Tornadoes: (For the interactive map, choose a tornado from the drop-down map or zooml into the map to view. Summaries of each tornado are below the map. A text summary of all tornadoes is available.)

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Tornado - Near Clayton Hendricks County Date August 15, 2016 Time (Local) 5:36 PM - 5:39 PM EDT EF Rating EF-1 Est. Peak Winds 105 mph Path Length 1.83 miles Max Width 500 yards Injuries/Deaths 0 Summary: Minor damage to a few farm buildings; trailer rolled; trees uprooted. Track Map

Radar/ Storm Relative Motion at 5:38 PM EDT

Tornado - Near Battle Ground Tippecanoe County Date August 15, 2016 Time (Local) 5:56 PM - 5:57 PM EDT EF Rating EF-0 Est. Peak Winds 85 mph Path Length 0.51 miles Max Width 40 yards Injuries/Deaths 0 Summary: Several softwood tree trunks snapped; corn mowed down. Track Map

Radar/Storm Relative Velocity at 5:56 PM EDT

Tornado - Near Brownsburg Hendricks County Date August 15, 2016 Time (Local) 6:06 PM - 6:07 PM EDT EF Rating EF-1 Est. Peak Winds 95 mph Path Length 0.42 miles Max Width 100 yards Injuries/Deaths 0 Summary: Several trees uprooted; pontoon boat pushed across the street. Track Map

Radar at 6:07 PM EDT Storm Relative Velocity at 6:07 PM EDT

Tornado - Near Avon Hendricks County Date August 15, 2016 Time (Local) 6:15 PM EDT EF Rating EF-1 Est. Peak Winds 95 mph Path Length Brief Touchdown Max Width 50 yards Injuries/Deaths 0 Summary: Tree trunk snapped. Track Map

Radar/Storm Relative Velocity at 6:14 PM EDT

Tornado - Hendricks/Boone Co. Line Hendricks/Boone Counties Date August 15, 2016 Time (Local) 6:19 PM EDT EF Rating EF-0 Est. Peak Winds 80 mph Path Length Brief Touchdown Max Width 40 yards Injuries/Deaths 0 Summary: House porch pillars removed; tree branches downed Track Map

Radar/Storm Relative Velocity at 6:19 PM EDT

Tornado - Near Whitestown Boone County Date August 15, 2016 Time (Local) 6:27 PM -  6:35 PM EDT EF Rating EF-2 Est. Peak Winds 115 mph Path Length 3.8 miles Max Width 150 yards Injuries/Deaths 0 Summary: Pole barn destroyed. Tree trunks snapped, limbs downed on path. Track Map

Radar at 6:33 PM EDT Storm Relative Velocity at 6:33 PM EDT Storm Damage near Whitestown. (NWS Damage Survey Image) Storm Damage near Whitestown (Used with Permission from Indywx.com) Storm Damage near Whitestown (Used with Permission from Indywx.com)

Tornado - Near Sheridan Hamilton Date August 15, 2016 Time (Local) 7:04 PM - 7:06 PM EDT EF Rating EF-1 Est. Peak Winds 105 mph Path Length 0.42 miles Max Width 100 yards Injuries/Deaths 0 Summary: Several tree trunks snapped along path. Track Map

Radar/Storm Relative Velocity at 7:09 PM EDT Crop Damage from Tornado (NWS Storm Survey Image)

Tornado - Near Greentown Howard County Date August 15, 2016 Time (Local) 8:17 PM - 8:18 PM EDT EF Rating EF-0 Est. Peak Winds 80 mph Path Length 0.12 miles Max Width 50 yards Injuries/Deaths 0 Summary: Farm shed roof partially removed; tree limbs broken. Track Map

Radar/Storm Relative Velocity at 8:15 PM EDT Damage in Howard County (NWS Storm Survey Team)

The Enhanced Fujita (EF) Scale classifies tornadoes into the following categories:

EF0 Weak 65-85 mph	EF1 Moderate 86-110 mph	EF2 Significant 111-135 mph	EF3 Severe 136-165 mph	EF4 Extreme 166-200 mph	EF5 Catastrophic 200+ mph

Photos & Video:

Header

Near Brownsburg (Used with Permission from J. Nield)	Near Boone/Hamilton Co. Line (Used with Permission from J. Nield)	Tipton County (Used with Permission from J. Nield)

Radar:

Additional Images: A loop of radar images for every 10 minutes is available.

