Alert archive / North Dakota / Tornado Warnings in 2011

Tornado Warning 19, NWS Grand Forks, ND

June 17, 2011Barnes County, Ransom County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jun 17, 2011, 6:14 PM CDT for Barnes County, Ransom 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: Jun 17, 2011, 6:14 PM CDT (23:14 UTC)
Expired: Jun 17, 2011, 6:48 PM CDT
In force: 34 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon

Counties Barnes County, ND, Ransom County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 115 km from the middle of the area, began a volume at 23:14 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 17, 5:34 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 11.2 hours before the alert went out and 190 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: 35 J/kg
Mixed-layer CIN: -177 J/kg
Mixed-layer LCL: 665 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 87 m²/s²
0-3 km storm-relative helicity: 106 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.

412 
WFUS53 KFGF 172314
TORFGF
NDC003-073-180000-
/O.NEW.KFGF.TO.W.0019.110617T2314Z-110618T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
614 PM CDT FRI JUN 17 2011

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN BARNES COUNTY IN SOUTHEAST NORTH DAKOTA...
  WESTERN RANSOM COUNTY IN SOUTHEAST NORTH DAKOTA...

* UNTIL 700 PM CDT

* AT 609 PM CDT...WEATHER SPOTTERS REPORTED A FUNNEL CLOUD
7 MILES WEST OF   FORT RANSOM...OR 28 MILES SOUTH OF VALLEY CITY. 
THE STORM WAS MOVING TO THE NORTHEAST AT 15 MPH.

* THE TORNADIC STORM WILL BE NEAR...
  FORT RANSOM AROUND 620 PM CDT.
  LITTLE YELLOWSTONE STATE AND HASTINGS AROUND 640 PM CDT.
  KATHRYN AROUND 650 PM CDT.
  ENDERLIN AND NOME AROUND 700 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4633 9782 4643 9805 4662 9804 4663 9815
      4682 9801 4667 9768 4663 9767 4662 9759
TIME...MOT...LOC 2314Z 215DEG 15KT 4654 9805

$$
SPEICHER

1 follow-up statement

072 
WWUS53 KFGF 172348
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
648 PM CDT FRI JUN 17 2011

NDC003-073-172357-
/O.CAN.KFGF.TO.W.0019.000000T0000Z-110618T0000Z/
BARNES ND-RANSOM ND-
648 PM CDT FRI JUN 17 2011

...THE TORNADO WARNING FOR WESTERN RANSOM AND SOUTHEASTERN BARNES
COUNTIES IN SOUTHEAST NORTH DAKOTA IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO 
WATCH REMAINS IN EFFECT UNTIL 1 AM CDT.

LAT...LON 4633 9782 4643 9805 4662 9804 4663 9815
      4682 9801 4667 9768 4663 9767 4662 9759
TIME...MOT...LOC 2347Z 215DEG 15KT 4665 9794

$$
SPEICHER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 5:49 PM CDT	Tornado Warning	FGF	Sargent	41 min
Jun 17, 5:55 PM CDT	Tornado Warning	FGF	Ransom, Sargent	50 min
Jun 17, 6:27 PM CDT	Tornado Warning	FGF	Sargent	33 min

Nearby

Tornado Warnings in North Dakota, 2011 Every tornado warning in 2011 Tornadoes in 2011

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.