WWUS55 KTFX 200417

SVSTFX



Severe Weather Statement

National Weather Service Great Falls MT

1017 PM MDT Tue Aug 19 2025



MTC049-200427-

/O.CAN.KTFX.SV.W.0145.000000T0000Z-250820T0445Z/

Lewis and Clark MT-

1017 PM MDT Tue Aug 19 2025



...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL LEWIS AND CLARK COUNTY

IS CANCELLED...



The storms which prompted the warning have moved out of the warned 

area. Therefore, the warning has been cancelled.



&&



LAT...LON 4782 11136 4752 11107 4726 11109 4733 11171

      4735 11194 4777 11211

TIME...MOT...LOC 0417Z 270DEG 34KT 4778 11179 4747 11152 4730 11156 



$$



MTC013-015-099-200445-

/O.CON.KTFX.SV.W.0145.000000T0000Z-250820T0445Z/

Teton MT-Chouteau MT-Cascade MT-

1017 PM MDT Tue Aug 19 2025



...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM MDT

FOR SOUTHEASTERN TETON...WEST CENTRAL CHOUTEAU AND NORTHWESTERN

CASCADE COUNTIES...



At 1017 PM MDT, severe thunderstorms were located along a line

extending from near Dutton to 10 miles west of Great Falls to 6 miles

east of Cascade, moving east at 40 mph.



HAZARD...70 mph wind gusts.



SOURCE...Radar indicated.



IMPACT...Expect considerable tree damage. Damage is likely to mobile 

         homes, roofs, and outbuildings.



Locations impacted include...

Great Falls, Fairfield, Black Eagle, Fort  Shaw, Fort Shaw, Power,

Malmstrom Afb, Stockett, Tracy, Vaughn, First Peoples Buffalo Jump

State Park, Centerville, Sun River, Ulm, Sand Coulee, and Simms.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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

building.



Continuous cloud to ground lightning is occurring with these storms.

Move indoors immediately. Lightning is one of nature's leading

killers. Remember, if you can hear thunder, you are close enough to

be struck by lightning.



&&



LAT...LON 4782 11136 4752 11107 4726 11109 4733 11171

      4735 11194 4777 11211

TIME...MOT...LOC 0417Z 270DEG 34KT 4778 11179 4747 11152 4730 11156 



THUNDERSTORM DAMAGE THREAT...CONSIDERABLE

HAIL THREAT...RADAR INDICATED

MAX HAIL SIZE...<.75 IN

WIND THREAT...RADAR INDICATED

MAX WIND GUST...70 MPH



$$



IG