292  
NOUS44 KSHV 131915 AAA  
PNSSHV  
ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-  
TXZ096-097-108>112-124>126-136>138-149>153-165>167-141200-  
 
PUBLIC INFORMATION STATEMENT...UPDATED  
NATIONAL WEATHER SERVICE SHREVEPORT LA  
215 PM CDT SAT MAY 13 2017  
   
..UPDATED TO ADD THE CADDO PARISH TORNADOES
 
   
..NWS DAMAGE SURVEY FOR THE MAY 11, 2017 TORNADO EVENT
 
 
   
OVERVIEW
 
WARM SECTOR THUNDERSTORMS DEVELOPED OVER NORTHEAST  
TEXAS AHEAD OF A DRY LINE AND A COLD FRONT MOVING IN FROM THE WEST  
AND NORTHWEST, RESPECTIVELY. AS THE DRYLINE APPROACHED, THESE  
THUNDERSTORMS BECAME SEVERE DURING THE EVENING HOURS, PRODUCING  
TORNADOES AND STRONG WINDS. BY LATE NIGHT, AS THE LAGGING COLD  
FRONT APPROACHED THE REGION, IT ALSO AIDED IN THE GENERATION OF  
SEVERE THUNDERSTORMS WHICH PRODUCED STRONG WINDS.  
 
.TORNADO # 1 JUST WEST OF GLADEWATER TX IN FAR SOUTHERN UPSHUR COUNTY...  
 
RATING: EF-1  
ESTIMATED PEAK WIND: 90-95 MPH  
PATH LENGTH /STATUTE/: 1.52 MILES  
PATH WIDTH /MAXIMUM/: 175 YARDS  
FATALITIES: 0  
INJURIES: 0  
 
START DATE: MAY 11 2017  
START TIME: 609 PM CDT  
START LOCATION: 2 MILES WEST OF GLADEWATER  
START LAT/LON: 32.5528 / -95.0058  
 
END DATE: MAY 11 2017  
END TIME: 611 PM CDT  
END LOCATION: 1 MILE NORTHWEST OF GLADEWATER  
END_LAT/LON: 32.5646 / -94.9889  
 
SURVEY_SUMMARY: AN EF-1 TORNADO TOUCHED DOWN ACROSS A WOODED AREA  
IN A PASTURELAND JUST WEST OF JUNIPER ROAD NEAR THE SABINE RIVER  
SOUTH OF HIGHWAY 80, JUST WEST OF THE GLADEWATER CITY LIMITS IN  
FAR SOUTHERN UPSHUR COUNTY. THROUGH THE PATH LENGTH, THIS TORNADO  
REMAINED AROUND TREETOP LEVEL, SHEARING THE TOPS OFF OF NUMEROUS  
TREES WHILE ALSO SNAPPING AND UPROOTING TREES, WHERE TREES HAD  
FALLEN ON A MOBILE HOME, A MOTOR HOME, AND A PICKUP TRUCK ON JUNIPER  
ROAD. THE TORNADO TRAVELED NORTHEAST ACROSS HIGHWAY 80 TO NEAR  
LOCUST ROAD AND GREEN ROAD WHERE ADDITIONAL TREES WERE PARTIALLY  
SNAPPED OR UPROOTED. A FEW SHINGLES WERE BLOWN OFF THE BACK OF A  
HOME ON GREEN ROAD. THE TORNADO LIFTED ON WHITE OAK ROAD ABOUT  
ONE-QUARTER MILE SOUTHEAST OF LOCUST ROAD. IT SHOULD BE NOTED THAT  
THIS PARENT SUPERCELL THUNDERSTORM PRODUCED DAMAGING STRAIGHT LINE  
WINDS THAT ALSO UPROOTED A LARGE HARDWOOD TREE ON WEST GAY AVENUE  
AND DOWNED A TREE ON POWER LINES ON WEST SHEPPARD DR IN NORTH  
GLADEWATER, WHILE ALSO SNAPPING LARGE LIMBS ON LAKE DRIVE AND  
PHILIPS SPRINGS ROAD JUST EAST OF LAKE GLADEWATER.  
 
