Alert archive / South Dakota / Tornado Warnings in 2001

Tornado Warning 7, NWS Aberdeen, SD

July 3, 2001Dewey County, South Dakota

NWS Aberdeen, SD issued this tornado warning at Jul 3, 2001, 5:15 PM MDT for Dewey County, South Dakota. It was in force for 30 min. 2 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 3, 2001, 5:15 PM MDT (23:15 UTC)
Expired: Jul 3, 2001, 5:45 PM MDT
In force: 30 min
Issued by: NWS Aberdeen, SD
Area: Whole counties

County Dewey County, SD

The radar

The Bismarck radar (KBIS), 180 km from the middle of the area, began a volume at 23:14 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	Remark
Jul 3, 5:30 PM MDT	Hail 1.75	Eagle Butte, SD
Jul 3, 5:30 PM MDT	Hail 1.75	Parade, SD	Large hail broke many car windows in Parade.

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

Bismarck Municip, ND (KBIS), launched 12:00Z, 11.3 hours before the alert went out and 180 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1876 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: -31 m²/s²
0-3 km storm-relative helicity: 95 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KABR 032315
TORABR

SDC041-032345-
/NEW.KABR.TO.W.0038.032315-032345/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ABERDEEN SD
515 PM MDT TUE JUL 3 2001

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A

* TORNADO WARNING FOR...
  DEWEY COUNTY IN NORTH CENTRAL SOUTH DAKOTA

* UNTIL 545 PM MDT

* AT 515 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 11 MILES NORTHWEST OF PARADE...OR ABOUT 12 MILES NORTH OF
  EAGLE BUTTE...MOVING SOUTHEAST AT 35 MPH.

* THE TORNADO WILL BE NEAR...
  PARADE AROUND 530 PM MDT

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 4524 10108 4513 10131 4488 10105 4497 10078

FAUCETTE

:

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 3, 1:52 PM MDT	Severe Thunderstorm Warning	ABR	Corson	23 min
Jul 3, 2:17 PM MDT	Severe Thunderstorm Warning	ABR	Dewey	43 min
Jul 3, 2:59 PM MDT	Severe Thunderstorm Warning	ABR	Dewey	61 min
Jul 3, 3:34 PM MDT	Severe Thunderstorm Warning	ABR	Corson	41 min
Jul 3, 4:20 PM MDT	Severe Thunderstorm Warning	ABR	Corson, Dewey	40 min
Jul 3, 5:00 PM MDT	Severe Thunderstorm Warning	ABR	Dewey	45 min
Jul 3, 5:01 PM MDT	Severe Thunderstorm Warning	ABR	Corson	14 min
Jul 3, 5:49 PM MDT	Severe Thunderstorm Warning	ABR	Dewey, Stanley	26 min

Nearby

Tornado Warnings in South Dakota, 2001 Every tornado warning in 2001 Tornadoes 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.