Alert archive / North Dakota / Tornado Warnings in 2006

Tornado Warning 22, NWS Grand Forks, ND

June 23, 2006Towner County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jun 23, 2006, 1:58 PM CDT for Towner County, North Dakota. It was in force for 62 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 23, 2006, 1:58 PM CDT (18:58 UTC)
Expired: Jun 23, 2006, 3:00 PM CDT
In force: 62 min
Issued by: NWS Grand Forks, ND
Area: Counties, with a storm outline in the text

County Towner County, ND

What was reported inside it

Time	Report	Where	Remark
Jun 23, 2:10 PM CDT	TORNADO	12 Wnw Rocklake, ND
Jun 23, 2:14 PM CDT	TORNADO 0	4 W Rocklake, ND	A LONG AND SLENDER TORNADO TOUCHED DOWN BRIEFLY IN AN OPEN FIELD AND TRAVELLED ABOUT ONE HALF MILE EASTWARD BEFORE LIFTING AROUND 216 PM.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 7.0 hours before the alert went out and 251 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: -165 J/kg
Mixed-layer LCL: 1603 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 74 m²/s²
0-3 km storm-relative helicity: 108 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KFGF 231858
TORFGF
NDC095-232000-
/O.NEW.KFGF.TO.W.0022.060623T1858Z-060623T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
158 PM CDT FRI JUN 23 2006

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN TOWNER COUNTY IN NORTHEAST NORTH DAKOTA

* UNTIL 300 PM CDT

* AT 156 PM CDT...WEATHER SPOTTERS REPORTED A TORNADO 1 MILE SOUTH 
OF ROLLA...MOVING TO THE EAST AT 20 MPH.

* THE TORNADO WILL BE NEAR...
  AMOURDALE AT 215 PM CDT
  ROCKLAKE AT 230 PM CDT

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

LAT...LON 4890 9952 4871 9948 4869 9900 4894 9901

$$

TG/JA

2 follow-up statements

000 
WWUS53 KFGF 231920
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
218 PM CDT FRI JUN 23 2006

NDC095-232000-
/O.CON.KFGF.TO.W.0022.000000T0000Z-060623T2000Z/
TOWNER ND-
218 PM CDT FRI JUN 23 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM CDT FOR NORTHERN
TOWNER COUNTY...

AT 214 PM CDT...WEATHER SPOTTERS REPORTED A FUNNEL CLOUD.  THE FUNNEL WAS
LOCATED 4 MILES WEST OF ROCKLAKE...OR 44 MILES WEST OF 
LANGDON...MOVING TO THE EAST AT 20 MPH. SEVERAL ADDITIONAL WEAK 
ROTATIONS ARE POSSIBLE ACROSS THE REMAINDER OF TOWNER COUNTY AS MORE 
STORMS MOVE IN FROM THE WEST.

THE TORNADO WILL BE NEAR...
  ROCKLAKE BY 225 PM CDT

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

LAT...LON 4890 9952 4871 9948 4869 9900 4894 9901

$$

TG/JA

000 
WWUS53 KFGF 231950
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
251 PM CDT FRI JUN 23 2006

NDC095-232001-
/O.EXP.KFGF.TO.W.0022.000000T0000Z-060623T2000Z/
TOWNER ND-
251 PM CDT FRI JUN 23 2006

...THE TORNADO WARNING FOR NORTHERN TOWNER COUNTY WILL EXPIRE AT 300
PM CDT...

DOPPLER RADAR INDICATED THE STORM WAS NO LONGER SEVERE AND SO THE
WARNING WILL BE ALLOWED TO EXPIRE AT 300 PM CDT. 

LAT...LON 4890 9952 4871 9948 4869 9900 4894 9901

$$

TG/JA

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 23, 1:46 PM CDT	Tornado Warning	FGF	Barnes	59 min
Jun 23, 2:15 PM CDT	Severe Thunderstorm Warning	FGF	Barnes	60 min
Jun 23, 2:22 PM CDT	Severe Thunderstorm Warning	FGF	Ransom	53 min
Jun 23, 3:14 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass	61 min

Nearby

Tornado Warnings in North Dakota, 2006 Every tornado warning in 2006 Tornadoes in 2006

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.