Alert archive / South Dakota / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 84, NWS Sioux Falls, SD

June 20, 1996Aurora County, Davison County, South Dakota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 20, 1996, 6:00 PM CDT for Aurora County, Davison County, South Dakota. It was in force for 30 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 20, 1996, 6:00 PM CDT (23:00 UTC)
Expired
Jun 20, 1996, 6:30 PM CDT
In force
30 min
Issued by
NWS Sioux Falls, SD
Area
Whole counties

Counties Aurora County, SD, Davison County, SD

The radar

The Sioux Falls radar (KFSD), 131 km from the middle of the area, began a volume at 23:00 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 20, 6:03 PM CDTHail 1.75Stickney, SD
Jun 20, 6:05 PM CDTHail 2Mt Vernon, SD
Jun 20, 6:38 PM CDTHail 1Mitchell, 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 nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 11.0 hours before the alert went out and 134 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 1996-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1996-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2112 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
-193 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm 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, Jun 20, 1:59 PM CDT, 4 hours 1 minute before
PRELIMINARY LOCAL STORM REPORT...PART 3
NATIONAL WEATHER SERVICE  SIOUX FALLS SD
207 AM CDT THU JUN 20 1996

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0910 PM    HINTON                    IA   3.50 INCH HAIL
06/19/96   PLYMOUTH                       SOME 3.00 INCH HAIL

0950 PM    7 NW KINGSLEY             IA   1.75 INCH HAIL
06/19/96   PLYMOUTH

1001 PM    5 SW CHEROKEE             IA   0.88 INCH HAIL
06/19/96   CHEROKEE

1011 PM    3.5 N REMSEN              IA   WIND DAMAGE
06/19/96   PLYMOUTH                       POWER LINES DOWN AND TREE
                                          DAMAGE
1013 PM    CORRECTIONVILLE           IA   1.75 INCH HAIL
06/19/96   WOODBURY

1014 PM    2 SW CORRECTIONVILLE      IA   2.50 INCH HAIL
06/19/96   WOODBURY

900 PM     2 N HINTON                IA   2.75 INCH HAIL
06/19/96   PLYMOUTH                       DAMAGED CAR ON HIGHWAY 75

0838 PM    SIOUX CENTER              IA   1.00 INCH HAIL
06/19/96   SIOUX

1005 PM    6 W CHEROKEE              IA   1.75 INCH HAIL
06/19/96   CHEROKEE                       COVERING GROUND

1115 PM    WASHTA                    IA   1.75 INCH HAIL
06/19/96   CHEROKEE                       MOSTLY 0.50 INCH HAIL

1142 PM    10 W LEMARS               IA   0.75 INCH HAIL
06/19/96   PLYMOUTH

1208 AM    1 N MOVILLE               IA   1.75 INCH HAIL
06/20/96   WOODBURY

1222 AM    PIERSON                   IA   0.75 INCH HAIL
06/20/96   WOODBURY

1229 AM    3 NW ANTHON               IA   1.75 INCH HAIL
06/20/96   WOODBURY                       MOSTLY 0.50 INCH

1235 AM    5 S ANTHON                IA   1.75 INCH HAIL
06/20/96   WOODBURY                       COVERING GROUND AND 50
                                          MPH WINDS

1202 AM    HOLSTEIN                  IA   1.50 INCH HAIL
06/20/96   IDA

1205 AM    KINGSLEY                  IA   1.75 INCH HAIL
06/20/96   PLYMOUTH                       58 MPH WINDS

1212 AM    KINGSLEY                  IA   1.75 INCH HAIL
06/20/96   PLYMOUTH                       15 MINUTE DURATION

1220 AM    CLIMBING HILL             IA   61 MPH WIND GUST
06/20/96   WOODBURY    (                   SPOTTER REPORT
END

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 7:44 PM CDTSevere Thunderstorm WarningFSDLincoln31 min
Jun 19, 8:10 PM CDTSevere Thunderstorm WarningFSDUnion30 min
Jun 20, 5:00 PM CDTSevere Thunderstorm WarningFSDBrule30 min
Jun 20, 5:00 PM CDTSevere Thunderstorm WarningFSDBeadle30 min
Jun 20, 6:03 PM CDTSevere Thunderstorm WarningFSDMcCook32 min
Jun 20, 6:32 PM CDTSevere Thunderstorm WarningFSDDavison, Hanson33 min
Jun 19, 7:05 PM CDTSevere Thunderstorm WarningFSDOsceola45 min
Jun 19, 8:16 PM CDTSevere Thunderstorm WarningFSDSioux44 min
Jun 19, 9:00 PM CDTSevere Thunderstorm WarningFSDO'Brien, Sioux35 min
Jun 19, 9:18 PM CDTSevere Thunderstorm WarningFSDPlymouth32 min
Jun 19, 9:26 PM CDTSevere Thunderstorm WarningFSDCherokee44 min
Jun 19, 9:49 PM CDTSevere Thunderstorm WarningFSDWoodbury31 min
Jun 19, 9:50 PM CDTSevere Thunderstorm WarningFSDPlymouth35 min
Jun 19, 10:09 PM CDTSevere Thunderstorm WarningFSDCherokee, Ida31 min
Jun 19, 10:22 PM CDTSevere Thunderstorm WarningFSDIda, Woodbury33 min
Jun 19, 10:54 PM CDTSevere Thunderstorm WarningFSDIda31 min
Jun 19, 11:19 PM CDTSevere Thunderstorm WarningFSDIda, Woodbury31 min
Jun 19, 11:50 PM CDTSevere Thunderstorm WarningFSDPlymouth30 min
Jun 20, 12:04 AM CDTSevere Thunderstorm WarningFSDWoodbury46 min
Jun 20, 12:20 AM CDTSevere Thunderstorm WarningFSDPlymouth15 min
Jun 20, 12:52 AM CDTSevere Thunderstorm WarningFSDWoodbury23 min
Jun 20, 1:26 AM CDTFlash Flood WarningFSDIda3 hr
Jun 20, 8:32 AM CDTFlash Flood WarningFSDIda5 hr
Jun 20, 2:13 PM CDTSevere Thunderstorm WarningFSDWoodbury32 min
Jun 20, 2:24 PM CDTSevere Thunderstorm WarningFSDDickinson46 min
Jun 20, 2:45 PM CDTSevere Thunderstorm WarningFSDWoodbury30 min
Jun 20, 3:04 PM CDTSevere Thunderstorm WarningFSDPlymouth46 min
Jun 20, 3:18 PM CDTSevere Thunderstorm WarningFSDWoodbury47 min
Jun 20, 3:51 PM CDTSevere Thunderstorm WarningFSDPlymouth34 min
Jun 20, 3:55 PM CDTSevere Thunderstorm WarningFSDCherokee35 min
Jun 20, 4:37 PM CDTSevere Thunderstorm WarningFSDWoodbury33 min
Jun 20, 6:09 PM CDTSevere Thunderstorm WarningFSDCherokee, Ida31 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 1996Every severe thunderstorm warning in 1996

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.