Gusty winds and heavy rainfall may impact the Big Island of Hawaii as a nearby tropical system passes west of the islands. From the Southwest U.S., Rockies and across the Gulf Coast, heavy rainfall could lead to isolated flash flooding. Severe thunderstorms are expected for areas of the Plains, Gulf Coast and Southeast through Tuesday. Extreme heat lingers for the southern Plains and Southwest. Read More >
Overview
A severe weather outbreak occurred during the evening hours of April 8th. A line of severe thunderstorms moved through central Indiana intitially causing large and damaging winds. As the storm progressed, the hail threat gradually decreased with wind speeds rapidly increasing. In addition to widespread 60 to 70 mph winds, the line had several mesovortices that lead to areas of enhanced winds up to 90 mph and produced an EF-1 tornado in Mooresville, INTornadoes:
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Tornado - Mooresville
Track Map  
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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 |
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Photos & Video
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| Damage in Vincennes Courtesy of Sun Commercial Newspaper | Damage in Rush County Courtesy of Rush County EMA | Damage in Rush County Courtesy of Rush County EMA | Hail near Knightstown Courtesy of Josh Shelton |
Radar
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| Radar Image at 8 PM EDT | Radar Image at 9 PM EDT | Radar Image at 10 PM EDT | Maximum Estimated Hail Size |
Storm Reports
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
905 AM EDT FRI APR 10 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0705 PM HAIL WILLIAMSPORT TO ATTICA 40.29N 87.29W
04/08/2020 E1.00 INCH WARREN IN PUBLIC
TWITTER REPORTS OF HAIL ACCUMULATION ON
GRASSY SURFACES FROM 7:05-7:15 PM EDT.
0711 PM HAIL ATTICA 40.29N 87.25W
04/08/2020 U0.50 INCH FOUNTAIN IN PUBLIC
REPORT FROM MPING: HALF-INCH (0.50 IN.).
0715 PM HAIL WEST LEBANON 40.28N 87.38W
04/08/2020 E1.00 INCH WARREN IN PUBLIC
TWITTER REPORT.
0732 PM HAIL WINGATE 40.17N 87.07W
04/08/2020 E1.00 INCH MONTGOMERY IN TRAINED SPOTTER
PICTURE RECEIEVED VIA FACEBOOK. TIME
ESTIMATED FROM RADAR.
0735 PM TSTM WND DMG 1 WNW BATTLE GROUND 40.52N 86.86W
04/08/2020 TIPPECANOE IN PUBLIC
LARGE TREE OVER DRIVEWAY. RELAYED VIA MEDIA.
0740 PM TSTM WND DMG DELPHI 40.59N 86.67W
04/08/2020 CARROLL IN EMERGENCY MNGR
TREES AND POWER LINES DOWN THROUGH COUNTY.
TIME ESTIMATED FROM RADAR.
0800 PM TSTM WND GST ROCKVILLE 39.77N 87.23W
04/08/2020 M50 MPH PARKE IN TRAINED SPOTTER
0800 PM TSTM WND GST THORNTOWN 40.13N 86.61W
04/08/2020 E75 MPH BOONE IN TRAINED SPOTTER
0801 PM HAIL 2 SW LEBANON 40.03N 86.50W
04/08/2020 E0.25 INCH BOONE IN PUBLIC
TWITTER REPORT.
0803 PM TSTM WND DMG 2 W LEBANON 40.05N 86.52W
04/08/2020 BOONE IN EMERGENCY MNGR
SEMI-TRAILER BLEW OVER. TIME ESTIMATED FROM
RADAR.
0803 PM TSTM WND DMG LEBANON 40.05N 86.47W
04/08/2020 BOONE IN EMERGENCY MNGR
TREE DAMAGE THROUGH COUNTY. TIME ESTIMATED
FROM RADAR.
0803 PM TSTM WND DMG ELIZAVILLE 40.13N 86.38W
04/08/2020 BOONE IN EMERGENCY MNGR
2 REPORTS OF MINOR STRUCTURE DAMAGE. TIME
ESTIMATED FROM RADAR.
