May 1 Severe Weather
An area of low pressure moved along a warm front during the afternoon of May 1. The low and front interacted with warm and unstable air to produce numerous thunderstorms across central Indiana. One storm produced a couple of tornadoes, and another produced a brief tornado. Other storms produced large hail and damaging winds.
One storm produced a brief tornado near Cory in Clay County. This EF-0 tornado had a path length of 0.1 mile and was 50 yards wide, touching down at 2:33 PM EDT. Below are plots of the tornado track and radar images of the storm. Click any image to enlarge.
Radar Image of the thunderstorm that produced the tornado near Cory, at the time the tornado touched down. (Image at 2:33 PM EDT)
Storm relative image of the storm at the same time. The radar is located to the upper right of the image. Green indicates motion toward the radar, with red indicating motion away from the radar.
The second tornado producing storm formed in Illinois before traveling into central Indiana. The storm first produced a tornado in central Indiana near the town of Yeddo in Fountain County. The EF-0 rated tornado touched down at 6:57 PM EDT and was on the ground briefly. The tornado's width was 50 yards and the path length was one tenth of a mile. Below are plots of the tornado track and radar images of the storm. Click any image to enlarge.
Radar Image of the thunderstorm that produced the tornado near Yeddo, a few minutes before the tornado touched down. (Image at 6:54 PM EDT)
Storm relative image of the storm at the same time. The radar is located to the lower right of the image. Green indicates motion toward the radar, with red indicating motion away from the radar.
The storm later produced an EF-1 tornado in Montgomery County, near the town of New Ross. The tornado touched down at 7:36 PM EDT and was on the ground for about a minute. Wind speeds for the tornado were 100-110 mph, and the width was 150 yards. The tornado was on the ground for about a half mile. Below are plots of the track path as well as radar images of the storm. Click on any image to enlarge.
|Radar Image of the thunderstorm that produced the tornado, at the time the tornado touched down (7:36 PM EDT).||Storm relative image of the storm at the same time. The radar is located to the lower right of the image. Green indicates motion toward the radar, with red indicating motion away from the radar.|
|Wider view of the radar at the same time as the touchdown.|
Here are some additional radar images from the event. Click any image to enlarge.
Picture of hail in Veedersburg. Click to enlarge.
Below are reports of severe weather received by the NWS Indianapolis:
