Alert archive / North Dakota / Tornado Warnings in 2025

Tornado Warning 41, NWS Grand Forks, ND

July 27, 20254 counties in North Dakota

NWS Grand Forks, ND issued this tornado warning at Jul 27, 2025, 1:24 AM CDT for 4 counties in North Dakota. It was in force for 36 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: Jul 27, 2025, 1:24 AM CDT (06:24 UTC)
Expired: Jul 27, 2025, 2:00 AM CDT
In force: 36 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Grand Forks County, ND, Griggs County, ND, Nelson County, ND, Steele County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 41 km from the middle of the area, began a volume at 06:23 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
Jul 26, 11:48 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 6.4 hours before the alert went out and 240 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: 2343 J/kg
Mixed-layer CIN: -126 J/kg
Mixed-layer LCL: 2248 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 28 m²/s²
0-3 km storm-relative helicity: 83 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.8

Open this sounding in Storm Lab

The text

As transmitted.

120 
WFUS53 KFGF 270624
TORFGF
NDC035-039-063-091-270700-
/O.NEW.KFGF.TO.W.0041.250727T0624Z-250727T0700Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Grand Forks ND
124 AM CDT Sun Jul 27 2025

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...
  Northeastern Griggs County in southeastern North Dakota...
  Northern Steele County in southeastern North Dakota...

* Until 200 AM CDT.

* At 124 AM CDT, severe thunderstorms capable of producing a tornado
  were located along a line extending from Kloten to near Aneta to
  near Finley, moving east at 50 mph.

  HAZARD...Tornado and quarter size hail.

  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...
  Northwood, Golden Lake, Finley, Aneta, Sharon, Kloten, and 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 4788 9775 4773 9753 4752 9748 4747 9801
      4763 9808 4770 9816
TIME...MOT...LOC 0624Z 254DEG 43KT 4771 9806 4765 9798 4751 9794 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

TL

1 follow-up statement

506 
WWUS53 KFGF 270637
SVSFGF

Severe Weather Statement
National Weather Service Grand Forks ND
137 AM CDT Sun Jul 27 2025

NDC039-270646-
/O.CAN.KFGF.TO.W.0041.000000T0000Z-250727T0700Z/
Griggs ND-
137 AM CDT Sun Jul 27 2025

...THE TORNADO WARNING FOR NORTHEASTERN GRIGGS COUNTY IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled. A severe 
thunderstorm warning remains in effect through 215 AM.

A Severe Thunderstorm Watch remains in effect until 700 AM CDT for
southeastern and northeastern North Dakota.

&&

LAT...LON 4788 9775 4773 9753 4752 9748 4749 9788
      4767 9790 4776 9802
TIME...MOT...LOC 0636Z 253DEG 46KT 4775 9789 4769 9781 4755 9777 

$$

NDC035-063-091-270700-
/O.CON.KFGF.TO.W.0041.000000T0000Z-250727T0700Z/
Grand Forks ND-Nelson ND-Steele ND-
137 AM CDT Sun Jul 27 2025

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 AM CDT FOR
SOUTHWESTERN GRAND FORKS...SOUTHEASTERN NELSON AND NORTHERN STEELE
COUNTIES...

At 136 AM CDT, severe thunderstorms capable of producing tornadoes
were located along a line extending from near Logan Center to 7 miles
northeast of Sharon to near Finley, moving east at 50 mph.

HAZARD...Tornado and quarter size hail.

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...
Northwood, Golden Lake, Finley, and 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 4788 9775 4773 9753 4752 9748 4749 9788
      4767 9790 4776 9802
TIME...MOT...LOC 0636Z 253DEG 46KT 4775 9789 4769 9781 4755 9777 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Lynch

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 27, 12:25 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Benson, Eddy, Griggs, Nelson, Ramsey	65 min
Jul 27, 12:29 AM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Griggs, Steele	61 min
Jul 27, 1:12 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Barnes, Cass, Grand Forks, Griggs, Nelson, Steele and 1 more	63 min
Jul 27, 1:16 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Benson, Eddy, Grand Forks, Griggs, Nelson, Ramsey and 2 more	59 min
Jul 27, 1:54 AM CDT	Tornado Warning	FGF	Grand Forks, Steele, Traill	36 min
Jul 27, 1:56 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Grand Forks, Nelson, Ramsey, Steele, Traill, Walsh	64 min
Jul 27, 2:35 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Grand Forks, Traill, Walsh	55 min
Jul 27, 5:56 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Benson, Eddy, Ramsey, Towner	64 min
Jul 27, 6:58 AM CDT	Special Weather Statement	FGF	Towner	32 min

Nearby

Tornado Warnings in North Dakota, 2025 Every tornado warning in 2025 Tornadoes in 2025

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.