Alert archive / North Dakota / Tornado Warnings in 2005

Tornado Warning 19, NWS Grand Forks, ND

June 11, 2005Cass County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jun 11, 2005, 6:58 PM CDT for Cass County, North Dakota. It was in force for 47 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, 6:58 PM CDT (23:58 UTC)
Expired: Jun 11, 2005, 7:45 PM CDT
In force: 47 min
Issued by: NWS Grand Forks, ND
Area: Counties, with a storm outline in the text

County Cass County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 44 km from the middle of the area, began a volume at 00:04 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

Aberdeen, SD (KABR), launched 12:00Z, 12.0 hours before the alert went out and 272 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: 97 J/kg
Mixed-layer CIN: -44 J/kg
Mixed-layer LCL: 861 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 35 m²/s²
0-3 km storm-relative helicity: 76 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 112358
TORFGF
NDC017-120045-
/O.NEW.KFGF.TO.W.0019.050611T2358Z-050612T0045Z/

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

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN CASS COUNTY IN SOUTHEAST NORTH DAKOTA

* UNTIL 745 PM CDT

* AT 652 PM CDT...WEATHER SPOTTERS REPORTED A FUNNEL CLOUD NEAR
  GRANDIN...OR 26 MILES NORTH OF FARGO...MOVING TO THE NORTHWEST AT 5
  MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  8 MILES NORTHEAST OF HUNTER AT 740 PM

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

LAT...LON 4710 9686 4723 9685 4724 9712 4723 9745
      4711 9742

$$
TG

2 follow-up statements

000 
WWUS53 KFGF 120020
SVSFGF

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

NDC017-120045-
/O.CON.KFGF.TO.W.0019.000000T0000Z-050612T0045Z/
CASS ND-
719 PM CDT SAT JUN 11 2005

...A TORNADO WARNING CONTINUES UNTIL 745 PM CDT FOR NORTHEASTERN CASS
COUNTY...

AT 712 PM CDT...WEATHER SPOTTERS REPORTED A FUNNEL CLOUD.  THE
TORNADO WAS LOCATED OVER GRANDIN...OR 26 MILES NORTH OF 
FARGO...MOVING TO THE NORTHWEST AT 5 MPH. DOPPLER RADAR CONTINUES TO 
INDICATE ROTATION WITH THIS STORM.

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

LAT...LON 4710 9686 4723 9685 4724 9712 4723 9745
      4711 9742

$$
TG

000 
WWUS53 KFGF 120045
SVSFGF

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

NDC017-120055-
/O.EXP.KFGF.TO.W.0019.000000T0000Z-050612T0045Z/
CASS ND-
745 PM CDT SAT JUN 11 2005

...THE TORNADO WARNING FOR NORTHEASTERN CASS COUNTY EXPIRED AT 745 PM
CDT...

DOPPLER RADAR INDICATED THE STORM WAS NO LONGER SEVERE AND THE
WARNING WAS ALLOWED TO EXPIRE AT 745 PM CDT.

LAT...LON 4710 9686 4723 9685 4724 9712 4723 9745
      4711 9742

$$
TG

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 1:05 PM CDT	Flash Flood Warning	FGF	Richland	12 hr
Jun 11, 2:19 PM CDT	Flash Flood Warning	FGF	Cass, Ransom, Sargent	11 hr
Jun 11, 6:14 PM CDT	Flash Flood Warning	FGF	Eddy	12 hr
Jun 11, 6:16 PM CDT	Flash Flood Warning	FGF	Grand Forks	12 hr
Jun 11, 6:17 PM CDT	Flash Flood Warning	FGF	Traill	12 hr
Jun 11, 6:29 PM CDT	Flash Flood Warning	FGF	Benson, Cavalier, Ramsey	12 hr
Jun 11, 6:36 PM CDT	Tornado Warning	FGF	Traill	39 min

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.