Alert archive / Tennessee / Areal Flood Advisories in 2021

Areal Flood Advisory 39, NWS Morristown, TN

May 28, 2021Campbell County, Morgan County, Scott County, Tennessee

NWS Morristown, TN issued this areal flood advisory at May 28, 2021, 2:58 PM EDT for Campbell County, Morgan County, Scott County, Tennessee. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: May 28, 2021, 2:58 PM EDT (18:58 UTC)
Expired: May 28, 2021, 6:00 PM EDT
In force: 3 hr
Issued by: NWS Morristown, TN
Area: Storm-based polygon

Counties Campbell County, TN, Morgan County, TN, Scott County, TN

The radar

The Knoxville radar (KMRX), 94 km from the middle of the area, began a volume at 19:01 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.

What forecasters said that day

The local office's own words before this areal flood advisory 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 areal flood advisory went out at May 28, 11:52 AM EDT, 3 hours 6 minutes earlier.

Area forecast discussion, May 28, 11:52 AM EDT, 3 hours 6 minutes before

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Hazardous weather outlook, May 28, 3:24 AM EDT, 11 hours 34 minutes before

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In the hours before

Special weather statement, May 28, 2:44 PM EDT, 14 minutes before

Special Weather Statement
National Weather Service Morristown TN
244 PM EDT Fri May 28 2021

TNZ015-016-038-VAZ001-005-281930-
Hancock TN-Grainger TN-Hawkins TN-Scott VA-Lee VA-
244 PM EDT Fri May 28 2021

...SIGNIFICANT WEATHER ADVISORY FOR HAWKINS...HANCOCK...NORTHEASTERN
GRAINGER...SOUTHEASTERN LEE AND SOUTHWESTERN SCOTT COUNTIES UNTIL 330
PM EDT...

At 243 PM EDT, Doppler radar was tracking a strong thunderstorm near
Rogersville, moving east at 20 mph.

Winds in excess of 40 mph will be possible with this storm.

Locations impacted include...
Rogersville, Sneedville, Bean Station, Surgoinsville, Church Hill,
Duffield, Evanston, Treadway, Okolona and Kepler.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3642 8269 3639 8275 3635 8336 3643 8338
      3648 8337 3676 8281
TIME...MOT...LOC 1843Z 258DEG 18KT 3647 8309

Moulton

The office that day

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

Issued	Product	Office	Counties	Lasted
May 28, 2:44 PM EDT	Special Weather Statement	MRX	Hancock, Hawkins	46 min
May 28, 3:00 PM EDT	Special Weather Statement	MRX	Grainger	45 min
May 28, 3:08 PM EDT	Special Weather Statement	MRX	Sullivan	37 min
May 28, 3:33 PM EDT	Special Weather Statement	MRX	Campbell, Morgan, Roane, Scott	42 min
May 28, 3:54 PM EDT	Special Weather Statement	MRX	Loudon	36 min
May 28, 3:58 PM EDT	Severe Thunderstorm Warning	MRX	Anderson, Knox, Morgan, Roane	47 min
May 28, 4:13 PM EDT	Special Weather Statement	MRX	Anderson, Claiborne, Grainger, Knox, Union	47 min
May 28, 4:18 PM EDT	Special Weather Statement	MRX	Monroe	42 min
May 28, 4:32 PM EDT	Severe Thunderstorm Warning	MRX	Grainger, Jefferson, Knox, Union	43 min
May 28, 4:56 PM EDT	Special Weather Statement	MRX	Grainger, Hamblen, Jefferson	49 min
May 28, 5:02 PM EDT	Severe Thunderstorm Warning	MRX	Cocke, Grainger, Greene, Hamblen, Hawkins, Jefferson	43 min
May 28, 5:18 PM EDT	Special Weather Statement	MRX	Greene, Hamblen, Hancock, Hawkins, Jefferson	42 min
May 28, 5:35 PM EDT	Severe Thunderstorm Warning	MRX	Greene, Hawkins	40 min
May 28, 5:40 PM EDT	Special Weather Statement	MRX	Monroe, Polk	65 min
May 28, 5:58 PM EDT	Special Weather Statement	MRX	Carter, Sullivan, Washington	62 min
May 28, 6:42 PM EDT	Special Weather Statement	MRX	Carter, Johnson	48 min
May 28, 6:46 PM EDT	Severe Thunderstorm Warning	MRX	Carter, Johnson	29 min
May 28, 3:38 PM EDT	Special Weather Statement	MRX	Washington	37 min
May 28, 6:29 PM EDT	Special Weather Statement	MRX	Cherokee, Clay	46 min
May 28, 7:28 PM EDT	Special Weather Statement	MRX	Clay	47 min

Nearby

Areal Flood Advisories in Tennessee, 2021 Every areal flood advisory in 2021

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.