Alert archive / North Dakota / Tornado Warnings in 2003

Tornado Warning 1, NWS Grand Forks, ND

June 6, 2003Cavalier County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jun 6, 2003, 2:19 PM CDT for Cavalier County, North Dakota. It was in force for 41 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 6, 2003, 2:19 PM CDT (19:19 UTC)
Expired
Jun 6, 2003, 3:00 PM CDT
In force
41 min
Issued by
NWS Grand Forks, ND
Area
Counties, with a storm outline in the text

County Cavalier County, ND

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 7.3 hours before the alert went out and 273 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-pSkew-T log-p diagram, Bismarck Municip, ND at 12:00Z on 2003-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Bismarck Municip, ND at 12:00Z on 2003-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -53 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
1137 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-53 m²/s²
0-3 km storm-relative helicity
9 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.

000 
WFUS53 KFGF 061919
TORFGF
NDC019-062000-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
218 PM CDT FRI JUN 6 2003

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...

  NORTHWESTERN CAVALIER COUNTY IN NORTHEAST NORTH DAKOTA.

* UNTIL 300 PM CDT.

* AT 216 PM...SPOTTERS REPORTED A TORNADO 7 MILES WEST OF 
WALES...OR  ABOUT 19 MILES NORTHWEST OF LANGDON...MOVEMENT WAS TO 
THE NORTHWEST AT 10 MPH.

* THE TORNADO WILL BE NEAR

  4 MILES NORTHWEST OF LANGDON.

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 4875 9873 4890 9857 4898 9873 4883 9894

$$

DK/8

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 12:05 PM CDTSevere Thunderstorm WarningFGFCavalier40 min
Jun 6, 1:12 PM CDTSevere Thunderstorm WarningFGFGrand Forks, Traill48 min
Jun 6, 4:47 PM CDTSevere Thunderstorm WarningFGFCass43 min
Jun 6, 5:14 PM CDTFlash Flood WarningFGFCass4 hr

Nearby

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