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St Louis County MO Office of Emergency Management
Wednesday August 21st, 2019 :: 09:56 p.m. CDT

Alert

Flash Flood Warning until 05:45AM Thursday

The National Weather Service in St Louis has issued a

* Flash Flood Warning for... St. Louis City in east central Missouri... Southwestern St. Charles County in east central Missouri... Northern Jefferson County in east central Missouri... Central Franklin County in east central Missouri... St. Louis County in east central Missouri... Southern Warren County in east central Missouri... East central Gasconade County in east central Missouri...

* Until 545 AM CDT Thursday.

* At 952 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to 2.5 inches of rainfall have fallen between 845 pm and 945 pm. Flash flooding is expected to begin shortly.

* Some locations that will experience flooding include... St. Louis, O'Fallon, St. Charles, St. Peters, Florissant, Chesterfield, Wildwood, University City, Ballwin, Wentzville, Kirkwood, Maryland Heights, Hazelwood, Webster Groves, Ferguson, Arnold, Manchester, Creve Coeur, Overland and Clayton. This includes the following highways... Interstate 44 in Missouri between exits 247 and 277. Interstate 55 in Missouri between exits 190 and 191. Interstate 70 in Missouri between exits 227 and 231. This also includes Babler Memorial State Park, Scott Joplin Historic Site, Route 66 State Park, Castlewood State Park, First Missouri State Capitol Historic Site, and Robertsville State Park.

* AFFECTED AREAS: FRANKLIN, MO ... JEFFERSON, MO ... GASCONADE, MO ... ST. LOUIS CITY, MO ... ST. CHARLES, MO ... ST. LOUIS, MO ... WARREN, MO

Instructions:

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Excessive runoff from heavy rainfall will cause flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other drainage areas and low lying spots.

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:
Likely (p > ~50%)
Category:
Meteorological (inc. flood)
Event:
Flash Flood Warning

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