Alert archive / South Dakota / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 39, NWS Aberdeen, SD

June 23, 2002Dewey County, Potter County, Sully County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 23, 2002, 6:22 PM MDT for Dewey County, Potter County, Sully County, South Dakota. It was in force for 53 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 23, 2002, 6:22 PM MDT (00:22 UTC)
Expired
Jun 23, 2002, 7:15 PM MDT
In force
53 min
Issued by
NWS Aberdeen, SD
Area
Counties, with a storm outline in the text

Counties Dewey County, SD, Potter County, SD, Sully County, SD

The radar

The Aberdeen radar (KABR), 169 km from the middle of the area, began a volume at 00:24 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 23, 7:15 PM MDTHail 0.75Agar, 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 00:00Z, 0.4 hours before the alert went out and 159 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 00:00Z on 2002-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3980 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2002-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 109 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
3980 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
1618 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
109 m²/s²
0-3 km storm-relative helicity
175 m²/s²
Significant tornado parameter
1.5
Supercell composite
15.7

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KABR 240022
SVRABR
SDC041-107-119-240115-
/NEW.KABR.SV.W.0095.240021-240115/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ABERDEEN SD
721 PM CDT SUN JUN 23 2002

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SULLY COUNTY IN CENTRAL SOUTH DAKOTA
  DEWEY COUNTY IN NORTH CENTRAL SOUTH DAKOTA
  POTTER COUNTY IN NORTH CENTRAL SOUTH DAKOTA

* UNTIL 815 PM CDT(715 PM MDT)

* AT 721 PM CDT(621 PM MDT)...NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATED A SEVERE THUNDERSTORM 13 MILES SOUTHWEST OF SUTTON BAY
  REC AREA...OR ABOUT 27 MILES WEST OF ONIDA...MOVING NORTHEAST AT 35
  MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SUTTON BAY REC AREA AROUND 740 PM CDT
  WHITLOCKS BAY REC AREA AROUND 755 PM CDT
  GORMAN AROUND 800 PM CDT
  GETTYSBURG AROUND 810 PM CDT

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

THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL AND DAMAGING WIND.
GO INSIDE A STURDY BUILDING AND STAY 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 4485 10076 4469 10064 4492 9979 4523 10017

HINTZ

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 6:19 PM MDTSevere Thunderstorm WarningABRHughes41 min
Jun 23, 6:24 PM MDTSevere Thunderstorm WarningABRMcPherson51 min
Jun 23, 6:37 PM MDTTornado WarningABRBrown, McPherson38 min
Jun 23, 6:51 PM MDTSevere Thunderstorm WarningABRHughes, Stanley39 min
Jun 23, 7:10 PM MDTSevere Thunderstorm WarningABRPotter, Sully65 min
Jun 23, 7:12 PM MDTTornado WarningABRBrown48 min
Jun 23, 7:27 PM MDTSevere Thunderstorm WarningABRHughes, Stanley63 min
Jun 23, 7:34 PM MDTTornado WarningABRHughes, Stanley41 min
Jun 23, 7:55 PM MDTTornado WarningABRBrown50 min
Jun 23, 8:09 PM MDTSevere Thunderstorm WarningABRHyde, Sully51 min
Jun 23, 8:48 PM MDTSevere Thunderstorm WarningABRHughes, Hyde27 min
Jun 23, 9:09 PM MDTSevere Thunderstorm WarningABRHand66 min
Jun 23, 9:23 PM MDTSevere Thunderstorm WarningABRCampbell22 min
Jun 23, 10:13 PM MDTSevere Thunderstorm WarningABRSpink47 min
Jun 23, 10:31 PM MDTSevere Thunderstorm WarningABRClark44 min
Jun 23, 11:13 PM MDTSevere Thunderstorm WarningABRClark, Hamlin47 min
Jun 23, 11:38 PM MDTSevere Thunderstorm WarningABRFaulk, Potter37 min
Jun 24, 12:01 AM MDTSevere Thunderstorm WarningABRHamlin29 min
Jun 24, 12:14 AM MDTSevere Thunderstorm WarningABRFaulk46 min
Jun 24, 12:56 AM MDTSevere Thunderstorm WarningABRSpink49 min
Jun 24, 1:02 AM MDTSevere Thunderstorm WarningABRFaulk28 min
Jun 24, 1:39 AM MDTTornado WarningABRDay36 min
Jun 24, 1:47 AM MDTSevere Thunderstorm WarningABRClark, Spink28 min
Jun 24, 2:17 AM MDTSevere Thunderstorm WarningABRDay, Roberts43 min
Jun 24, 2:25 AM MDTSevere Thunderstorm WarningABRClark, Codington50 min
Jun 24, 2:37 AM MDTSevere Thunderstorm WarningABRGrant38 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 2002Every severe thunderstorm warning in 2002

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.