Alert archive / Minnesota / Tornado Warnings in 2023

Tornado Warning 4, NWS Grand Forks, ND

June 24, 2023Traill County, North Dakota; Norman County, Polk County, Minnesota

NWS Grand Forks, ND issued this tornado warning at Jun 24, 2023, 3:45 PM CDT for Traill County, North Dakota; Norman County, Polk County, Minnesota. It was in force for 45 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 24, 2023, 3:45 PM CDT (20:45 UTC)
Expired
Jun 24, 2023, 4:30 PM CDT
In force
45 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Norman County, MN, Polk County, MN, Traill County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 51 km from the middle of the area, began a volume at 20:45 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 24, 4:10 PM CDTFUNNEL CLOUD5 Sse Nielsville, MNNorman County Sheriff called about funnel cloud trying to drop heading into Polk COunty.
Jun 24, 4:10 PM CDTFUNNEL CLOUD5 Sse Nielsville, MNNorman County Sheriff called about funnel cloud trying to drop heading into Polk COunty.
Jun 24, 4:15 PM CDTTORNADO3 E Shelly, MNNorman EM reported Touchdown near Shelly heading N-NW.
Jun 24, 4:15 PM CDTTORNADO3 E Shelly, MNNorman EM reported Touchdown near Shelly heading N-NW.
Jun 24, 4:25 PM CDTTORNADO4 Nw Lockhart, MNTornado confirmed near lockhart and went through tree grove Norman EM was going to survey for damage.
Jun 24, 4:25 PM CDTTORNADO4 Nw Lockhart, MNTornado confirmed near lockhart and went through tree grove Norman EM was going to survey for damage.

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 24, 3:42 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 8.8 hours before the alert went out and 281 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 2023-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 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 2023-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -136 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
1165 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
-136 m²/s²
0-3 km storm-relative helicity
159 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

344 
WFUS53 KFGF 242045
TORFGF
MNC107-119-NDC097-242130-
/O.NEW.KFGF.TO.W.0004.230624T2045Z-230624T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Grand Forks ND
345 PM CDT Sat Jun 24 2023

The National Weather Service in Grand Forks has issued a

* Tornado Warning for...
  Northwestern Norman County in northwestern Minnesota...
  Southwestern Polk County in northwestern Minnesota...
  East central Traill County in southeastern North Dakota...

* Until 430 PM CDT.
    
* At 345 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Halstad, or 34 miles north of Fargo, moving north
  at 25 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Halstad, Shelly, Nielsville, Lockhart, Caledonia and Hadler. 

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 4733 9654 4727 9679 4755 9700 4762 9663
      4743 9652
TIME...MOT...LOC 2045Z 160DEG 20KT 4737 9671 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Lynch
2 follow-up statements
914 
WWUS53 KFGF 242101
SVSFGF

Severe Weather Statement
National Weather Service Grand Forks ND
401 PM CDT Sat Jun 24 2023

NDC097-242111-
/O.CAN.KFGF.TO.W.0004.000000T0000Z-230624T2130Z/
Traill ND-
401 PM CDT Sat Jun 24 2023

...THE TORNADO WARNING FOR EAST CENTRAL TRAILL COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 700 PM CDT for northwestern
Minnesota.

LAT...LON 4738 9659 4738 9670 4758 9682 4762 9663
      4743 9652 4742 9652
TIME...MOT...LOC 2101Z 156DEG 21KT 4743 9662 

$$

MNC107-119-242130-
/O.CON.KFGF.TO.W.0004.000000T0000Z-230624T2130Z/
Norman MN-Polk MN-
401 PM CDT Sat Jun 24 2023

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR
NORTHWESTERN NORMAN AND SOUTHWESTERN POLK COUNTIES...
    
At 401 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Lockhart, or 39 miles north of Fargo, moving
northwest at 25 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Lockhart.

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 4738 9659 4738 9670 4758 9682 4762 9663
      4743 9652 4742 9652
TIME...MOT...LOC 2101Z 156DEG 21KT 4743 9662 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Lynch
282 
WWUS53 KFGF 242109
SVSFGF

Severe Weather Statement
National Weather Service Grand Forks ND
409 PM CDT Sat Jun 24 2023

MNC107-119-242130-
/O.CON.KFGF.TO.W.0004.000000T0000Z-230624T2130Z/
Norman MN-Polk MN-
409 PM CDT Sat Jun 24 2023

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR
NORTHWESTERN NORMAN AND SOUTHWESTERN POLK COUNTIES...
    
At 409 PM CDT, a confirmed tornado was located near Lockhart, or 36
miles southeast of Grand Forks, moving north at 25 mph.

HAZARD...Damaging tornado.

SOURCE...Weather spotters confirmed tornado.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornadic thunderstorm will remain over mainly rural areas of
northwestern Norman and southwestern Polk Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 4742 9664 4744 9673 4758 9682 4762 9663
      4747 9654
TIME...MOT...LOC 2109Z 160DEG 20KT 4747 9664 

TORNADO...OBSERVED
MAX HAIL SIZE...<.75 IN

$$

Lynch

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 1:49 PM CDTSpecial Weather StatementFGFCass41 min
Jun 24, 2:20 PM CDTSpecial Weather StatementFGFCass40 min
Jun 24, 2:43 PM CDTSpecial Weather StatementFGFTraill47 min
Jun 24, 6:24 PM CDTSevere Thunderstorm WarningFGFGrand Forks, Steele, Traill25 min
Jun 24, 6:28 PM CDTSevere Thunderstorm WarningFGFSteele47 min
Jun 24, 6:57 PM CDTSpecial Weather StatementFGFGrand Forks48 min
Jun 24, 3:06 PM CDTSpecial Weather StatementFGFNorman39 min
Jun 24, 3:14 PM CDTSpecial Weather StatementFGFBecker46 min
Jun 24, 3:23 PM CDTTornado Warning Tornado observedFGFBecker, Mahnomen, Norman37 min
Jun 24, 3:26 PM CDTTornado Warning Tornado observedFGFNorman34 min
Jun 24, 3:58 PM CDTTornado Warning Tornado observedFGFBecker, Mahnomen, Norman47 min
Jun 24, 4:14 PM CDTTornado WarningFGFNorman, Polk46 min
Jun 24, 4:37 PM CDTTornado Warning Tornado observedFGFMahnomen, Polk38 min
Jun 24, 4:42 PM CDTSevere Thunderstorm WarningFGFBecker, Otter Tail, Wadena35 min
Jun 24, 4:46 PM CDTTornado WarningFGFPolk27 min
Jun 24, 5:10 PM CDTTornado WarningFGFMahnomen, Polk50 min
Jun 24, 5:16 PM CDTSpecial Weather StatementFGFPolk29 min
Jun 24, 5:19 PM CDTSpecial Weather StatementFGFWadena26 min
Jun 24, 5:58 PM CDTSevere Thunderstorm WarningFGFMahnomen, Polk47 min
Jun 24, 6:35 PM CDTTornado WarningFGFPolk25 min
Jun 24, 6:40 PM CDTSevere Thunderstorm WarningFGFHubbard, Wadena65 min

Nearby

Tornado Warnings in Minnesota, 2023Tornado Warnings in North Dakota, 2023Every tornado warning in 2023Tornadoes in 2023

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.