Tropical Storm Imelda Forms; Another Round of Heavy Rain and Potential Flooding in the Southwest

Tropical Storm Imelda has formed near the Bahamas Sunday afternoon, and continues to bring heavy rainfall. The risk of significant wind impacts from Imelda along the Southeast coast are decreasing. Another round of showers and storms with a heavy rain and flash flood threat will continue in the Southwest through Monday morning. Read More >

Overview

Multiple supercell thunderstorms produced a total of 7 tornadoes across central Indiana on August 24. Four additional tornadoes were reported in northern Indiana. Significant damage occurred in Kokomo, where 20 people suffered injuries. There were no fatalities from this event.

The 7 tornadoes ratings were: 1 EF-3, 1 EF-2, 2 EF-1 and 3 EF-0.

Radar and Velocity Image of Kokomo Tornado

Tornado
Radar
Environment

Tornadoes: (Text listing of all tornadoes)

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Path: Points:

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Tornado #1 - South of Crawfordsville
Montgomery County

Date	August 24, 2016
Time (Local)	2:38 - 2:48 PM EDT
EF Rating	EF-2
Est. Peak Winds	120 mph
Path Length	5.38 miles
Max Width	125 yards
Injuries/Deaths	0
Summary: The tornado largely tracked over open country. Major damage to homes and barns occurred near Linnsburg. Numerous trees damaged.

Track Map


Radar/Velocity Image at 2:44 PM EDT	Correlation Coefficient/Velocity Image at 2:44 PM EDT	Photo of Damage

Tornado #2 - Kokomo
Howard County

Date	August 24, 2016
Time (Local)	3:20 - 3:34 PM EDT
EF Rating	EF-3
Est. Peak Winds	152 mph
Path Length	8.78 miles
Max Width	300 yards
Injuries/Deaths	20 injuries
Summary: Significant structural damage to homes and businesses across the south side of Kokomo. Starbucks destroyed near Markland Mall.

Track Map


Radar/Velocity Image at 3:25 PM EDT	Correlation Coefficient/Velocity Image at 3:25 PM EDT	Damage Photo	Damage Photo


Damage Photo	Damage Photo	Damage Photo

Tornado #3 - Indianapolis
Marion County

Date	August 24, 2016
Time (Local)	4:18 - 4:19 PM EDT
EF Rating	EF-0
Est. Peak Winds	80 mph
Path Length	0.37 miles
Max Width	100 yards
Injuries/Deaths	0
Summary: Windows blown out of a home near the intersection of 25th and LaSalle Streets. Roof damage to a building on Stanton Street.

Track Map

Radar/Velocity Image at 4:18 PM EDT

Tornado #4 - Near Flora to Near Kokomo
Carroll and Howard Counties

Date	August 24, 2016
Time (Local)	5:40 - 6:42 PM EDT
EF Rating	EF-1
Est. Peak Winds	100 mph
Path Length	17.24 miles
Max Width	100 yards
Injuries/Deaths	0
Summary: Several barns sustained partial wall and roof damage. One garage slid off its foundation. Tree damage throughout the path.

Track Map


Radar and Velocity Image at 5:54 PM EDT	Correlation Coefficient and Velocity Image at 5:54 PM EDT	Damage Photo	Damage Photo

Tornado #5 - Near Russiaville
Howard County

Date	August 24, 2016
Time (Local)	7:00-7:02 PM EDT
EF Rating	EF-1
Est. Peak Winds	85 mph
Path Length	1.51 miles
Max Width	50 yards
Injuries/Deaths	0
Summary: The tornado largely tracked over open country. One garage was damaged. Trees and crops sustained damage throughout the path.

Track Map


Radar/Velocity Image at 7:01 PM EDT	Correlation Coefficient/Velocity Image at 7:01 PM EDT	Damage Photo

Tornado #6 - South of Kokomo
Howard County

Date	August 24, 2016
Time (Local)	7:16-7:21 PM EDT
EF Rating	EF-0
Est. Peak Winds	75 mph
Path Length	2.96 miles
Max Width	50 yards
Injuries/Deaths	0
Summary: Tornado bent a road sign, damaged a billboard, and damaged trees.

Track Map

Radar/Velocity Image at 7:19 PM EDT

Tornado #7 - Indian Heights (near Kokomo)
Howard County

Date	August 24, 2016
Time (Local)	6:58-7:00 PM EDT
EF Rating	EF-0
Est. Peak Winds	80 mph
Path Length	0.7 miles
Max Width	75 yards
Injuries/Deaths	0
Summary: Tornado touched down on the north side of Indian Heights, damaging homes and trees.

Track Map

Radar/Storm Relative Velocity Image at 6:58 PM EDT

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

Radar:

Radar Loop & Rotation Tracks

Radar Animation (every 15 minutes from 2:35 PM to 7:20 PM EDT)

Rotation Tracks Map courtesy of NSSL. Note: These do not indicate tornadoes, but serve as a guide to where damage may occur.

Environment

An upper level wave combined with surface boundaries produced the thunderstorms across the area.


Surface Map at 5 PM EDT	12Z Sounding from ILX	00Z Sounding from ILN

3:00 PM Environmental Parameters.


Mixed Layer CAPE	Supercell Parameter	Significant Tornado Paramter

LCL/0-1km Shear

5:00 PM Environmental Parameters.


Mixed Layer Cape	Supercell Parameter	Significant Tornado Parameter

LCL/0-1 km Shear

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Tropical Storm Imelda Forms; Another Round of Heavy Rain and Potential Flooding in the Southwest

Tornadoes of August 24