug 6, 6:20 PM CDT | Tornado Warning | FSD | Davison | 35 min |
| Aug 6, 6:24 PM CDT | Tornado Warning | FSD | Bon Homme | 31 min |
| Aug 6, 6:27 PM CDT | Tornado Warning | FSD | Lake, McCook | 33 min |
| Aug 6, 6:36 PM CDT | Tornado Warning | FSD | Miner, Sanborn | 34 min |
| Aug 6, 6:41 PM CDT | Severe Thunderstorm Warning | FSD | Brookings, Kingsbury | 34 min |
| Aug 6, 6:42 PM CDT | Severe Thunderstorm Warning | FSD | Hutchinson, Turner | 48 min |
| Aug 6, 6:50 PM CDT | Tornado Warning | FSD | Lake | 35 min |
| Aug 6, 6:56 PM CDT | Severe Thunderstorm Warning | FSD | Sanborn | 34 min |
Nearby
Tornado Warnings in South Dakota, 1996Every tornado warning in 1996Tornadoes in 1996
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.