Alert archive / North Dakota / Tornado Warnings in 2017

Tornado Warning 20, NWS Grand Forks, ND

June 13, 2017Barnes County, Cass County, Ransom County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jun 13, 2017, 8:14 PM CDT for Barnes County, Cass County, Ransom County, North Dakota. It was in force for 31 min. 1 report 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 13, 2017, 8:14 PM CDT (01:14 UTC)
Expired: Jun 13, 2017, 8:45 PM CDT
In force: 31 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Barnes County, ND, Cass County, ND, Ransom County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 105 km from the middle of the area, began a volume at 01:16 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.

What was reported inside it

Time	Report	Where	Remark
Jun 13, 8:30 PM CDT	HAIL 1	1 N Enderlin, ND

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

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 13, 5:56 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 1.2 hours before the alert went out and 199 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: 118 J/kg
Mixed-layer CIN: -325 J/kg
Mixed-layer LCL: 1575 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 279 m²/s²
0-3 km storm-relative helicity: 479 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 10.8

Open this sounding in Storm Lab

The text

As transmitted.

698 
WFUS53 KFGF 140114
TORFGF
NDC003-017-073-140145-
/O.NEW.KFGF.TO.W.0020.170614T0114Z-170614T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Eastern ND/Grand Forks ND
814 PM CDT TUE JUN 13 2017

The National Weather Service in Grand Forks has issued a

* Tornado Warning for...
  North central Ransom County in southeastern North Dakota...
  Southwestern Cass County in southeastern North Dakota...
  Southeastern Barnes County in southeastern North Dakota...

* Until 845 PM CDT.

* At 814 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 7 miles north of Lisbon, or 29 miles southeast of
  Valley City, moving northeast at 45 mph.

  HAZARD...Tornado and quarter size hail. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Expect damage to mobile homes, roofs, and vehicles. 

* This dangerous storm will be near...
  Enderlin around 825 PM CDT. 
  Alice around 835 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Grand Forks.

&&

LAT...LON 4648 9772 4652 9785 4686 9771 4672 9735
TIME...MOT...LOC 0114Z 228DEG 39KT 4654 9772 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Lee

1 follow-up statement

630 
WWUS53 KFGF 140131
SVSFGF

Severe Weather Statement
National Weather Service Eastern ND/Grand Forks ND
831 PM CDT TUE JUN 13 2017

NDC003-017-073-140145-
/O.CON.KFGF.TO.W.0020.000000T0000Z-170614T0145Z/
Ransom ND-Cass ND-Barnes ND-
831 PM CDT TUE JUN 13 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR NORTH
CENTRAL RANSOM...SOUTHWESTERN CASS AND SOUTHEASTERN BARNES
COUNTIES...
    
At 831 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Lucca, or 23 miles southeast of Valley City, moving
northeast at 55 mph.

HAZARD...TORNADO and quarter size hail. 

SOURCE...Radar indicated rotation. 

IMPACT...Expect damage to mobile homes, roofs, and vehicles. 

This dangerous storm will be near...
  Alice around 840 PM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 4657 9759 4665 9779 4686 9771 4672 9735
TIME...MOT...LOC 0131Z 213DEG 48KT 4669 9762 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Lee

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 13, 7:11 PM CDT	Severe Thunderstorm Warning	FGF	Cass, Richland	49 min
Jun 13, 7:27 PM CDT	Severe Thunderstorm Warning	FGF	Ransom, Sargent	48 min
Jun 13, 8:11 PM CDT	Severe Thunderstorm Warning	FGF	Cass, Ransom, Richland, Sargent	49 min
Jun 13, 8:44 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Richland, Traill	46 min
Jun 13, 8:54 PM CDT	Severe Thunderstorm Warning	FGF	Cass, Richland	66 min
Jun 13, 9:24 PM CDT	Severe Thunderstorm Warning	FGF	Cass, Grand Forks, Steele, Traill	41 min
Jun 13, 9:32 PM CDT	Areal Flood Advisory	FGF	Cass	2 hr

Nearby

Tornado Warnings in North Dakota, 2017 Every tornado warning in 2017 Tornadoes in 2017

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; radar from the NEXRAD Level II archive.