0808 PM TSTM WND DMG 4 W UNIVERSAL 39.61N 87.52W
04/08/2020 VIGO IN PUBLIC
CORRECTS PREVIOUS TSTM WND DMG REPORT FROM 4
W UNIVERSAL. REPORT FROM MPING: 3-INCH TREE
LIMBS BROKEN; POWER POLES BROKEN.
0808 PM HAIL THORNTOWN 40.13N 86.61W
04/08/2020 E1.00 INCH BOONE IN PUBLIC
0814 PM TSTM WND DMG 1 N NORTH TERRE HAUTE 39.55N 87.36W
04/08/2020 VIGO IN PUBLIC
POWER OUTAGES.
0815 PM TSTM WND GST 1 NE UNIVERSAL 39.63N 87.44W
04/08/2020 M65 MPH VERMILLION IN PUBLIC
MULTIPLE POWER POLES DOWN.
0815 PM TSTM WND DMG CLINTON 39.66N 87.40W
04/08/2020 VERMILLION IN PUBLIC
TWITTER REPORT AND PICTURE OF TREES AND
POWER LINES DOWN.
0817 PM HAIL WEST TERRE HAUTE 39.47N 87.45W
04/08/2020 E0.70 INCH VIGO IN PUBLIC
0822 PM TSTM WND GST 1 ESE GREENCASTLE 39.63N 86.82W
04/08/2020 M76 MPH PUTNAM IN AWOS
CORRECTS TIMING ON PREVIOUS TSTM WND GST
REPORT FROM 1 ESE GREENCASTLE. AWOS STATION
KGPC GREENCASTLE.
0825 PM TSTM WND DMG 1 NE NORTH TERRE HAUTE 39.55N 87.35W
04/08/2020 VIGO IN PUBLIC
REPORT FROM MPING: 3-INCH TREE LIMBS BROKEN;
POWER POLES BROKEN.
0825 PM HAIL 2 S WHITESTOWN 39.96N 86.35W
04/08/2020 U0.50 INCH BOONE IN PUBLIC
REPORT FROM MPING: HALF-INCH (0.50 IN.).
0828 PM TSTM WND DMG 3 SW THORNTOWN 40.09N 86.63W
04/08/2020 BOONE IN PUBLIC
REPORT FROM MPING: 1-INCH TREE LIMBS BROKEN;
SHINGLES BLOWN OFF.
0828 PM TSTM WND DMG 2 SE ULEN 40.05N 86.44W
04/08/2020 BOONE IN PUBLIC
REPORT FROM MPING: 3-INCH TREE LIMBS BROKEN;
POWER POLES BROKEN.
0828 PM HAIL 2 NE ZIONSVILLE 39.99N 86.26W
04/08/2020 U0.75 INCH BOONE IN PUBLIC
REPORT FROM MPING: DIME (0.75 IN.).
0829 PM HAIL 1 SW ZIONSVILLE 39.94N 86.28W
04/08/2020 U0.50 INCH BOONE IN PUBLIC
REPORT FROM MPING: HALF-INCH (0.50 IN.).
0830 PM TSTM WND DMG DANVILLE 39.76N 86.53W
04/08/2020 HENDRICKS IN EMERGENCY MNGR
TREES AND POWER LINES DOWN THROUGH THE
COUNTY. TIME ESTIMATED FROM RADAR.
0830 PM HAIL 2 N CARMEL 40.00N 86.10W
04/08/2020 E1.00 INCH HAMILTON IN PUBLIC
0832 PM HAIL 4 W WESTFIELD 40.02N 86.21W
04/08/2020 E0.50 INCH HAMILTON IN PUBLIC
0833 PM TSTM WND GST 1 N NORTH TERRE HAUTE 39.55N 87.36W
04/08/2020 E63 MPH VIGO IN EMERGENCY MNGR
0833 PM HAIL 3 N ZIONSVILLE 40.00N 86.26W
04/08/2020 U0.75 INCH BOONE IN PUBLIC
REPORT FROM MPING: DIME (0.75 IN.).
0834 PM HAIL 3 W WESTFIELD 40.04N 86.18W
04/08/2020 U0.50 INCH HAMILTON IN PUBLIC
REPORT FROM MPING: HALF-INCH (0.50 IN.).
