Alert archive / North Dakota / Tornado Warnings in 2001

Tornado Warning 64, NWS Grand Forks, ND

August 14, 2001Eddy County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Aug 14, 2001, 9:06 PM CDT for Eddy County, North Dakota. It was in force for 24 min. 2 reports 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: Aug 14, 2001, 9:06 PM CDT (02:06 UTC)
Expired: Aug 14, 2001, 9:30 PM CDT
In force: 24 min
Issued by: NWS Grand Forks, ND
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Eddy County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 120 km from the middle of the area, began a volume at 02:06 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
Aug 14, 9:29 PM CDT	Tornado F0	New Rockford, ND	A brief touchdown was reported.
Aug 14, 9:36 PM CDT	Hail 1	New Rockford, ND

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 nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 2.1 hours before the alert went out and 171 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.

673 
WFUS53 KFGF 150206
TORFAR
NDC027-150230-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS
906 PM CDT TUE AUG 14 2001

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...

  EDDY COUNTY IN NORTHEAST NORTH DAKOTA.

* UNTIL 930 PM CDT.

* AT 901 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 13 MILES NORTHWEST OF BRANTFORD...OR ABOUT 25 MILES SOUTH
  OF DEVILS LAKE...MOVEMENT WAS TO THE SOUTHEAST AT 30 MPH.

* THE TORNADO WILL BE NEAR...

  BRANTFORD AT 925 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 4787 9904 4773 9920 4745 9872 4762 9851


$$
DTR/DJK

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 14, 8:43 PM CDT	Severe Thunderstorm Warning	FGF	Benson	47 min
Aug 14, 8:51 PM CDT	Severe Thunderstorm Warning	FGF	Eddy	39 min
Aug 14, 9:12 PM CDT	Severe Thunderstorm Warning	FGF	Nelson	48 min
Aug 14, 9:28 PM CDT	Severe Thunderstorm Warning	FGF	Eddy	47 min
Aug 14, 9:28 PM CDT	Tornado Warning	FGF	Eddy	47 min
Aug 14, 9:35 PM CDT	Flash Flood Warning	FGF	Eddy	6 hr
Aug 14, 9:57 PM CDT	Severe Thunderstorm Warning	FGF	Griggs, Nelson	48 min
Aug 14, 10:22 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks	38 min
Aug 14, 11:03 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks	42 min
Aug 14, 11:17 PM CDT	Flash Flood Warning	FGF	Grand Forks	6 hr
Aug 14, 11:21 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Griggs	39 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.