Flash Flood Warning
NWS Morristown TN ยท US
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
- Website
- http://www.weather.gov
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
| Name | Value |
|---|---|
| SAME | FFW |
| NationalWeatherService | FFW |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | FFWMRX |
| WMOidentifier | WGUS54 KMRX 232229 |
| flashFloodDetection | RADAR INDICATED |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.NEW.KMRX.FF.W.0079.260923T2229Z-260924T0130Z/ |
| eventEndingTime | 2026-09-23T21:30:00-04:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Knox County, TN
| Name | Value |
|---|---|
| SAME | 047093 |
| UGC | TNC093 |
- Polygons
- 36.06,-83.97 35.91,-84.11 35.88,-83.96 36.02,-83.84 36.06,-83.97