Warning Vector

Flood Advisory

NWS St Louis MO ยท US

New
This event was updated at .

Details

Flood Advisory In Effect Until 645 PM CDT This Evening

Event
Flood Advisory
Issued
Onset
Message expires
Expected end
Category
Meteorological
Urgency
Expected
Severity
Minor
Certainty
Likely
Response
Avoid

Description

What

Urban area and small stream flooding caused by excessive rainfall is expected.

Where

Northwestern Saint Charles County in east central Missouri...

When

Until 645 PM CDT.

Impacts

Minor flooding in low-lying and poor drainage areas.

Additional details

- At 350 PM CDT, Doppler radar indicated heavy rain due to thunderstorms. This will cause urban and small stream flooding. Up to 2 inches of rain have fallen. - Some locations that will experience flooding include... O'Fallon, St. Charles, St. Peters, Wentzville, Lake St. Louis, St. Paul, Josephville and Kampville.

Instructions

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Affected areas

  • St. Charles County, MO

Public contact

Issuer
NWS St Louis MO

Message record

Received
Issue to receipt
~1m0s
CAP status
Actual
CAP message type
Alert
Lifecycle
New
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M2RJ63WDE2CEP3N6F544JC6W
Identifier
urn:oid:2.49.0.1.840.0.f5777672f88794a15e525063065aa6f50019381a.001.1
Sender
w-nws.webmaster@noaa.gov
Scope
Public
CAP source
211803 v2.3.0
Handling codes
IPAWSv1.0
Issuing office
NWS St Louis MO
AWIPS ID
CAPLSX
NWWS sequence
nwws_processor.4520
WMO heading
XOUS53
WMO data type
CAP alert message XML (XO)
WMO geography
United States (US)
WMO bulletin number
53

Event codes

NameValue
SAMENWS
NationalWeatherServiceFAY

Parameters

NameValue
AWIPSidentifierFLSLSX
WMOidentifierWGUS83 KLSX 172050
NWSheadlineFLOOD ADVISORY IN EFFECT UNTIL 645 PM CDT THIS EVENING
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
VTEC/O.NEW.KLSX.FA.Y.0101.260917T2050Z-260917T2345Z/
eventEndingTime2026-09-17T18:45:00-05:00
BLOCKCHANNELCMAS
Locations

Location data

  • St. Charles County, MO
NameValue
SAME029183
UGCMOC183
Polygons
38.88,-90.54 38.79,-90.53 38.78,-90.84 38.88,-90.84 38.88,-90.81 38.9,-90.81 38.91,-90.8 38.92,-90.78 38.93,-90.73 38.92,-90.72 38.92,-90.73 38.91,-90.72 38.92,-90.71 38.92,-90.68 38.93,-90.7 38.93,-90.67 38.89,-90.63 38.87,-90.58 38.88,-90.54