A warm front lifting north triggered slow moving severe thunderstorms across the area. The storms produced wind and hail damage and localized flash flooding.

Hail in BOONE, MISSOURI
From 25-MAY-08 15:16:00 to 25-MAY-08 15:16:00 (CST-6)
Location: STURGEON
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in AUDRAIN, MISSOURI
From 25-MAY-08 17:10:00 to 25-MAY-08 17:10:00 (CST-6)
Location: LADDONIA
Magnitude: 0.88 
Reported by: Trained Spotter

Storm spotters reported nickel size hail.

Hail in PIKE, MISSOURI
From 25-MAY-08 17:45:00 to 25-MAY-08 17:45:00 (CST-6)
Location: LOUISIANA
Magnitude: 0.75 
Reported by: COOP Observer

Hail in WARREN, MISSOURI
From 25-MAY-08 17:58:00 to 25-MAY-08 17:58:00 (CST-6)
Location: WARRENTON
Magnitude: 0.88 
Reported by: Public

Hail in WARREN, MISSOURI
From 25-MAY-08 18:20:00 to 25-MAY-08 18:20:00 (CST-6)
Location: WRIGHT CITY
Magnitude: 1.75 
Reported by: Trained Spotter

Storm spotters reported hail up to golf ball size.

Thunderstorm Wind in CRAWFORD, MISSOURI
From 25-MAY-08 19:05:00 to 25-MAY-08 19:05:00 (CST-6)
Location: STEELVILLE
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Local law enforcement reported trees and power lines down.

Thunderstorm Wind in CRAWFORD, MISSOURI
From 25-MAY-08 19:10:00 to 25-MAY-08 19:10:00 (CST-6)
Location: CUBA
Magnitude: 52.00 EG
Property damage: 5.00K
Reported by: Law Enforcement

Local law enforcement reported trees and power lines down.

Hail in BOONE, MISSOURI
From 25-MAY-08 19:10:00 to 25-MAY-08 19:10:00 (CST-6)
Location: ASHLAND
Magnitude: 1.00 
Reported by: Broadcast Media

Hail in CALLAWAY, MISSOURI
From 25-MAY-08 19:23:00 to 25-MAY-08 19:23:00 (CST-6)
Location: FULTON
Magnitude: 1.00 
Reported by: Fire Department/Rescue

Thunderstorm Wind in CRAWFORD, MISSOURI
From 25-MAY-08 19:25:00 to 25-MAY-08 19:25:00 (CST-6)
Location: BOURBON
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: Law Enforcement

Local law enforcement reported trees and power lines down.

Hail in ST. LOUIS, MISSOURI
From 25-MAY-08 19:27:00 to 25-MAY-08 19:27:00 (CST-6)
Location: MANCHESTER
Magnitude: 0.75 
Reported by: Trained Spotter

Storm spotters reported 3/4 inch hail on Manchester Road just west of I-270.

Hail in ST. LOUIS, MISSOURI
From 25-MAY-08 19:15:00 to 25-MAY-08 19:30:00 (CST-6)
Location: BALLWIN
Magnitude: 1.00 
Reported by: Trained Spotter

Storm spotters reported hail ranging from pea to one inch fell for 15 minutes.

Hail in ST. LOUIS, MISSOURI
From 25-MAY-08 19:40:00 to 25-MAY-08 19:40:00 (CST-6)
Location: KIRKWOOD
Magnitude: 1.00 
Reported by: Trained Spotter

Storm spotters reported one inch hail just northwest of Kirkwood.

Hail in ST. LOUIS, MISSOURI
From 25-MAY-08 19:42:00 to 25-MAY-08 19:42:00 (CST-6)
Location: DES PERES
Magnitude: 1.00 
Reported by: Trained Spotter

Storm spotters reported one inch hail just northwest of Kirkwood.

Hail in ST. LOUIS, MISSOURI
From 25-MAY-08 19:45:00 to 25-MAY-08 19:45:00 (CST-6)
Location: TOWN AND COUNTRY
Magnitude: 1.50 
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Storm spotters reported hail up to 1.5 inch at Mason Road and I-64. There was minor damage to some automobiles.

