740  
NOUS43 KABR 301819 AAA  
PNSABR  
SDZ020-310630-  
 
PUBLIC INFORMATION STATEMENT...UPDATED  
NATIONAL WEATHER SERVICE ABERDEEN SD  
119 PM CDT WED JUL 30 2025  
 
...NWS DAMAGE SURVEY FOR NWS DAMAGE SURVEY FOR 07/27/2025 TORNADO EVENT - UPDATE #1...  
 
THIS SURVEY WAS UPDATED WITH ADDITIONAL DETAILS ON WIND SPEED,  
PATH LENGTH, AND REVISED TIMES AND DESCRIPTIONS. ADDITIONAL  
UPDATES MAY STILL OCCUR PENDING DRONE AND SATELLITE IMAGERY.  
   
NORTHEAST OF HENRY, SD
 
 
RATING: EF2  
ESTIMATED PEAK WIND: 135 MPH  
PATH LENGTH /STATUTE/: 3.87 MILES  
PATH WIDTH /MAXIMUM/: 200 YARDS  
FATALITIES: 0  
INJURIES: 0  
 
START DATE: 07/27/2025  
START TIME: 05:55 PM CDT  
START LOCATION: 6 NE HENRY / CODINGTON COUNTY / SD  
START LAT/LON: 44.9438 / -97.3777  
 
END DATE: 07/27/2025  
END TIME: 06:16 PM CDT  
END LOCATION: 5 E HENRY / CODINGTON COUNTY / SD  
END LAT/LON: 44.8949 / -97.3533  
 
SURVEY SUMMARY:  
A TORNADO TRACKED FOR NEARLY FOUR MILES OVER APPROXIMATELY 21  
MINUTES, LEAVING A PATH OF SIGNIFICANT DAMAGE. THE EVENT BEGAN  
AROUND 5:55 PM CDT WHEN THE TORNADO TOUCHED DOWN IN AN OPEN FIELD  
BETWEEN 168TH AND 169TH STREETS, JUST TO THE WEST OF 442ND AVENUE.  
THE TORNADO INITIALLY TRACKED TO THE EAST, AND BY ABOUT 6:02 PM,  
IT CROSSED 442ND AVENUE. THE TORNADO THEN TURNED AND STARTED  
TRACKING SOUTH. THE CORE OF THE TORNADO PASSED ABOUT 150 YARDS TO  
THE WEST OF A FARMSTEAD, BUT AT APPROXIMATELY 6:03 PM, THE TORNADO  
WAS CLOSE ENOUGH TO THE FARM TO START CAUSING SIGNIFICANT DAMAGE.  
IN FACT, VIDEO EVIDENCE SHOWS DEBRIS BEING LOFTED INTO THE AIR  
BEFORE THE TORNADO MADE ITS CLOSEST APPROACH. THE MAIN RESIDENCE  
WAS COMPLETELY DESTROYED. AN ATTACHED GARAGE WAS DISLODGED AND  
SWEPT CLEAN FROM ITS CEMENT FOUNDATION; HOWEVER, A VEHICLE IN THE  
DRIVEWAY DID NOT MOVE. THE REMAINDER OF THE HOUSE LOST ITS ENTIRE  
ROOF AND MANY EXTERIOR WALLS, THOUGH INTERIOR WALLS REMAINED  
STANDING. ONE OUTBUILDING WAS COMPLETELY DESTROYED, AND MANY  
OTHERS SUSTAINED SIGNIFICANT DAMAGE. ALONG THE SOUTHERN EDGE OF  
THE PROPERTY, A LINE OF NINE GRAIN BINS WAS COMPLETELY SWEPT AWAY.  
THE RESIDENTS WERE NOT HOME AT THE TIME OF THE TORNADO, BUT A  
BELOVED HORSE WAS KILLED. AT 6:06 PM, THE TORNADO CROSSED 169TH  
STREET AND CONTINUED SOUTH THROUGH CROPLAND. AERIAL PHOTOS  
REVEALED THAT BETWEEN 169TH AND 170TH STREETS, THE TORNADO RIPPED  
THROUGH SEVERAL ROWS OF EROSION SHELTERBELT TREES. TREES IN THE  
PATH WERE VOID OF BRANCHES, SNAPPED AT THEIR BASES, AND IN SOME  
SPOTS, REDUCED TO NOTHING MORE THAN STUBS. CONTINUING SOUTH, THE  
TORNADO CROSSED 170TH STREET AT AROUND 6:11 PM, AND CONTINUED  
ACROSS A LAKE AND MORE CROPLAND, EVENTUALLY CROSSING 171ST STREET.  
BY APPROXIMATELY 6:16 PM, THE TORNADO WEAKENED AND DISSIPATED  
JUST NORTH OF 172ND STREET, BRINGING ITS 21-MINUTE DURATION TO AN  
END.  
 

 
 
EF SCALE: THE ENHANCED FUJITA SCALE CLASSIFIES TORNADOES INTO THE  
FOLLOWING CATEGORIES:  
 
EF0.....65 TO 85 MPH  
EF1.....86 TO 110 MPH  
EF2.....111 TO 135 MPH  
EF3.....136 TO 165 MPH  
EF4.....166 TO 200 MPH  
EF5.....>200 MPH  
 
NOTE:  
THE INFORMATION IN THIS STATEMENT IS PRELIMINARY AND SUBJECT TO  
CHANGE PENDING FINAL REVIEW OF THE EVENT AND PUBLICATION IN  
NWS STORM DATA.  
 

 
 
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