Alert archive / South Dakota / Tornado Warnings in 1996
Tornado Warning 22, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at Aug 6, 1996, 7:31 PM CDT for Minnehaha County, South Dakota. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 6, 1996, 7:31 PM CDT (00:31 UTC)
- Expired
- Aug 6, 1996, 8:05 PM CDT
- In force
- 34 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Minnehaha County, SD
The radar
The Sioux Falls radar (KFSD), 11 km from the middle of the area, began a volume at 00:31 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.
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 0.5 hours before the alert went out and 187 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2080 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 242 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFSD 070031 TORFSD SDC099-070105- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 731 PM CDT TUE AUG 6 1996 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS SD HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 805 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST SOUTH DAKOTA ...MINNEHAHA COUNTY AT 730 PM CDT...A TORNADO WAS INDICATED BY SIOUX FALLS DOPPLER RADAR AND SPOTTER REPORTS 16 MILES NORTHWEST OF SIOUX FALLS OR NEAR COLTON MOVING EAST AT 25 MPH. AT PRESENT MOVEMENT THE TORNADO WILL BE AROUND... BALTIC AROUND 750 PM CDT DELL RAPIDS AROUND 800 PM CDT IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. HOLMES
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 7:02 PM CDT | Severe Thunderstorm Warning | FSD | McCook, Minnehaha | 33 min |
| Aug 6, 7:07 PM CDT | Severe Thunderstorm Warning | FSD | Douglas | 33 min |
| Aug 6, 7:10 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme | 35 min |
| Aug 6, 7:14 PM CDT | Severe Thunderstorm Warning | FSD | Brookings | 36 min |
| Aug 6, 7:24 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 36 min |
| Aug 6, 7:34 PM CDT | Severe Thunderstorm Warning | FSD | Hutchinson | 31 min |
| Aug 6, 7:38 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 32 min |
| Aug 6, 7:47 PM CDT | Tornado Warning | FSD | Brookings | 33 min |
| Aug 6, 7:53 PM CDT | Tornado Warning | FSD | Hutchinson | 32 min |
| Aug 6, 7:57 PM CDT | Severe Thunderstorm Warning | FSD | Lake, Miner | 48 min |
| Aug 6, 8:02 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 33 min |
| Aug 6, 8:13 PM CDT | Severe Thunderstorm Warning | FSD | Yankton | 32 min |
| Aug 6, 8:25 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Turner | 50 min |
| Aug 6, 8:51 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.