0834 PM HAIL 3 SW WESTFIELD 40.01N 86.16W
04/08/2020 E0.88 INCH HAMILTON IN PUBLIC
0834 PM HAIL 2 S WHITESTOWN 39.97N 86.34W
04/08/2020 U0.50 INCH BOONE IN PUBLIC
REPORT FROM MPING: HALF-INCH (0.50 IN.).
0835 PM TSTM WND DMG 4 SE CLAYTON 39.64N 86.48W
04/08/2020 HENDRICKS IN PUBLIC
CORRECTS PREVIOUS TSTM WND DMG REPORT FROM 4
SE CLAYTON. REPORT FROM MPING: 3-INCH TREE
LIMBS BROKEN; POWER POLES BROKEN.
0837 PM HAIL 3 W WILLIAMS CREEK 39.91N 86.19W
04/08/2020 U0.75 INCH MARION IN PUBLIC
REPORT FROM MPING: DIME (0.75 IN.).
0838 PM TSTM WND DMG 1 W PLAINFIELD 39.71N 86.41W
04/08/2020 HENDRICKS IN PUBLIC
REPORT FROM MPING: 1-INCH TREE LIMBS BROKEN;
SHINGLES BLOWN OFF.
0838 PM TSTM WND DMG 2 ENE PLAINFIELD 39.71N 86.35W
04/08/2020 HENDRICKS IN PUBLIC
CORRECTS PREVIOUS TSTM WND DMG REPORT FROM 2
ENE PLAINFIELD. TREE, OVER 12 INCHES IN
DIAMETER, TRUNK SNAPPED NEAR PERRY CROSSING.
0838 PM TSTM WND DMG 1 N PLAINFIELD 39.71N 86.39W
04/08/2020 HENDRICKS IN PUBLIC
CORRECTS PREVIOUS TSTM WND DMG REPORT FROM 1
N PLAINFIELD. REPORT FROM MPING: TREES
UPROOTED OR SNAPPED; ROOF BLOWN OFF.
0839 PM TSTM WND DMG 1 SSW WESTFIELD 40.03N 86.14W
04/08/2020 HAMILTON IN EMERGENCY MNGR
POWER LINES DOWN NEAR 171ST ST AND SR32.
0839 PM HAIL 2 W WILLIAMS CREEK 39.91N 86.18W
04/08/2020 U0.75 INCH MARION IN PUBLIC
REPORT FROM MPING: DIME (0.75 IN.).
0839 PM HAIL CARMEL 39.97N 86.11W
04/08/2020 U0.75 INCH HAMILTON IN PUBLIC
REPORT FROM MPING: DIME (0.75 IN.).
0840 PM TSTM WND DMG INDIANAPOLIS INT'L AIRP 39.72N 86.29W
04/08/2020 MARION IN EMERGENCY MNGR
200 FEET OF FENCE BLOWN DOWN. ROAD SIGNS
BLOWN DOWN. TIME ESTIMATED FROM RADAR.
0840 PM HAIL 2 W WILLIAMS CREEK 39.91N 86.19W
04/08/2020 U0.50 INCH MARION IN PUBLIC
REPORT FROM MPING: HALF-INCH (0.50 IN.).
0840 PM HAIL 1 SW MCCORDSVILLE 39.89N 85.94W
04/08/2020 E0.50 INCH MARION IN PUBLIC
0842 PM TSTM WND DMG MOORESVILLE 39.62N 86.37W
04/08/2020 MORGAN IN PUBLIC
TWITTER REPORT WITH PICTURES OF THE TOP
FLOOR OF A BUSINESS DESTROYED IN DOWNTOWN
MOORESVILLE. TIME ESTIMATED FROM RADAR.
0842 PM HAIL 1 NW CASTLETON 39.92N 86.07W
04/08/2020 E0.25 INCH MARION IN PUBLIC
0842 PM HAIL 2 N FISHERS 39.99N 86.01W
04/08/2020 U0.75 INCH HAMILTON IN PUBLIC
REPORT FROM MPING: DIME (0.75 IN.).
0842 PM HAIL 2 SE NOBLESVILLE 40.03N 86.00W
04/08/2020 U0.50 INCH HAMILTON IN PUBLIC
REPORT FROM MPING: HALF-INCH (0.50 IN.).
