Alert archive / Minnesota / Tornado Warnings in 2020

Tornado Warning 2, NWS Grand Forks, ND

June 7, 2020Kittson County, Marshall County, Minnesota

NWS Grand Forks, ND issued this tornado warning at Jun 7, 2020, 8:17 PM CDT for Kittson County, Marshall County, Minnesota. It was in force for 28 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 7, 2020, 8:17 PM CDT (01:17 UTC)
Expired: Jun 7, 2020, 8:45 PM CDT
In force: 28 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.5 in

Counties Kittson County, MN, Marshall County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 112 km from the middle of the area, began a volume at 01:19 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 7, 8:22 PM CDT	HAIL 1.25	6 W Stephen, MN	HAIL UP TO HALF DOLLAR SIZED ON ROADWAY AFTER STORM PASSAGE.

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 7, 3:06 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

International Fa, MN (KINL), launched 00:00Z, 1.3 hours before the alert went out and 265 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 757 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 409 m²/s²
0-3 km storm-relative helicity: 412 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

311 
WFUS53 KFGF 080117
TORFGF
MNC069-089-080145-
/O.NEW.KFGF.TO.W.0002.200608T0117Z-200608T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Grand Forks ND
817 PM CDT Sun Jun 7 2020

The National Weather Service in Grand Forks has issued a

* Tornado Warning for...
  Northwestern Marshall County in northwestern Minnesota...
  South central Kittson County in northwestern Minnesota...

* Until 845 PM CDT.
    
* At 817 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Stephen, or 19 miles east of Grafton, moving
  northeast at 60 mph.

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

  SOURCE...Radar indicated rotation.

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

* Locations impacted include...
  Stephen, Lake Bronson, Kennedy, Donaldson and southwestern Lake
  Bronson State Park.

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 4831 9695 4834 9710 4879 9688 4873 9661
TIME...MOT...LOC 0117Z 203DEG 53KT 4842 9699 

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

$$

Lynch

1 follow-up statement

628 
WWUS53 KFGF 080135
SVSFGF

Severe Weather Statement
National Weather Service Grand Forks ND
835 PM CDT Sun Jun 7 2020

MNC069-089-080145-
/O.CON.KFGF.TO.W.0002.000000T0000Z-200608T0145Z/
Marshall MN-Kittson MN-
835 PM CDT Sun Jun 7 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR
NORTHWESTERN MARSHALL AND SOUTH CENTRAL KITTSON COUNTIES...
    
At 835 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Kennedy, or 27 miles northeast of Grafton, moving
north at 75 mph.

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

SOURCE...Radar indicated rotation.

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

Locations impacted include...
Lake Bronson, Kennedy, Donaldson and southwestern Lake Bronson State
Park.

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 4848 9681 4847 9704 4879 9688 4873 9661
TIME...MOT...LOC 0135Z 201DEG 64KT 4861 9688 

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

$$

Lynch

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 7, 7:26 PM CDT	Severe Thunderstorm Warning	FGF	Kittson	64 min
Jun 7, 7:42 PM CDT	Severe Thunderstorm Warning	FGF	Kittson, Roseau	63 min
Jun 7, 7:46 PM CDT	Severe Thunderstorm Warning	FGF	Marshall, Polk	44 min
Jun 7, 8:10 PM CDT	Areal Flood Advisory	FGF	Kittson, Marshall	6 hr
Jun 7, 8:12 PM CDT	Severe Thunderstorm Warning	FGF	Kittson, Marshall	48 min
Jun 7, 8:31 PM CDT	Severe Thunderstorm Warning	FGF	Kittson	44 min
Jun 7, 8:58 PM CDT	Severe Thunderstorm Warning	FGF	Kittson	47 min
Jun 7, 9:17 PM CDT	Severe Thunderstorm Warning	FGF	Marshall, Polk	43 min
Jun 7, 9:23 PM CDT	Severe Thunderstorm Warning	FGF	Clay, Norman, Pennington, Polk, Red Lake	67 min
Jun 7, 9:48 PM CDT	Severe Thunderstorm Warning	FGF	Wilkin	42 min
Jun 7, 10:04 PM CDT	Severe Thunderstorm Warning	FGF	Kittson, Marshall, Pennington, Polk, Roseau	41 min
Jun 7, 10:14 PM CDT	Severe Thunderstorm Warning	FGF	Becker, Beltrami, Clay, Clearwater, Mahnomen, Norman and 3 more	61 min
Jun 7, 10:23 PM CDT	Severe Thunderstorm Warning	FGF	Becker, Clay, Grant, Otter Tail, Wilkin	39 min
Jun 7, 10:45 PM CDT	Severe Thunderstorm Warning	FGF	Beltrami, Lake of the Woods, Marshall, Roseau	60 min
Jun 7, 11:15 PM CDT	Severe Thunderstorm Warning	FGF	Becker, Beltrami, Clearwater, Hubbard, Mahnomen, Pennington and 2 more	45 min
Jun 7, 11:48 PM CDT	Special Weather Statement	FGF	Clay	42 min
Jun 7, 11:55 PM CDT	Severe Thunderstorm Warning	FGF	Clay, Norman	50 min
Jun 8, 12:23 AM CDT	Severe Thunderstorm Warning	FGF	Clay, Norman, Pennington, Polk, Red Lake	38 min
Jun 8, 12:37 AM CDT	Special Weather Statement	FGF	Clay, Clearwater, Mahnomen, Norman, Red Lake	38 min
Jun 8, 12:45 AM CDT	Severe Thunderstorm Warning	FGF	Mahnomen, Norman, Polk	17 min
Jun 8, 1:01 AM CDT	River Flood Warning	FGF	Kittson	8 days
Jun 8, 2:30 AM CDT	Areal Flood Advisory	FGF	Kittson, Marshall	8 hr
Jun 8, 2:39 AM CDT	Special Weather Statement	FGF	Clearwater	51 min
Jun 8, 9:58 AM CDT	River Flood Warning	FGF	Polk	4 days
Jun 8, 2:58 PM CDT	Severe Thunderstorm Warning	FGF	Kittson, Marshall	62 min
Jun 8, 3:06 PM CDT	Severe Thunderstorm Warning	FGF	Kittson	54 min
Jun 8, 3:40 PM CDT	Tornado Warning	FGF	Kittson, Roseau	50 min
Jun 8, 3:54 PM CDT	Special Weather Statement	FGF	Kittson	36 min
Jun 8, 4:25 PM CDT	Severe Thunderstorm Warning	FGF	Kittson, Roseau	20 min
Jun 8, 5:12 PM CDT	Tornado Warning	FGF	Polk	18 min
Jun 8, 5:28 PM CDT	Severe Thunderstorm Warning	FGF	Marshall, Polk	47 min
Jun 8, 5:50 PM CDT	Severe Thunderstorm Warning	FGF	Lake of the Woods	40 min
Jun 8, 6:09 PM CDT	Severe Thunderstorm Warning	FGF	Marshall, Polk	51 min
Jun 8, 6:52 PM CDT	Severe Thunderstorm Warning	FGF	Marshall	28 min

Nearby

Tornado Warnings in Minnesota, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.