Alert archive / North Dakota / Tornado Warnings in 2001

Tornado Warning 27, NWS Bismarck, ND

August 14, 2001Foster County, North Dakota

NWS Bismarck, ND issued this tornado warning at Aug 14, 2001, 9:39 PM CDT for Foster County, North Dakota. It was in force for 36 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: Aug 14, 2001, 9:39 PM CDT (02:39 UTC)
Expired: Aug 14, 2001, 10:15 PM CDT
In force: 36 min
Issued by: NWS Bismarck, ND
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Foster County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 110 km from the middle of the area, began a volume at 02:41 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 nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 2.7 hours before the alert went out and 166 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: 2390 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 1983 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 35 m²/s²
0-3 km storm-relative helicity: 3 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

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

615 
WFUS53 KBIS 150242
TORBIS
NDC031-150315-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
939 PM CDT TUE AUG 14 2001

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* TORNADO WARNING FOR...
  FOSTER COUNTY IN SOUTHEAST NORTH DAKOTA

* UNTIL 1015 PM CDT

* AT 939 PM CDT...THE POLICE IN EDDY COUNTY REPORTED A TORNADO 
SOUTHEAST OF NEW ROCKFORD...OR ABOUT 36 MILES SOUTH OF DEVILS 
LAKE...MOVING SOUTHEAST AT 35 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  GRACE CITY AT 950 PM CDT
  JUANITA AND MCHENRY 955 PM 
  GLENFIELD AT 1005 PM CDT

LAT...LON 4759 9854 4757 9917 4736 9915 4735 9852

VINING

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 14, 7:07 PM CDT	Severe Thunderstorm Warning	BIS	McLean	53 min
Aug 14, 7:50 PM CDT	Severe Thunderstorm Warning	BIS	Kidder, Wells	55 min
Aug 14, 8:08 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh	52 min
Aug 14, 8:44 PM CDT	Severe Thunderstorm Warning	BIS	Wells	46 min
Aug 14, 11:11 PM CDT	Severe Thunderstorm Warning	BIS	Kidder	34 min
Aug 15, 12:22 AM CDT	Severe Thunderstorm Warning	BIS	LaMoure	53 min
Aug 15, 1:35 AM CDT	Severe Thunderstorm Warning	BIS	Dickey	55 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.