Alert archive / South Dakota / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 13, NWS Aberdeen, SD

May 17, 1996Campbell County, Corson County, Walworth County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at May 17, 1996, 12:23 AM CDT for Campbell County, Corson County, Walworth County, South Dakota. It was in force for 52 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 17, 1996, 12:23 AM CDT (05:23 UTC)
Expired
May 17, 1996, 1:15 AM CDT
In force
52 min
Issued by
NWS Aberdeen, SD
Area
Whole counties

Counties Campbell County, SD, Corson County, SD, Walworth County, SD

The radar

The Bismarck radar (KBIS), 129 km from the middle of the area, began a volume at 05:25 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
May 17, 12:25 AM CDTThunderstorm Wind 52Herreid, SD
May 17, 12:30 AM CDTHail 0.75Herreid, 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

Bismarck Municip, ND (KBIS), launched 00:00Z, 5.4 hours before the alert went out and 128 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, Bismarck Municip, ND at 00:00Z on 1996-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 317 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, Bismarck Municip, ND at 00:00Z on 1996-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 296 square meters per square second.19395878Sfc1 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
317 J/kg
Mixed-layer CIN
-97 J/kg
Mixed-layer LCL
647 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
296 m²/s²
0-3 km storm-relative helicity
422 m²/s²
Significant tornado parameter
0.0
Supercell composite
7.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KABR 170522
SVRABR
SDC021-031-129-170615-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ABERDEEN SD
1223 AM CDT (1123 PM MDT) FRI MAY 17 1996

THE NATIONAL WEATHER SERVICE IN ABERDEEN SD HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 115 AM CDT (1215 AM MDT)
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTH CENTRAL SOUTH DAKOTA

   ...CAMPBELL COUNTY
   ...EASTERN CORSON COUNTY
   ...NORTHERN WALWORTH COUNTY
 
SEVERE THUNDERSTORMS WILL MOVE ACROSS THE COMMUNITIES OF
LITTLE EAGLE... MCLAUGHLIN... MAHTO... MOBRIDGE... POLLOCK AND
HERREID BETWEEN 1220 AND 115 AM CDT.  COMMUNITIES EAST OF HERREID
AND MOUND CITY WILL LIKELY BE AFFECTED AFTER 1240 AM CDT.

A TORNADO WATCH IS ALSO IN EFFECT.  SEVERE THUNDERSTORMS CAN
PRODUCE TORNADOES.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60
MPH...DESTRUCTIVE HAIL 3/4 INCH OR LARGER...DEADLY LIGHTNING AND
VERY HEAVY RAIN THAT CAN QUICKLY FLOOD A LOW LYING AREA. IF YOU ARE
IN THE PATH OF THIS STORM TAKE ACTION NOW TO PROTECT YOUR FAMILY...
YOURSELF AND YOUR PROPERTY.

HG

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 10:11 PM CDTSevere Thunderstorm WarningABRCorson59 min
May 16, 10:47 PM CDTSevere Thunderstorm WarningABRCorson58 min
May 16, 11:16 PM CDTSevere Thunderstorm WarningABRDewey59 min
May 16, 11:28 PM CDTSevere Thunderstorm WarningABRCampbell57 min
May 16, 11:48 PM CDTTornado WarningABRCorson, Dewey32 min
May 17, 12:43 AM CDTSevere Thunderstorm WarningABRMcPherson47 min
May 17, 2:02 PM CDTSevere Thunderstorm WarningABRDay63 min
May 17, 2:13 PM CDTSevere Thunderstorm WarningABRMarshall62 min
May 17, 2:14 PM CDTSevere Thunderstorm WarningABRMarshall61 min
May 17, 3:51 PM CDTSevere Thunderstorm WarningABRHand29 min
May 17, 4:02 PM CDTSevere Thunderstorm WarningABRBrown63 min
May 17, 4:03 PM CDTSevere Thunderstorm WarningABRDay62 min
May 17, 4:09 PM CDTSevere Thunderstorm WarningABRSpink66 min
May 17, 4:17 PM CDTSevere Thunderstorm WarningABRMarshall63 min
May 17, 4:56 PM CDTSevere Thunderstorm WarningABRCodington, Grant49 min
May 17, 5:04 PM CDTSevere Thunderstorm WarningABRClark46 min
May 17, 5:21 PM CDTSevere Thunderstorm WarningABRMarshall49 min
May 17, 5:27 PM CDTTornado WarningABRCodington, Grant33 min
May 17, 5:32 PM CDTSevere Thunderstorm WarningABRDay48 min
May 17, 5:42 PM CDTTornado WarningABRGrant, Roberts48 min
May 17, 5:42 PM CDTTornado WarningABRCodington48 min
May 17, 5:42 PM CDTTornado WarningABRMarshall48 min
May 17, 6:01 PM CDTSevere Thunderstorm WarningABRDeuel49 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.