Alert archive / North Dakota / Tornado Warnings in 2003

Tornado Warning 19, NWS Grand Forks, ND

July 14, 2003Cavalier County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jul 14, 2003, 4:26 PM CDT for Cavalier County, North Dakota. It was in force for 34 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: Jul 14, 2003, 4:26 PM CDT (21:26 UTC)
Expired: Jul 14, 2003, 5:00 PM CDT
In force: 34 min
Issued by: NWS Grand Forks, ND
Area: Counties, with a storm outline in the text

County Cavalier County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 156 km from the middle of the area, began a volume at 21:25 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 12:00Z, 9.4 hours before the alert went out and 298 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1637 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: -252 m²/s²
0-3 km storm-relative helicity: 351 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

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

487 
WFUS53 KFGF 142126
TORFGF
NDC019-142200-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
425 PM CDT MON JUL 14 2003

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...

  EAST CENTRAL CAVALIER COUNTY IN NORTHEAST NORTH DAKOTA.

* UNTIL 500 PM CDT.

A TORNADO WAS REPORTED 10 MILES EAST OF LANGDON ON THE NORTH SIDE OF 
HIGHWAY 5 AT 423 PM. THIS STORM HAS A WALL CLOUD CURRENTLY ASSOCIATED 
WITH IT.

* AT 420 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION 6 MILES WEST OF OLGA...OR
  ABOUT 11 MILES NORTHEAST OF LANGDON...MOVEMENT WAS TO THE SOUTHEAST
  AT 30 MPH.

* THE TORNADO WILL BE NEAR...

  OLGA AT 430 PM AND
  MILTON AT 440 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 4893 9818 4879 9830 4858 9806 4887 9795

$$
30/8

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 13, 7:41 PM CDT	Severe Thunderstorm Warning	FGF	Eddy	49 min
Jul 13, 8:32 PM CDT	Severe Thunderstorm Warning	FGF	Eddy	43 min
Jul 13, 8:46 PM CDT	Severe Thunderstorm Warning	FGF	Griggs, Nelson	44 min
Jul 13, 9:12 PM CDT	Severe Thunderstorm Warning	FGF	Steele	63 min
Jul 13, 9:39 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks	36 min
Jul 13, 9:52 PM CDT	Severe Thunderstorm Warning	FGF	Traill	53 min
Jul 14, 5:35 AM CDT	Severe Thunderstorm Warning	FGF	Walsh	55 min
Jul 14, 5:51 AM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Nelson	39 min
Jul 14, 5:58 AM CDT	Severe Thunderstorm Warning	FGF	Steele, Traill	62 min
Jul 14, 2:14 PM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Towner	46 min
Jul 14, 2:54 PM CDT	Tornado Warning	FGF	Pembina	66 min
Jul 14, 4:00 PM CDT	Severe Thunderstorm Warning	FGF	Pembina	45 min
Jul 14, 4:16 PM CDT	Severe Thunderstorm Warning	FGF	Ramsey	44 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.