.TORNADO # 2 NEAR THE UNION GROVE AND EAST MOUNTAIN COMMUNITIES ALONG  
THE UPSHUR AND GREGG COUNTY LINES JUST NORTH OF WHITE OAK...  
 
RATING: EF-1  
ESTIMATED PEAK WIND: 100-110 MPH  
PATH LENGTH /STATUTE/: 2.69 MILES  
PATH WIDTH /MAXIMUM/: 220 YARDS  
FATALITIES: 0  
INJURIES: 0  
 
START DATE: MAY 11 2017  
START TIME: 623 PM CDT  
START LOCATION: 1 MILE SOUTHEAST OF UNION GROVE  
START LAT/LON: 32.5738 / -94.8971  
 
END DATE: MAY 11 2017  
END TIME: 629 PM CDT  
END LOCATION: 1 MILE SOUTH OF EAST MOUNTAIN  
END_LAT/LON: 32.5704 / -94.8510  
 
SURVEY_SUMMARY: AN EF-1 TORNADO TOUCHED DOWN ALONG NORTH WHITE OAK  
ROAD ON THE EDGE OF THE UNION GROVE INCORPORATED LIMITS, AND MOVED  
EAST ALONG UNION GROVE ROAD, CROSSING SEAGULL ROAD AND MORGAN ROAD.  
THIS TORNADO REMAINED MOSTLY AT TREETOP LEVEL AT AND SHORTLY AFTER  
ITS INITIAL TOUCHDOWN, SHEARING THE TOPS OF NUMEROUS TREES BEFORE  
TOUCHING DOWN IN AN OPEN PASTURE BETWEEN MORGAN ROAD AND EAST  
MOUNTAIN ROAD. SEVERAL LARGE PINE, CEDAR, AND MESQUITE TREES WERE  
SNAPPED OR UPROOTED, WITH A FEW SHINGLES BLOWN OFF OF A HOME AT  
THE INTERSECTION OF EAST MOUNTAIN ROAD AND SHILOH ROAD. THIS TORNADO  
THEN PARTIALLY LIFTED BACK TO TREETOP LEVELS ALONG SHILOH ROAD,  
WITH NUMEROUS TREES SNAPPED OR SHEARED NEAR THE TOP. THE MOST  
EXTENSIVE DAMAGE CAME AT THE SHILOH BAPTIST CHURCH, WHERE THE TORNADO  
TORE OFF A SMALL SECTION OF THE ROOF AND STEEPLE AND THREW THEM  
NORTHEAST INTO THE ADJACENT CHURCH CEMETERY. SEVERAL LARGE HARDWOODS  
WERE ALSO SNAPPED AT THE BASE OR UPROOTED ALONG SHILOH ROAD AND IN  
THE CEMETERY, WITH THIS DAMAGE JUSTIFYING THE HIGH END EF-1 DAMAGE.  
THE TORNADO CONTINUED EAST ALONG SHILOH ROAD WHERE IT PARTIALLY  
LIFTED BACK TO TREETOP LEVEL, SHEARING THE TOPS OF NUMEROUS TREES  
BEFORE FINALLY LIFTING ABOUT ONE-HALF MILE WEST OF FARM TO MARKET  
ROAD 1845.  
   
