Alert archive / North Dakota / Tornado Warnings in 2005

Tornado Warning 20, NWS Grand Forks, ND

June 11, 2005Traill County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jun 11, 2005, 7:15 PM CDT for Traill County, North Dakota. It was in force for 46 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 11, 2005, 7:15 PM CDT (00:15 UTC)
Expired: Jun 11, 2005, 8:01 PM CDT
In force: 46 min
Issued by: NWS Grand Forks, ND
Area: Counties, with a storm outline in the text

County Traill County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 15 km from the middle of the area, began a volume at 00:19 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, 0.3 hours before the alert went out and 274 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: 73 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 1037 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 46 m²/s²
0-3 km storm-relative helicity: 54 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 120017
TORFGF
NDC097-120100-
/O.NEW.KFGF.TO.W.0020.050612T0015Z-050612T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
715 PM CDT SAT JUN 11 2005

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  TRAILL COUNTY IN SOUTHEAST NORTH DAKOTA

* UNTIL 800 PM CDT

* AT 712 PM CDT...WEATHER SPOTTERS REPORTED A FUNNEL CLOUD 2 MILES
  NORTH OF GRANDIN...OR 28 MILES NORTH OF FARGO...MOVING TO THE
  NORTHWEST AT 5 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  KELSO AT 750 PM
  HILLSBORO AND 8 MILES EAST OF BLANCHARD AT 800 PM

IN ADDITION...THERE REMAINS A LINE OF THUNDERSTORMS EXTENDING 
THROUGH THE CENTRAL PORTION OF TRAILL COUNTY WITH A HISTORY OF 
PRODUCING TORNADOS. THESE STORMS COULD PRODUCE AN ADDITIONAL TORNADO 
AT ANY TIME.

IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES
FOR A STURDY BUILDING.

LAT...LON 4726 9743 4725 9685 4766 9691 4766 9745

$$
TG

2 follow-up statements

000 
WWUS53 KFGF 120038
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
734 PM CDT SAT JUN 11 2005

NDC097-120100-
/O.CON.KFGF.TO.W.0020.000000T0000Z-050612T0100Z/
TRAILL ND-
734 PM CDT SAT JUN 11 2005

...A TORNADO WARNING CONTINUES UNTIL 800 PM CDT FOR TRAILL COUNTY...

AT 727 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A 
THUNDERSTORM WITH STRONG ROTATION.  THE TORNADO WAS LOCATED NEAR 
KELSO...OR 31 MILES NORTH OF FARGO...MOVING TO THE NORTH AT 10 MPH.

IN ADDITION...THUNDERSTORMS CONTINUE TO DEVELOP BETWEEN THE TOWNS OF 
HILLSBORO AND CUMMINGS...WITH DOPPLER RADAR INDICATING ROTATION. 
THESE STORMS ALSO HAVE THE POTENTIAL TO PRODUCE A TORNADO. 

IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES
FOR A STURDY BUILDING.

LAT...LON 4726 9743 4725 9685 4766 9691 4766 9745

$$
TG

000 
WWUS53 KFGF 120101
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
800 PM CDT SAT JUN 11 2005

NDC097-120110-
/O.EXP.KFGF.TO.W.0020.000000T0000Z-050612T0100Z/
TRAILL ND-
800 PM CDT SAT JUN 11 2005

...THE TORNADO WARNING FOR TRAILL COUNTY EXPIRED AT 800 PM CDT...

DOPPLER RADAR INDICATED ROTATION IN THE STORMS HAS WEAKENED AND THE 
WARNING WAS ALLOWED TO EXPIRE AT 800 PM CDT.

LAT...LON 4726 9743 4725 9685 4766 9691 4766 9745

$$
TG

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 9:33 PM CDT	Flash Flood Warning	FGF	Towner	8 hr

Nearby

Tornado Warnings in North Dakota, 2005 Every tornado warning in 2005 Tornadoes in 2005

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.