Warning Vector

Flash Flood Warning

NWS Morristown TN ยท US

New

Details

Flash Flood Warning Issued September 23 At 6:29PM EDT Until September 23 At 9:30PM EDT By NWS Morristown TN

Event
Flash Flood Warning
Issued
Onset
Message expires
Expected end
Category
Meteorological
Urgency
Immediate
Severity
Severe
Certainty
Likely
Response
Avoid

Description

Overview

FFWMRX The National Weather Service in Morristown has issued a * Flash Flood Warning for... Central Knox County in east Tennessee... * Until 930 PM EDT. * At 629 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Flash flooding is ongoing or expected to begin shortly.

Hazard

Flash flooding caused by thunderstorms.

Source

Radar indicated.

Impacts

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... Knoxville and Bearden. This includes the following highways... Interstate 75 in Tennessee between mile markers 108 and 110. Interstate 40 in Tennessee between mile markers 377 and 393.

Instructions

Be aware of your surroundings and do not drive on flooded roads. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.

Affected areas

  • Knox County, TN

Public contact

Issuer
NWS Morristown TN

Message record

Received
Issue to receipt
~40s
CAP status
Actual
CAP message type
Alert
Lifecycle
New
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M38673ES8EMEA619DTVH2RMN
Identifier
urn:oid:2.49.0.1.840.0.b1ba0a8ebff10c91ff36fcc9dc1756b2b613a7ad.001.1
Sender
w-nws.webmaster@noaa.gov
Scope
Public
CAP source
211803 v2.3.0
Handling codes
IPAWSv1.0
Issuing office
NWS Morristown TN
AWIPS ID
CAPMRX
NWWS sequence
nwws_processor.7201
WMO heading
XOUS54
WMO data type
CAP alert message XML (XO)
WMO geography
United States (US)
WMO bulletin number
54

Event codes

NameValue
SAMEFFW
NationalWeatherServiceFFW

Parameters

NameValue
AWIPSidentifierFFWMRX
WMOidentifierWGUS54 KMRX 232229
flashFloodDetectionRADAR INDICATED
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
EAS-ORGWXR
VTEC/O.NEW.KMRX.FF.W.0079.260923T2229Z-260924T0130Z/
eventEndingTime2026-09-23T21:30:00-04:00
BLOCKCHANNELCMAS
Locations

Location data

  • Knox County, TN
NameValue
SAME047093
UGCTNC093
Polygons
36.06,-83.97 35.91,-84.11 35.88,-83.96 36.02,-83.84 36.06,-83.97