Alert archive / South Dakota / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 14, NWS Aberdeen, SD

June 6, 2001Potter County, Walworth County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 6, 2001, 11:24 AM CDT for Potter County, Walworth County, South Dakota. It was in force for 51 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 6, 2001, 11:24 AM CDT (16:24 UTC)
Expired
Jun 6, 2001, 12:15 PM CDT
In force
51 min
Issued by
NWS Aberdeen, SD
Area
Whole counties

Counties Potter County, SD, Walworth County, SD

The radar

The Aberdeen radar (KABR), 126 km from the middle of the area, began a volume at 16:23 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 6, 11:40 AM CDTHail 1Lowry, 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, 4.4 hours before the alert went out and 131 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 2001-06-06Temperature 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 2001-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 square meters per square second.193958Sfc1 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
1060 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
135 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KABR 061624
SVRABR
SDC107-129-061715-
/NEW.KABR.SV.W.0043.061624-061715/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ABERDEEN SD
1124 AM CDT WED JUN 6 2001

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN POTTER COUNTY IN NORTH CENTRAL SOUTH DAKOTA
  WALWORTH COUNTY IN NORTH CENTRAL SOUTH DAKOTA

* UNTIL 1215 PM CDT

* AT 1124 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 7 MILES SOUTHWEST OF AKASKA...OR ABOUT 19 MILES
  SOUTHWEST OF SELBY...MOVING EAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  AKASKA AROUND 1130 AM CDT
  LOWRY AROUND 1145 AM CDT

IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER
AWAY FROM WINDOWS.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
ABERDEEN.

$$
LAT...LON 4535 10025 4517 10020 4520 9979 4541 9988

PARKIN

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 6, 10:30 AM CDT, 54 minutes earlier.

Area forecast discussion, Jun 6, 10:30 AM CDT, 54 minutes before
AREA FORECAST DISCUSSION FOR CENTRAL/NORTHCENTRAL AND NORTHEAST
SOUTH DAKOTA AND WEST CENTRAL MINNESOTA
NATIONAL WEATHER SERVICE ABERDEEN SD
1030 AM CDT WED JUN 6 2001

QUICK LOOK AT 12Z ETA REVEALED IT APPEARED TO HAVE FAIR HANDLE ON
SITUATION. WIDESPREAD ELEVATED RAIN/TSRA CONTINUES OVER NORTHERN
TIER OF COUNTIES. MORE SCATTERED ACTIVITY POPPING UP OVER CENTRAL
PORTIONS OF STATE AS JET MAX/SW INTRUDE INTO THE AREA.  BNDRY LAYER
INSTABILITY STILL VERY MEAGER BUT DECENT SHEAR PROFILE HELPING
THINGS OUT. BEST CHC OF SVR FOR MY CWA SHOULD BE FROM KPIR EAST TO
KATY AS SFC LOW MOVES EAST ACROSS SOUTHERN SD. UPDATES ALREADY
ISSUED.

.ABR...NONE.
TDK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 9:29 AM CDTSevere Thunderstorm WarningABRDewey31 min
Jun 6, 10:06 AM CDTSevere Thunderstorm WarningABRDewey, Walworth24 min
Jun 6, 12:06 PM CDTSevere Thunderstorm WarningABREdmunds54 min
Jun 6, 3:39 PM CDTSevere Thunderstorm WarningABRSpink66 min
Jun 6, 5:41 PM CDTSevere Thunderstorm WarningABRSpink49 min
Jun 6, 6:28 PM CDTSevere Thunderstorm WarningABRClark, Spink62 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 2001Every severe thunderstorm warning in 2001

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.