TORNADO # 3 MINDEN TORNADO IN RUSK COUNTY TX
 
 
RATING: EF-1  
ESTIMATED PEAK WIND: 100-110 MPH  
PATH LENGTH /STATUTE/: 5.54 MILES  
PATH WIDTH /MAXIMUM/: 280 YARDS  
FATALITIES: 0  
INJURIES: 0  
 
START DATE: MAY 11 2017  
START TIME: 703 PM CDT  
START LOCATION: 8 MILES N OF MOUNT ENTERPRISE  
START LAT/LON: 32.0177 / -94.6932  
 
END DATE: MAY 11 2017  
END TIME: 716 PM CDT  
END LOCATION: 10 ESE OF HENDERSON  
END_LAT/LON: 32.0869 / -94.6542  
 
SURVEY_SUMMARY: AN EF1 TORNADO TOUCHED DOWN ALONG FM 1798 EAST  
JUST EAST OF FM 95. THIS TORNADO APPEARED TO BE SKIMMING THE TREE  
TOPS UNTIL IT TOUCHED DOWN ALONG COUNTY ROAD 3125 SOUTH, SNAPPING  
AND UPROOTING TREES. ANOTHER AREA OF MORE FOCUSED DAMAGE WAS ALONG  
COUNTY ROAD 363 SOUTH AND COUNTY ROAD 364 SOUTH, WHERE SEVERAL  
MORE TREES WERE SNAPPED AND UPROOTED. AT LEAST TWO OF THESE TREES  
FELL ON A HOUSE AND OUTBUILDING, CAUSING DAMAGE. THIS TORNADO  
APPEARED TO LIFT SHORTLY BEYOND COUNTY ROAD 364 SOUTH.  
   
TORNADO # 4 CADDO LAKE/OIL CITY IN CADDO PARISH LA
 
 
RATING: EF-1  
ESTIMATED PEAK WIND: 95-105 MPH  
PATH LENGTH /STATUTE/: 2.35 MILES  
PATH WIDTH /MAXIMUM/: 215 YARDS  
FATALITIES: 0  
INJURIES: 0  
 
START DATE: MAY 11 2017  
START TIME: 815 PM CDT  
START LOCATION: 1 MILE SOUTH OF OIL CITY  
START LAT/LON: 32.7265 / -93.9739  
 
END DATE: MAY 11 2017  
END TIME: 820 PM CDT  
END LOCATION: 2 MILES EAST OF OIL CITY  
END_LAT/LON: 32.7494 / -93.9448  
 
SURVEY_SUMMARY: THIS TORNADO INITIALLY TOUCHED DOWN AS A  
WATERSPOUT ON CADDO LAKE, AND CAME ASHORE AT EARL G. WILLIAMSON  
PARK ON THE SOUTH SIDE OF OIL CITY, WHERE THE TORNADO SHEARED THE  
TOPS OFF OF SEVERAL TREES AND UPROOTED A LARGE HARDWOOD NEAR THE  
SHORE. THIS TORNADO MOVED RIGHT OVER THE PLAYGROUND, WHERE IT TORE  
A METAL ROOF OFF OF THE METAL OFFICE BUILDING AT THE PARK AND  
CARRIED PORTIONS OF THE ROOF INTO SOME NEARBY POWER LINES. THE  
TORNADO CROSSED HIGHWAY 1 SNAPPING AND UPROOTING SEVERAL MORE  
TREES, AND MOVED OVER HEAVILY WOODED AREAS NEAR SOUTH LAND AVENUE  
WHERE ADDITIONAL LARGE BRANCHES WERE DOWNED. THE TORNADO CROSSED  
HIGHWAY 538 AND TEXACO ROAD WHERE SEVERAL PINE TREES WERE UPROOTED.  
THE TORNADO MOVED BACK OVER HEAVILY WOODED AREAS BEFORE LIFTING  
WEST OF HART ROAD.  
   
TORNADO # 5 NORTHERN CADDO PARISH SOUTHWEST OF GILLIAM LA
 
 
RATING: EF-1  
ESTIMATED PEAK WIND: 95-105 MPH  
PATH LENGTH /STATUTE/: 0.80 MILES  
PATH WIDTH /MAXIMUM/: 110 YARDS  
FATALITIES: 0  
INJURIES: 0  
 
START DATE: MAY 11 2017  
START TIME: 831 PM CDT  
START LOCATION: 3 MILES SOUTHWEST OF GILLIAM  
START LAT/LON: 32.7976 / -93.8878  
 
