730  
NOUS44 KTSA 150036  
PNSTSA  
OKZ060-151245-  
 
PUBLIC INFORMATION STATEMENT  
NATIONAL WEATHER SERVICE TULSA OK  
636 PM CST TUE JAN 14 2020  
   
..NWS DAMAGE SURVEY FOR 01/10/2020 TORNADO EVENT - UPDATE 1
 
 
   
UPDATE
 
UPDATED TO INCLUDE THE PARK HILL TORNADO  
   
OVERVIEW
 
SEVERE THUNDERSTORMS DEVELOPED INTO EASTERN OKLAHOMA  
DURING THE MORNING OF FRIDAY, JANUARY 10TH, AHEAD OF A STRONG STORM  
SYSTEM THAT MOVED INTO THE SOUTHERN PLAINS FROM THE SOUTHERN ROCKIES.  
UNSEASONABLY WARM AND MOIST AIR AHEAD OF THIS SYSTEM RESULTED IN WEAK  
INSTABILITY TO DEVELOP ACROSS EASTERN OKLAHOMA AND NORTHWESTERN  
ARKANSAS. STRONG WIND FIELDS AND VERY STRONG WIND SHEAR, BOTH DEEP-  
LAYER AND LOW-LEVEL, COMBINED WITH THIS INSTABILITY, RESULTED IN  
SOME OF THE STORMS THROUGH MID AFTERNOON TO BECOME SUPERCELLS. THESE  
STORMS PRODUCED HAIL UP TO GOLFBALL SIZE, DAMAGING WIND, AND A  
TORNADO. THE TORNADO DAMAGE IN CHEROKEE COUNTY, OKLAHOMA, WAS  
SURVEYED BY OUR OFFICE TODAY. BY LATE AFTERNOON, THE STORMS HAD  
EVOLVED INTO A SQUALL LINE THAT MOVED ACROSS FAR EASTERN OKLAHOMA AND  
WESTERN ARKANSAS THROUGH THE EVENING. AS THIS SQUALL LINE MOVED  
THROUGH NORTHWESTERN ARKANSAS, IT PRODUCED DAMAGING WIND AND A  
TORNADO. THE DAMAGE FROM THIS TORNADO WAS SURVEYED BY OUR OFFICE,  
ALONG WITH FRANKLIN COUNTY EMERGENCY MANAGEMENT, ON SATURDAY. THE  
DETAILS OF BOTH DAMAGE SURVEYS FOLLOW.  
   
PARK HILL OKLAHOMA TORNADO
 
 
RATING: EF-1  
ESTIMATED PEAK WIND: 90 TO 100 MPH  
PATH LENGTH /STATUTE/: 5.8 MILES  
PATH WIDTH /MAXIMUM/: 250 YARDS  
FATALITIES: 0  
INJURIES: 0  
 
START DATE: JANUARY 10 2020  
START TIME: 249 PM CST  
START LOCATION: 3.1 WSW KEYS / CHEROKEE COUNTY / OK  
START LAT/LON: 35.7796 / -95.0229  
 
END DATE: JANUARY 10 2020  
END TIME: 257 PM CST  
END LOCATION: 1.7 SSE PARK HILL / CHEROKEE COUNTY / OK  
END LAT/LON: 35.8369 / -94.9480  
 
SURVEY SUMMARY: THIS TORNADO DAMAGED A ROOF OF A PERMANENT HOME AND  
THE ROOFS OF TWO MOBILE HOMES, UPROOTED A NUMBER OF TREES, AND  
DAMAGED OUTBUILDINGS.  
   
CECIL ARKANSAS TORNADO
 
 
RATING: EF-1  
ESTIMATED PEAK WIND: 95 TO 105 MPH  
PATH LENGTH /STATUTE/: 3.9 MILES  
PATH WIDTH /MAXIMUM/: 400 YARDS  
FATALITIES: 0  
INJURIES: 0  
 
START DATE: JANUARY 10 2020  
START TIME: 745 PM CST  
START LOCATION: 3.2 ESE CECIL / FRANKLIN COUNTY / AR  
START LAT/LON: 35.4262 / -93.8928  
 
END DATE: JANUARY 10 2020  
END TIME: 749 PM CST  
END LOCATION: 3.4 S OZARK / FRANKLIN COUNTY / AR  
END LAT/LON: 35.4381 / -93.8244  
 
SURVEY SUMMARY: THIS TORNADO DEVELOPED ALONG THE LEADING EDGE OF A  
LINE OF THUNDERSTORMS, SOUTH OF HIGHWAY 96. IT MOVED EAST-NORTHEAST  
DAMAGING THE ROOF OF A HOME, DESTROYING SEVERAL OUTBUILDINGS,  
SNAPPING OR UPROOTING NUMEROUS TREES, AND BLOWING DOWN POWER POLES.  
 
EF SCALE: THE ENHANCED FUJITA SCALE CLASSIFIES TORNADOES INTO THE  
FOLLOWING CATEGORIES.  
 
EF0...WEAK......65 TO 85 MPH  
EF1...WEAK......86 TO 110 MPH  
EF2...STRONG....111 TO 135 MPH  
EF3...STRONG....136 TO 165 MPH  
EF4...VIOLENT...166 TO 200 MPH  
EF5...VIOLENT...>200 MPH  
 
NOTE:  
THE INFORMATION IN THIS STATEMENT IS PRELIMINARY AND SUBJECT TO  
CHANGE PENDING FINAL REVIEW OF THE EVENTS AND PUBLICATION IN NWS  
STORM DATA.  
 

 
 
EJC  
 
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