Alert archive / North Dakota / Tornado Warnings in 2000

Tornado Warning 1, NWS Grand Forks, ND

June 11, 2000Benson County, Towner County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jun 11, 2000, 8:08 PM CDT for Benson County, Towner County, North Dakota. It was in force for 32 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: Jun 11, 2000, 8:08 PM CDT (01:08 UTC)
Expired: Jun 11, 2000, 8:40 PM CDT
In force: 32 min
Issued by: NWS Grand Forks, ND
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Benson County, ND, Towner 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
Jun 11, 6:00 PM CDT	Tornado Watch	SPC	4 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 1.1 hours before the alert went out and 204 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: 919 J/kg
Mixed-layer CIN: -51 J/kg
Mixed-layer LCL: 1920 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 155 m²/s²
0-3 km storm-relative helicity: 289 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 11.6

Open this sounding in Storm Lab

The text

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

072 
WFUS53 KFGF 120109
TORFAR
NDC005-095-120140-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS
808 PM CDT SUN JUN 11 2000

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN TOWNER COUNTY IN NORTHEAST NORTH DAKOTA
  NORTH CENTRAL BENSON COUNTY IN NORTHEAST NORTH DAKOTA

* UNTIL 840 PM CDT

* AT 804 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 5 MILES NORTH OF LEEDS...OR ABOUT 33 MILES NORTHWEST OF
  DEVILS LAKE...MOVING NORTHEAST AT 20 MPH.

* THE TORNADO WILL BE NEAR...
  MAZA AT 835 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.

LAT...LON 4840 9964 4825 9949 4838 9914 4856 9931

$$
HOPPES
NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 12, 3:46 PM CDT	Severe Thunderstorm Warning	FGF	Walsh	29 min
Jun 12, 4:06 PM CDT	Severe Thunderstorm Warning	FGF	Pembina	29 min
Jun 12, 4:13 PM CDT	Severe Thunderstorm Warning	FGF	Walsh	32 min
Jun 12, 4:31 PM CDT	Severe Thunderstorm Warning	FGF	Griggs, Nelson	29 min
Jun 12, 4:44 PM CDT	Severe Thunderstorm Warning	FGF	Pembina, Walsh	31 min
Jun 12, 4:53 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Nelson	32 min
Jun 12, 5:12 PM CDT	Tornado Warning	FGF	Walsh	33 min
Jun 12, 5:24 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Nelson	31 min
Jun 12, 5:43 PM CDT	Severe Thunderstorm Warning	FGF	Walsh	32 min
Jun 12, 5:52 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Nelson	33 min
Jun 12, 6:24 PM CDT	Tornado Warning	FGF	Grand Forks	31 min
Jun 12, 6:25 PM CDT	Severe Thunderstorm Warning	FGF	Nelson	30 min
Jun 12, 6:52 PM CDT	Tornado Warning	FGF	Grand Forks	33 min
Jun 12, 6:54 PM CDT	Severe Thunderstorm Warning	FGF	Griggs, Nelson	31 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.