Alert archive / North Dakota / Tornado Warnings in 2000

Tornado Warning 17, NWS Bismarck, ND

July 6, 2000Hettinger County, North Dakota

NWS Bismarck, ND issued this tornado warning at Jul 6, 2000, 6:34 PM MDT for Hettinger County, North Dakota. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 6, 2000, 6:34 PM MDT (00:34 UTC)
Expired: Jul 6, 2000, 7:15 PM MDT
In force: 41 min
Issued by: NWS Bismarck, ND
Area: Whole counties

County Hettinger County, ND

The radar

The Bismarck radar (KBIS), 135 km from the middle of the area, began a volume at 00:37 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.

Issued	Product	Office	Lasted
Jul 6, 3:15 PM MDT	Tornado Watch	SPC	5 hr
Jul 6, 6:30 PM MDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 0.6 hours before the alert went out and 140 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: 2179 J/kg
Mixed-layer CIN: -34 J/kg
Mixed-layer LCL: 1212 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 89 m²/s²
0-3 km storm-relative helicity: 409 m²/s²
Significant tornado parameter: 3.5
Supercell composite: 29.3

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KBIS 070035
TORBIS
NDC041-070115-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
634 PM MDT THU JUL 6 2000

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN HETTINGER COUNTY IN SOUTHWEST NORTH DAKOTA

* UNTIL 715 PM MDT

* AT 634 PM MDT...SKYWARN SPOTTERS REPORTED A TORNADO 17 MILES WEST
  OF REGENT...OR ABOUT 27 MILES NORTHEAST OF BOWMAN...MOVING
  NORTHEAST AT 20 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  REGENT AT 700 PM MDT

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 8 PM MDT.

LAT...LON 4648 10294 4628 10287( 4634 10235 4658 10231
          4664 10278

.END
43

The office that day

Everything else NWS Bismarck, ND issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 6, 6:45 PM MDT	Severe Thunderstorm Warning	BIS	McKenzie	60 min
Jul 6, 7:01 PM MDT	Severe Thunderstorm Warning	BIS	Williams	64 min
Jul 6, 7:21 PM MDT	Severe Thunderstorm Warning	BIS	Hettinger	24 min
Jul 7, 3:17 AM MDT	Severe Thunderstorm Warning	BIS	McLean	43 min
Jul 7, 4:18 AM MDT	Severe Thunderstorm Warning	BIS	Sheridan, Wells	42 min
Jul 7, 4:58 AM MDT	Severe Thunderstorm Warning	BIS	Wells	47 min

Nearby

Tornado Warnings in North 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.