0843 PM TSTM WND DMG 2 NNE FISHERS 39.98N 86.00W
04/08/2020 HAMILTON IN PUBLIC
TWITTER REPORT AND PICTURE OF STRUCTURAL
DAMAGE TO THE CVS ON 131ST ST AND SR37.
0843 PM HAIL 2 N CASTLETON 39.93N 86.06W
04/08/2020 U0.75 INCH HAMILTON IN PUBLIC
REPORT FROM MPING: DIME (0.75 IN.).
0844 PM TSTM WND GST 3 S MONUMENT CIRCLE 39.73N 86.16W
04/08/2020 M62 MPH MARION IN PUBLIC
0844 PM HAIL 1 NE CASTLETON 39.92N 86.04W
04/08/2020 U0.50 INCH MARION IN PUBLIC
REPORT FROM MPING: HALF-INCH (0.50 IN.).
0844 PM HAIL 1 N FISHERS 39.97N 86.03W
04/08/2020 U0.75 INCH HAMILTON IN PUBLIC
REPORT FROM MPING: DIME (0.75 IN.).
0844 PM HAIL 4 SW WESTFIELD 40.00N 86.18W
04/08/2020 E0.70 INCH HAMILTON IN PUBLIC
TWITTER.
0844 PM HAIL 1 NE FISHERS 39.96N 86.02W
04/08/2020 U0.50 INCH HAMILTON IN PUBLIC
REPORT FROM MPING: HALF-INCH (0.50 IN.).
0845 PM TSTM WND DMG 4 NE CAMBY 39.67N 86.25W
04/08/2020 MARION IN PUBLIC
POSSIBLE TORNADO. CORRECTS PREVIOUS TORNADO
REPORT FROM 4 NE CAMBY. OBSERVED FROM MANN
RD AND MILLS IN 46221. LOOKING MOSTLY WEST
AND SLIGHTLY NORTH. IT THREW MY DAUGHTERS
BICYCLE INTO OUR GARAGE DOOR.
0845 PM TSTM WND DMG NOBLESVILLE 40.06N 86.03W
04/08/2020 HAMILTON IN EMERGENCY MNGR
HAMILTON COUNTY EM REPORTED 30K POWER
OUTAGES AND WIDESPREAD WIND DAMAGE ACROSS
THE COUNTY FROM THE STORMS LAST NIGHT. RADAR
ESTIMATED TIME 8:25 PM THROUGH 8:45 PM EDT.
0845 PM TSTM WND DMG SULLIVAN 39.09N 87.41W
04/08/2020 SULLIVAN IN TRAINED SPOTTER
CORRECTS PREVIOUS TSTM WND DMG REPORT FROM
SULLIVAN. POWER LINES DOWN OVER SULLIVAN
COUNTY.
0845 PM HAIL 2 W WILLIAMS CREEK 39.91N 86.19W
04/08/2020 E0.25 INCH MARION IN PUBLIC
0845 PM HAIL BROAD RIPPLE 39.87N 86.13W
04/08/2020 U0.50 INCH MARION IN PUBLIC
REPORT FROM MPING: HALF-INCH (0.50 IN.).
0845 PM HAIL 2 W CASTLETON 39.91N 86.09W
04/08/2020 U0.50 INCH MARION IN PUBLIC
REPORT FROM MPING: HALF-INCH (0.50 IN.).
0846 PM TSTM WND GST INDIANAPOLIS INT'L AIRP 39.73N 86.29W
04/08/2020 M71 MPH MARION IN ASOS
0846 PM TSTM WND DMG 3 SW CASTLETON 39.87N 86.07W
04/08/2020 MARION IN PUBLIC
0846 PM HAIL BROAD RIPPLE 39.87N 86.14W
04/08/2020 E0.50 INCH MARION IN PUBLIC
0847 PM TSTM WND DMG MOORESVILLE 39.61N 86.36W
04/08/2020 MORGAN IN EMERGENCY MNGR
DAMAGE TO SEVERAL STRUCTURES IN DOWNTOWN
MOORSEVILLE. DAMAGE SEVERE ENOUGH THAT
BUILDINGS MAY NEED TO BE TORN DOWN. TIME
ESTIMATED FROM RADAR.
