Alert archive / North Dakota / Tornado Warnings in 2000

Tornado Warning 23, NWS Bismarck, ND

August 7, 2000Bottineau County, Renville County, North Dakota

NWS Bismarck, ND issued this tornado warning at Aug 7, 2000, 7:58 PM CDT for Bottineau County, Renville County, North Dakota. It was in force for 32 min. 2 reports came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: Aug 7, 2000, 7:58 PM CDT (00:58 UTC)
Expired: Aug 7, 2000, 8:30 PM CDT
In force: 32 min
Issued by: NWS Bismarck, ND
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Bottineau County, ND, Renville County, ND

What was reported inside it

Time	Report	Where	Remark
Aug 7, 8:04 PM CDT	Hail 1	Sherwood, ND
Aug 7, 8:34 PM CDT	Hail 0.75	Maxbass, ND

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
Aug 7, 4:00 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 1.0 hours before the alert went out and 235 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: 1830 J/kg
Mixed-layer CIN: -122 J/kg
Mixed-layer LCL: 1722 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 182 m²/s²
0-3 km storm-relative helicity: 284 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.2

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KBIS 080059
TORBIS

NDC009-075-080130-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
758 PM CDT MON AUG 7 2000

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN BOTTINEAU COUNTY IN NORTH CENTRAL NORTH DAKOTA
  NORTHERN RENVILLE COUNTY IN NORTH CENTRAL NORTH DAKOTA

* UNTIL 830 PM CDT

* AT 758 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO NEAR LORAINE...OR ABOUT 48 MILES NORTH OF MINOT...MOVING
  EAST AT 15 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  ANTLER AT 825 PM CDT

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.

LAT...LON 4899 10202 4876 10199 4874 10144 4855 10144
          4863 10105 4899 10079

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 7, 7:24 PM CDT	Tornado Warning	BIS	Burke, Renville	36 min
Aug 7, 7:43 PM CDT	Severe Thunderstorm Warning	BIS	Ward	62 min
Aug 7, 8:34 PM CDT	Severe Thunderstorm Warning	BIS	Bottineau, Renville	56 min
Aug 7, 8:49 PM CDT	Severe Thunderstorm Warning	BIS	Ward	56 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.