Overview
An area of thunderstorms moved across central Indiana during the afternoon and early evening of May 16. The storms produced mainly damaging winds, but one storm produced large hail.Radar
Radar Loop of the Storms.
Storm Reports
PRELIMINARY LOCAL STORM REPORT...SUMMARY NATIONAL WEATHER SERVICE INDIANAPOLIS IN 1056 PM EDT THU MAY 16 2019 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0405 PM HAIL 2 NNE LAFAYETTE 40.43N 86.86W 05/16/2019 E0.25 INCH TIPPECANOE IN PUBLIC 0437 PM HAIL 3 NW EAGLE CREEK RESERV 39.88N 86.34W 05/16/2019 E0.25 INCH HENDRICKS IN TRAINED SPOTTER 0500 PM TSTM WND DMG 4 SW WESTFIELD 40.01N 86.17W 05/16/2019 HAMILTON IN TRAINED SPOTTER LARGE TREE SPLIT IN TWO NEAR THE BASE AT 15175 NEW HAVE DRIVE IN WESTFIELD. THERE MAY HAVE BEEN ANOTHER TREE ALONGSIDE IT THAT ALSO BLEW OVER. 0507 PM TSTM WND DMG 5 NE ZIONSVILLE 40.00N 86.20W 05/16/2019 HAMILTON IN LAW ENFORCEMENT CONSTRUCTION TRAILER ROLLED OVER AT 146TH STREET AND TOWNE ROAD. TIME IS ESTIMATED. 0514 PM TSTM WND GST WHITESTOWN 40.00N 86.35W 05/16/2019 M53 MPH BOONE IN PUBLIC ESTIMATED GUST TO 60 MPH. 0514 PM TSTM WND GST WHITESTOWN 40.00N 86.35W 05/16/2019 E60 MPH BOONE IN PUBLIC ESTIMATED GUST TO 60 MPH. MEASURED GUST TO 53 MPH. 0514 PM TSTM WND GST 3 NE EAGLE CREEK RESERV 39.88N 86.28W 05/16/2019 M51 MPH MARION IN BROADCAST MEDIA 0516 PM HAIL ZIONSVILLE 39.95N 86.27W 05/16/2019 E0.25 INCH BOONE IN PUBLIC PEA TO 3/8-INCH HAIL. 0516 PM TSTM WND DMG 2 NW NORA 39.93N 86.15W 05/16/2019 HAMILTON IN PUBLIC SMALL TREE FELL ON A CAR. 0519 PM TSTM WND DMG 3 SW WESTFIELD 40.01N 86.16W 05/16/2019 HAMILTON IN PUBLIC ROUGHLY 4-INCH BRANCH BROKE. 0519 PM HAIL 4 SE ZIONSVILLE 39.91N 86.22W 05/16/2019 E0.25 INCH MARION IN TRAINED SPOTTER 0520 PM TSTM WND GST BROWNSBURG 39.84N 86.39W 05/16/2019 M59 MPH HENDRICKS IN AMATEUR RADIO NO HAIL PRESENT. 0520 PM TSTM WND GST NORA 39.91N 86.13W 05/16/2019 E60 MPH MARION IN PUBLIC 0520 PM TSTM WND DMG 2 ESE NORA 39.91N 86.10W 05/16/2019 MARION IN AMATEUR RADIO APPROXIMATE LOCATION. ESTIMATED TIME. MULTIPLE TREES DOWN COMPLETELY BLOCKING DEAN ROAD 6800 BLOCK. 0520 PM HAIL 5 W NEWPORT 39.88N 87.49W 05/16/2019 E1.25 INCH VERMILLION IN TRAINED SPOTTER SPOTTERNETWORK.ORG. 0523 PM TSTM WND GST 2 E CARMEL 39.97N 86.07W 05/16/2019 E60 MPH HAMILTON IN TRAINED SPOTTER NEAR 126TH STREET AND HAZEL DELL PARKWAY. 0523 PM TSTM WND GST 1 SSE BROAD RIPPLE 39.85N 86.12W 05/16/2019 E70 MPH MARION IN EMERGENCY MNGR APPROXIMATE LOCATION. ONE-FOOT DIAMETER TREE BLOWN DOWN. 0523 PM TSTM WND DMG 2 NE BROAD RIPPLE 39.88N 86.11W 05/16/2019 MARION IN AMATEUR RADIO 50-FOOT HEALTHY TREE UPROOTED 3700 BLOCK OF 71ST STREET. TIME ESTIMATED. 0524 PM TSTM WND DMG 2 NE BROAD RIPPLE 39.88N 86.11W 05/16/2019 MARION IN AMATEUR RADIO A HEALTHY 18-INCH DIAMETER TREE SNAPPED 30 FEET ABOVE THE GROUND IN THE 7000 BLOCK OF N OLNEY. TIME ESTIMATED. 