0847 PM TSTM WND DMG 2 W FORTVILLE 39.93N 85.88W
04/08/2020 HAMILTON IN PUBLIC
CORRECTS PREVIOUS TSTM WND DMG REPORT FROM 2
W FORTVILLE. REPORT FROM MPING: 1-INCH TREE
LIMBS BROKEN; SHINGLES BLOWN OFF.
0847 PM HAIL 1 NE GEIST RESERVOIR 39.92N 85.98W
04/08/2020 U0.50 INCH MARION IN PUBLIC
REPORT FROM MPING: HALF-INCH (0.50 IN.).
0848 PM TSTM WND DMG 2 SE CASTLETON 39.89N 86.03W
04/08/2020 MARION IN PUBLIC
A TREE LANDED ON A HOUSE JUST EAST OF HAGUE
ROAD IN BETWEEN 75TH AND 71ST STREETS.
TWITTER REPORT.
0848 PM HAIL 2 SE SPRING HILL 39.80N 86.18W
04/08/2020 M0.88 INCH MARION IN PUBLIC
0848 PM HAIL 3 SW CASTLETON 39.87N 86.07W
04/08/2020 E0.25 INCH MARION IN PUBLIC
0849 PM TSTM WND GST 2 SE SPRING HILL 39.80N 86.18W
04/08/2020 M55 MPH MARION IN PUBLIC
0849 PM HAIL 4 NE FISHERS 39.98N 85.96W
04/08/2020 U0.50 INCH HAMILTON IN PUBLIC
REPORT FROM MPING: HALF-INCH (0.50 IN.).
0850 PM TSTM WND DMG 3 S CENTERTON 39.47N 86.40W
04/08/2020 MORGAN IN PUBLIC
REPORT FROM MPING: 1-INCH TREE LIMBS BROKEN;
SHINGLES BLOWN OFF.
0850 PM TSTM WND DMG 1 N WARREN PARK 39.79N 86.05W
04/08/2020 MARION IN PUBLIC
REPORT FROM MPING: 1-INCH TREE LIMBS BROKEN;
SHINGLES BLOWN OFF, RADAR ESTIMATED TIME.
0852 PM TSTM WND DMG 1 SSW FRANKLIN 39.48N 86.06W
04/08/2020 JOHNSON IN EMERGENCY MNGR
ROOF OFF OF BUILDING AT 90 EAST JEFFERSON.
PARTIAL COLLAPSE OF HOMES AT 1001 N HOME
AVE. DAMAGE TO STEEPLE AND CHURCH AT 100 E
MADISON. TREES AND POWER LINES DOWN THROUGH
THE COUNTY. BARN FIRE DUE TO LIGHTNING
TRANSFORMERS BLOWN TIME ESTIMATED FROM
RADAR.
0853 PM TSTM WND DMG 1 NW BEECH GROVE 39.73N 86.10W
04/08/2020 MARION IN PUBLIC
CORRECTS PREVIOUS TSTM WND DMG REPORT FROM 1
NW BEECH GROVE. REPORT FROM MPING: 1-INCH
TREE LIMBS BROKEN; SHINGLES BLOWN OFF.
0856 PM TSTM WND GST 4 SSE MCCORDSVILLE 39.85N 85.91W
04/08/2020 M60 MPH HANCOCK IN ASOS
0856 PM TSTM WND GST LINTON 39.04N 87.16W
04/08/2020 E60 MPH GREENE IN TRAINED SPOTTER
0857 PM TSTM WND DMG 3 NNW OWENSBURG 38.96N 86.75W
04/08/2020 GREENE IN EMERGENCY MNGR
MANY TREES DOWN, SOME SNAPPED WELL ABOVE
GROUND NEAR 4999 AND 5312 SOUTH OWENSBURG
ROAD. TIME ESTIMATED FROM RADAR.
0857 PM TSTM WND DMG 1 NW FREELANDVILLE 38.87N 87.31W
04/08/2020 KNOX IN PUBLIC
CORRECTS PREVIOUS TSTM WND DMG REPORT FROM 1
NW FREELANDVILLE. REPORT FROM MPING: 1-INCH
TREE LIMBS BROKEN; SHINGLES BLOWN OFF.
