The NWS has issued a SEVERE THUNDERSTORM WARNING for the City until 4:45 PM 8/10/2018. #stlwx #ReadySTL 
* At 402 PM CDT, a severe thunderstorm was located over Jennings,
moving east at 15 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...
St. Louis, Florissant, Belleville, University City, Granite City,
East St. Louis, Hazelwood, Collinsville, Edwardsville, Webster
Groves, Ferguson, Creve Coeur, Fairview Heights, Overland, Clayton,
Cahokia, Jennings, St. Ann, Glen Carbon and Bridgeton.
This includes Interstate 64 in Illinois near exit 9.
This also includes Scott Joplin Historic Site and Horseshoe Lake
State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
Instructions:
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Address/Location
City of St. Louis Emergency Management
1915 Olive St
St. Louis, MO 63103
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