Alert archive / North Dakota / Tornado Warnings in 2020

Tornado Warning 5, NWS Grand Forks, ND

June 8, 2020Grand Forks County, Nelson County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jun 8, 2020, 4:32 PM CDT for Grand Forks County, Nelson County, North Dakota. It was in force for 25 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 8, 2020, 4:32 PM CDT (21:32 UTC)
Expired: Jun 8, 2020, 4:57 PM CDT
In force: 25 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.25 in

Counties Grand Forks County, ND, Nelson County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 44 km from the middle of the area, began a volume at 21:36 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 8, 3:00 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 9.5 hours before the alert went out and 244 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: 169 J/kg
Mixed-layer CIN: -215 J/kg
Mixed-layer LCL: 1091 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: -16 m²/s²
0-3 km storm-relative helicity: -23 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

As transmitted.

811 
WFUS53 KFGF 082132
TORFGF
NDC035-063-082215-
/O.NEW.KFGF.TO.W.0005.200608T2132Z-200608T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Grand Forks ND
432 PM CDT Mon Jun 8 2020

The National Weather Service in Grand Forks has issued a

* Tornado Warning for...
  Southwestern Grand Forks County in northeastern North Dakota...
  Southeastern Nelson County in northeastern North Dakota...

* Until 515 PM CDT.
    
* At 432 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Aneta, or 40 miles west of Grand Forks, moving
  northeast at 25 mph.

  HAZARD...Tornado and half dollar size hail.

  SOURCE...Radar indicated rotation.

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

* Locations impacted include...
  Logan Center.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4785 9777 4776 9765 4767 9781 4767 9794
      4772 9795
TIME...MOT...LOC 2132Z 226DEG 24KT 4769 9787 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

Lynch

1 follow-up statement

988 
WWUS53 KFGF 082157
SVSFGF

Severe Weather Statement
National Weather Service Grand Forks ND
457 PM CDT Mon Jun 8 2020

NDC035-063-082206-
/O.CAN.KFGF.TO.W.0005.000000T0000Z-200608T2215Z/
Grand Forks ND-Nelson ND-
457 PM CDT Mon Jun 8 2020

...THE TORNADO WARNING FOR SOUTHWESTERN GRAND FORKS AND SOUTHEASTERN
NELSON COUNTIES IS CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled. However gusty winds are 
still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
northeastern North Dakota. A Severe Thunderstorm Watch also remains
in effect until 1100 PM CDT for southeastern North Dakota.

LAT...LON 4785 9777 4776 9765 4767 9781 4767 9794
      4772 9795
TIME...MOT...LOC 2154Z 226DEG 24KT 4780 9769 

$$

Lynch

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 7, 7:19 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Eddy, Ramsey	30 min
Jun 7, 7:25 PM CDT	Severe Thunderstorm Warning	FGF	Eddy	35 min
Jun 7, 7:26 PM CDT	Severe Thunderstorm Warning	FGF	Pembina	64 min
Jun 7, 7:41 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Griggs, Steele	64 min
Jun 7, 7:53 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Eddy	52 min
Jun 7, 8:00 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Eddy, Ramsey	45 min
Jun 7, 8:06 PM CDT	Special Weather Statement	FGF	Ramsey	39 min
Jun 7, 8:10 PM CDT	Areal Flood Advisory	FGF	Pembina	6 hr
Jun 7, 8:12 PM CDT	Severe Thunderstorm Warning	FGF	Pembina, Walsh	48 min
Jun 7, 8:14 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Eddy, Nelson, Ramsey	46 min
Jun 7, 8:23 PM CDT	Special Weather Statement	FGF	Pembina	67 min
Jun 7, 8:30 PM CDT	Severe Thunderstorm Warning	FGF	Nelson, Ramsey, Walsh	45 min
Jun 7, 8:31 PM CDT	Severe Thunderstorm Warning	FGF	Pembina, Walsh	44 min
Jun 7, 8:38 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Griggs, Nelson, Steele	67 min
Jun 7, 8:39 PM CDT	Severe Thunderstorm Warning	FGF	Pembina	51 min
Jun 7, 8:49 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Grand Forks, Steele, Traill	56 min
Jun 7, 8:52 PM CDT	Tornado Warning	FGF	Nelson, Ramsey, Walsh	38 min
Jun 7, 8:57 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Ransom, Traill	48 min
Jun 7, 8:58 PM CDT	Severe Thunderstorm Warning	FGF	Pembina	47 min
Jun 7, 9:11 PM CDT	Severe Thunderstorm Warning	FGF	Cass, Ransom, Richland, Sargent	64 min
Jun 7, 9:17 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Pembina, Traill, Walsh	43 min
Jun 7, 9:23 PM CDT	Severe Thunderstorm Warning	FGF	Cass, Grand Forks, Traill	67 min
Jun 7, 9:48 PM CDT	Severe Thunderstorm Warning	FGF	Ransom, Richland, Sargent	42 min
Jun 7, 10:04 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks	41 min
Jun 7, 10:23 PM CDT	Severe Thunderstorm Warning	FGF	Richland	39 min
Jun 7, 11:06 PM CDT	Special Weather Statement	FGF	Cass	39 min
Jun 7, 11:10 PM CDT	Special Weather Statement	FGF	Ransom	50 min
Jun 7, 11:21 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Ransom, Sargent	39 min
Jun 7, 11:48 PM CDT	Special Weather Statement	FGF	Barnes, Cass, Traill	42 min
Jun 7, 11:55 PM CDT	Severe Thunderstorm Warning	FGF	Cass, Richland, Traill	50 min
Jun 8, 12:26 AM CDT	Special Weather Statement	FGF	Ransom	49 min
Jun 8, 1:08 AM CDT	Special Weather Statement	FGF	Barnes, Cass	52 min
Jun 8, 2:30 AM CDT	Areal Flood Advisory	FGF	Pembina	8 hr
Jun 8, 2:55 PM CDT	Special Weather Statement	FGF	Pembina, Walsh	35 min
Jun 8, 2:58 PM CDT	Severe Thunderstorm Warning	FGF	Pembina, Walsh	62 min
Jun 8, 3:06 PM CDT	Severe Thunderstorm Warning	FGF	Pembina, Walsh	54 min
Jun 8, 4:25 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Nelson, Steele	65 min
Jun 8, 4:52 PM CDT	Special Weather Statement	FGF	Steele	38 min
Jun 8, 4:52 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Steele	53 min
Jun 8, 5:02 PM CDT	Tornado Warning	FGF	Grand Forks	28 min
Jun 8, 5:12 PM CDT	Tornado Warning	FGF	Grand Forks	18 min
Jun 8, 5:28 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Walsh	47 min
Jun 8, 5:42 PM CDT	Areal Flood Advisory	FGF	Steele	6 hr

Nearby

Tornado Warnings in North Dakota, 2020 Every tornado warning in 2020 Tornadoes in 2020

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.