Alert archive / South Dakota / Tornado Warnings in 2000

Tornado Warning 6, NWS Aberdeen, SD

July 24, 2000Hand County, South Dakota

NWS Aberdeen, SD issued this tornado warning at Jul 24, 2000, 8:08 PM CDT for Hand County, South Dakota. It was in force for 37 min. 4 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: Jul 24, 2000, 8:08 PM CDT (01:08 UTC)
Expired: Jul 24, 2000, 8:45 PM CDT
In force: 37 min
Issued by: NWS Aberdeen, SD
Area: Whole counties

County Hand County, SD

The radar

The Aberdeen radar (KABR), 111 km from the middle of the area, began a volume at 01:07 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

Time	Report	Where
Jul 24, 8:35 PM CDT	Hail 1	Polo, SD
Jul 24, 8:40 PM CDT	Hail 1.75	Polo, SD
Jul 24, 8:52 PM CDT	Hail 0.88	Polo, SD
Jul 24, 8:55 PM CDT	Hail 1.75	Polo, 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.

Issued	Product	Office	Lasted
Jul 24, 5:30 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 1.1 hours before the alert went out and 62 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2855 J/kg
Mixed-layer CIN: -38 J/kg
Mixed-layer LCL: 1524 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 115 m²/s²
0-3 km storm-relative helicity: 105 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 7.1

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KABR 250109
TORABR

SDC059-250145-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ABERDEEN SD
808 PM CDT MON JUL 24 2000

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A

* TORNADO WARNING FOR...
  HAND COUNTY IN CENTRAL SOUTH DAKOTA

* UNTIL 845 PM CDT

* AT 808 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 4 MILES NORTHEAST OF POLO...OR ABOUT 15 MILES SOUTH OF
  FAULKTON...MOVING SOUTHEAST AT 10 MPH.

* THE TORNADO WILL BE NEAR...
  POLO AROUND 825 PM CDT

THIS WARNING REPLACES THE SEVERE THUNDERSTORM WARNING PREVIOUSLY
ISSUED FOR THE WARNED AREA.

THIS IS AN EXTREMELY DANGEROUS AND POTENTIALLY LIFE THREATENING
SI#TUATION. 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.
$$
SALMONS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 24, 7:27 PM CDT	Severe Thunderstorm Warning	ABR	Spink	48 min
Jul 24, 7:34 PM CDT	Severe Thunderstorm Warning	ABR	Faulk	26 min
Jul 24, 7:50 PM CDT	Severe Thunderstorm Warning	ABR	Hand	40 min
Jul 24, 8:14 PM CDT	Severe Thunderstorm Warning	ABR	Spink	46 min
Jul 24, 8:46 PM CDT	Severe Thunderstorm Warning	ABR	Hand	59 min
Jul 24, 8:58 PM CDT	Severe Thunderstorm Warning	ABR	Hyde	32 min
Jul 24, 10:48 PM CDT	Severe Thunderstorm Warning	ABR	Hand	27 min

Nearby

Tornado Warnings in South Dakota, 2000 Every tornado warning in 2000 Tornadoes in 2000

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.