Alert archive / Tennessee / Flash Flood Warnings in 2023
Flash Flood Warning 12, NWS Morristown, TN
NWS Morristown, TN issued this flash flood warning at Jul 6, 2023, 1:01 PM EDT for Morgan County, Tennessee. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 6, 2023, 1:01 PM EDT (17:01 UTC)
- Expired
- Jul 6, 2023, 5:00 PM EDT
- In force
- 4 hr
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
- Flood severity
- None
County Morgan County, TN
The radar
The Knoxville radar (KMRX), 112 km from the middle of the area, began a volume at 17:03 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 5.0 hours before the alert went out and 175 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 495 J/kg
- Mixed-layer CIN
- -68 J/kg
- Mixed-layer LCL
- 919 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 47 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Morristown, TN wrote its last area forecast discussion before this flash flood warning went out at Jul 6, 11:01 AM EDT, 2 hours earlier.
Area forecast discussion, Jul 6, 11:01 AM EDT, 2 hours before
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</html>Hazardous weather outlook, Jul 6, 3:36 AM EDT, 9 hours 25 minutes before
Hazardous Weather Outlook National Weather Service Morristown TN 336 AM EDT Thu Jul 6 2023 NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002- 005-006-008-070745- Cherokee-Clay-Scott TN-Campbell-Claiborne-Hancock-Hawkins- Sullivan-Johnson-Morgan-Anderson-Union-Grainger-Hamblen- Northwest Cocke-Cocke Smoky Mountains-Northwest Greene- Southeast Greene-Washington TN-Unicoi-Northwest Carter- Southeast Carter-Roane-Loudon-Knox-Jefferson-Northwest Blount- Blount Smoky Mountains-North Sevier-Sevier Smoky Mountains- Sequatchie-Bledsoe-Rhea-Meigs-McMinn-Northwest Monroe- Southeast Monroe-Marion-Hamilton-Bradley-West Polk-East Polk-Lee- Wise-Scott VA-Russell-Washington VA- 336 AM EDT Thu Jul 6 2023 /236 AM CDT Thu Jul 6 2023/ This Hazardous Weather Outlook is for portions of southwest North Carolina...east Tennessee and southwest Virginia. .DAY ONE...Today and Tonight Scattered storms will redevelop this afternoon across the Plateau and western sections of the Tennessee valley then move east into the rest of the area. Main concern with these storms will be locally heavy rainfall with isolated flash flooding possible. .DAYS TWO THROUGH SEVEN...Friday through Wednesday Scattered showers and thunderstorms are expected through early next week. Isolated stronger storms are possible, in addition to localized flash flooding due to repeated rainfall from slow- moving or training storms. While the potential exists each day, the risk for strong to severe storms is elevated on Sunday with an elevated flooding concern on Sunday and Monday. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected.
The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 12:42 PM EDT | Areal Flood Advisory | MRX | Morgan | 3 hr |
| Jul 6, 1:57 PM EDT | Areal Flood Advisory | MRX | Rhea, Roane | 3 hr |
| Jul 6, 2:19 PM EDT | Special Weather Statement | MRX | McMinn | 26 min |
| Jul 6, 2:20 PM EDT | Flash Flood Warning | MRX | Rhea | 3 hr |
| Jul 6, 3:57 PM EDT | Special Weather Statement | MRX | Hamblen | 33 min |
| Jul 6, 7:17 PM EDT | Special Weather Statement | MRX | Hamilton | 43 min |
| Jul 6, 7:59 PM EDT | Special Weather Statement | MRX | Hamilton | 31 min |
Nearby
Flash Flood Warnings in Tennessee, 2023Every flash flood warning in 2023
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.