END DATE: MAY 11 2017  
END TIME: 834 PM CDT  
END LOCATION: 3 MILES SOUTHWEST OF GILLIAM  
END_LAT/LON: 32.7963 / -93.8748  
 
SURVEY_SUMMARY: THIS TORNADO TOUCHED DOWN JUST WEST OF A RIDGE ON  
THE WEST SIDE OF INTERSTATE 49 JUST NORTH OF BLACK BAYOU, WHERE  
SEVERAL TREES WERE SNAPPED, WITH ONE OF THE TREES FALLING ON POWER  
LINES. THE TORNADO CROSSED INTERSTATE 49 SNAPPING ADDITIONAL TREES  
ADJACENT TO THE NORTHBOUND LANE, AND MOVED OVER HEAVILY WOODED  
AREAS AND BLACK BAYOU BEFORE LIFTING ALONG GAMM ROAD ABOUT ONE-THIRD  
OF A MILE SOUTH OF HERNDON MAGNET SCHOOL.  
   
TORNADO # 6 GARRISON TORNADO IN NACOGDOCHES AND RUSK COUNTY TX
 
 
RATING: EF-2  
ESTIMATED PEAK WIND: 120-130 MPH  
PATH LENGTH /STATUTE/: 4.61 MILES  
PATH WIDTH /MAXIMUM/: 800 YARDS  
FATALITIES: 0  
INJURIES: 0  
 
START DATE: MAY 11 2017  
START TIME: 833 PM CDT  
START LOCATION: 1 MILE SW OF GARRISON  
START LAT/LON: 31.8149 / -94.4989  
 
END DATE: MAY 11 2017  
END TIME: 845 PM CDT  
END LOCATION: 4 MILES WSW OF TIMPSON  
END_LAT/LON: 31.8893 / -94.4547  
 
SURVEY_SUMMARY: THE GARRISON AREA OF NACOGDOCHES COUNTY SUSTAINED  
SIGNIFICANT WIND AND TORNADO DAMAGE RELATED TO THIS THUNDERSTORM.  
THE EF2 TORNADO TOUCHED DOWN SOUTHWEST OF GARRISON ALONG HIGHWAY  
59, BEFORE MOVING THROUGH DOWNTOWN GARRISON. SEVERAL BUSINESSES  
ALONG HIGHWAY 59 SUSTAINED ROOF DAMAGE, INCLUDING WHAT HAD ONCE  
BEEN A DENTIST OFFICE, A BANK, AND WHAT APPEARED TO BE AN AUTO  
REPAIR SHOP. THE DENTIST OFFICE WAS PARTICULARLY HARD HIT, RATING  
THIS STORM AN EF2, WITH A SECTION OF THE ROOF REMOVED. THE AUTO  
SHOP ROOF LIFTED AND WAS DEPOSITED IN THE BANK'S PARKING LOT. THE  
AUTO SHOP ALSO HAD TWO OUTER CINDER BLOCK WALLS COLLAPSE AS A  
RESULT OF THE ROOF TEARING OFF, WHICH RATED THE STORM AN EF2. A  
SECONDARY AREA OF EF2 DAMAGE OCCURRED IN THE SOUTHEAST CORNER OF  
RUSK COUNTY ALONG HIGHWAY 59, WHERE THE TORNADO TORE THROUGH A  
CHICKEN FARM, DESTROYING ONE CHICKEN COOP WITH ALL CHICKENS LOST AND  
DAMAGING 5 OTHERS. THE TORNADO ALSO SNAPPED SEVERAL POWER POLES  
IN THIS AREA. THE TORNADO LIFTED JUST BEYOND COUNTY ROAD 4759.  
SEVERAL HOMES SUSTAINED ROOF DAMAGE FROM SNAPPED OR UPROOTED  
TREES, AND AT LEAST 20 OUTBUILDINGS WERE DAMAGED OR DESTROYED.  
 
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.  
 

 
 
PALMER/HANSFORD  
 
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