Alert archive / North Dakota / Tornado Warnings in 2018

Tornado Warning 7, NWS Grand Forks, ND

June 8, 2018Cass County, Richland County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jun 8, 2018, 4:54 PM CDT for Cass County, Richland County, North Dakota. It was in force for 51 min. 6 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 8, 2018, 4:54 PM CDT (21:54 UTC)
Expired
Jun 8, 2018, 5:45 PM CDT
In force
51 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.5 in

Counties Cass County, ND, Richland County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 94 km from the middle of the area, began a volume at 21:54 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

TimeReportWhereRemark
Jun 8, 4:57 PM CDTHAIL 1.257 N Leonard, NDVERY STRONG WINDS AND WIND DRIVEN HAIL STRIPPED CORN AND BEAN FIELDS ACROSS CENTRAL MAPLE RIVER TOWNSHIP, NEAR LYNCHBURG.
Jun 8, 5:04 PM CDTTSTM WND GST 60Leonard, NDRFD WINDS NEAR LEONARD UP TO 60 MPH
Jun 8, 5:14 PM CDTHAIL 1.75Kindred, NDVIA SOCIAL MEDIA
Jun 8, 5:21 PM CDTTORNADO 06 Wnw Kindred, NDREPORT OF BRIEF TORNADO TOUCHDOWN. NO DAMAGE NOTED.
Jun 8, 5:21 PM CDTTORNADO5 Nw Kindred, NDREPORT OF TORNADO ON THE GROUND
Jun 8, 5:50 PM CDTHAIL 2Kindred, NDPICTURE WITH HAIL TWO QUARTERS WIDE SO 2 INCHES

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

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 9.9 hours before the alert went out and 218 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-pSkew-T log-p diagram, Aberdeen, SD at 12:00Z on 2018-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 12:00Z on 2018-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
778 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
-4 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

807 
WFUS53 KFGF 082154
TORFGF
NDC017-077-082245-
/O.NEW.KFGF.TO.W.0007.180608T2154Z-180608T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Eastern ND/Grand Forks ND
454 PM CDT FRI JUN 8 2018

The National Weather Service in Grand Forks has issued a

* Tornado Warning for...
  Southeastern Cass County in southeastern North Dakota...
  Northwestern Richland County in southeastern North Dakota...

* Until 545 PM CDT.

* At 454 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Chaffee, or 25 miles west of Fargo, moving
  southeast at 20 mph.

  HAZARD...Tornado and ping pong ball size hail.

  SOURCE...Weather spotters reported funnel cloud.

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

* This dangerous storm will be near...
  Leonard around 515 PM CDT.
  Davenport around 530 PM CDT.
  Barrie around 540 PM CDT.
  Kindred around 545 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Casselton Airport.

This includes Interstate 29 near mile marker 59.
 
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 4662 9728 4663 9728 4663 9729 4670 9741
      4680 9738 4687 9730 4679 9683 4647 9704
TIME...MOT...LOC 2154Z 298DEG 16KT 4673 9732 

TORNADO...RADAR INDICATED
HAIL...1.50IN

$$

BP
1 follow-up statement
795 
WWUS53 KFGF 082221
SVSFGF

Severe Weather Statement
National Weather Service Eastern ND/Grand Forks ND
521 PM CDT FRI JUN 8 2018

NDC017-077-082245-
/O.CON.KFGF.TO.W.0007.000000T0000Z-180608T2245Z/
Cass ND-Richland ND-
521 PM CDT FRI JUN 8 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR
SOUTHEASTERN CASS AND NORTH CENTRAL RICHLAND COUNTIES...
    
At 521 PM CDT, a confirmed tornado was located near Leonard, or 21
miles southwest of Fargo, moving southeast at 20 mph.

HAZARD...TORNADO and golf ball size hail.

SOURCE...Public confirmed tornado 5 miles northwest of Kindred.

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

This tornado will be near...
  Davenport around 530 PM CDT.
  Barrie around 540 PM CDT.
  Kindred around 545 PM CDT.

This includes Interstate 29 near mile marker 59.
 
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 4671 9723 4678 9719 4684 9710 4679 9683
      4652 9701 4659 9719 4664 9724
TIME...MOT...LOC 2221Z 298DEG 16KT 4667 9716 

TORNADO...OBSERVED
HAIL...1.75IN

$$

BP

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 3:09 PM CDTTornado WarningFGFBarnes, Cass36 min
Jun 8, 3:36 PM CDTTornado WarningFGFBarnes, Cass39 min
Jun 8, 4:14 PM CDTTornado Warning Tornado observedFGFCass46 min
Jun 8, 4:21 PM CDTSpecial Weather StatementFGFNelson54 min
Jun 8, 4:23 PM CDTSevere Thunderstorm WarningFGFGrand Forks, Traill52 min
Jun 8, 4:24 PM CDTTornado Warning Tornado observedFGFGrand Forks, Nelson, Walsh51 min
Jun 8, 5:13 PM CDTTornado Warning Tornado observedFGFGrand Forks47 min
Jun 8, 5:37 PM CDTTornado Warning Tornado observedFGFCass, Richland38 min
Jun 8, 6:14 PM CDTTornado WarningFGFRichland46 min

Nearby

Tornado Warnings in North Dakota, 2018Every tornado warning in 2018Tornadoes in 2018

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.