PRELIMINARY LOCAL STORM REPORT...SUMMARY NATIONAL WEATHER SERVICE INDIANAPOLIS IN 1050 PM EDT TUE MAY 01 2012 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 1256 PM LIGHTNING AVON 39.76N 86.38W 05/01/2012 HENDRICKS IN EMERGENCY MNGR RESIDENTIAL BUILDING FIRE DUE TO LIGHTNING. 0300 PM TSTM WND DMG ELLETTSVILLE 39.23N 86.62W 05/01/2012 MONROE IN LAW ENFORCEMENT ISOLATED REPORTS OF TREES DOWN IN THE ELLETTSVILLE AREA 0344 PM HAIL NASHVILLE 39.20N 86.24W 05/01/2012 M0.50 INCH BROWN IN AMATEUR RADIO 0347 PM HAIL NASHVILLE 39.20N 86.24W 05/01/2012 M1.00 INCH BROWN IN AMATEUR RADIO 0350 PM HAIL COLUMBUS 39.21N 85.91W 05/01/2012 E1.00 INCH BARTHOLOMEW IN TRAINED SPOTTER QUARTER HAIL IN NORTHWEST COLUMBUS ON LOWELL ROAD JUST WEST OF US 31. 0353 PM TSTM WND DMG TAYLORSVILLE 39.30N 85.95W 05/01/2012 BARTHOLOMEW IN NEWSPAPER TREES REPORTED DOWN 0400 PM TSTM WND GST 5 W GREENWOOD 39.62N 86.21W 05/01/2012 M59 MPH JOHNSON IN TRAINED SPOTTER 0407 PM HAIL EDINBURGH 39.35N 85.97W 05/01/2012 M0.25 INCH JOHNSON IN TRAINED SPOTTER 0414 PM FLASH FLOOD INDIANAPOLIS 39.78N 86.15W 05/01/2012 MARION IN CO-OP OBSERVER STREET FLOODING ALONG KEYSTONE AND KESSLER 0423 PM HAIL MILFORD 39.35N 85.62W 05/01/2012 M1.00 INCH DECATUR IN AMATEUR RADIO 0423 PM TSTM WND GST MILFORD 39.35N 85.62W 05/01/2012 E78 MPH DECATUR IN AMATEUR RADIO 0423 PM HAIL GREENWOOD 39.62N 86.11W 05/01/2012 E0.25 INCH JOHNSON IN TRAINED SPOTTER 0427 PM TSTM WND DMG GREENSBURG 39.34N 85.48W 05/01/2012 DECATUR IN AMATEUR RADIO SEMI TRAILER BLOWN OVER 0427 PM TSTM WND GST GREENSBURG 39.34N 85.48W 05/01/2012 E60 MPH DECATUR IN AMATEUR RADIO 0433 PM HAIL 7 WNW NEW CASTLE 39.96N 85.49W 05/01/2012 E0.25 INCH HENRY IN TRAINED SPOTTER 0437 PM HAIL CLARKSBURG 39.43N 85.35W 05/01/2012 M0.50 INCH DECATUR IN PUBLIC 0445 PM HEAVY RAIN 2 W MIDDLETOWN 40.06N 85.58W 05/01/2012 M1.50 INCH MADISON IN CO-OP OBSERVER 1.50 INCHES OF RAINFALL MEASURED IN 45 MINUTES. 0448 PM HEAVY RAIN 1 S CASTLETON 39.89N 86.05W 05/01/2012 M1.57 INCH MARION IN BROADCAST MEDIA 0449 PM HAIL SULPHUR SPRINGS 40.01N 85.44W 05/01/2012 M0.50 INCH HENRY IN PUBLIC 0449 PM TSTM WND GST SULPHUR SPRINGS 40.01N 85.44W 05/01/2012 E70 MPH HENRY IN PUBLIC 0450 PM HAIL 3 S PARAGON 39.35N 86.56W 05/01/2012 E0.75 INCH MORGAN IN TRAINED SPOTTER 0455 PM TSTM WND GST MODOC 40.04N 85.13W 05/01/2012 E50 MPH RANDOLPH IN AMATEUR RADIO 0456 PM TSTM WND GST STRAUGHN 39.81N 85.29W 05/01/2012 E58 MPH HENRY IN AMATEUR RADIO 0515 PM HAIL 2 SE BLOOMINGTON 39.15N 86.50W 05/01/2012 M0.50 INCH MONROE IN AMATEUR RADIO 0515 PM HEAVY RAIN 2 S CASTLETON 39.88N 86.05W 05/01/2012 M1.34 INCH MARION IN CO-OP OBSERVER STORM TOTAL...FELL IN APPROXIMATELY 1.5 HOURS. 0525 PM HAIL 4 NNW BEDFORD 38.91N 86.52W 05/01/2012 E0.88 INCH LAWRENCE IN TRAINED SPOTTER ACCOMPANIED BY 40 MPH WINDS. 