Alert archive / South Dakota / Tornado Warnings in 2003

Tornado Warning 16, NWS Aberdeen, SD

June 23, 2003Grant County, Roberts County, South Dakota

NWS Aberdeen, SD issued this tornado warning at Jun 23, 2003, 8:16 PM CDT for Grant County, Roberts County, South Dakota. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 23, 2003, 8:16 PM CDT (01:16 UTC)
Expired
Jun 23, 2003, 9:00 PM CDT
In force
44 min
Issued by
NWS Aberdeen, SD
Area
Counties, with a storm outline in the text

Counties Grant County, SD, Roberts County, SD

The radar

The Aberdeen radar (KABR), 116 km from the middle of the area, began a volume at 01:18 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 23, 6:45 PM CDTTornado WatchSPC4 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 1.3 hours before the alert went out and 127 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 2003-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1534 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 00:00Z on 2003-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 120 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
1534 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
996 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
120 m²/s²
0-3 km storm-relative helicity
407 m²/s²
Significant tornado parameter
0.7
Supercell composite
4.3

Open this sounding in Storm Lab

The text

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

736 
WFUS53 KABR 240116
TORABR
SDC051-109-240200-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ABERDEEN SD
815 PM CDT MON JUN 23 2003

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A

* TORNADO WARNING FOR...
  GRANT COUNTY IN NORTHEAST SOUTH DAKOTA
  ROBERTS COUNTY IN NORTHEAST SOUTH DAKOTA

* UNTIL 900 PM CDT

* AT 815 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES
  NORTHWEST OF MARVIN...OR ABOUT 20 MILES WEST OF MILBANK...MOVING
  EAST AT 30 MPH.

* THE TORNADO WILL BE NEAR...
  MARVIN AROUND 820 PM CDT
  WILMOT AROUND 830 PM CDT
  CORONA AROUND 835 PM CDT

A TRAINED WEATHER SPOTTER REPORTED A TORNADO WITH THIS STORM AT 750 
PM CDT.

THIS IS AN EXTREMELY DANGEROUS AND POTENTIALLY LIFE THREATENING
SITUATION. IF YOU ARE IN THE PATH OF THIS TORNADO TAKE SHELTER NOW

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

LAT...LON 4542 9709 4525 9701 4528 9665 4554 9681

$$
HARDING

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 7:38 PM CDTSevere Thunderstorm WarningABRDay, Roberts67 min
Jun 23, 7:47 PM CDTTornado WarningABRDay, Grant, Roberts28 min
Jun 24, 2:28 AM CDTSevere Thunderstorm WarningABRBrown, Day32 min
Jun 24, 2:42 AM CDTSevere Thunderstorm WarningABRBuffalo48 min
Jun 24, 2:59 AM CDTSevere Thunderstorm WarningABRHand, Hyde61 min
Jun 24, 4:25 AM CDTSevere Thunderstorm WarningABRDay, Roberts35 min
Jun 24, 3:30 PM CDTSevere Thunderstorm WarningABRGrant, Roberts45 min
Jun 24, 6:42 PM CDTSevere Thunderstorm WarningABRDay33 min
Jun 24, 6:54 PM CDTTornado WarningABRDay36 min

Nearby

Tornado Warnings in South Dakota, 2003Every tornado warning in 2003Tornadoes in 2003

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.