0857 PM TSTM WND DMG 4 WSW GREENWOOD 39.59N 86.19W
04/08/2020 JOHNSON IN EMERGENCY MNGR
CORRECTS PREVIOUS TSTM WND DMG REPORT FROM 4
WSW GREENWOOD. PART OF ROOF BLOWN OFF NEAR
CR850 N AND SOUTH PADDOCK RD.
0857 PM TSTM WND DMG 5 W GREENWOOD 39.61N 86.21W
04/08/2020 JOHNSON IN PUBLIC
CORRECTS PREVIOUS TSTM WND DMG REPORT FROM 5
W GREENWOOD. REPORT FROM MPING: 1-INCH TREE
LIMBS BROKEN; SHINGLES BLOWN OFF.
0858 PM HAIL 2 E SPRING LAKE 39.78N 85.83W
04/08/2020 U0.75 INCH HANCOCK IN PUBLIC
REPORT FROM MPING: DIME (0.75 IN.).
0859 PM TSTM WND GST 1 NE VINCENNES UNIVERSI 38.69N 87.51W
04/08/2020 M70 MPH KNOX IN TRAINED SPOTTER
POWER FLASHES NEAR 6TH ST.
0859 PM TSTM WND DMG VINCENNES 38.68N 87.51W
04/08/2020 KNOX IN EMERGENCY MNGR
CORRECTS PREVIOUS TSTM WND DMG REPORT FROM
VINCENNES. MULTIPLE REPORTS OF STRUCTURAL
AND TREE DAMAGE IN VARIOUS LOCATIONS IN
VINCENNES.
0900 PM TSTM WND DMG 1 NE VINCENNES 38.68N 87.50W
04/08/2020 KNOX IN EMERGENCY MNGR
TREES DOWN AND DEBRIS ON ROADS. USING
SNOWPLOWS TO CLEAR. TIME ESTIMATED FROM
RADAR.
0902 PM TSTM WND DMG ANDERSON 40.10N 85.69W
04/08/2020 MADISON IN EMERGENCY MNGR
POWER OUTAGES ALL OVER CENTRAL AND SOUTHERN
MADISON COUNTY.
0905 PM TSTM WND DMG 1 S FRANKLIN 39.48N 86.05W
04/08/2020 JOHNSON IN PUBLIC
TWITTER PICTURE OF ROOF DAMAGE TO JEFFERSON
ST PUB.
0905 PM TSTM WND DMG 5 W CHARLOTTESVILLE 39.82N 85.69W
04/08/2020 HANCOCK IN PUBLIC
GUYED TOWER WITH A SMALL WIND TURBINE AT A
PRIVATE RESIDENCE COLLAPSED. (NO INJURIES).
SHINGLES TORN FROM ROOF.
0905 PM HAIL 2 NE BROAD RIPPLE 39.88N 86.09W
04/08/2020 U0.50 INCH MARION IN PUBLIC
REPORT FROM MPING: HALF-INCH (0.50 IN.).
0906 PM TSTM WND DMG 2 W GREENFIELD 39.79N 85.80W
04/08/2020 HANCOCK IN PUBLIC
REPORT FROM MPING: 1-INCH TREE LIMBS BROKEN;
SHINGLES BLOWN OFF.
0908 PM TSTM WND DMG SHELBYVILLE 39.52N 85.78W
04/08/2020 SHELBY IN EMERGENCY MNGR
NUMEROUS TREES AND POWER LIENS DOWN IN
SHELBYVILLE AND THROUGH THE COUNTY. TIME
ESTIMATED FROM RADAR.
0909 PM TSTM WND GST BICKNELL 38.78N 87.31W
04/08/2020 E70 MPH KNOX IN EMERGENCY MNGR
0909 PM TSTM WND DMG MCCORMICKS CREEK STATE 39.29N 86.76W
04/08/2020 OWEN IN PUBLIC
TREES DOWN. POSSIBLE TORNADO. CORRECTS
PREVIOUS TORNADO REPORT FROM MCCORMICKS
CREEK STATE PARK.
0909 PM TSTM WND DMG 2 SSW VINCENNES 38.65N 87.53W
04/08/2020 KNOX IN EMERGENCY MNGR
SEMI BLOWN OFF ROAD.
0910 PM TSTM WND DMG KNIGHTSTOWN 39.80N 85.53W
04/08/2020 HENRY IN PUBLIC
TWITTER REPORT AND PICTURE OF A TREE ON A
CAR.
