463
WGUS53 KLSX 211032
FFWLSX
ILC133-MOC099-211330-
/O.NEW.KLSX.FF.W.0043.250721T1032Z-250721T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service St Louis MO
532 AM CDT Mon Jul 21 2025

The National Weather Service in St Louis has issued a

* Flash Flood Warning for...
  Monroe County in southwestern Illinois...
  Northern Jefferson County in east central Missouri...

* Until 830 AM CDT.

* At 532 AM CDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Between 1 and 3 inches of rain
  have fallen. Additional rainfall amounts of 1 to 2 inches are
  possible in the warned area. Flash flooding is ongoing or expected
  to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar indicated.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Arnold, Festus, Eureka, Waterloo, Columbia, Pevely, Crystal City,
  Red Bud, Herculaneum, Hillsboro, Byrnes Mill, Barnhart, Antonia,
  Oakville, Mehlville, Murphy, High Ridge, Cedar Hill, Valmeyer and
  Cedar Hill Lakes.

This includes the following State Parks...
Mastodon Historic Site, Sandy Creek Covered Bridge Historic Site and
Gov. Dunklin`s Grave Historic Site.

This includes Interstate 55 in Missouri between exits 174 and 191.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 3839 9034 3843 9030 3852 9026 3831 9004
      3831 8991 3828 8990 3827 8992 3823 8990
      3817 9030 3827 9077 3848 9073 3845 9068
      3846 9065 3849 9065 3847 9062 3850 9059
      3850 9041 3848 9042 3845 9041 3845 9034

FLASH FLOOD...RADAR INDICATED

$$

BRC