EF1 Tornado Confirmed In Northern Jasper County From DerechoJuly 2nd, 2014 at 11:53 pm by Chad Evans under Chad's WLFI Weather Blog
NWS Chicago has confirmed one EF1 tornado occurred in the June 30-July 1 derecho in our viewing area.
Embedded in the significant damaging straight-line winds, it appears a tornado (perhaps multiple tornadoes) occurred in northern Jasper County east & northeast of Demotte in an 8-mile path.
Below is image of velocity data as tornado was northeast of Demotte before lifting. At this point, it was still likely as EF1. Velocity data still indicated 95 mph winds at beam level about 4.5 miles northeast of Demotte at this time.
A tornado was also confirmed near Lowell. You can see the signature of it in the second image.
Tornadoes were confirmed in Kankakee & Will counties in Illinois. However, extreme straight-line winds to 100 mph hit Morris, Illinois.
Pics of the tornado damage are courtesy of NWS Chicago:
TORNADO # 5 IN AND NEAR DEMOTTE INDIANA... RATING: EF-1 ESTIMATED PEAK WIND: 100-105 MPH PATH LENGTH /STATUTE/: 8.0 MILES PATH WIDTH /MAXIMUM/: 200 YARDS FATALITIES: NONE INJURIES: NONE START DATE: JUNE 30 2014 START TIME: 1049 PM CDT START LOCATION: 3.3 MILES EAST OF DE MOTTE IN START LAT/LON: 41.1909/-87.2613 END DATE: JUNE 30 2014 END TIME: 1056 PM CDT END LOCATION: 4.9 MILES NORTHEAST OF DE MOTTE IN END LAT/LON: 41.2240/-87.1138 SURVEY SUMMARY:
A 100-200 YARD SWATH OF CONSISTENT TREE DAMAGE...WITH NUMEROUS SNAPPED TREES...BEGAN EAST-SOUTHEAST OF DE MOTTE BETWEEN N CR 1150 W AND N CR 1100 W JUST NORTH OF W CR 1200 N. THE DAMAGE CONTINUED EAST-NORTHEAST JUST TO THE EAST AND THEN THROUGH THE CENTER OF DE MOTTE NORTH OF 9TH STREET. JUST EAST OF DE MOTTE ALONG ORCHID STREET...A BARN WAS COMPLETELY DESTROYED AND DOUBLE WIDE MANUFACTURED HOME EXPERIENCED SOME STRUCTURAL AND/OR ROOF DAMAGE. FURTHER NORTHEAST ALONG W CR 1450 N NEAR THE END OF THE DAMAGE PATH...THERE WERE SNAPPED TREES...WOOD POWER POLES LEANING AND DAMAGE TO TWO FARMSTEADS. ON ONE...THE DOORS COLLAPSED IN A POLE BARN. IN ANOTHER POLE BARN...THE WALLS COLLAPSED AFTER THE ROOF WAS BLOWN OFF. THE DAMAGE IN THIS TORNADO PATH WAS CONSISTENT WITH MAXIMUM SPEEDS OF 100-105 MPH. IT CANNOT BE CONCLUSIVELY RULED OUT THAT MORE THAN ONE TORNADO TOUCHED DOWN ALONG THE 8 MILE LONG DAMAGE PATH.