Brief Review of the May 23 Severe Weather

Radar

Radar Loop of the Severe Storms:

Storm Reports

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1051 PM EDT THU MAY 23 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0331 AM     TSTM WND DMG     1 E STATE LINE CITY     40.19N 87.50W
05/23/2019                   WARREN             IN   911 CALL CENTER

            12-14 INCH DIAMETER TREE ACROSS COUNTY ROAD
            825 SOUTH. DISPATCH ALSO REPORTED SEVERAL
            OTHER DOWNED TREES ACROSS RURAL PORTIONS OF
            COUNTY. TIME ESTIMATED FROM RADAR.

0345 AM     TSTM WND DMG     2 SE ATTICA             40.27N 87.21W
05/23/2019                   FOUNTAIN           IN   911 CALL CENTER

            911 CENTER REPORTS NUMEROUS DOWNED TREES AND
            POWER OUTAGES ACROSS THE COUNTY WITH A
            CONCENTRATION OF DAMAGE SOUTHEAST OF ATTICA.
            TIME ESTIMATED FROM RADAR.

0355 AM     TSTM WND DMG     5 NW SHADELAND          40.43N 87.01W
05/23/2019                   TIPPECANOE         IN   PUBLIC

            TREE DOWN ON SOLDIERS HOME ROAD AND 75N.
            RELAYED VIA BROADCAST MEDIA. TIME ESTIMATED
            FROM RADAR.

0357 AM     TSTM WND GST     3 W WEST LAFAYETTE      40.45N 86.97W
05/23/2019  M62 MPH          TIPPECANOE         IN   BROADCAST MEDIA

            CORRECTS PREVIOUS TSTM WND GST REPORT FROM 3
            W WEST LAFAYETTE.

0358 AM     TSTM WND DMG     1 WNW WEST LAFAYETTE    40.45N 86.93W
05/23/2019                   TIPPECANOE         IN   PUBLIC

            TREE ON A HOUSE. RELAYED VIA BROADCAST
            MEDIA. TIME ESTIMATED FROM RADAR.

0411 AM     TSTM WND DMG     1 NW ROCKVILLE          39.77N 87.24W
05/23/2019                   PARKE              IN   PUBLIC

            SEVERAL 4-6 INCH TREE LIMBS SNAPPED NEAR
            WEST STRAWBERRY ROAD IN ROCKVILLE. TIME
            ESTIMATED FROM RADAR.

0411 AM     TSTM WND DMG     WAYNETOWN               40.09N 87.07W
05/23/2019                   MONTGOMERY         IN   911 CALL CENTER

            DISPATCH REPORTS SEVERAL LARGE TREES
            UPROOTED IN AND AROUND WAYNETOWN WITH POWER
            OUT ACROSS PORTIONS OF THE TOWN. SPORADIC
            DOWNED TREES ACROSS THE REST OF THE COUNTY.
            TIME ESTIMATED FROM RADAR.

0413 AM     TSTM WND DMG     MARSHALL                39.85N 87.19W
05/23/2019                   PARKE              IN   911 CALL CENTER

            SEVERAL DOWNED TREES ON ROADS REPORTED BY
            DISPATCH NEAR MARSHALL. TREES HAVE ALREADY
            BEEN CLEARED AT THIS TIME. TIME ESTIMATED
            FROM RADAR.

0424 AM     TSTM WND DMG     2 NW WEST LAFAYETTE     40.47N 86.94W
05/23/2019                   TIPPECANOE         IN   BROADCAST MEDIA

            TREE FELL ONTO APARTMENT COMPLEX.

0429 AM     TSTM WND DMG     2 E BURLINGTON          40.49N 86.37W
05/23/2019                   HOWARD             IN   911 CALL CENTER

            DISPATCH REPORTED A LARGE UPROOTED TREE NEAR
            COUNTY ROAD 1240 WEST. TIME ESTIMATED FROM
            RADAR.

