Alert archive / South Dakota / Tornado Warnings in 1997

Tornado Warning 16, NWS Aberdeen, SD

June 28, 1997Edmunds County, South Dakota

NWS Aberdeen, SD issued this tornado warning at Jun 28, 1997, 8:53 AM CDT for Edmunds County, South Dakota. It was in force for 47 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
Jun 28, 1997, 8:53 AM CDT (13:53 UTC)
Expired
Jun 28, 1997, 9:40 AM CDT
In force
47 min
Issued by
NWS Aberdeen, SD
Area
Whole counties

County Edmunds County, SD

The radar

The Aberdeen radar (KABR), 63 km from the middle of the area, began a volume at 13:54 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 12:00Z, 1.9 hours before the alert went out and 86 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-pSkew-T log-p diagram, Aberdeen, SD at 12:00Z on 1997-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3944 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 12:00Z on 1997-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -36 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
3944 J/kg
Mixed-layer CIN
-170 J/kg
Mixed-layer LCL
854 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
-36 m²/s²
0-3 km storm-relative helicity
51 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.2

Open this sounding in Storm Lab

The text

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

383 
WFUS1 KABR 281354 RRA
TORABR
SDC045-281440-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ABERDEEN SD
853 AM CDT SAT JUN 28 1997

* TORNADO WARNING FOR
  EDMUNDS COUNTY - NORTHEASTERN SOUTH DAKOTA

* UNTIL 940 AM CDT
 
* SOME LOCATIONS AFFECTED
  LOYALTON                            AROUND 905 AM CDT

* AT 852 AM CDT...ABERDEEN DOPPLER RADAR INDICATED A TORNADO 35
  MILES NORTHEAST OF GETTYSBURG OR 7 MILES NORTHWEST OF LOYALTON
  MOVING EAST AT 25 MPH.

GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR

MM/HG

The office that day

Everything else NWS Aberdeen, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 28, 8:24 AM CDTSevere Thunderstorm WarningABREdmunds, McPherson46 min
Jun 28, 8:58 AM CDTTornado WarningABRFaulk, Potter47 min
Jun 28, 9:14 AM CDTSevere Thunderstorm WarningABRBrown, McPherson51 min
Jun 28, 9:38 AM CDTSevere Thunderstorm WarningABREdmunds47 min
Jun 28, 9:55 AM CDTSevere Thunderstorm WarningABRSpink65 min
Jun 28, 10:05 AM CDTSevere Thunderstorm WarningABRBrown45 min
Jun 28, 10:47 AM CDTSevere Thunderstorm WarningABRDay, Marshall, Roberts63 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.