0910 PM TSTM WND DMG GREENFIELD 39.80N 85.77W
04/08/2020 HANCOCK IN PUBLIC
TWITTER REPORT AND PICTURE OF A TREE FALLING
ON HOUSE AND DAMAGING THE ROOF AND CHIMNEY.
0911 PM TSTM WND GST RUSHVILLE 39.61N 85.44W
04/08/2020 M68 MPH RUSH IN EMERGENCY MNGR
WIDESPREAD POWER OUTAGES ACROSS THE COUNTY.
TIME ESTIMATED FROM RADAR.
0911 PM TSTM WND DMG 1 SW SOUTHPORT 39.64N 86.12W
04/08/2020 MARION IN PUBLIC
REPORT FROM MPING: 1-INCH TREE LIMBS BROKEN;
SHINGLES BLOWN OFF.
0911 PM TSTM WND DMG 1 NW NEW CASTLE 39.93N 85.38W
04/08/2020 HENRY IN EMERGENCY MNGR
BARN WITH METAL SIDING BLOWN DOWN. POWER
LINES AND TREES DOWN WITHIN THE COUNTY. TIME
ESTIMATED FROM RADAR.
0911 PM HAIL 2 SSW MAYS 39.71N 85.44W
04/08/2020 E1.00 INCH RUSH IN EMERGENCY MNGR
TIME ESTIMATED FROM RADAR.
0913 PM TSTM WND DMG 4 SE INDIANAPOLIS INT'L 39.68N 86.25W
04/08/2020 MARION IN PUBLIC
REPORT FROM MPING: TREES UPROOTED OR
SNAPPED; ROOF BLOWN OFF.
0913 PM HAIL 4 S WHITEHALL 39.11N 86.58W
04/08/2020 U0.50 INCH MONROE IN PUBLIC
REPORT FROM MPING: HALF-INCH (0.50 IN.).
0915 PM TSTM WND DMG 2 N BARGERSVILLE 39.55N 86.16W
04/08/2020 JOHNSON IN PUBLIC
REPORT FROM MPING: 1-INCH TREE LIMBS BROKEN;
SHINGLES BLOWN OFF.
0916 PM TSTM WND GST EDINBURGH 39.36N 85.97W
04/08/2020 M65 MPH JOHNSON IN TRAINED SPOTTER
0918 PM TSTM WND DMG 4 S BRUCEVILLE 38.71N 87.40W
04/08/2020 KNOX IN PUBLIC
REPORT FROM MPING: 3-INCH TREE LIMBS BROKEN;
POWER POLES BROKEN.
0918 PM HAIL 4 S BRUCEVILLE 38.71N 87.40W
04/08/2020 U1.00 INCH KNOX IN PUBLIC
REPORT FROM MPING: QUARTER (1.00 IN.).
0920 PM TSTM WND GST 3 SE ODON 38.81N 86.95W
04/08/2020 M66 MPH DAVIESS IN TRAINED SPOTTER
0920 PM TSTM WND DMG SELMA 40.19N 85.27W
04/08/2020 DELAWARE IN PUBLIC
2 INCH DIAMETER TREE LIMBS DOWN. TIME
ESTIMATED FROM RADAR.
0920 PM HAIL 1 SE BLOOMINGTON 39.15N 86.51W
04/08/2020 M0.25 INCH MONROE IN PUBLIC
VERY SPORADIC FOR ABOUT ONE MINUTE.
0921 PM HAIL BLOOMINGTON 39.17N 86.52W
04/08/2020 NAN INCH MONROE IN AMATEUR RADIO
PLUS POWER OUTAGES.
0922 PM TSTM WND GST RUSHVILLE 39.61N 85.45W
04/08/2020 M68 MPH RUSH IN EMERGENCY MNGR
0924 PM TSTM WND DMG 1 SE SHELBYVILLE 39.51N 85.76W
04/08/2020 SHELBY IN PUBLIC
REPORT FROM MPING: 1-INCH TREE LIMBS BROKEN;
SHINGLES BLOWN OFF.
0925 PM TSTM WND DMG 3 SW WOODVIEW HILLS 39.13N 86.44W
04/08/2020 MONROE IN PUBLIC
POWER FLASHES, SPARKS FROM POLE OUTSIDE
PROPERTY.
