Alert archive / South Dakota / Tornado Warnings in 1997

Tornado Warning 4, NWS Aberdeen, SD

June 22, 1997Edmunds County, South Dakota

NWS Aberdeen, SD issued this tornado warning at Jun 22, 1997, 11:40 AM CDT for Edmunds County, South Dakota. It was in force for 45 min. 3 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
Jun 22, 1997, 11:40 AM CDT (16:40 UTC)
Expired
Jun 22, 1997, 12:25 PM CDT
In force
45 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 16:40 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

TimeReportWhereRemark
Jun 22, 12:10 PM CDTHail 1Hosmer, SD
Jun 22, 12:30 PM CDTTornado F0Roscoe, SDA weak narrow path tornado touched down briefly 10 miles west of Roscoe. Path length and width were estimated.
Jun 22, 12:30 PM CDTTornado F0Roscoe, SDA narrow path tornado touched down briefly 10 miles north of Roscoe. Path length and width were estimated.

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 12:00Z, 4.7 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 1997-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1357 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 1997-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 square meters per square second.1939587897Sfc1 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
1357 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
762 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
136 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KABR 221640 RRA
TORABR

SDC045-221725-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ABERDEEN SD
1140 AM CDT SUN JUN 22 1997

* TORNADO WARNING FOR
  EDMUNDS COUNTY - NORTHEASTERN SOUTH DAKOTA

* UNTIL 1225 PM CDT
 

* SOME LOCATIONS AFFECTED
  ROSCOE                              AROUND 1155 AM CDT

* AT 1139 AM CDT...ABERDEEN DOPPLER RADAR INDICATED A TORNADO 30
  MILES NORTHEAST OF GETTYSBURG OR 9 MILES WEST OF LOYALTON MOVING
  8EAST AT 25 MPH.

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

KH/HG

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 5:54 AM CDTSevere Thunderstorm WarningABRDewey, Potter46 min
Jun 22, 6:26 AM CDTSevere Thunderstorm WarningABRCorson64 min
Jun 22, 6:48 AM CDTSevere Thunderstorm WarningABRWalworth62 min
Jun 22, 7:19 AM CDTSevere Thunderstorm WarningABRCampbell, Walworth61 min
Jun 22, 8:10 AM CDTSevere Thunderstorm WarningABRWalworth35 min
Jun 22, 8:15 AM CDTSevere Thunderstorm WarningABREdmunds, Faulk60 min
Jun 22, 10:23 AM CDTSevere Thunderstorm WarningABRCampbell, Corson47 min
Jun 22, 11:14 AM CDTSevere Thunderstorm WarningABREdmunds, Potter61 min
Jun 22, 11:21 AM CDTSevere Thunderstorm WarningABREdmunds, McPherson49 min
Jun 22, 11:25 AM CDTSevere Thunderstorm WarningABRCampbell65 min
Jun 22, 11:56 AM CDTSevere Thunderstorm WarningABRFaulk64 min
Jun 22, 12:10 PM CDTTornado WarningABRMcPherson, Walworth30 min
Jun 22, 12:25 PM CDTTornado WarningABREdmunds65 min
Jun 22, 12:42 PM CDTTornado WarningABRFaulk33 min
Jun 22, 12:46 PM CDTSevere Thunderstorm WarningABRMcPherson64 min
Jun 22, 1:00 PM CDTSevere Thunderstorm WarningABRSpink65 min
Jun 22, 1:18 PM CDTSevere Thunderstorm WarningABRFaulk, Hand62 min
Jun 22, 1:32 PM CDTSevere Thunderstorm WarningABRBrown, Edmunds48 min
Jun 22, 2:05 PM CDTSevere Thunderstorm WarningABRSpink60 min
Jun 22, 2:28 PM CDTTornado WarningABRSpink32 min
Jun 22, 2:44 PM CDTTornado WarningABRClark61 min
Jun 22, 2:47 PM CDTTornado WarningABRClark58 min
Jun 22, 3:00 PM CDTTornado WarningABRSpink35 min
Jun 22, 3:27 PM CDTSevere Thunderstorm WarningABRClark48 min
Jun 22, 3:34 PM CDTSevere Thunderstorm WarningABRCodington, Hamlin61 min
Jun 22, 4:00 PM CDTTornado WarningABRHamlin50 min
Jun 22, 4:24 PM CDTTornado WarningABRDeuel61 min
Jun 22, 4:26 PM CDTTornado WarningABRDeuel59 min
Jun 22, 4:33 PM CDTTornado WarningABRHamlin32 min
Jun 22, 5:11 PM CDTSevere Thunderstorm WarningABRClark49 min
Jun 22, 6:06 PM CDTSevere Thunderstorm WarningABRHamlin59 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.