Radar Image at 6:33 PM EDT	Storm Relative Velocity Image at 6:33 PM EDT	Correlation Coefficient Image at 6:33 PM EDT	Radar Image at 7:24 PM EDT

Storm Relative Velocity Image at 7:24 PM EDT	Rotation Tracks (1 of 3)	Rotation Tracks (2 of 3)	Rotation Tracks (3 of 3)

Storm Reports

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE INDIANAPOLIS IN

0540 PM     FUNNEL CLOUD     2 S CLAYTON             39.66N  86.52W
08/15/2016                   HENDRICKS          IN   STATE POLICE

0549 PM     FUNNEL CLOUD     2 SE AVON               39.74N  86.36W
08/15/2016                   HENDRICKS          IN   COUNTY OFFICIAL

            OBSERVED NEAR 200 EAST AND US 36 MOVING NORTH. BELIEVED
            TO NOT BE REACHING THE GROUND.

0554 PM     TSTM WND DMG     2 NW AVON               39.78N  86.41W
08/15/2016                   HENDRICKS          IN   AMATEUR RADIO

            MULTIPLE REPORTS OF WIND DAMAGE IN THE AREA OF COUNTY
            ROAD 150 NORTH AND COUNTY ROAD 600 EAST. TIME APPROX AND
            BASED ON RADAR.

0555 PM     FUNNEL CLOUD     2 E DANVILLE            39.76N  86.48W
08/15/2016                   HENDRICKS          IN   LAW ENFORCEMENT

0600 PM     TSTM WND DMG     1 NNE BROWNSBURG        39.85N  86.39W
08/15/2016                   HENDRICKS          IN   AMATEUR RADIO

            TREE LIMBS UP TO ABOUT 1.5 INCHE DOWN. TRAFFIC LIGHT
            DOWN. PICNIC TABLES OVERTURNED. TIME APPROX AND BASED ON
            RADAR.

0600 PM     TSTM WND DMG     3 NW BROWNSBURG         39.87N  86.43W
08/15/2016                   HENDRICKS          IN   AMATEUR RADIO

            TREE LIMBS 6 TO 8 INCHES IN DIAMETER BLOWN DOWN. TIME
            APPROX AND BASED ON RADAR.

0600 PM     TORNADO          2 S BROWNSBURG          39.81N  86.39W
08/15/2016                   HENDRICKS          IN   EMERGENCY MNGR

            TORNADO NEAR COUNTY ROAD 100 NORTH AND STATE ROAD 267
            NEAR BROWNSBURG

0600 PM     FUNNEL CLOUD     3 W BROWNSBURG          39.84N  86.45W
08/15/2016                   HENDRICKS          IN   AMATEUR RADIO

            LOCATION ESTIMATED BASED ON RADAR.

0600 PM     TSTM WND DMG     1 NW BROWNSBURG         39.85N  86.41W
08/15/2016                   HENDRICKS          IN   AMATEUR RADIO

            THREE FOOT DIAMETER LIVE TREE UPROOTED IN THE AREA OF
            WARREN LANE AND HAMMONS DRIVE.

0608 PM     TSTM WND DMG     2 W BROWNSBURG          39.84N  86.43W
08/15/2016                   HENDRICKS          IN   NWS EMPLOYEE

            TREES AND TREE LIMBS DOWN. ONE TREE IS ON ROADWAY.

0608 PM     TORNADO          2 NW BROWNSBURG         39.86N  86.42W
08/15/2016                   HENDRICKS          IN   AMATEUR RADIO

            AMATEUR RADIO RELAYED THE REPORT FROM LAW ENFORCEMENT.

0610 PM     TSTM WND DMG     1 NW BROWNSBURG         39.85N  86.41W
08/15/2016                   HENDRICKS          IN   AMATEUR RADIO

            STORM DEBRIS WEST OF THE BROWNSBURG LOWES...WHICH IS
            LOCATED ON NORTHFIELD DRIVE 1 MILE WEST OF STATE ROAD
            267.

0615 PM     TSTM WND DMG     4 NNW BROWNSBURG        39.90N  86.42W
08/15/2016                   HENDRICKS          IN   PUBLIC

            SEVERAL LARGE TREES DOWN ALONG NORTH COUNTY ROAD 650
            EAST. BEAN FIELD FLATTENED.

0616 PM     TORNADO          AVON                    39.76N  86.38W
08/15/2016                   HENDRICKS          IN   AMATEUR RADIO

            MULTIPLE REPORTS IN THIS AREA OF TORNADO IN PROGRESS.

0620 PM     FUNNEL CLOUD     2 N AVON                39.79N  86.38W
08/15/2016                   HENDRICKS          IN   AMATEUR RADIO

            MULTIPLE REPORTS RECEIVED IN THIS AREA.