0925 PM TSTM WND DMG LOOGOOTEE 38.68N 86.91W
04/08/2020 MARTIN IN EMERGENCY MNGR
THREE HOUSES WITH SIGNIFICANT DAMAGE AND ONE
BUSINESS WITH ROOF DAMAGE. TIME ESTIMATED BY
RADAR.
0927 PM TSTM WND DMG EDINBURGH 39.35N 85.96W
04/08/2020 JOHNSON IN PUBLIC
REPORT FROM MPING: 1-INCH TREE LIMBS BROKEN;
SHINGLES BLOWN OFF.
0930 PM TSTM WND DMG SHOALS 38.67N 86.79W
04/08/2020 MARTIN IN EMERGENCY MNGR
TRAILER HOME ROLLED BY WIND. TIME ESTIMATED
BY RADAR.
0931 PM TSTM WND GST 4 E SILVERVILLE 38.86N 86.59W
04/08/2020 M77 MPH LAWRENCE IN PUBLIC
CORRECTS PREVIOUS TSTM WND GST REPORT FROM 4
E SILVERVILLE. SIGNIFICANT DAMAGE IN
FAYETTEVILLE. POWER LINES ARE DOWN, ROOFS
BADLY DAMAGED, AND LARGE TREES ARE DOWN.
METAL CHIMNEY AT THE INDIAN CREEK VOLUNTEER
FIRE DEPARTMENT IS BENT. PERSONAL WEATHER
STATION RECORDED 77 MPH WINDS.
0934 PM TSTM WND DMG RUSHVILLE 39.62N 85.45W
04/08/2020 RUSH IN EMERGENCY MNGR
MULTIPLE REPORTS TREE LIMBS DOWN ACROSS THE
COUNTY.
0937 PM HAIL 3 SW WOODVIEW HILLS 39.13N 86.44W
04/08/2020 E1.25 INCH MONROE IN PUBLIC
WILL NOT APPEAR IN PRODUCTS. QUARTER TO HALF
DOLLAR SIZE HAIL WITH MODERATE GROUND
COVERAGE WITH SECOND STORM.
0942 PM HAIL 1 S GLENWOOD 39.61N 85.30W
04/08/2020 U0.50 INCH RUSH IN PUBLIC
REPORT FROM MPING: HALF-INCH (0.50 IN.).
0945 PM TSTM WND DMG 2 NNE WESTPORT 39.20N 85.56W
04/08/2020 DECATUR IN EMERGENCY MNGR
HOUSE WITH HALF ROOF REMOVED AND BARN WITH
DAMAGE. TIME ESTIMATED FROM RADAR.
0948 PM TSTM WND DMG 1 E NORTH VERNON 39.01N 85.62W
04/08/2020 JENNINGS IN PUBLIC
EXTENSIVE TREE DAMAGE REPORTED VIA FACEBOOK.
TIME ESTIMATED FROM RADAR.
1009 PM LIGHTNING BARGERSVILLE 39.52N 86.17W
04/08/2020 JOHNSON IN FIRE DEPT/RESCUE
SEVERAL JOHNSON COUNTY FIRE DEPARTMENTS
WORKING ON 2 FIRES IN SOUTHERN JOHNSON
COUNTY.
Environment
A very favorable environment was in place during the evening hours of April 8th. Strong shear and upper level dynamics were in place which allowed for the line of storms to develop and maintain as they crossed through central Indiana even with CAPE values not as high as would be typically seen during a widespread severe weather event. Low level lapse rates were greater than 8.5 C/km ahead of the storms which allowed for efficient mixing down of thunderstorm wind gusts as well as producing large hail. One thing to note is that the 0-1km shear and helicity initially was relatively low before low level turning of the winds brought sufficient Helicity to allow for mesovorticies to form in the line and eventually a tornado.
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| Figure 1: CAPE Values at 8 PM EDT | Figure 2: 0-6km Shear Values at 8 PM EDT | Figure 3: Low Level Lapse Rates at 7 PM |
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| Figure 4: 0-1 km Heliciity at 7 PM | Figure 5: 0-1 km Heliciity at 9 PM | Figure 6: DCAPE values at 9 PM |
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