Thunderstorm Wind in FRANKLIN, MISSOURI
From 25-MAY-08 19:40:00 to 25-MAY-08 19:40:00 (CST-6)
Location: SULLIVAN
Magnitude: 55.00 EG
Property damage: 5.00K
Reported by: Amateur Radio

A couple of power lines were downed by thunderstorm wind gusts.

Hail in ST. LOUIS, MISSOURI
From 25-MAY-08 19:54:00 to 25-MAY-08 19:54:00 (CST-6)
Location: CREVE COEUR
Magnitude: 1.50 
Reported by: Trained Spotter

Storm spotters reported hail up to 1.5 inch at Olive Blvd and I-270.

Hail in ST. LOUIS, MISSOURI
From 25-MAY-08 20:03:00 to 25-MAY-08 20:03:00 (CST-6)
Location: OLIVETTE
Magnitude: 0.88 
Reported by: Trained Spotter

Storm spotters reported nickel size hail at I-270 and Page Blvd. and at Olive Blvd. and Ballas Road.

Thunderstorm Wind in FRANKLIN, MISSOURI
From 25-MAY-08 20:10:00 to 25-MAY-08 20:10:00 (CST-6)
Location: VILLA RIDGE
Magnitude: 52.00 EG
Property damage: 5.00K
Reported by: Law Enforcement

Local law enforcement reported trees and power lines down.

Thunderstorm Wind in JEFFERSON, MISSOURI
From 25-MAY-08 20:25:00 to 25-MAY-08 20:25:00 (CST-6)
Location: HIGH RIDGE
Magnitude: 52.00 EG
Property damage: 5.00K
Reported by: Law Enforcement

Local law enforcement reported trees and power lines down.

Thunderstorm Wind in ST. LOUIS, MISSOURI
From 25-MAY-08 21:03:00 to 25-MAY-08 21:03:00 (CST-6)
Location: JENNINGS
Magnitude: 52.00 EG
Reported by: Trained Spotter

Storm spotters estimated 60 mph wind gusts.

Flash Flood in MONTGOMERY, MISSOURI
From 25-MAY-08 20:15:00 to 25-MAY-08 23:30:00 (CST-6)
Location: MONTGOMERY CITY
Flood cause: Heavy Rain
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rain flooded several county roads. Two people had to be rescued from a car trapped in flood water on Highway Y two miles east of Highway 19.

Flash Flood in ST. CHARLES, MISSOURI
From 25-MAY-08 20:15:00 to 26-MAY-08 00:00:00 (CST-6)
Location: FLINT HILL
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Rainfall over 6 inches in some locations caused flash flooding across Northern St. Charles County. Fifteen water rescues were performed by local emergency service agencies. Highway 61 was closed at two locations due to water rapidly flowing across the road. Big Creek, Peruque Creek, and Dardenne Creek all overflowed. Flint Hill suffered the most damage as a small creek in town became a roaring river. At a Amerigas facility, at least 7 propane tanks were picked up and deposited about one mile downstream. The baseball fields in town were heavily damaged due to as much as 3 feet of water flowing through. Highway 79, County Highways P, M, and C were all flooded and closed.

Hail in ST. CHARLES, MISSOURI
From 25-MAY-08 11:19:00 to 25-MAY-08 11:19:00 (CST-6)
Location: ST PETERS
Magnitude: 1.00 
Reported by: Trained Spotter

Hail up to 1 inch was reported along Highway 94 at Jungermann and Kisker roads.

Hail in ST. LOUIS, MISSOURI
From 25-MAY-08 19:35:00 to 25-MAY-08 19:35:00 (CST-6)
Location: KIRKWOOD
Magnitude: 0.75 
Reported by: Trained Spotter

Storm spotters reported 3/4 inch hail at Manchester and Geyer roads.

Hail in ST. LOUIS (C), MISSOURI
From 25-MAY-08 12:17:00 to 25-MAY-08 12:17:00 (CST-6)
Location: ST LOUIS
Magnitude: 0.88 
Reported by: Law Enforcement

Hail in JEFFERSON, MISSOURI
From 25-MAY-08 13:50:00 to 25-MAY-08 13:50:00 (CST-6)
Location: HILLSBORO
Magnitude: 1.25 
Property damage: 2.00K
Reported by: Trained Spotter

Storm spotters reported hail up to 1 1/4 inch in diameter. There was minor damage to some automobiles.