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St Louis County MO Office of Emergency Management
Saturday June 9th, 2018 :: 10:55 a.m. CDT

Alert

Severe Thunderstorm Warning until 11:30AM

The National Weather Service in St Louis has issued a

* Severe Thunderstorm Warning for... Northwestern Monroe County in southwestern Illinois... West central St. Clair County in southwestern Illinois... Northeastern Jefferson County in east central Missouri... South central St. Louis County in east central Missouri...

* Until 1130 AM CDT.

* At 1050 AM CDT, a severe thunderstorm was located over Arnold, moving southeast at 30 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.

* Locations impacted include... Arnold, Waterloo, Columbia, Barnhart, Mehlville, Oakville, Antonia, Smithton, Green Park, Valmeyer, Fountain, New Design, Concord, Imperial, Sappington, Barr, Maeystown, Kimmswick, Madonnaville and Floraville. This includes Interstate 55 in Missouri between exits 185 and 191. This also includes Mastodon Historic Site. HAIL...1.00IN WIND...60MPH

* AFFECTED AREAS: JEFFERSON ... ST. LOUIS

Instructions:

For your protection move to an interior room on the lowest floor of a building.

Address/Location
St Louis County MO Office of Emergency Management
1150 Hanna Rd
Ballwin, MO 63021

Contact
Emergency: 9-1-1

Alert Details

Severity:
Severe - Significant threat to life or property
Urgency:
Immediate - Responsive action SHOULD be taken immediately
Certainty:
Observed - Determined to have occurred or to be ongoing
Category:
Meteorological (inc. flood)
Event:
Severe Thunderstorm Warning

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