Alert archive / Tennessee / River Flood Warnings in 2020

River Flood Warning 27, NWS Morristown, TN

April 12, 2020Cocke County, Tennessee

NWS Morristown, TN issued this river flood warning at Apr 12, 2020, 9:32 AM EDT for Cocke County, Tennessee. It took effect at Apr 13, 2020, 5:54 AM EDT. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued
Apr 12, 2020, 9:32 AM EDT (13:32 UTC)
In effect from
Apr 13, 2020, 5:54 AM EDT
Expired
Apr 14, 2020, 5:25 AM EDT
In force
24 hr
Issued by
NWS Morristown, TN
Area
Storm-based polygon
Flood severity
Minor

County Cocke County, TN

The radar

The Knoxville radar (KMRX), 37 km from the middle of the area, began a volume at 13:34 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 river

Written for the forecast point Pigeon River at Newport (NEPT1). The gauge peaked at 16.30 ft at Apr 13, 2020, 1:00 PM EDT.

actionminormoderatemajor5101504/1204/1304/1404/15
Action stage
6 ft
Minor stage
8 ft
Moderate stage
10 ft
Major stage
12 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 03461500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river 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 river flood warning went out at Apr 12, 7:10 AM EDT, 2 hours 22 minutes earlier.

Area forecast discussion, Apr 12, 7:10 AM EDT, 2 hours 22 minutes before
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Hazardous weather outlook, Apr 12, 3:44 AM EDT, 5 hours 48 minutes before
Hazardous Weather Outlook
National Weather Service Morristown TN
344 AM EDT Sun Apr 12 2020

NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002-
005-006-008-130745-
Cherokee-Clay-Scott-Campbell-Claiborne-Hancock-Hawkins-Sullivan-
Johnson-Morgan-Anderson-Union-Grainger-Hamblen-Northwest Cocke-
Cocke Smoky Mountains-Northwest Greene-Southeast Greene-
Washington-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-Russell-
344 AM EDT Sun Apr 12 2020 /244 AM CDT Sun Apr 12 2020/

This Hazardous Weather Outlook is for portions of southwest North
Carolina...east Tennessee and southwest Virginia.

.DAY ONE...Today and Tonight

...Windy Conditions Develop Late Today and Tonight, especially for
the far East Tennessee Mountains and Foothills...
...Periods of Heavy Rain and Possible Flooding for the Plateau,
Central and Southern Sections of East Tennessee, and southwest
North Carolina for this Afternoon and Tonight...
...Severe Storms Possible from this Evening through Early Monday
Morning...

A severe weather outbreak is possible across the Tennessee Valley
region Sunday evening through early Monday morning. Damaging winds
up to 70 mph will be the greatest threat from these storms but
there is a risk of isolated tornadoes across the Plateau,
southeast Tennessee, and southwest North Carolina. Hail up to
quarter size is also possible.

Periods of heavy rain is also anticipated with the greatest risk
of flash flooding across the Plateau, central and southern section
of the east Tennessee, and southwest North Carolina. Stream
flooding, roadway flooding, and flooding of low lying areas are
possible.

High winds will develop across the East TN mountains and adjacent
foothills Today and continue into Monday morning. Southerly winds
may gust up to 80 mph in some locations during that time. Windy
conditions will also develop elsewhere late today through Monday
morning with gusts up to 35-40 mph possible.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

...Wind Advisory for southwest Virginia and northeast Tennessee
Monday Morning...

Otherwise, Hazardous weather is not expected.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will likely be this evening and overnight.
Please relay any information about severe weather to the NWS while
following local, state, and CDC guidelines.

The office that day

Everything else NWS Morristown, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 11, 9:32 PM EDTWind AdvisoryMRXAnderson, Bledsoe, Blount, Bradley, Campbell, Carter and 27 more42 hr
Apr 11, 9:41 PM EDTFlash Flood WatchMRXAnderson, Bledsoe, Blount, Bradley, Campbell, Claiborne and 15 more32 hr
Apr 12, 9:37 AM EDTRiver Flood WarningMRXHawkins, Sullivan57 hr
Apr 12, 9:44 AM EDTRiver Flood WarningMRXClaiborne, Grainger, Hancock3 days
Apr 12, 9:44 AM EDTRiver Flood WarningMRXClaiborne, Union60 hr
Apr 12, 10:26 AM EDTRiver Flood WarningMRXHamilton3 days
Apr 12, 10:28 AM EDTRiver Flood WarningMRXBledsoe, Marion, Sequatchie62 hr
Apr 12, 10:32 AM EDTRiver Flood AdvisoryMRXMorgan, Roane12 hr

Nearby

River Flood Warnings in Tennessee, 2020Every river flood warning in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.