Warning Vector

Severe Thunderstorm Warning

NWS St Louis MO ยท US

Updated
This event was updated at .

Details

Severe Thunderstorm Warning Remains In Effect Until 430 PM CDT For Northwestern Saint Charles County

Event
Severe Thunderstorm Warning
Issued
Onset
Message expires
Expected end
Category
Meteorological
Urgency
Immediate
Severity
Severe
Certainty
Observed
Response
Shelter

Description

Overview

At 410 PM CDT, a severe thunderstorm was located over St. Paul, moving southeast at 5 mph.

Hazard

60 mph wind gusts and quarter size hail.

Source

Radar indicated.

Impacts

Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. This severe thunderstorm will be near... St. Paul and Josephville around 410 PM CDT. Wentzville around 415 PM CDT. O'Fallon, Lake St. Louis, Dardenne Prairie, St. Peters and Cottleville around 425 PM CDT. Other locations impacted by the severe thunderstorm include Flint Hill. This includes Interstate 70 in Missouri between exits 210 and 227.

Instructions

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

Affected areas

  • St. Charles County, MO

Public contact

Issuer
NWS St Louis MO

Message record

Received
Issue to receipt
~20s
CAP status
Actual
CAP message type
Update
Lifecycle
Updated
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M2RK9GT5K20MBW64BF6WABV9
Identifier
urn:oid:2.49.0.1.840.0.35e7bd28feae77a091680ff3f0157d7b524a5dda.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.5009
WMO heading
XOUS53
WMO data type
CAP alert message XML (XO)
WMO geography
United States (US)
WMO bulletin number
53

References

Sender
w-nws.webmaster@noaa.gov
Sent

Event codes

NameValue
SAMESVS
NationalWeatherServiceSVW

Parameters

NameValue
AWIPSidentifierSVSLSX
WMOidentifierWWUS53 KLSX 172110
NWSheadlineSEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR NORTHWESTERN SAINT CHARLES COUNTY
eventMotionDescription2026-09-17T20:38:00-00:00...storm...310DEG...3KT...38.85,-90.78
windThreatRADAR INDICATED
maxWindGust60 MPH
hailThreatRADAR INDICATED
maxHailSize1.00
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
EAS-ORGWXR
VTEC/O.CON.KLSX.SV.W.0255.000000T0000Z-260917T2130Z/
eventEndingTime2026-09-17T16:30:00-05:00
BLOCKCHANNELCMAS
Locations

Location data

  • St. Charles County, MO
NameValue
SAME029183
UGCMOC183
Polygons
38.78,-90.84 38.88,-90.84 38.88,-90.81 38.91,-90.8 38.92,-90.78 38.92,-90.76 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 38.78,-90.53 38.75,-90.7 38.78,-90.84