Alert archive / Minnesota / Tornado Warnings in 2020

Tornado Warning 4, NWS Grand Forks, ND

June 8, 2020Kittson County, Roseau County, Minnesota

NWS Grand Forks, ND issued this tornado warning at Jun 8, 2020, 3:40 PM CDT for Kittson County, Roseau County, Minnesota. It was in force for 50 min. 8 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, 2020, 3:40 PM CDT (20:40 UTC)
Expired
Jun 8, 2020, 4:30 PM CDT
In force
50 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.75 in

Counties Kittson County, MN, Roseau County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 150 km from the middle of the area, began a volume at 20:40 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, 3:40 PM CDTTSTM WND DMGKennedy, MNLARGE TREES BLOWN DOWN. REPORT POSTED VIA MPING.
Jun 8, 3:40 PM CDTHAIL 2Kennedy, MNHAIL FROM 1 TO 2 INCH DIAMETER NEARLY COVERED THE GROUND. VIDEO POSTED TO SOCIAL MEDIA.
Jun 8, 3:52 PM CDTFUNNEL CLOUD4 Wsw Lake Bronson, MNFUNNEL CLOUD DEVELOPED AND LASTED FOR LESS THAN A MINUTE. PHOTO AND REPORT POSTED VIA SOCIAL MEDIA.
Jun 8, 4:01 PM CDTHAIL 2Lake Bronson, MNREPORT AND PHOTO POSTED VIA SOCIAL MEDIA.
Jun 8, 4:01 PM CDTHAIL 3Lake Bronson, MNREPORT AND PHOTO POSTED VIA SOCIAL MEDIA. HAIL RANGED FROM 2 TO 3 INCH DIAMETER.
Jun 8, 4:01 PM CDTHAIL 3Lake Bronson, MNDELAYED REPORT VIA FACEBOOK. TIME ESTIMATED FROM RADAR.
Jun 8, 4:28 PM CDTTSTM WND DMGKennedy, MNREPORT FROM MPING: TREES UPROOTED OR SNAPPED; ROOF BLOWN OFF.
Jun 8, 4:30 PM CDTHAIL 1.25Caribou, MN

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.

IssuedProductOfficeLasted
Jun 8, 3:00 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 8.7 hours before the alert went out and 245 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, International Fa, MN at 12:00Z on 2020-06-08Temperature 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, International Fa, MN at 12:00Z on 2020-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 square meters per square second.19395878Sfc1 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
782 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
113 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

307 
WFUS53 KFGF 082040
TORFGF
MNC069-135-082130-
/O.NEW.KFGF.TO.W.0004.200608T2040Z-200608T2130Z/

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

The National Weather Service in Grand Forks has issued a

* Tornado Warning for...
  Central Kittson County in northwestern Minnesota...
  West central Roseau County in northwestern Minnesota...

* Until 430 PM CDT.
    
* At 340 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Kennedy, or 26 miles northeast of Grafton, moving
  northeast at 35 mph.

  HAZARD...Tornado and golf ball size hail.

  SOURCE...Radar indicated rotation.

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

* This dangerous storm will be near...
  Hallock around 350 PM CDT.
  Lake Bronson around 400 PM CDT.
  Lake Bronson State Park and Lancaster around 405 PM CDT.
  Caribou around 430 PM CDT.

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 4892 9618 4854 9683 4854 9696 4861 9713
      4900 9667 4900 9640
TIME...MOT...LOC 2040Z 222DEG 32KT 4862 9691 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

NC
2 follow-up statements
181 
WWUS53 KFGF 082102
SVSFGF

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

MNC069-135-082130-
/O.CON.KFGF.TO.W.0004.000000T0000Z-200608T2130Z/
Kittson MN-Roseau MN-
402 PM CDT Mon Jun 8 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR EASTERN
KITTSON AND WEST CENTRAL ROSEAU COUNTIES...
    
At 402 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Lake Bronson, or 40 miles northeast of Grafton,
moving northeast at 35 mph.

HAZARD...TORNADO and two inch hail.

SOURCE...Radar indicated rotation.

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

This dangerous storm will be near...
  Lake Bronson State Park around 405 PM CDT.
  Caribou around 435 PM CDT.

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 4862 9670 4870 9696 4900 9663 4900 9640
      4892 9618
TIME...MOT...LOC 2102Z 222DEG 32KT 4877 9671 

TORNADO...RADAR INDICATED
HAIL...2.00IN

$$

NC
564 
WWUS53 KFGF 082129
SVSFGF

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

MNC069-135-082137-
/O.EXP.KFGF.TO.W.0004.000000T0000Z-200608T2130Z/
Kittson MN-Roseau MN-
429 PM CDT Mon Jun 8 2020

...THE TORNADO WARNING FOR EASTERN KITTSON AND WEST CENTRAL ROSEAU
COUNTIES WILL EXPIRE AT 430 PM CDT...
    
