Alert archive / Minnesota / Tornado Warnings in 2023

Tornado Warning 2, NWS Grand Forks, ND

June 24, 2023Becker County, Mahnomen County, Norman County, Minnesota

NWS Grand Forks, ND issued this tornado warning at Jun 24, 2023, 3:23 PM CDT for Becker County, Mahnomen County, Norman County, Minnesota. It was in force for 37 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 24, 2023, 3:23 PM CDT (20:23 UTC)
Expired
Jun 24, 2023, 4:00 PM CDT
In force
37 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon
Tornado
Observed
Hail
1.0 in

Counties Becker County, MN, Mahnomen County, MN, Norman County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 108 km from the middle of the area, began a volume at 20:25 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, 3:57 PM CDTTORNADO3 S Flom, MNCorrects previous tornado report from 3 S Flom. Hunter Anderson reports touchdown near Flom.

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

The nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 8.4 hours before the alert went out and 267 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.

629 
WFUS53 KFGF 242023
TORFGF
MNC005-087-107-242100-
/O.NEW.KFGF.TO.W.0002.230624T2023Z-230624T2100Z/

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

The National Weather Service in Grand Forks has issued a

* Tornado Warning for...
  Southeastern Norman County in northwestern Minnesota...
  Southwestern Mahnomen County in northwestern Minnesota...
  Northwestern Becker County in northwestern Minnesota...

* Until 400 PM CDT.

* At 323 PM CDT, a confirmed tornado was located 8 miles east of
  Ulen, or 19 miles northwest of Detroit Lakes, moving north at 25
  mph.

  HAZARD...Damaging tornado and quarter size hail.

  SOURCE...Public 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.

* Locations impacted include...
  Waubun, Flom and Ogema. 

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 4696 9610 4699 9619 4724 9614 4718 9589
      4698 9600
TIME...MOT...LOC 2023Z 191DEG 22KT 4703 9609 

TORNADO...OBSERVED
MAX HAIL SIZE...1.00 IN

$$

Lynch
1 follow-up statement
100 
WWUS53 KFGF 242039
SVSFGF

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

MNC005-087-107-242100-
/O.CON.KFGF.TO.W.0002.000000T0000Z-230624T2100Z/
Norman MN-Mahnomen MN-Becker MN-
339 PM CDT Sat Jun 24 2023

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM CDT FOR
SOUTHEASTERN NORMAN...SOUTHWESTERN MAHNOMEN AND NORTHWESTERN BECKER
COUNTIES...
    
At 339 PM CDT, a confirmed tornado was located near Flom, or 24 miles
northwest of Detroit Lakes, moving north at 25 mph.

HAZARD...Damaging tornado and quarter size hail.

SOURCE...Public 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.

Locations impacted include...
Waubun, Flom and Ogema. 

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 4701 9609 4706 9618 4724 9614 4718 9589
      4702 9598
TIME...MOT...LOC 2039Z 191DEG 22KT 4713 9606 

TORNADO...OBSERVED
MAX HAIL SIZE...1.00 IN

$$

Lynch

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 3:06 PM CDTSpecial Weather StatementFGFNorman39 min
Jun 24, 3:14 PM CDTSpecial Weather StatementFGFBecker46 min
Jun 24, 3:26 PM CDTTornado Warning Tornado observedFGFNorman34 min
Jun 24, 3:45 PM CDTTornado WarningFGFNorman, Polk45 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, 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.