Alert archive / Minnesota / Tornado Warnings in 2000

Tornado Warning 13, NWS Grand Forks, ND

July 8, 2000Otter Tail County, Minnesota

NWS Grand Forks, ND issued this tornado warning at Jul 8, 2000, 9:12 PM CDT for Otter Tail County, Minnesota. It was in force for 18 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 8, 2000, 9:12 PM CDT (02:12 UTC)
Expired: Jul 8, 2000, 9:30 PM CDT
In force: 18 min
Issued by: NWS Grand Forks, ND
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Otter Tail County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 202 km from the middle of the area, began a volume at 02:13 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 8, 4:00 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 2.2 hours before the alert went out and 214 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: 3971 J/kg
Mixed-layer CIN: -17 J/kg
Mixed-layer LCL: 1312 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 126 m²/s²
0-3 km storm-relative helicity: 167 m²/s²
Significant tornado parameter: 1.5
Supercell composite: 17.7

Open this sounding in Storm Lab

The text

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

986 
WFUS53 KFGF 090212
TORFAR
MNC111-090230-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS
912 PM CDT SAT JUL 8 2000

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL OTTER TAIL COUNTY IN WEST CENTRAL MINNESOTA

* UNTIL 930 PM CDT

* AT 912 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 6 MILES SOUTH OF BLUFFTON...OR ABOUT 41 MILES EAST OF
  FERGUS FALLS...MOVEMENT WAS TO THE SOUTHEAST AT 20 MPH.

* THE TORNADO WILL REMAIN IN RURAL AREAS OF
  EXTREME EAST CENTRAL OTTER TAIL COUNTY EAST OF DEER CREEK
 

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 SATURDAY EVENING
FOR WEST CENTRAL MINNESOTA.

LAT...LON 4649 9526 4633 9536 4625 9514 4644 9515

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 8, 8:10 PM CDT	Severe Thunderstorm Warning	FGF	Otter Tail	30 min
Jul 8, 8:41 PM CDT	Tornado Warning	FGF	Otter Tail	29 min
Jul 8, 8:44 PM CDT	Severe Thunderstorm Warning	FGF	Wadena	31 min
Jul 8, 9:16 PM CDT	Tornado Warning	FGF	Wadena	29 min
Jul 8, 9:49 PM CDT	Flash Flood Warning	FGF	Otter Tail, Wadena	4 hr
Jul 8, 10:25 PM CDT	Severe Thunderstorm Warning	FGF	Otter Tail	30 min
Jul 8, 10:53 PM CDT	Severe Thunderstorm Warning	FGF	Otter Tail	47 min

Nearby

Tornado Warnings in Minnesota, 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; radar from the NEXRAD Level II archive.