Alert archive / Minnesota / Tornado Warnings in 2001

Tornado Warning 38, NWS Grand Forks, ND

July 18, 2001Kittson County, Roseau County, Minnesota

NWS Grand Forks, ND issued this tornado warning at Jul 18, 2001, 5:29 PM CDT for Kittson County, Roseau County, Minnesota. It was in force for 46 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 18, 2001, 5:29 PM CDT (22:29 UTC)
Expired: Jul 18, 2001, 6:15 PM CDT
In force: 46 min
Issued by: NWS Grand Forks, ND
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Kittson County, MN, Roseau County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 160 km from the middle of the area, began a volume at 22:33 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 18, 4:00 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 10.5 hours before the alert went out and 239 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: 362 J/kg
Mixed-layer CIN: -229 J/kg
Mixed-layer LCL: 1307 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 7 m²/s²
0-3 km storm-relative helicity: 156 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.9

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KFGF 182231
TORFAR

MNC069-135-182315-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS
529 PM CDT WED JUL 18 2001

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...

  NORTHEASTERN KITTSON COUNTY IN NORTHWEST MINNESOTA AND             
  WESTERN ROSEAU COUNTY IN NORTHWEST MINNESOTA.

* UNTIL 615 PM CDT.

* AT 528 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 5 MILES NORTHEAST OF LANCASTER...OR ABOUT 42 MILES WEST    
  OF   ROSEAU...MOVEMENT WAS TO THE EAST AT 20 MPH.  SPOTTERS REPORT 
  A WALL CLOUD AND ROTATION WITH THIS STORM.

* THE TORNADO WILL AFFECT AREAS...

  BETWEEN CARIBOU AND LAKE BRONSON BETWEEN 530 AND 550 PM
  LEO AND HAUG NEAR 610 PM CDT.

THIS IS A DANGEROUS STORM. IF YOU ARE IN THE PATH OF THIS TORNADO
ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT WEDNESDAY EVENING
FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA.

LAT...LON 4898 9679 4880 9685 4867 9613 4889 9606


$$
DTR

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 17, 7:02 PM CDT	Tornado Warning	FGF	Beltrami	28 min
Jul 17, 7:14 PM CDT	Severe Thunderstorm Warning	FGF	Lake of the Woods	61 min
Jul 17, 7:16 PM CDT	Tornado Warning	FGF	Wadena	29 min
Jul 17, 7:32 PM CDT	Severe Thunderstorm Warning	FGF	Beltrami	43 min
Jul 17, 8:10 PM CDT	Tornado Warning	FGF	Wilkin	35 min
Jul 17, 8:15 PM CDT	Severe Thunderstorm Warning	FGF	Hubbard	60 min
Jul 17, 8:18 PM CDT	Severe Thunderstorm Warning	FGF	Beltrami, Lake of the Woods	57 min
Jul 17, 8:22 PM CDT	Severe Thunderstorm Warning	FGF	Becker, Otter Tail	53 min
Jul 17, 8:42 PM CDT	Severe Thunderstorm Warning	FGF	Wilkin	48 min
Jul 17, 9:11 PM CDT	Severe Thunderstorm Warning	FGF	Otter Tail	49 min
Jul 17, 9:59 PM CDT	Severe Thunderstorm Warning	FGF	Otter Tail	31 min
Jul 17, 11:00 PM CDT	Severe Thunderstorm Warning	FGF	Wilkin	30 min
Jul 18, 4:22 PM CDT	Tornado Warning	FGF	Kittson	38 min
Jul 18, 4:57 PM CDT	Tornado Warning	FGF	Kittson	33 min
Jul 18, 6:14 PM CDT	Severe Thunderstorm Warning	FGF	Roseau	61 min

Nearby

Tornado Warnings in Minnesota, 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.