620  
WWUS53 KBIS 210256  
SVSBIS  
 
SEVERE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE BISMARCK ND  
956 PM CDT FRI JUN 20 2025  
 
NDC057-210305-  
/O.CAN.KBIS.SV.W.0060.000000T0000Z-250621T0345Z/  
MERCER ND-  
956 PM CDT FRI JUN 20 2025  
 
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MERCER COUNTY IS  
CANCELLED...  
 
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED  
AREA. THEREFORE, THE WARNING HAS BEEN CANCELLED.  
 
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CDT FOR SOUTH CENTRAL  
AND NORTH CENTRAL NORTH DAKOTA.  
 
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR  
SOUTH CENTRAL NORTH DAKOTA.  
 

 
 
LAT...LON 4734 9928 4733 9927 4733 10011 4717 10012  
4706 10105 4721 10120 4748 10138 4814 10018  
TIME...MOT...LOC 0255Z 235DEG 49KT 4756 10109 4741 10091 4719 10077  
 

 
 
NDC015-049-055-065-069-083-103-210345-  
/O.CON.KBIS.SV.W.0060.000000T0000Z-250621T0345Z/  
WELLS ND-SHERIDAN ND-PIERCE ND-MCLEAN ND-BURLEIGH ND-MCHENRY ND-  
OLIVER ND-  
956 PM CDT FRI JUN 20 2025  
 
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT  
FOR WELLS...SHERIDAN...SOUTHWESTERN PIERCE...EASTERN MCLEAN...  
NORTHERN BURLEIGH...SOUTHEASTERN MCHENRY AND NORTHEASTERN OLIVER  
COUNTIES...  
 
AT 955 PM CDT, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM 6 MILES EAST OF COLEHARBOR TO 7 MILES SOUTH OF TURTLE  
LAKE TO NEAR WILTON, MOVING NORTHEAST AT 55 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...  
HARVEY, WASHBURN, UNDERWOOD, WILTON, TURTLE LAKE, FESSENDEN,  
MCCLUSKY, DRAKE, ANAMOOSE, RIVERDALE, GOODRICH, MERCER, HURDSFIELD,  
COLEHARBOR, MARTIN, BUTTE, REGAN, BOWDON, MANFRED, AND CHASELEY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CDT FOR SOUTH CENTRAL  
AND NORTH CENTRAL NORTH DAKOTA.  
 
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 4734 9928 4733 9927 4733 10011 4717 10012  
4706 10105 4721 10120 4748 10138 4814 10018  
TIME...MOT...LOC 0255Z 235DEG 49KT 4756 10109 4741 10091 4719 10077  
 
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE  
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...1.00 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...70 MPH  
 

 
 
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