0524 PM TSTM WND DMG 4 SSW WESTFIELD 40.00N 86.16W 05/16/2019 HAMILTON IN TRAINED SPOTTER CORRECTS PREVIOUS TSTM WND DMG REPORT FROM 4 SSW WESTFIELD. UPROOTED TREE...WHICH BLOCKED TRAFFIC BETWEEN GREYHOUND PASS AND 146ST STREET ON SPRING MILL ROAD IN WESTFIELD. TIME IS ESTIMATED. 0525 PM TSTM WND GST 2 E EAGLE CREEK RESERVO 39.84N 86.27W 05/16/2019 M61 MPH MARION IN PUBLIC 0531 PM TSTM WND DMG 3 NE INDIANAPOLIS INT`L 39.75N 86.25W 05/16/2019 MARION IN PUBLIC DAMAGE TO HOME SIDING ALONG PEAK OF ROOF LINE. SMALL BRANCH DOWN TIME ESTIMATED. 0532 PM HAIL 4 N DANA 39.87N 87.49W 05/16/2019 E2.50 INCH VERMILLION IN TRAINED SPOTTER 4.5 MILES SOUTHWEST OF CAYUGA ON THE INDIANA STATE LINE. SPOTTERNETWORK.ORG. 0533 PM HAIL 1 S SPRING HILL 39.81N 86.19W 05/16/2019 E0.75 INCH MARION IN PUBLIC 0536 PM TSTM WND DMG 2 NW CASTLETON 39.92N 86.07W 05/16/2019 MARION IN PUBLIC TWO-FOOT DIAMETER HEALTHY TREE DOWN ACROSS ROADWAY...FALLING ON UTILITY POLE AND LINES. 0537 PM TSTM WND DMG 2 E CUMBERLAND 39.78N 85.92W 05/16/2019 HANCOCK IN PUBLIC CORRECTS PREVIOUS TSTM WND DMG REPORT FROM 2 E CUMBERLAND. POWER LINE DOWN. TIME ESTIMATED FROM RADAR. 0546 PM TSTM WND GST 1 SE MOORESVILLE 39.61N 86.36W 05/16/2019 E50 MPH MORGAN IN PUBLIC SPOTTTERNETWORK.ORG. 0547 PM HAIL 2 S WYNNEDALE 39.81N 86.20W 05/16/2019 E0.88 INCH MARION IN PUBLIC 0548 PM TSTM WND DMG 2 N NEW PALESTINE 39.74N 85.90W 05/16/2019 HANCOCK IN 911 CALL CENTER POWER LINES DOWN. 0554 PM TSTM WND GST 3 ESE FAIRLAND 39.58N 85.80W 05/16/2019 M56 MPH SHELBY IN ASOS 0555 PM HAIL 1 N FAIRVIEW PARK 39.70N 87.42W 05/16/2019 E1.00 INCH VERMILLION IN BROADCAST MEDIA APPROXIMATE LOCATION. 0557 PM TSTM WND DMG SHELBYVILLE 39.52N 85.78W 05/16/2019 SHELBY IN PUBLIC TREE ON HOUSE AND 2 CARS, NO INJURIES. TIME RADAR ESTIMATED. 0600 PM HAIL 2 W CLINTON 39.66N 87.43W 05/16/2019 E2.50 INCH VERMILLION IN AMATEUR RADIO APPROXIMATE LOCATION DESCRIBED AS WEST OF CLINTON. APPROXIMATE TIME. 0601 PM HAIL CLINTON 39.66N 87.41W 05/16/2019 E1.75 INCH VERMILLION IN BROADCAST MEDIA 0610 PM HAIL ROSEDALE 39.62N 87.28W 05/16/2019 E0.70 INCH PARKE IN AMATEUR RADIO HALF INCH HAIL. 0611 PM FUNNEL CLOUD 3 NE BLANFORD 39.70N 87.48W 05/16/2019 VERMILLION IN TRAINED SPOTTER THIN FUNNEL 6 MILES SOUTHEAST OF CURRENT LOCATION. 0613 PM HAIL ROSEDALE 39.62N 87.28W 05/16/2019 E1.75 INCH PARKE IN AMATEUR RADIO 0614 PM TSTM WND DMG SAINT PAUL 39.43N 85.63W 05/16/2019 SHELBY IN PUBLIC POWER LINES DOWN. TIME ESTIMATED FROM RADAR. 0615 PM HAIL 2 SE BETHANY 39.51N 86.35W 05/16/2019 E0.70 INCH MORGAN IN TRAINED SPOTTER HALF-INCH HAIL AT HENDERSON FORD ROAD AND EAST CENTERTON ROAD. 0616 PM TSTM WND DMG 4 SW WESTFIELD 40.01N 86.18W 05/16/2019 HAMILTON IN PUBLIC TWELVE-INCH LIVE BRANCH DOWN AT 156TH STREET AND DITCH ROAD. NUMEROUS SIMILAR SIZE TREES DOWN IN THE AREA. TIME IS ESTIMATED. 