0430 AM     TSTM WND DMG     1 SE LAFAYETTE          40.40N 86.86W
05/23/2019                   TIPPECANOE         IN   PUBLIC

            ROOF TORN AND RAISED...AND TRAILERS
            OVERTURNED... AT WABASH NATIONAL
            CORPORATION. REPORT RELAYED BY BROADCAST
            MEDIA.

0440 AM     TSTM WND DMG     5 SE MICHIGANTOWN       40.27N 86.34W
05/23/2019                   CLINTON            IN   LAW ENFORCEMENT

            COUNTY ROAD 900 EAST FROM STATE ROAD 28 TO
            COUNTY ROAD 200 SOUTH IS CLOSED DUE TO
            UTILITY POLES DOWNED.

0446 AM     TSTM WND DMG     CAMDEN                  40.61N 86.54W
05/23/2019                   CARROLL            IN   PUBLIC

            POWERLINES DOWN ACROSS HOME.

0454 AM     TSTM WND DMG     1 WSW KOKOMO            40.47N 86.15W
05/23/2019                   HOWARD             IN   AMATEUR RADIO

            24 INCH DIAMETER LIVE TREE DOWN.

0455 AM     TSTM WND DMG     3 NE GREENTOWN          40.51N 85.92W
05/23/2019                   HOWARD             IN   911 CALL CENTER

            DISPATCH RECEIVED SEVERAL REPORTS OF BROKEN
            TREE LIMBS AND POWER OUTAGES NORTHEAST OF
            GREENTOWN. LIMBS THAT HAD FALLEN ON STREETS
            HAVE BEEN CLEARED.

0509 AM     TSTM WND GST     4 WNW WILLIAMS CREEK    39.93N 86.21W
05/23/2019  M70 MPH          HAMILTON           IN   MESONET

            MESONET STATION DW8874 CARMEL.

0526 AM     TSTM WND GST     INDIANAPOLIS INT`L AIRP 39.72N 86.29W
05/23/2019  M58 MPH          MARION             IN   PUBLIC

            CORRECTS PREVIOUS NON-TSTM WND GST REPORT
            FROM INDIANAPOLIS INT`L AIRPORT.

0531 AM     TSTM WND DMG     ELWOOD                  40.30N 85.84W
05/23/2019                   MADISON            IN   PUBLIC

            MULTIPLE TREE LIMBS REPORTED DOWN.

0535 AM     TSTM WND DMG     ANDERSON                40.09N 85.69W
05/23/2019                   MADISON            IN   AMATEUR RADIO

            LIVE LIMBS DOWN IN SEVERAL PLACES. 2 DOORS
            DOWN A LIVE TREE FELL ACROSS THEIR PRIVACY
            FENCE AND LANDED ON TWO CARS. 64 MPH WINDS
            MEASURED AT THIS LOCATION.

0535 AM     HAIL             3 SW CASTLETON          39.87N 86.07W
05/23/2019  E0.25 INCH       MARION             IN   PUBLIC



0535 AM     TSTM WND GST     ANDERSON                40.09N 85.69W
05/23/2019  M64 MPH          MADISON            IN   PUBLIC

            AS THIS STORM WAS MOVING IN. I HAD A
            MEASURED WIND GUST OF 64 MILES PER HOUR. AND
            A BURST OF TORRENTIAL RAIN.

0548 AM     TSTM WND DMG     1 SSE MOORESVILLE       39.61N 86.36W
05/23/2019                   MORGAN             IN   AMATEUR RADIO

            1 INCH DIAMETER TREE LIMB DOWN.

Environment

Warm and humid air moved into central Indiana with an upper level high across the southeastern USA. The line of storms continued into central Indiana during the early morning hours with instability and shear across the area.

Figure 1: Downdraft CAPE at 3:00 AM EDT (values at or above 1000 J/kg can indicate favorable environments for strong downdraft potential)	Figure 2: Mixed Layer CAPE at 5:00 AM EDT	Figure 3: 850 mb Moisture Transport at 5:00 AM EDT