Alert archive / South Dakota / Tornado Warnings in 1991
Tornado Warning 2, NWS Aberdeen, SD
NWS Aberdeen, SD issued this tornado warning at May 28, 1991, 5:00 PM CDT for Jerauld County, Sanborn County, South Dakota. It was in force for 30 min. 2 reports 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
- May 28, 1991, 5:00 PM CDT (22:00 UTC)
- Expired
- May 28, 1991, 5:30 PM CDT
- In force
- 30 min
- Issued by
- NWS Aberdeen, SD
- Area
- Whole counties
Counties Jerauld County, SD, Sanborn County, SD
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 28, 5:00 PM CDT | Hail 2.75 | Jerauld, SD | |
| May 28, 5:25 PM CDT | Hail 4 | Sanborn, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Aberdeen, SD (KHON), launched 12:00Z, 10.0 hours before the alert went out and 95 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
- 868 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 308 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 KHON 282200
TORHON
SDC073-111-282230-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HURON SD
500 PM CDT TUE MAY 28 1991
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 530 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE CENTRAL PART OF SOUTH DAKOTA
JERAULD...
IN THE EAST CENTRAL PART OF SOUTH DAKOTA
WESTERN SANBORN...
SOME OF THE COMMUNITIES INCLUDED IN THIS WARNING ARE
WESSINGTON SPRINGS...WOONSOCKET AND FORESTBURG
AT 455 PM CDT RADAR INDICATED A POSSIBLE TORNADO 10 MILES SOUTH
OF WESSINGTON SPRINGS MOVING NORTHEAST AT 60 MILES AN HOUR.
IF YOU ARE IN THE PATH OF THIS TORNADO...YOU SHOULD GO TO A BASEMENT
SHELTER IF AVAILABLE. OTHERWISE GO TO A CENTRAL INTERIOR ROOM ON THE
LOWEST FLOOR POSSIBLE. ABANDON CARS AND MOBILE HOMES IN FAVOR OF A
REINFORCED BUILDING.What forecasters said that day
The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Local storm report, May 28, 11:39 AM CDT, 5 hours 21 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
1130 AM CDT TUE MAY 28 1991
STORM DATA FOR SUNDAY MAY 26 1991
TIME COUNTY..LOCATION CHARACTER OF STORM..DAMAGE
.......................................................................
601 PM CDT SPINK...REDFIELD 6E KQKD RADIO RECORDED WIND
GUST TO 62 MPH.The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 4:24 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Jerauld | 66 min |
| May 28, 4:24 PM CDT | Severe Thunderstorm Warning | ABR | Beadle | 66 min |
| May 28, 5:32 PM CDT | Tornado Warning | ABR | Kingsbury, Miner, Sanborn | 28 min |
| May 28, 6:00 PM CDT | Tornado Warning | ABR | Kingsbury, Miner | 30 min |
| May 28, 6:35 PM CDT | Severe Thunderstorm Warning | ABR | Kingsbury | 10 min |
Nearby
Tornado Warnings in South Dakota, 1991Every tornado warning in 1991Tornadoes in 1991
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.