Alert archive / Tennessee / Flash Flood Warnings in 2022
Flash Flood Warning 19, NWS Morristown, TN
NWS Morristown, TN issued this flash flood warning at Jul 23, 2022, 6:36 PM EDT for Campbell County, Scott County, Tennessee. It was in force for 3 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 23, 2022, 6:36 PM EDT (22:36 UTC)
- Expired
- Jul 23, 2022, 9:30 PM EDT
- In force
- 3 hr
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Campbell County, TN, Scott County, TN
The radar
The Knoxville radar (KMRX), 87 km from the middle of the area, began a volume at 22:35 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
Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.6 hours before the alert went out and 338 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
- 1451 J/kg
- Mixed-layer CIN
- -183 J/kg
- Mixed-layer LCL
- 1391 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 110 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 23, 3:11 PM EDT, 3 hours 25 minutes earlier.
Area forecast discussion, Jul 23, 3:11 PM EDT, 3 hours 25 minutes before
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</html>Hazardous weather outlook, Jul 23, 3:12 PM EDT, 3 hours 24 minutes before
Hazardous Weather Outlook National Weather Service Morristown TN 312 PM EDT Sat Jul 23 2022 NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002- 005-006-008-241915- 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- 312 PM EDT Sat Jul 23 2022 /212 PM CDT Sat Jul 23 2022/ This Hazardous Weather Outlook is for portions of southwest North Carolina...east Tennessee and southwest Virginia. .DAY ONE...This Afternoon and Tonight No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Sunday through Friday Locally heavy rainfall will be possible mainly Monday through the week. As a result, localized flooding will also be possible each day. .SPOTTER INFORMATION STATEMENT... Spotter activation is not needed at this time.
In the hours before
Special weather statement, Jul 23, 5:09 PM EDT, 1 hour 27 minutes before
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</html>Special weather statement, Jul 23, 5:55 PM EDT, 41 minutes before
Special Weather Statement
National Weather Service Morristown TN
555 PM EDT Sat Jul 23 2022
TNZ013-232230-
Campbell TN-
555 PM EDT Sat Jul 23 2022
...A strong thunderstorm will impact portions of northwestern
Campbell County through 630 PM EDT...
At 555 PM EDT, Doppler radar was tracking a strong thunderstorm 8
miles northwest of Jacksboro, or 9 miles northwest of La Follette,
moving northeast at 10 mph.
HAZARD...Wind gusts up to 50 mph and half inch hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Caryville, Royal Blue and Elk Valley.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 3645 8412 3635 8425 3641 8433 3651 8432
3650 8428 3651 8427 3651 8426 3652 8426
TIME...MOT...LOC 2155Z 205DEG 9KT 3644 8428
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...50 MPH
BWThe office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 5:09 PM EDT | Special Weather Statement | MRX | Morgan | 51 min |
| Jul 23, 5:12 PM EDT | Special Weather Statement | MRX | Campbell | 48 min |
| Jul 23, 5:29 PM EDT | Special Weather Statement | MRX | Campbell | 31 min |
| Jul 23, 5:43 PM EDT | Severe Thunderstorm Warning | MRX | Scott | 32 min |
| Jul 23, 5:53 PM EDT | Areal Flood Advisory | MRX | Campbell | 3 hr |
| Jul 23, 5:55 PM EDT | Special Weather Statement | MRX | Campbell | 35 min |
| Jul 23, 6:11 PM EDT | Severe Thunderstorm Warning | MRX | Scott | 34 min |
| Jul 23, 6:17 PM EDT | Severe Thunderstorm Warning | MRX | Hancock, Hawkins | 23 min |
| Jul 23, 6:20 PM EDT | Areal Flood Advisory | MRX | Campbell, Scott | 16 min |
| Jul 23, 7:07 PM EDT | Areal Flood Advisory | MRX | Polk | 101 min |
| Jul 23, 7:49 PM EDT | Areal Flood Advisory | MRX | Scott | 116 min |
| Jul 23, 6:30 PM EDT | Flash Flood Warning | MRX | Russell | 3 hr |
| Jul 23, 7:24 PM EDT | Areal Flood Advisory | MRX | Wise | 108 min |
Nearby
Flash Flood Warnings in Tennessee, 2022Every flash flood warning in 2022
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.