Alert archive / South Dakota / Tornado Warnings in 1997
Tornado Warning 13, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at Jul 25, 1997, 12:02 AM CDT for Kingsbury County, South Dakota. It was in force for 33 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 25, 1997, 12:02 AM CDT (05:02 UTC)
- Expired
- Jul 25, 1997, 12:35 AM CDT
- In force
- 33 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Kingsbury County, SD
The radar
The Sioux Falls radar (KFSD), 106 km from the middle of the area, began a volume at 05:04 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 25, 12:05 AM CDT | Thunderstorm Wind 52 | Badger, 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 24, 10:00 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 5.0 hours before the alert went out and 93 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
- 2516 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 877 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 50 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.6
The text
As transmitted, in the capitals the NWS used until 2016.
361 WFUS1 KFSD 250503 RRA TORFSD SDC077-250535- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 1202 AM CDT FRI JUL 25 1997 * TORNADO WARNING FOR NORTHERN KINGSBURY COUNTY IN EASTCENTRAL SOUTH DAKOTA * UNTIL 1235 AM CDT * THE TORNADO IS CURRENTLY EXPECTED TO REMAIN OVER RURAL AREAS. * AT MIDNIGHT CDT...NATIONAL WEATHER SERVICE SPOTTERS REPORTED A TORNADO 20 MILES NORTHWEST OF BROOKINGS NEAR BADGER MOVING EAST AT 30 MPH. 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. UMLAND &
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 7:15 PM CDT | Severe Thunderstorm Warning | FSD | Beadle | 35 min |
| Jul 24, 7:51 PM CDT | Severe Thunderstorm Warning | FSD | Beadle | 24 min |
| Jul 24, 8:12 PM CDT | Tornado Warning | FSD | Moody | 33 min |
| Jul 24, 8:18 PM CDT | Severe Thunderstorm Warning | FSD | Beadle | 32 min |
| Jul 24, 9:08 PM CDT | Severe Thunderstorm Warning | FSD | Beadle, Kingsbury | 47 min |
| Jul 24, 9:36 PM CDT | Severe Thunderstorm Warning | FSD | Hanson | 34 min |
| Jul 24, 9:49 PM CDT | Tornado Warning | FSD | Kingsbury | 31 min |
| Jul 24, 10:33 PM CDT | Tornado Warning | FSD | Kingsbury | 32 min |
| Jul 24, 11:05 PM CDT | Tornado Warning | FSD | Kingsbury | 35 min |
| Jul 24, 11:41 PM CDT | Severe Thunderstorm Warning | FSD | Brookings | 49 min |
Nearby
Tornado Warnings in South Dakota, 1997Every tornado warning in 1997Tornadoes in 1997
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.