Elevated convection fired up over the region on nose of strong low level jet.  Numerous reports of large hail and isolated flash flooding were reported with these storms.

Hail in COLE, MISSOURI
From 22-APR-11 08:01:00 to 22-APR-11 08:08:00 (CST-6)
Location: CENTERTOWN
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CALLAWAY, MISSOURI
From 22-APR-11 08:24:00 to 22-APR-11 08:24:00 (CST-6)
Location: WILLIAMSBURG
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in COLE, MISSOURI
From 22-APR-11 08:25:00 to 22-APR-11 08:25:00 (CST-6)
Location: JEFFERSON CITY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CALLAWAY, MISSOURI
From 22-APR-11 08:25:00 to 22-APR-11 08:25:00 (CST-6)
Location: NEW BLOOMFIELD
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in OSAGE, MISSOURI
From 22-APR-11 08:55:00 to 22-APR-11 08:55:00 (CST-6)
Location: FREEDOM
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in GASCONADE, MISSOURI
From 22-APR-11 09:10:00 to 22-APR-11 09:15:00 (CST-6)
Location: OWENSVILLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in GASCONADE, MISSOURI
From 22-APR-11 09:05:00 to 22-APR-11 09:05:00 (CST-6)
Location: PERSHING
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in GASCONADE, MISSOURI
From 22-APR-11 09:20:00 to 22-APR-11 09:20:00 (CST-6)
Location: ROSEBUD
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Hail in ST. LOUIS, MISSOURI
From 22-APR-11 09:30:00 to 22-APR-11 09:30:00 (CST-6)
Location: CHESTERFIELD
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in FRANKLIN, MISSOURI
From 22-APR-11 09:30:00 to 22-APR-11 09:30:00 (CST-6)
Location: NEW HAVEN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ST. LOUIS, MISSOURI
From 22-APR-11 09:43:00 to 22-APR-11 09:43:00 (CST-6)
Location: BRIDGETON TERRACE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ST. LOUIS, MISSOURI
From 22-APR-11 09:45:00 to 22-APR-11 09:45:00 (CST-6)
Location: CREVE COEUR
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ST. LOUIS, MISSOURI
From 22-APR-11 09:50:00 to 22-APR-11 09:50:00 (CST-6)
Location: FLORISSANT
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in FRANKLIN, MISSOURI
From 22-APR-11 10:01:00 to 22-APR-11 10:01:00 (CST-6)
Location: ANACONDA
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in FRANKLIN, MISSOURI
From 22-APR-11 10:05:00 to 22-APR-11 10:05:00 (CST-6)
Location: ST CLAIR MEM ARPT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in FRANKLIN, MISSOURI
From 22-APR-11 10:05:00 to 22-APR-11 10:05:00 (CST-6)
Location: CATAWISSA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ST. LOUIS, MISSOURI
From 22-APR-11 10:30:00 to 22-APR-11 10:32:00 (CST-6)
Location: LAKESHIRE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in JEFFERSON, MISSOURI
From 22-APR-11 10:36:00 to 22-APR-11 10:36:00 (CST-6)
Location: ARNOLD
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ST. LOUIS (C), MISSOURI
From 22-APR-11 10:37:00 to 22-APR-11 10:37:00 (CST-6)
Location: CARONDELET
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ST. LOUIS, MISSOURI
From 22-APR-11 10:30:00 to 22-APR-11 10:30:00 (CST-6)
Location: FENTON
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MONITEAU, MISSOURI
From 22-APR-11 07:59:00 to 22-APR-11 07:59:00 (CST-6)
Location: CALIFORNIA
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in FRANKLIN, MISSOURI
From 22-APR-11 09:35:00 to 22-APR-11 09:35:00 (CST-6)
Location: KRAKOW
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio