Warning Vector

Flash Flood Warning

NWS Morristown TN ยท US

Updated

Details

Flash Flood Warning Remains In Effect Until Midnight EDT Tonight For Northeastern Knox County

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

Description

Overview

At 957 PM EDT, local law enforcement reported heavy rain and flooding in Halls. Between 2 and 4 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is already occurring.

Hazard

Flash flooding caused by heavy rain.

Source

Law enforcement reported.

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... Halls, Maloneyville, Mascot and House Mountain State Park. This includes Interstate 40 in Tennessee between mile markers 397 and 399.

Instructions

Be aware of your surroundings and do not drive on flooded roads.

Affected areas

  • Knox County, TN

Public contact

Issuer
NWS Morristown TN

Message record

Received
Issue to receipt
~1m23s
CAP status
Actual
CAP message type
Update
Lifecycle
Updated
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M38J5879HJ0DDRPAFNDWZ5VQ
Identifier
urn:oid:2.49.0.1.840.0.07a739d9a0fa7723b9f88528196a02e37aaa5d87.001.1
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.2919
WMO heading
XOUS54
WMO data type
CAP alert message XML (XO)
WMO geography
United States (US)
WMO bulletin number
54

References

Sender
w-nws.webmaster@noaa.gov
Sent

Event codes

NameValue
SAMEFFS
NationalWeatherServiceFFW

Parameters

NameValue
AWIPSidentifierFFSMRX
WMOidentifierWGUS74 KMRX 240157
NWSheadlineFLASH FLOOD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT FOR NORTHEASTERN KNOX COUNTY
flashFloodDetectionOBSERVED
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
EAS-ORGWXR
VTEC/O.CON.KMRX.FF.W.0081.000000T0000Z-260924T0400Z/
eventEndingTime2026-09-24T00:00:00-04:00
BLOCKCHANNELCMAS
Locations

Location data

  • Knox County, TN
NameValue
SAME047093
UGCTNC093
Polygons
36.07,-83.99 36.16,-83.91 36.09,-83.71 35.99,-83.75 36.07,-83.99