0620 PM     TSTM WND DMG     3 SSE WHITESTOWN        39.96N  86.32W
08/15/2016                   BOONE              IN   AMATEUR RADIO

            STORM DAMAGE. TIME APPROX AND BASED ON RADAR.

0622 PM     TSTM WND DMG     3 SSE WHITESTOWN        39.96N  86.32W
08/15/2016                   BOONE              IN   TRAINED SPOTTER

            TREE LIMBS UP TO 6 INCHES IN DIAMETER BLOWN DOWN IN
            VICINITY OF 700 EAST AND 550 SOUTH. TIME APPROX AND
            BASED ON RADAR.

0624 PM     TORNADO          1 SW WHITESTOWN         39.99N  86.36W
08/15/2016                   BOONE              IN   AMATEUR RADIO

            IN AREA OF WALKER FARMS EDITION. TIME APPROXIMATE.

0624 PM     TSTM WND DMG     1 SW WHITESTOWN         39.99N  86.36W
08/15/2016                   BOONE              IN   AMATEUR RADIO

            SIGNIFICANT DEBRIS AND STRUCTURAL DAMAGE IN AREA OF
            COUNTY ROAD 400 SOUTH AND 800 EAST.

0624 PM     TSTM WND DMG     2 SE WHITESTOWN         39.98N  86.32W
08/15/2016                   BOONE              IN   AMATEUR RADIO

            ROAD CLOSED BY FALLEN TREE. POWER OUT IN AREA. TIME
            APPROX AND BASED ON RADAR.

0625 PM     FUNNEL CLOUD     BROWNSBURG              39.84N  86.39W
08/15/2016                   HENDRICKS          IN   TRAINED SPOTTER

            267 AND TINDEN

0625 PM     TSTM WND GST     BROWNSBURG              39.84N  86.39W
08/15/2016  E100 MPH         HENDRICKS          IN   EMERGENCY MNGR

            DHS RELAYED REPORT FROM FIRE MARSHALL OF STRONG
            ROTATION AND DEBRIS IN THE AIR AT STATE ROAD 136 AND
            STATE ROAD 267 THAT LASTED ABOUT 1 MINUTE MOVING NORTH.
            WINDS ESTIMATED 90 TO 100 MPH.

0628 PM     WALL CLOUD       2 N AVON                39.79N  86.38W
08/15/2016                   HENDRICKS          IN   AMATEUR RADIO

0628 PM     TORNADO          4 W BATTLE GROUND       40.51N  86.91W
08/15/2016                   TIPPECANOE         IN   EMERGENCY MNGR

            EXTREMELY WEAK TORNADO CAUSED MINOR TREE AND CROP
            DAMAGE.

0629 PM     FUNNEL CLOUD     4 W ZIONSVILLE          39.95N  86.35W
08/15/2016                   BOONE              IN   AMATEUR RADIO

            RELAYED BY AMATEUR RADIO FROM ZIONSVILLE FIRE STATION
            93. LOCATION IS OF THE FIRE STATION. EXACT LOCATION OF
            FUNNEL UNKNOWN.

0642 PM     TSTM WND DMG     2 SE BROWNSBURG         39.82N  86.37W
08/15/2016                   HENDRICKS          IN   AMATEUR RADIO

            CONSIDERABLE DEBRIS

0649 PM     TSTM WND DMG     3 SSE WHITESTOWN        39.96N  86.32W
08/15/2016                   BOONE              IN   TRAINED SPOTTER

            MANY TREE LIMBS DOWN AND AT LEAST ONE TREE AT 700 EAST
            AND 550 SOUTH

0800 PM     TSTM WND DMG     13 E KOKOMO             40.48N  85.89W
08/15/2016                   HOWARD             IN   TRAINED SPOTTER

            BARN AND CROP DAMAGE NEAR 1350N AND 100E. VIDEO OF
            TORNADO TOUCHING DOWN. TIME IS APPROXIMATE AND MAY NEED
            TO BE ADJUSTED

Environment

Low pressure moving toward the Great Lakes brought a warm front north into central Indiana. Tropical air was across the area, with high levels of moisture. When some instability moved into the area, these ingredients worked together to produce low-topped supercell thunderstorms.

Figure 1: Surface Map and Radar	Figure 2: Sea level pressure, surface temperature and dewpoint at 6 PM EDT	Figure 3: Mixed Layer CAPE at 6 PM EDT

Figure 4: LCL and 0-1km SRH at 6 PM EDT