Alert archive / South Dakota / Tornado Warnings in 1991

Tornado Warning 3, NWS Aberdeen, SD

May 28, 1991Kingsbury County, Miner County, Sanborn County, South Dakota

NWS Aberdeen, SD issued this tornado warning at May 28, 1991, 5:32 PM CDT for Kingsbury County, Miner County, Sanborn County, South Dakota. It was in force for 28 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, 5:32 PM CDT (22:32 UTC)
Expired: May 28, 1991, 6:00 PM CDT
In force: 28 min
Issued by: NWS Aberdeen, SD
Area: Whole counties

Counties Kingsbury County, SD, Miner County, SD, Sanborn County, SD

What was reported inside it

Time	Report	Where	Remark
May 28, 5:45 PM CDT	Hail 5	Sanborn, SD
May 28, 5:50 PM CDT	Hail 1.75	Kingsbury, 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, 10.5 hours before the alert went out and 100 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

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

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KHON 282234 COR
TORHON
SDC077-097-111-282300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HURON SD
532 PM CDT TUE MAY 28 1991

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 600 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES

   IN THE EAST CENTRAL PART OF SOUTH DAKOTA
      SOUTHWEST KINGSBURY...MINER...CENTRAL AND EASTERN SANBORN

SOME OF THE COMMUNITIES INCLUDED IN THIS WARNING ARE ARTESIAN...CARTHAGE
AND IROQUOIS.
AT 530 PM CDT  RADAR INDICATED A POSSIBLE TORNADO 20 MILES SOUTH
OF HURON...OR JUST NORTH OF ARTESIAN MOVING EAST NORTHEAST
AT 60 MILES AN HOUR.

THIS IS A DANGEROUS STORM SITUATION.  ACT QUICKLY.  IF YOU ARE
IN THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF
AVAILABLE.  OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR POSSIBLE.  AVOID WINDOWS.  ABANDON CARS AND MOBILE HOMES
FOR A REINFORCED BUILDING OR GET INTO A DITCH OR CUL;VERT.

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 53 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, 5:00 PM CDT	Tornado Warning	ABR	Jerauld, Sanborn	30 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, 1991 Every tornado warning in 1991 Tornadoes 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.