225  
WUUS53 KBIS 210148  
SVRBIS  
NDC037-059-085-210215-  
/O.NEW.KBIS.SV.W.0055.250621T0148Z-250621T0215Z/  
 
BULLETIN - EAS ACTIVATION REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE BISMARCK ND  
848 PM CDT FRI JUN 20 2025  
 
THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
NORTHEASTERN SIOUX COUNTY IN SOUTH CENTRAL NORTH DAKOTA...  
SOUTHEASTERN MORTON COUNTY IN SOUTH CENTRAL NORTH DAKOTA...  
NORTHEASTERN GRANT COUNTY IN SOUTH CENTRAL NORTH DAKOTA...  
 
* UNTIL 915 PM CDT/815 PM MDT/.  
 
* AT 847 PM CDT/747 PM MDT/, SEVERE THUNDERSTORMS WERE LOCATED ALONG  
A LINE EXTENDING FROM 15 MILES WEST OF ST. ANTHONY TO 10 MILES  
SOUTHWEST OF FLASHER, MOVING EAST AT 65 MPH.  
 
THESE ARE DESTRUCTIVE STORMS!  
 
HAZARD...90 MPH WIND GUSTS.  
 
SOURCE...TRAINED WEATHER SPOTTERS.  
 
IMPACT...YOU ARE IN A LIFE-THREATENING SITUATION. FLYING DEBRIS  
MAY BE DEADLY TO THOSE CAUGHT WITHOUT SHELTER. MOBILE  
HOMES WILL BE HEAVILY DAMAGED OR DESTROYED. HOMES AND  
BUSINESSES WILL HAVE SUBSTANTIAL ROOF AND WINDOW DAMAGE.  
EXPECT EXTENSIVE TREE DAMAGE AND POWER OUTAGES.  
 
* LOCATIONS IMPACTED INCLUDE...  
CARSON, FLASHER, ALMONT, SOLEN, CANNON BALL, ST. ANTHONY, PRAIRIE  
KNIGHTS RESORT, LARK, RALEIGH, BREIEN, HAZELTON RECREATION AREA,  
STUMPF STATE NATURAL AREA, HUFF, ST. GERTRUDE, FORT RICE, AND  
STANDING ROCK.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
THIS IS AN EXTREMELY DANGEROUS SITUATION WITH TORNADO LIKE WIND  
SPEEDS EXPECTED. MOBILE HOMES AND HIGH PROFILE VEHICLES ARE  
ESPECIALLY SUSCEPTIBLE TO WINDS OF THIS MAGNITUDE AND MAY BE  
OVERTURNED. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE  
LOWEST FLOOR OF A BUILDING. THESE STORMS HAVE THE POTENTIAL TO CAUSE  
SERIOUS INJURY AND SIGNIFICANT PROPERTY DAMAGE.  
 
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CDT/200 AM MDT/ FOR  
SOUTH CENTRAL NORTH DAKOTA.  
 
 
 
LAT...LON 4628 10163 4672 10155 4671 10080 4669 10078  
4669 10074 4666 10075 4665 10073 4668 10064  
4664 10066 4661 10063 4659 10056 4657 10059  
4652 10054 4650 10058 4645 10060 4634 10055  
4627 10058  
TIME...MOT...LOC 0147Z 270DEG 55KT 4660 10123 4632 10132  
 
THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE  
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...<.75 IN  
WIND THREAT...OBSERVED  
MAX WIND GUST...90 MPH  
 
 
 
HOLLAN  
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