A cold front moved through the region triggering numerous showers and thunderstorms.  Some of the storms produced severe weather including large hail and damaging winds.

Thunderstorm Wind in WASHINGTON, MISSOURI
From 02-JUN-09 11:45:00 to 02-JUN-09 11:45:00 (CST-6)
Location: SPRINGTOWN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Several trees were blown down south of Potosi.

Thunderstorm Wind in IRON, MISSOURI
From 02-JUN-09 12:30:00 to 02-JUN-09 12:30:00 (CST-6)
Location: VIBURNUM
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several large trees were blown down.

Thunderstorm Wind in ST. LOUIS (C), MISSOURI
From 02-JUN-09 12:50:00 to 02-JUN-09 12:50:00 (CST-6)
Location: ST LOUIS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm winds peeled pieces of an artificial brick facade off the Renaissance Suites Hotel next to the America's Center.  Also, several trees were blown over in the area.

Hail in ST. LOUIS, MISSOURI
From 02-JUN-09 13:00:00 to 02-JUN-09 13:00:00 (CST-6)
Location: EUREKA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in ST. LOUIS, MISSOURI
From 02-JUN-09 13:00:00 to 02-JUN-09 13:00:00 (CST-6)
Location: CRESCENT
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several large trees were blown down near the intersection of I-44 and Highway 109.

Hail in ST. LOUIS, MISSOURI
From 02-JUN-09 13:10:00 to 02-JUN-09 13:10:00 (CST-6)
Location: MANCHESTER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in ST. LOUIS, MISSOURI
From 02-JUN-09 13:30:00 to 02-JUN-09 13:30:00 (CST-6)
Location: CHARLACK
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds blew down several power lines.

Thunderstorm Wind in ST. CHARLES, MISSOURI
From 02-JUN-09 18:30:00 to 02-JUN-09 18:30:00 (CST-6)
Location: ST PAUL
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm winds blew down a two foot diameter tree at the intersection of Highway 79 and Route Y.

Thunderstorm Wind in ST. CHARLES, MISSOURI
From 02-JUN-09 19:14:00 to 02-JUN-09 19:14:00 (CST-6)
Location: PORTAGE DES SIOUX
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm winds blew down numerous large tree limbs.

Hail in JEFFERSON, MISSOURI
From 02-JUN-09 13:05:00 to 02-JUN-09 13:05:00 (CST-6)
Location: HIGH RIDGE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ST. LOUIS, MISSOURI
From 02-JUN-09 13:13:00 to 02-JUN-09 13:13:00 (CST-6)
Location: LEMAY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm Wind in ST. LOUIS, MISSOURI
From 02-JUN-09 13:10:00 to 02-JUN-09 13:10:00 (CST-6)
Location: FENTON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Some large tree limbs were blown down around town.

Thunderstorm Wind in ST. LOUIS, MISSOURI
From 02-JUN-09 13:15:00 to 02-JUN-09 13:15:00 (CST-6)
Location: KIRKWOOD
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds blew down several power lines.

Hail in ST. LOUIS, MISSOURI
From 02-JUN-09 13:16:00 to 02-JUN-09 13:16:00 (CST-6)
Location: FRONTENAC
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in ST. LOUIS, MISSOURI
From 02-JUN-09 13:16:00 to 02-JUN-09 13:16:00 (CST-6)
Location: FENTON
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ST. LOUIS, MISSOURI
From 02-JUN-09 13:20:00 to 02-JUN-09 13:20:00 (CST-6)
Location: KIRKWOOD
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm Wind in ST. LOUIS, MISSOURI
From 02-JUN-09 13:21:00 to 02-JUN-09 13:21:00 (CST-6)
Location: OLIVETTE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm winds blew down numerous large tree limbs.

Thunderstorm Wind in ST. LOUIS, MISSOURI
From 02-JUN-09 13:25:00 to 02-JUN-09 13:25:00 (CST-6)
Location: CLAYTON
Magnitude: 61.00 EG
Reported by: Emergency Manager

Thunderstorm winds caused moderate roof damage to the St. Louis County Police Headquarters in Clayton.  About a 50 foot by 50 foot section of the roof was peeled back by the thunderstorm winds.  Also, nearby awnings and store signs were damaged and several small trees were snapped off along the street.

Thunderstorm Wind in ST. LOUIS, MISSOURI
From 02-JUN-09 13:25:00 to 02-JUN-09 13:25:00 (CST-6)
Location: UNIVERSITY CITY
Magnitude: 61.00 EG
Reported by: Trained Spotter

Two large sycamores were uprooted. Both were at least 2 and a half feet in diameter.  Also, a three foot diameter oak tree was uprooted and fell onto a house causing moderate damage.