Alert archive / North Dakota / Tornado Warnings in 2003

Tornado Warning 14, NWS Grand Forks, ND

June 27, 2003Eddy County, Griggs County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jun 27, 2003, 9:01 PM CDT for Eddy County, Griggs County, North Dakota. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 27, 2003, 9:01 PM CDT (02:01 UTC)
Expired: Jun 27, 2003, 9:45 PM CDT
In force: 44 min
Issued by: NWS Grand Forks, ND
Area: Counties, with a storm outline in the text

Counties Eddy County, ND, Griggs County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 93 km from the middle of the area, began a volume at 02:08 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, 2.0 hours before the alert went out and 192 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: 1 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 1991 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 20 m²/s²
0-3 km storm-relative helicity: 60 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

225 
WFUS53 KFGF 280201
TORFGF
NDC027-039-280245-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
901 PM CDT FRI JUN 27 2003

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...

  EASTERN EDDY COUNTY IN NORTHEAST NORTH DAKOTA AND
  NORTHWESTERN GRIGGS COUNTY IN SOUTHEAST NORTH DAKOTA.

* UNTIL 945 PM CDT.

* AT 858 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION 12 MILES NORTHWEST OF
  MOSE...OR ABOUT 30 MILES SOUTHEAST OF DEVILS LAKE...MOVEMENT WAS TO
  THE SOUTH AT 15 MPH.

* THE TORNADO WILL BE NEAR...

  MOSE AT 940 PM.

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 4783 9860 4783 9880 4744 9835 4744 9835

$$

BERG

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 27, 7:32 PM CDT	Tornado Warning	FGF	Towner	43 min
Jun 27, 7:44 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Ramsey	46 min
Jun 27, 8:09 PM CDT	Tornado Warning	FGF	Benson, Ramsey	51 min
Jun 27, 8:33 PM CDT	Severe Thunderstorm Warning	FGF	Eddy	27 min
Jun 28, 3:47 PM CDT	Severe Thunderstorm Warning	FGF	Pembina	43 min
Jun 28, 5:23 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks	37 min
Jun 28, 6:14 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks	46 min

Nearby

Tornado Warnings in North Dakota, 2003 Every tornado warning in 2003 Tornadoes in 2003

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.