January 23, 2012 Central Indiana Severe Weather

 Surface Map at 1:00 AM January 23, 2012

A line of strong to severe thunderstorms swept across central Indiana during the early morning hours of January 23, bringing damaging winds, heavy rain, and small hail. These storms formed well ahead of a strong cold front, which moved through the area later in the morning. Ahead of the front, temperatures warmed from the 30s the afternoon of January 22nd to the upper 40s and lower 50s by midnight on the 23rd.

 

Temperature and Dewpoint Graph of Lafayette for 2 days ending 8 am January 23 2 Day Temperature Graph of Indianapolis ending 8:00 AM January 23 2 Day Temperature Graph of Bloomington Ending 8:00 AM January 23
2 Day Temperature/Dewpoint Graph for Lafayette, ending 8:00 AM January 23. Temperatures rose from 32 degrees at Noon January 22 to 48 degrees at Midnight January 23. 2  Day Temperature/Dewpoint Graph for Indianapolis, ending 8:00 AM January 23. Temperatures rose from 33 degrees at Noon January 22 to 48 degrees at Midnight January 23. 2 Day Temperature/Dewpoint Graph for Bloomington, ending 8:00 AM January 23. Temperatures rose from 32 degrees at Noon January 22 to 55 degrees at Midnight January 23.

Below are radar images of the line of storms. Click any image to enlarge.

 

 Radar Image at 12:01 AM - Click to Enlarge  Radar Image at 1:02 AM - Click to Enlarge  Radar Image at 1:58 AM - Click to Enlarge
Radar Image at 12:01 AM. Radar Image at 1:02 AM Radar Image at 1:58 AM
   Radar Velocity Image at 1:02 AM - Click to Enlarge  Radar Velocity Image at 1:58 AM - Click to Enlarge
 

Radar Velocity Image at 1:02 AM. Green/Blue represent flow toward the radar, with red/pink away from the radar. Winds were about 58mph near 2000ft off the ground in Putnam County at this time.

Radar Velocity Image at 1:58 AM. Green/Blue represent flow toward the radar, with red/pink away from the radar.

 Below are storm and damage reports received by the NWS Indianapolis:

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
940 AM EST MON JAN 23 2012

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

1215 AM     TSTM WND GST     DECKER                  38.52N 87.52W
01/23/2012  E60.00 MPH       KNOX               IN   FIRE DEPT/RESCUE

            WINDS OF 60 PLUS MPH REPORTED IN TOWN.

1217 AM     TSTM WND DMG     WHEATLAND               38.66N 87.31W
01/23/2012                   KNOX               IN   EMERGENCY MNGR

            TREE AND UTILITY LINE DOWN AT STATE ROAD 550 AND EVANS
            ROAD JUST OUTSIDE OF WHEATLAND. TIME ESTIMATED.

1230 AM     TSTM WND GST     ODON                    38.84N 86.99W
01/23/2012  M60.00 MPH       DAVIESS            IN   TRAINED SPOTTER

            SHINGLES WERE BLOWN OFF A ROOF

1230 AM     TSTM WND DMG     ODON                    38.84N 86.99W
01/23/2012                   DAVIESS            IN   TRAINED SPOTTER

            SHINGLES WERE BLOWN OFF A ROOF BY MEASURED 60 MPH WINDS.

1245 AM     TSTM WND DMG     ELNORA                  38.88N 87.08W
01/23/2012                   DAVIESS            IN   EMERGENCY MNGR

            UNSPECIFIED AND UNCONFIRMED DAMAGE

1245 AM     TSTM WND DMG     4 NW WASHINGTON         38.70N 87.23W
01/23/2012                   DAVIESS            IN   EMERGENCY MNGR

            HOUSE AND TURKEY BARNS DESTROYED AT 4930 NORTH AND 350
            WEST. ONE WALL LEFT STANDING OF HOUSE. REFERENCE CITY AND
            DIRECTION/DISTANCE IS ESTIMATED.

0100 AM     TSTM WND DMG     GREENCASTLE             39.64N 86.84W
01/23/2012                   PUTNAM             IN   BROADCAST MEDIA

            TREES WERE BLOWN DOWN. TIME ESTIMATED.

0100 AM     TSTM WND DMG     CLOVERDALE              39.52N 86.80W
01/23/2012                   PUTNAM             IN   BROADCAST MEDIA

            TREES WERE BLOWN DOWN. TIME ESTIMATED.

0115 AM     TSTM WND DMG     1 W GOSPORT             39.35N 86.68W
01/23/2012                   OWEN               IN   AMATEUR RADIO

            GARAGE DOOR WAS BLOWN IN. TIME ESTIMATED.

0128 AM     HAIL             8 W LEBANON             40.05N 86.62W
01/23/2012  U0.25 INCH       BOONE              IN   AMATEUR RADIO


0140 AM     TSTM WND DMG     NASHVILLE               39.20N 86.24W
01/23/2012                   BROWN              IN   EMERGENCY MNGR

            PART OF THE ROOF OF NASHVILLE ELEMENTARY SCHOOL WAS TORE
            OFF ALLOWING WATER DAMAGE TO SOME CLASSROOMS. TIME
            ESTIMATED.

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