A strong cold front moved through the region, triggering showers and thunderstorms. Some of the storms produced severe weather including large hail, damaging winds and an isolated tornado.

Hail in PIKE, MISSOURI
From 15-APR-11 12:35:00 to 15-APR-11 12:35:00 (CST-6)
Location: BOWLING GREEN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in RALLS, MISSOURI
From 15-APR-11 13:02:00 to 15-APR-11 13:02:00 (CST-6)
Location: HASSARD
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in FRANKLIN, MISSOURI
From 15-APR-11 14:06:00 to 15-APR-11 14:06:00 (CST-6)
Location: GRAY SUMMIT
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Tornado in PIKE, MISSOURI
From 15-APR-11 12:35:00 to 15-APR-11 12:40:00 (CST-6)
Location: VERA
Tornado F-scale: EF1
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A tornado initially touched down one-quarter mile north of the intersection of Highway NN and County Road 277 at 1:35 PM CDT.  Several cedar trees were severely damaged at this location. The debris from the cedar trees fell 70 to 80 yards to the north.  The tornado then damaged a double wide house trailer in which the walls on the north and east side of the structure were completely removed.  Nearly all of the roof was uplifted and carried 40 to 70 yards to the north.  A swing set was mangled in a large tree.  Additional smaller debris from the home was carried in a ravine while a few large tree limbs were damaged.  The width of the damage was approximately 40 yards while the damage was rated EF1.  The tornado skipped north and damaged several cedar trees and a few hardwood trees approximately three-quarter mile north of the first damage area.  The tornado missed a large machine shed, although two large doors on the east side of the machine shed were bowed out to the east.  An SUV parked east of the machine shed was tossed into a small pond.  The width of the damage area was 30 to 40 yards while the tree damage was rated EF0.  Additional tree damage was found one quarter to one half miles to the north along County Road 277.  The tornado continued moving north with intermittent touchdowns and damaged a farmstead approximately one-quarter mile south of U.S. Highway 54 and one-half mile east of Vera, Missouri.  A machine shed was completely destroyed and corrugated steel from the shed was wrapped around the bottom part of several large trees, which where were snapped off half way up.  Additional metal debris was tossed one-half mile to the north across U.S. Highway 54.  There was minor damage to some flat bed trailers in a field on the west side of a business area.  The width of the damage area was 50 yards, while damage was rated low end EF1.  In summary, the maximum damage rating of this tornado was EF1, with winds of 90 to 95 mph.  The total length was 3 miles, with a maximum width of 50 yards.  No injuries were reported.

Hail in JEFFERSON, MISSOURI
From 15-APR-11 14:50:00 to 15-APR-11 14:50:00 (CST-6)
Location: HOUSE SPGS
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ST. LOUIS, MISSOURI
From 15-APR-11 14:58:00 to 15-APR-11 14:58:00 (CST-6)
Location: MANCHESTER
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ST. LOUIS, MISSOURI
From 15-APR-11 15:16:00 to 15-APR-11 15:16:00 (CST-6)
Location: OAKLAND
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MADISON, MISSOURI
From 15-APR-11 15:12:00 to 15-APR-11 15:12:00 (CST-6)
Location: FREDERICKTOWN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in JEFFERSON, MISSOURI
From 15-APR-11 15:28:00 to 15-APR-11 15:28:00 (CST-6)
Location: FESTUS
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ST. LOUIS (C), MISSOURI
From 15-APR-11 15:39:00 to 15-APR-11 15:41:00 (CST-6)
Location: CARONDELET
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ST. LOUIS (C), MISSOURI
From 15-APR-11 15:45:00 to 15-APR-11 15:45:00 (CST-6)
Location: ST LOUIS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ST. LOUIS, MISSOURI
From 15-APR-11 15:38:00 to 15-APR-11 15:38:00 (CST-6)
Location: LAKE JCT
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in JEFFERSON, MISSOURI
From 15-APR-11 14:56:00 to 15-APR-11 14:56:00 (CST-6)
Location: HIGH RIDGE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter