Alert archive / North Dakota / Tornado Warnings in 2001

Tornado Warning 1, NWS Bismarck, ND

June 9, 2001Mercer County, Oliver County, North Dakota

NWS Bismarck, ND issued this tornado warning at Jun 9, 2001, 3:57 PM MDT for Mercer County, Oliver County, North Dakota. It was in force for 33 min. 1 report 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: Jun 9, 2001, 3:57 PM MDT (21:57 UTC)
Expired: Jun 9, 2001, 4:30 PM MDT
In force: 33 min
Issued by: NWS Bismarck, ND
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Mercer County, ND, Oliver County, ND

The radar

The Bismarck radar (KBIS), 82 km from the middle of the area, began a volume at 21:56 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
Jun 9, 4:20 PM MDT	Hail 0.75	Center, ND	Mostly heavy rain with this storm.

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
Jun 9, 11:45 AM MDT	Severe Thunderstorm Watch	SPC	6 hr
Jun 9, 2:45 PM MDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 10.0 hours before the alert went out and 86 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: 177 J/kg
Mixed-layer CIN: -128 J/kg
Mixed-layer LCL: 1334 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 111 m²/s²
0-3 km storm-relative helicity: 136 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KBIS 092157
TORBIS
NDC057-065-092230-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
457 PM CDT SAT JUN 9 2001

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN MERCER COUNTY IN SOUTH CENTRAL NORTH DAKOTA
  WESTERN OLIVER COUNTY IN SOUTH CENTRAL NORTH DAKOTA

* UNTIL 530 PM CDT(430 PM MDT)

* AT 457 PM CDT(357 PM MDT)...NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATED A TORNADO OVER BEULAH...OR ABOUT 51 MILES NORTHEAST OF
  DICKINSON...MOVING EAST AT 30 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  HANNOVER AT 525 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 4727 10190 4700 10177 4700 10141 4727 10140

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 9, 2:19 PM MDT	Severe Thunderstorm Warning	BIS	Divide	61 min
Jun 9, 2:24 PM MDT	Severe Thunderstorm Warning	BIS	Billings	36 min
Jun 9, 2:41 PM MDT	Severe Thunderstorm Warning	BIS	Dunn	64 min
Jun 9, 3:28 PM MDT	Severe Thunderstorm Warning	BIS	Mercer	62 min
Jun 9, 3:45 PM MDT	Severe Thunderstorm Warning	BIS	Dunn, Stark	30 min
Jun 9, 3:52 PM MDT	Severe Thunderstorm Warning	BIS	Golden Valley, McKenzie	53 min
Jun 9, 4:28 PM MDT	Severe Thunderstorm Warning	BIS	Oliver	62 min
Jun 9, 4:39 PM MDT	Severe Thunderstorm Warning	BIS	Burleigh, Morton	66 min
Jun 9, 4:49 PM MDT	Severe Thunderstorm Warning	BIS	Dunn	56 min
Jun 9, 5:30 PM MDT	Severe Thunderstorm Warning	BIS	Stark	60 min
Jun 9, 5:44 PM MDT	Severe Thunderstorm Warning	BIS	Burleigh, Kidder, Morton	61 min
Jun 9, 5:57 PM MDT	Severe Thunderstorm Warning	BIS	Morton	63 min

Nearby

Tornado Warnings in North 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.