Alert archive / South Dakota / Tornado Warnings in 2001
Tornado Warning 61, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at Jul 27, 2001, 7:27 PM CDT for Lincoln 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 outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Jul 27, 2001, 7:27 PM CDT (00:27 UTC)
- Expired
- Jul 27, 2001, 8:00 PM CDT
- In force
- 33 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Lincoln County, SD
The radar
The Sioux Falls radar (KFSD), 27 km from the middle of the area, began a volume at 00:27 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 27, 7:54 PM CDT | Tornado F0 | Canton, SD | A tornado which was on the ground for one minute caused no reported damage. |
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, 0.5 hours before the alert went out and 216 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
- 731 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 1167 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- -54 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KFSD 280028 TORFSD SDC083-280100- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 727 PM CDT FRI JUL 27 2001 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A * TORNADO WARNING FOR... LINCOLN COUNTY IN SOUTHEAST SOUTH DAKOTA * UNTIL 800 PM CDT * AT 727 PM CDT...WEATHER SPOTTERS REPORTED A TORNADO NEAR LENNOX... OR ABOUT 12 MILES WEST OF CANTON...MOVING EAST AT 15 MPH. * THE TORNADO WbILL BE NEAR... RURAL LINCOLN COUNTY THROUGH 740 PM CDT IF YOU ARE IN THE PATH OF THIS TORNADO...TAKE COVER IMMEDIATELY. LAT...LON 4343 9690 4325 9691 4321 9659 4342 9657
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 7:43 PM CDT | Tornado Warning | FSD | Minnehaha | 32 min |
| Jul 27, 7:56 PM CDT | Tornado Warning | FSD | Lincoln | 34 min |
Nearby
Tornado Warnings in South Dakota, 2001Every tornado warning in 2001Tornadoes in 2001
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.