Alert archive / South Dakota / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 72, NWS Aberdeen, SD

June 28, 1997Brown County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 28, 1997, 10:05 AM CDT for Brown County, South Dakota. It was in force for 45 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 28, 1997, 10:05 AM CDT (15:05 UTC)
Expired
Jun 28, 1997, 10:50 AM CDT
In force
45 min
Issued by
NWS Aberdeen, SD
Area
Whole counties

County Brown County, SD

What was reported inside it

TimeReportWhereRemark
Jun 28, 10:26 AM CDTHail 0.75Aberdeen, 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 28, 9:00 AM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 3.1 hours before the alert went out and 77 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.

843 
WUUS1 KABR 281506 RRA
SVRABR
SDC013-281550-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ABERDEEN SD
1005 AM CDT SAT JUN 28 1997

* SEVERE THUNDERSTORM WARNING FOR
  SOUTHERN BROWN COUNTY - NORTHEASTERN SOUTH DAKOTA

* UNTIL 1050 AM CDT
 
* SOME LOCATIONS AFFECTED
  MANSFIELD                           AROUND 1010 AM CDT
  WARNER AND ABERDEEN                 AROUND 1015 AM CDT

* AT 1002 AM CDT...ABERDEEN DOPPLER RADAR INDICATED A SEVERE
  THUNDERSTORM 13 MILES SOUTHWEST OF ABERDEEN OR 6 MILES NORTHWEST OF
  MANSFIELD MOVING EAST AT 30 MPH.

DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS

MM/HG

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.

NWS Aberdeen, SD wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 27, 8:58 PM CDT, 13 hours 7 minutes earlier.

Area forecast discussion, Jun 27, 8:58 PM CDT, 13 hours 7 minutes before
AREA FORECAST DISCUSSION FOR CENTRAL/NORTH CENTRAL/NORTHEAST SD
AND FOR TRAVERSE/BIG STONE COUNTIES OF MN
NATIONAL WEATHER SERVICE ABERDEEN SD
9 PM CDT FRI JUN 28 1997

THIS EVE SNDG SHWS CAP OF 4.4 WITH B+ AT 5280 J/KG...SI AT -7...
LI AT -12 AND TOTAL TOTALS AT 59.  WE SHUD BE THANKFUL FOR THE CAP.
THE LO LVL JET OVR CWA HAS DCRD AS XPCTD & THE WNDS HAS DROP BLO 10
KTS OVR THE PIR AREA. RAOB ALSO SHWS WNDS ALFT HAS DCRD A LTL THIS
EVE. THIS SHUD SLO THE MOVMT OF ANY STRMS TNGT. ABR 88D IS PICKING
UP THE SVR STRMS OVR ND & NRN MN BUT ALSO ARND RAP & VTN. MDLS SHWS
LTL MOVMT IN FNT OVR ND & TROF OVR WRN SD TNGT. THUS & WITH THE CAP
WE MAY NOT SEE ANY TSTMS OVR CWA TIL AFTR MIDNGT OR POSSIBLY  ERLY
MRNG. CRNT TEMPS OVR CWA A LTL LWR THAN MOS GUID BUT FEEL MOS OVR
NGT LOWS LOOKS GUD. THEREFORE...FCST LOOK O.K. FOR NOW & DO NOT XPCT
TO UPDATE ATTM.

.ABR...NONE

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, 8:53 AM CDTTornado WarningABREdmunds47 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, 10:47 AM CDTSevere Thunderstorm WarningABRDay, Marshall, Roberts63 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 1997Every severe thunderstorm warning 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.