Alert archive / Virginia / Flash Flood Warnings in 2023
Flash Flood Warning 19, NWS Morristown, TN
NWS Morristown, TN issued this flash flood warning at Jul 15, 2023, 8:46 PM EDT for Sullivan County, Tennessee; Scott County, Washington County, City of Bristol, Virginia. It was in force for 104 min. 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 15, 2023, 8:46 PM EDT (00:46 UTC)
- Expired
- Jul 15, 2023, 10:30 PM EDT
- In force
- 104 min
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Sullivan County, TN, City of Bristol, VA, Scott County, VA, Washington County, VA
The radar
The Knoxville radar (KMRX), 114 km from the middle of the area, began a volume at 00:47 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
Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 0.8 hours before the alert went out and 221 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
- 1658 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 944 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 9 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.1
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 15, 7:12 PM EDT, 1 hour 34 minutes earlier.
Area forecast discussion, Jul 15, 7:12 PM EDT, 1 hour 34 minutes before
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</html>Hazardous weather outlook, Jul 15, 3:00 PM EDT, 5 hours 46 minutes before
Hazardous Weather Outlook...UPDATED National Weather Service Morristown TN 300 PM EDT Sat Jul 15 2023 NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002- 005-006-008-161900- 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- 300 PM EDT Sat Jul 15 2023 /200 PM CDT Sat Jul 15 2023/ This Hazardous Weather Outlook is for portions of southwest North Carolina...east Tennessee and southwest Virginia. .DAY ONE...This Afternoon and Tonight ...Potential of Damaging Winds and Localized Flash Flooding through this Evening... A few strong to severe storms, along with localized flash flooding, could occur through this evening. This could occur anywhere. However the primary areas of concern for both will be northeast of the Knoxville area, mostly in northeast Tennessee and southwest Virginia. .DAYS TWO THROUGH SEVEN...Sunday through Friday The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter reports for severe weather or localized flooding may be needed Today and Tonight.
In the hours before
Special weather statement, Jul 15, 5:32 PM EDT, 3 hours 14 minutes before
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</html>Local storm report, Jul 15, 6:00 PM EDT, 2 hours 46 minutes before
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</html>Special weather statement, Jul 15, 6:42 PM EDT, 2 hours 4 minutes before
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</html>Special weather statement, Jul 15, 7:30 PM EDT, 1 hour 16 minutes before
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</html>Local storm report, Jul 15, 7:41 PM EDT, 1 hour 5 minutes before
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</html>Local storm report, Jul 15, 7:45 PM EDT, 1 hour 1 minute before
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</html>Nearby
Flash Flood Warnings in Virginia, 2023Flash 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.