0617 PM TSTM WND DMG FLAT ROCK 39.36N 85.83W 05/16/2019 SHELBY IN PUBLIC TREE DOWN, BLOCKING ROAD. TIME RADAR ESTIMATED. 0618 PM TSTM WND DMG 1 NNE HOMECROFT 39.68N 86.12W 05/16/2019 MARION IN PUBLIC IN THE 5700 BLOCK OF NORTH KEYSTONE A HEALTHY TREE WAS SNAPPED AT APPROXIMATELY 10 FEET. THREE POLES DOWN ALONG WITH WIRES. KEYSTONE BLOCKED BOTH DIRECTIONS. APPROXIMATE LOCATION AND TIME. 0620 PM TSTM WND DMG 2 N HOPE 39.32N 85.77W 05/16/2019 BARTHOLOMEW IN PUBLIC TREE FELL ON POWERLINE. 0622 PM TSTM WND DMG 2 E BROAD RIPPLE 39.87N 86.10W 05/16/2019 MARION IN PUBLIC LARGE HEALTHY TREE UPROOTED 6200 DEAN ROAD. TIME ESTIMATED. 0624 PM TSTM WND DMG 1 WSW FISHERS 39.95N 86.03W 05/16/2019 HAMILTON IN PUBLIC LARGE TREE DOWN NEAR HAGUE RD AND ST. GEORGE BLVD IN FISHERS. TIME APPROXIMATE. 0625 PM HAIL BRAZIL 39.52N 87.12W 05/16/2019 E0.70 INCH CLAY IN AMATEUR RADIO HALF-INCH HAIL. 0636 PM TSTM WND DMG 1 NW CARMEL 39.98N 86.13W 05/16/2019 HAMILTON IN PUBLIC HOME PLACE AREA HAD NUMEROUS TREES DOWN BLOCKING ROADS. 0636 PM TSTM WND DMG WESTPORT 39.18N 85.57W 05/16/2019 DECATUR IN UTILITY COMPANY REPORTS OF POWER OUTAGES. TIME RADAR ESTIMATED. 0703 PM HAIL 4 WSW COLUMBUS 39.19N 85.98W 05/16/2019 E0.25 INCH BARTHOLOMEW IN PUBLIC SPOTTERNETWORK.ORG. 0715 PM HAIL SEYMOUR 38.96N 85.89W 05/16/2019 E1.00 INCH JACKSON IN PUBLIC 0716 PM TSTM WND DMG 4 ESE HAYDEN 38.95N 85.68W 05/16/2019 JENNINGS IN PUBLIC TREE DOWN. TIME RADAR ESTIMATED. 0730 PM HEAVY RAIN 4 NW HAYDEN 39.02N 85.79W 05/16/2019 M1.20 INCH JENNINGS IN PUBLIC HEAVY RAIN FOR ABOUT 20 MINUTES.
Environment
An area of thunderstorms across Wisconsin the early morning hours of May 16 moved south during the morning toward Indiana. Although the storms were initially though to weaken and dissipate, they were able to tap into instability to the west. The storms strengthened and increased in coverage, bringing the severe weather to the area during the afternoon and early evening.
Figure 1: Storm Prediction Center Mesoscale Discussion Graphic highlighting the potential for the storms to continue into the afternoon | Figure 2: Deep Moisture Convergence at 3:00 PM | Figure 3: Warm Advection at 850 mb at 3:00 PM EDT. Warm advection helped sustain the thunderstorms. |
The storms moved along a gradient in instability, aided by a mid-level jet. Stronger shear and instability near the Illinois border lead to the development of a supercell thunderstorm, which produced 2.5" diameter hail.
Figure 4: Storm Prediction Center Mesoscale Discussion Graphic highlighting the potential for additional wind damage. | Figure 5: Model Analysis of CAPE at 5:00 PM EDT | Figure 6: Model Analysis of Shear at 5:00 PM EDT |
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