568  
NOUS45 KGGW 110025  
PNSGGW  
MTZ019-111230-  
 
PUBLIC INFORMATION STATEMENT  
NATIONAL WEATHER SERVICE GLASGOW MT  
625 PM MDT TUE JUL 10 2018  
   
..PRELIMINARY DAMAGE SURVEY RESULTS FOR PLENTYWOOD, MT
 
 
THE STORM SURVEY INVESTIGATION IS STILL ONGOING AND SUBJECT TO  
FURTHER COORDINATION WITH LOCAL EMERGENCY MANAGEMENT AGENCIES  
 
...A SUPERCELL MOVED SOUTHEAST THROUGH PLENTYWOOD, MT ON THE  
EVENING OF JULY 9, 2018 PRODUCING A BRIEF TORNADO ON THE  
SOUTHEAST SIDE OF TOWN...  
 
THE FOLLOWING IS A PRELIMINARY ASSESSMENT FOR THE DAMAGE THAT  
OCCURRED OVER PLENTYWOOD, MT ON JULY 9, 2018.  
 
* EVENT DATE: JULY 9, 2018  
 
* ESTIMATED START TIME: 7:06 PM MDT  
 
* EVENT TYPE: EF-1 TORNADO  
 
* EVENT LOCATION: SOUTHEAST SIDE OF PLENTYWOOD, MT  
 
* PEAK WIND: 110 MPH  
 
* PATH WIDTH: 250 YARDS  
 
* PATH LENGTH: 2.1 MILES  
 
* INJURIES: 0  
 
* FATALITIES: 0  
 
* DISCUSSION/DAMAGE: EMBEDDED WITHIN A MACROBURST, A BRIEF TORNADO  
TOUCHED DOWN ON THE SOUTHEAST SIDE OF PLENTYWOOD, MT ON THE EVENING  
OF JULY 9, 2018. A MOBILE HOME WAS COMPLETELY DESTROYED  
AND TWO SMALL FARM OUTBUILDINGS WERE HEAVILY DAMAGED WITH EVIDENCE  
OF SPLATTERING OF THE INSOLATION ON THE SOUTH AND EAST SIDE OF THE  
BUILDINGS (THE STORM MOVED FROM NORTHWEST TO SOUTHEAST). AN ADJACENT  
1-STORY BUSINESS SUSTAINED ROOF DAMAGE WITH SEVERAL 2X4'S PIERCED  
THROUGH THE ROOF (COMING FROM A SOUTH TO NORTH DIRECTION). A  
VEHICLE HAD 4 SEPARATE 2X4'S PIERCE THROUGH THE WINDOWS AND THE BODY  
OF THE VEHICLE. MULTIPLE EMPTY TRAILERS WERE FLIPPED OVER AND A  
RESTAURANT HAD THE FRONT DOORS AND SEVERAL WINDOWS BLOWN OUT AND  
PART OF THE ROOF TORN OFF ON THE SOUTHEAST SIDE OF THE BUILDING.  
SEVERAL VEHICLES HAD WINDOWS BLOWN OUT AND TWO EMPTY GRAIN BINS  
WERE THROWN SEVERAL HUNDRED YARDS.  
 
THIS IS THE SECOND OF TWO REPORTS ON THIS STORM.  
 

 
 
FOR REFERENCE...THE ENHANCED FUJITA TORNADO SCALE CLASSIFIES  
TORNADOES INTO THE FOLLOWING CATEGORIES:  
 
EF0...WIND SPEEDS 65 TO 85 MPH.  
EF1...WIND SPEEDS 86 TO 110 MPH.  
EF2...WIND SPEEDS 111 TO 135 MPH.  
EF3...WIND SPEEDS 136 TO 165 MPH.  
EF4...WIND SPEEDS 166 TO 200 MPH.  
EF5...WIND SPEEDS GREATER THAN 200 MPH.  
 

 
 
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