Alert archive / South Dakota / Tornado Warnings in 1997

Tornado Warning 5, NWS Aberdeen, SD

June 22, 1997McPherson County, Walworth County, South Dakota

NWS Aberdeen, SD issued this tornado warning at Jun 22, 1997, 12:10 PM CDT for McPherson County, Walworth County, South Dakota. It was in force for 30 min. 1 report 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, 12:10 PM CDT (17:10 UTC)
Expired
Jun 22, 1997, 12:40 PM CDT
In force
30 min
Issued by
NWS Aberdeen, SD
Area
Whole counties

Counties McPherson County, SD, Walworth County, SD

The radar

The Aberdeen radar (KABR), 96 km from the middle of the area, began a volume at 17:09 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 1Hillsview, 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 22, 12:00 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 5.2 hours before the alert went out and 123 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 221710 RRA
TORABR
SDC089-129-221740-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ABERDEEN SD
1210 PM CDT SUN JUN 22 1997

* TORNADO WARNING FOR
  MCPHERSON COUNTY - NORTHEASTERN SOUTH DAKOTA
  EASTERN WALWORTH COUNTY - NORTH CENTRAL SOUTH DAKOTA

* UNTIL 1240 PM CDT
 
* SOME LOCATIONS AFFECTED
  HILLSVIEW                  AROUND 1220 PM CDT
  HOSMER                     AROUND 1220 PM CDT
  LOCATIONS ALONG AND JUST NORTH OF US HIGHWAY 12

* AT 1207 PM CDT...ABERDEEN DOPPLER RADAR AND SPOTTER REPORTS
  INDICATED A TORNADO 36 MILES EAST OF MOBRIDGE OR 12 MILES NORTHEAST
  OF JAVA MOVING EAST AT 35 MPH.

A TORNADO IS ON THE GROUND! GO TO THE BASEMENT! IF A BASEMENT IS NOT
AVAILABLE...GO TO 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, 11:40 AM CDTTornado WarningABREdmunds45 min
Jun 22, 11:56 AM CDTSevere Thunderstorm WarningABRFaulk64 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.