Alert archive / North Dakota / Tornado Warnings in 2002

Tornado Warning 5, NWS Grand Forks, ND

June 25, 2002Steele County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jun 25, 2002, 1:45 PM CDT for Steele County, North Dakota. It was in force for 30 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jun 25, 2002, 1:45 PM CDT (18:45 UTC)
Expired: Jun 25, 2002, 2:15 PM CDT
In force: 30 min
Issued by: NWS Grand Forks, ND
Area: Counties, with a storm outline in the text

County Steele County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 47 km from the middle of the area, began a volume at 18:48 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
Jun 25, 2:00 PM CDT	Tornado F0	Luverne, ND	Several trees were blown over.
Jun 25, 2:00 PM CDT	Hail 1.75	Hope, 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 12:00Z, 6.8 hours before the alert went out and 224 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: 1621 J/kg
Mixed-layer CIN: -95 J/kg
Mixed-layer LCL: 1183 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 60 m²/s²
0-3 km storm-relative helicity: 128 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.2

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KFGF 251845
TORFAR
NDC091-251915-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
145 PM CDT TUE JUN 25 2002

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...

  SOUTHWESTERN STEELE COUNTY IN SOUTHEAST NORTH DAKOTA.

* UNTIL 215 PM CDT.

* AT 142 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION 10 MILES WEST OF HOPE...OR
  ABOUT 26 MILES NORTH OF VALLEY CITY...MOVEMENT WAS TO THE EAST AT
  15 MPH.

* THE TORNADO WILL BE NEAR...

  NEAR BLABON AT 155 AND NEAR HOPE AT 210 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 4737 9797 4725 9796 4725 9771 4736 9770


77
NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 25, 1:14 PM CDT	Severe Thunderstorm Warning	FGF	Steele	46 min
Jun 25, 1:21 PM CDT	Tornado Warning	FGF	Griggs, Steele	24 min
Jun 25, 2:07 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass	38 min
Jun 25, 2:45 PM CDT	Severe Thunderstorm Warning	FGF	Cass	45 min
Jun 25, 3:50 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks	55 min
Jun 25, 3:54 PM CDT	Severe Thunderstorm Warning	FGF	Ransom, Sargent	51 min
Jun 25, 4:08 PM CDT	Severe Thunderstorm Warning	FGF	Richland	52 min
Jun 25, 5:10 PM CDT	Severe Thunderstorm Warning	FGF	Richland	35 min
Jun 25, 5:21 PM CDT	Severe Thunderstorm Warning	FGF	Sargent	24 min

Nearby

Tornado Warnings in North Dakota, 2002 Every tornado warning in 2002 Tornadoes in 2002

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.