Alert archive / North Dakota / Tornado Warnings in 2000

Tornado Warning 20, NWS Bismarck, ND

July 15, 2000McHenry County, North Dakota

NWS Bismarck, ND issued this tornado warning at Jul 15, 2000, 6:26 PM CDT for McHenry County, North Dakota. It was in force for 34 min. No storm report in the archive falls 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.

The facts

Issued: Jul 15, 2000, 6:26 PM CDT (23:26 UTC)
Expired: Jul 15, 2000, 7:00 PM CDT
In force: 34 min
Issued by: NWS Bismarck, ND
Area: Whole counties; the outline is the Mesonet’s reconstruction

County McHenry County, ND

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 15, 4:30 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 11.4 hours before the alert went out and 179 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: 1025 J/kg
Mixed-layer CIN: -492 J/kg
Mixed-layer LCL: 1382 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 213 m²/s²
0-3 km storm-relative helicity: 264 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 KBIS 152327
TORBIS

NDC049-160000-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
626 PM CDT SAT JUL 15 2000

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN MCHENRY COUNTY IN NORTH CENTRAL NORTH DAKOTA

* UNTIL 700 PM CDT

* AT 626 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 7 MILES NORTHWEST OF DENBIGH...OR ABOUT 29 MILES EAST OF
  MINOT...MOVING SOUTHEAST AT 25 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE TOWNER...GRANVILLE AND
  BANTRY AND TOWNER

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 4854 10060 4827 10094 4805 10025 4847 10029

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 14, 7:42 PM CDT	Severe Thunderstorm Warning	BIS	Bowman, Slope	33 min
Jul 14, 8:15 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Bowman	60 min
Jul 15, 12:21 AM CDT	Severe Thunderstorm Warning	BIS	Renville, Ward	54 min
Jul 15, 5:53 PM CDT	Tornado Warning	BIS	Bottineau, Rolette	37 min
Jul 15, 6:12 PM CDT	Tornado Warning	BIS	Bottineau, Rolette	33 min
Jul 15, 6:50 PM CDT	Severe Thunderstorm Warning	BIS	Pierce, Rolette	40 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.