743
WUUS53 KLSX 210347
SVRLSX
ILC133-MOC099-210430-
/O.NEW.KLSX.SV.W.0258.260921T0347Z-260921T0430Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service St Louis MO
1047 PM CDT Sun Sep 20 2026

The National Weather Service in St Louis has issued a

* Severe Thunderstorm Warning for...
  Northwestern Monroe County in southwestern Illinois...
  Northeastern Jefferson County in east central Missouri...

* Until 1130 PM CDT.

* At 1047 PM CDT, a severe thunderstorm was located over Horine, or
  over Pevely, moving east at 20 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...
  Festus, Antonia, Horine, Crystal City, Pevely, Herculaneum,
  Barnhart, Imperial, Harrisonville, Kimmswick, Valmeyer, Monroe
  City, Fountain, Madonnaville, Maeystown, Foster Pond, Waterloo and
  Columbia.

This includes the following State Parks...
Illinois Caverns State Natural Area, Mastodon Historic Site and Gov.
Dunklin`s Grave Historic Site.

This includes Interstate 55 in Missouri between exits 175 and 187.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds and large
hail.

&&

LAT...LON 3820 9048 3836 9050 3841 9035 3840 9034
      3839 9034 3840 9032 3842 9030 3846 9018
      3845 9018 3821 9011
TIME...MOT...LOC 0347Z 257DEG 15KT 3830 9044

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Carney