501 
WUUS53 KFGF 270612
SVRFGF
NDC003-017-035-039-063-091-097-270715-
/O.NEW.KFGF.SV.W.0128.250727T0612Z-250727T0715Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Grand Forks ND
112 AM CDT Sun Jul 27 2025

The National Weather Service in Grand Forks has issued a

* Severe Thunderstorm Warning for...
  Southwestern Grand Forks County in northeastern North Dakota...
  Southeastern Nelson County in northeastern North Dakota...
  Northwestern Cass County in southeastern North Dakota...
  Southwestern Traill County in southeastern North Dakota...
  Eastern Griggs County in southeastern North Dakota...
  Northeastern Barnes County in southeastern North Dakota...
  Steele County in southeastern North Dakota...

* Until 215 AM CDT.

* At 112 AM CDT, severe thunderstorms were located along a line
  extending from near Cooperstown to near Blabon to near Page, moving
  northeast at 40 mph.

  HAZARD...70 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings.

* Locations impacted include...
  Mayville, Hillsboro, Cooperstown, Northwood, Hatton, Portland, and
  Golden Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

For your protection move to an interior room on the lowest floor of a
building.

Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. These storms may cause serious injury and significant
property damage.

&&

LAT...LON 4784 9786 4770 9732 4732 9695 4687 9762
      4714 9808 4725 9844
TIME...MOT...LOC 0612Z 229DEG 33KT 4741 9814 4735 9789 4710 9764 

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

JR

304 
WWUS53 KFGF 270641
SVSFGF

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

NDC003-270650-
/O.CAN.KFGF.SV.W.0128.000000T0000Z-250727T0715Z/
Barnes ND-
141 AM CDT Sun Jul 27 2025

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BARNES 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 Watch remains in effect until 700 AM CDT for
southeastern and northeastern North Dakota.

&&

LAT...LON 4784 9786 4770 9732 4732 9695 4700 9745
      4714 9771 4724 9771 4724 9788 4742 9828
TIME...MOT...LOC 0640Z 224DEG 42KT 4762 9779 4755 9759 4726 9734 

$$

NDC017-035-039-063-091-097-270715-
/O.CON.KFGF.SV.W.0128.000000T0000Z-250727T0715Z/
Grand Forks ND-Nelson ND-Cass ND-Traill ND-Griggs ND-Steele ND-
141 AM CDT Sun Jul 27 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 AM CDT
FOR SOUTHWESTERN GRAND FORKS...SOUTHEASTERN NELSON...NORTHWESTERN
CASS...SOUTHWESTERN TRAILL...EASTERN GRIGGS AND STEELE COUNTIES...

At 140 AM CDT, severe thunderstorms were located along a line
extending from near Sharon to near Golden Lake to near Galesburg,
moving northeast at 50 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
Mayville, Hillsboro, Cooperstown, Northwood, Hatton, Portland, and
Golden Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. These storms may cause serious injury and significant
property damage.

&&

LAT...LON 4784 9786 4770 9732 4732 9695 4700 9745
      4714 9771 4724 9771 4724 9788 4742 9828
TIME...MOT...LOC 0640Z 224DEG 42KT 4762 9779 4755 9759 4726 9734 

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

JR

304 
WWUS53 KFGF 270641
SVSFGF

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

NDC003-270650-
/O.CAN.KFGF.SV.W.0128.000000T0000Z-250727T0715Z/
Barnes ND-
141 AM CDT Sun Jul 27 2025

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BARNES 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 Watch remains in effect until 700 AM CDT for
southeastern and northeastern North Dakota.

&&

LAT...LON 4784 9786 4770 9732 4732 9695 4700 9745
      4714 9771 4724 9771 4724 9788 4742 9828
TIME...MOT...LOC 0640Z 224DEG 42KT 4762 9779 4755 9759 4726 9734 

$$

NDC017-035-039-063-091-097-270715-
/O.CON.KFGF.SV.W.0128.000000T0000Z-250727T0715Z/
Grand Forks ND-Nelson ND-Cass ND-Traill ND-Griggs ND-Steele ND-
141 AM CDT Sun Jul 27 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 AM CDT
FOR SOUTHWESTERN GRAND FORKS...SOUTHEASTERN NELSON...NORTHWESTERN
CASS...SOUTHWESTERN TRAILL...EASTERN GRIGGS AND STEELE COUNTIES...

At 140 AM CDT, severe thunderstorms were located along a line
extending from near Sharon to near Golden Lake to near Galesburg,
moving northeast at 50 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
Mayville, Hillsboro, Cooperstown, Northwood, Hatton, Portland, and
Golden Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. These storms may cause serious injury and significant
property damage.

&&

LAT...LON 4784 9786 4770 9732 4732 9695 4700 9745
      4714 9771 4724 9771 4724 9788 4742 9828
TIME...MOT...LOC 0640Z 224DEG 42KT 4762 9779 4755 9759 4726 9734 

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

JR