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.  However
small hail and gusty winds are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
northwestern Minnesota.

Remember, a Severe Thunderstorm Warning still remains in effect for
Kittson and Roseau Counties until 4:45 PM.

LAT...LON 4862 9670 4870 9696 4900 9663 4900 9640
      4892 9618
TIME...MOT...LOC 2127Z 222DEG 32KT 4893 9649 

$$

NC

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 7:26 PM CDTSevere Thunderstorm WarningFGFKittson64 min
Jun 7, 7:42 PM CDTSevere Thunderstorm WarningFGFKittson, Roseau63 min
Jun 7, 7:46 PM CDTSevere Thunderstorm WarningFGFMarshall, Polk44 min
Jun 7, 8:10 PM CDTAreal Flood AdvisoryFGFKittson, Marshall6 hr
Jun 7, 8:12 PM CDTSevere Thunderstorm WarningFGFKittson, Marshall48 min
Jun 7, 8:17 PM CDTTornado WarningFGFKittson, Marshall28 min
Jun 7, 8:31 PM CDTSevere Thunderstorm WarningFGFKittson44 min
Jun 7, 8:58 PM CDTSevere Thunderstorm WarningFGFKittson47 min
Jun 7, 9:17 PM CDTSevere Thunderstorm WarningFGFMarshall, Polk43 min
Jun 7, 9:23 PM CDTSevere Thunderstorm WarningFGFClay, Norman, Pennington, Polk, Red Lake67 min
Jun 7, 9:48 PM CDTSevere Thunderstorm WarningFGFWilkin42 min
Jun 7, 10:04 PM CDTSevere Thunderstorm WarningFGFKittson, Marshall, Pennington, Polk, Roseau41 min
Jun 7, 10:14 PM CDTSevere Thunderstorm WarningFGFBecker, Beltrami, Clay, Clearwater, Mahnomen, Norman and 3 more61 min
Jun 7, 10:23 PM CDTSevere Thunderstorm WarningFGFBecker, Clay, Grant, Otter Tail, Wilkin39 min
Jun 7, 10:45 PM CDTSevere Thunderstorm WarningFGFBeltrami, Lake of the Woods, Marshall, Roseau60 min
Jun 7, 11:15 PM CDTSevere Thunderstorm WarningFGFBecker, Beltrami, Clearwater, Hubbard, Mahnomen, Pennington and 2 more45 min
Jun 7, 11:48 PM CDTSpecial Weather StatementFGFClay42 min
Jun 7, 11:55 PM CDTSevere Thunderstorm WarningFGFClay, Norman50 min
Jun 8, 12:23 AM CDTSevere Thunderstorm WarningFGFClay, Norman, Pennington, Polk, Red Lake38 min
Jun 8, 12:37 AM CDTSpecial Weather StatementFGFClay, Clearwater, Mahnomen, Norman, Red Lake38 min
Jun 8, 12:45 AM CDTSevere Thunderstorm WarningFGFMahnomen, Norman, Polk17 min
Jun 8, 1:01 AM CDTRiver Flood WarningFGFKittson8 days
Jun 8, 2:30 AM CDTAreal Flood AdvisoryFGFKittson, Marshall8 hr
Jun 8, 2:39 AM CDTSpecial Weather StatementFGFClearwater51 min
Jun 8, 9:58 AM CDTRiver Flood WarningFGFPolk4 days
Jun 8, 2:58 PM CDTSevere Thunderstorm WarningFGFKittson, Marshall62 min
Jun 8, 3:06 PM CDTSevere Thunderstorm WarningFGFKittson54 min
Jun 8, 3:54 PM CDTSpecial Weather StatementFGFKittson36 min
Jun 8, 4:25 PM CDTSevere Thunderstorm WarningFGFKittson, Roseau20 min
Jun 8, 5:12 PM CDTTornado WarningFGFPolk18 min
Jun 8, 5:28 PM CDTSevere Thunderstorm WarningFGFMarshall, Polk47 min
Jun 8, 5:50 PM CDTSevere Thunderstorm WarningFGFLake of the Woods40 min
Jun 8, 6:09 PM CDTSevere Thunderstorm WarningFGFMarshall, Polk51 min
Jun 8, 6:52 PM CDTSevere Thunderstorm WarningFGFMarshall28 min

Nearby

Tornado Warnings in Minnesota, 2020Every tornado warning in 2020Tornadoes 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.