Alert archive / Tennessee / Flood Watches in 2019
Flood Watch 2, NWS Morristown, TN
NWS Morristown, TN issued this flood watch at Feb 21, 2019, 11:29 AM EST for 33 counties in Tennessee; 7 counties in Virginia; Cherokee County, Clay County, North Carolina. It took effect at Feb 21, 2019, 7:00 PM EST. It was in force for 60 hr.
The area
The counties it named.
The facts
- Issued
- Feb 21, 2019, 11:29 AM EST (16:29 UTC)
- In effect from
- Feb 21, 2019, 7:00 PM EST
- Expired
- Feb 24, 2019, 7:00 AM EST
- In force
- 60 hr
- Issued by
- NWS Morristown, TN
- Flood severity
- None
All 42 counties
Cherokee County, NC, Clay County, NC, Anderson County, TN, Bledsoe County, TN, Blount County, TN, Bradley County, TN, Campbell County, TN, Carter County, TN, Claiborne County, TN, Cocke County, TN, Grainger County, TN, Greene County, TN, Hamblen County, TN, Hamilton County, TN, Hancock County, TN, Hawkins County, TN, Jefferson County, TN, Johnson County, TN, Knox County, TN, Loudon County, TN, Marion County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Morgan County, TN, Polk County, TN, Rhea County, TN, Roane County, TN, Scott County, TN, Sequatchie County, TN, Sevier County, TN, Sullivan County, TN, Unicoi County, TN, Union County, TN, Washington County, TN, City of Bristol, VA, City of Norton, VA, Lee County, VA, Russell County, VA, Scott County, VA, Washington County, VA, Wise County, VA
The radar
The Knoxville radar (KMRX), 27 km from the middle of the area, began a volume at 16:31 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
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 4.5 hours before the alert went out and 306 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 411 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 199 m²/s²
- 0-3 km storm-relative helicity
- 183 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
What forecasters said that day
The local office's own words before this flood watch 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 flood watch went out at Feb 21, 6:22 AM EST, 5 hours 7 minutes earlier.
Area forecast discussion, Feb 21, 6:22 AM EST, 5 hours 7 minutes before
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</html>Hazardous weather outlook, Feb 21, 2:50 AM EST, 8 hours 39 minutes before
Hazardous Weather Outlook National Weather Service Morristown TN 250 AM EST Thu Feb 21 2019 NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002- 005-006-008-220800- 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-NW 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-Russell-Washington- 250 AM EST Thu Feb 21 2019 /150 AM CST Thu Feb 21 2019/ This Hazardous Weather Outlook is for portions of Southwest North Carolina...East Tennessee and Southwest Virginia. .DAY ONE...Today and Tonight Rainfall chances will continue today and increase tonight. With the recent rainfall over the past weeks... streams, rivers, and other low lying areas may see additional isolated flooding. .DAYS TWO THROUGH SEVEN...Friday through Wednesday Periods of moderate to heavy rain are expected across the area Friday and Friday night, then again on Saturday night. The heaviest rain looks to occur during the day on Friday. Since the ground is already saturated and streams are high, flooding can be expected. .SPOTTER INFORMATION STATEMENT... Spotter reports will be needed for flooding tonight through Saturday night.
In the hours before
Local storm report, Feb 21, 6:16 AM EST, 5 hours 13 minutes before
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</html>The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 20, 9:01 PM EST | River Flood Warning | MRX | Hamilton | 5 days |
| Feb 20, 9:01 PM EST | River Flood Warning | MRX | Claiborne, Hancock | 5 days |
| Feb 20, 9:32 PM EST | River Flood Advisory | MRX | Grainger, Hancock | 36 hr |
| Feb 20, 9:32 PM EST | River Flood Advisory | MRX | Hancock | 36 hr |
| Feb 21, 9:59 AM EST | River Flood Warning | MRX | Grainger, Hancock | 4 days |
| Feb 21, 9:59 AM EST | River Flood Warning | MRX | Morgan, Roane | 65 hr |
| Feb 21, 9:59 AM EST | River Flood Warning | MRX | Cocke | 17 hr |
| Feb 20, 7:31 PM EST | Areal Flood Advisory | MRX | Lee, Wise | 6 hr |
| Feb 20, 9:32 PM EST | River Flood Advisory | MRX | Russell, Scott | 36 hr |
Nearby
Flood Watches in Tennessee, 2019Flood Watches in Virginia, 2019Flood Watches in North Carolina, 2019Every flood watch in 2019
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.