0602 PM HAIL 3 W CROTHERSVILLE 38.80N 85.90W 05/01/2012 M1.00 INCH JACKSON IN PUBLIC 0628 PM HEAVY RAIN GREENSBURG 39.34N 85.48W 05/01/2012 E1.00 INCH DECATUR IN STORM CHASER 0628 PM TSTM WND GST GREENSBURG 39.34N 85.48W 05/01/2012 E60 MPH DECATUR IN STORM CHASER 0631 PM HAIL 5 W COVINGTON 40.14N 87.49W 05/01/2012 E1.00 INCH WARREN IN EMERGENCY MNGR 0641 PM HAIL 4 S COVINGTON 40.08N 87.39W 05/01/2012 M1.00 INCH FOUNTAIN IN EMERGENCY MNGR 0650 PM HAIL CROTHERSVILLE 38.80N 85.84W 05/01/2012 M0.50 INCH JACKSON IN PUBLIC 0650 PM HAIL VEEDERSBURG 40.11N 87.26W 05/01/2012 M1.00 INCH FOUNTAIN IN PUBLIC 0655 PM HAIL 2 N VEEDERSBURG 40.14N 87.26W 05/01/2012 M0.25 INCH FOUNTAIN IN TRAINED SPOTTER 0657 PM TORNADO 2 E YEDDO 40.01N 87.22W 05/01/2012 FOUNTAIN IN AMATEUR RADIO 0700 PM HAIL NORTH SALEM 39.86N 86.64W 05/01/2012 M0.75 INCH HENDRICKS IN TRAINED SPOTTER 0703 PM HAIL MONROE CITY 38.61N 87.35W 05/01/2012 E0.88 INCH KNOX IN FIRE DEPT/RESCUE 0707 PM FUNNEL CLOUD 2 NNW ALAMO 40.01N 87.07W 05/01/2012 MONTGOMERY IN PUBLIC 0707 PM HAIL MONROE CITY 38.61N 87.35W 05/01/2012 E1.00 INCH KNOX IN AMATEUR RADIO 0708 PM HAIL 7 S SPENCER 39.19N 86.77W 05/01/2012 M1.00 INCH OWEN IN TRAINED SPOTTER 0713 PM HAIL WHEATLAND 38.66N 87.31W 05/01/2012 M1.00 INCH KNOX IN FIRE DEPT/RESCUE 0721 PM HAIL 1 W DARLINGTON 40.11N 86.80W 05/01/2012 E0.70 INCH MONTGOMERY IN AMATEUR RADIO 0725 PM HAIL PLAINFIELD 39.70N 86.39W 05/01/2012 E1.00 INCH HENDRICKS IN TRAINED SPOTTER 0728 PM WALL CLOUD 3 SE CRAWFORDSVILLE 40.01N 86.86W 05/01/2012 MONTGOMERY IN TRAINED SPOTTER RAPIDLY ROTATING WALL CLOUD. 0729 PM HAIL PLAINFIELD 39.70N 86.39W 05/01/2012 M1.25 INCH HENDRICKS IN TRAINED SPOTTER 0736 PM TORNADO 5 NE LADOGA 39.97N 86.73W 05/01/2012 MONTGOMERY IN AMATEUR RADIO TORNADO MOVING EAST 0737 PM TORNADO 3 W NEW ROSS 39.96N 86.77W 05/01/2012 MONTGOMERY IN AMATEUR RADIO HIT A HOUSE AND DESTROYED A BARN 0745 PM WALL CLOUD BLOOMINGTON 39.17N 86.52W 05/01/2012 MONROE IN TRAINED SPOTTER 0745 PM HAIL BLOOMINGTON 39.17N 86.52W 05/01/2012 E0.25 INCH MONROE IN TRAINED SPOTTER 0748 PM HAIL 12 W BLOOMFIELD 39.03N 87.16W 05/01/2012 M0.25 INCH GREENE IN TRAINED SPOTTER 0804 PM HAIL UNIONVILLE 39.23N 86.42W 05/01/2012 M1.50 INCH MONROE IN LAW ENFORCEMENT 0811 PM FLASH FLOOD GREENFIELD 39.79N 85.77W 05/01/2012 HANCOCK IN TRAINED SPOTTER HEAVY FLOODING ALONG HWY 9 0811 PM HAIL GREENFIELD 39.79N 85.77W 05/01/2012 M0.25 INCH HANCOCK IN TRAINED SPOTTER HEAVY FLOODING ALONG HWY 9 0814 PM HAIL 3 W BEANBLOSSOM 39.32N 86.31W 05/01/2012 E0.50 INCH BROWN IN TRAINED SPOTTER 0820 PM HAIL NASHVILLE 39.20N 86.24W 05/01/2012 M1.50 INCH BROWN IN AMATEUR RADIO 0822 PM FUNNEL CLOUD WHITESTOWN 40.00N 86.35W 05/01/2012 BOONE IN TRAINED SPOTTER FUNNEL CLOUD REPORTED BETWEEN WHITESTOWN AND ZIONSVILLE 0906 PM HAIL FRANKLIN 39.49N 86.06W 05/01/2012 M0.25 INCH JOHNSON IN TRAINED SPOTTER 0928 PM HAIL 3 S PARAGON 39.35N 86.56W 05/01/2012 E0.88 INCH MORGAN IN COCORAHS 0930 PM HAIL EDINBURGH 39.35N 85.97W 05/01/2012 M0.25 INCH JOHNSON IN FIRE DEPT/RESCUE