Severe Thunderstorm Warning 70, NWS Morristown, TN

Area Forecast Discussion
National Weather Service Morristown TN
314 PM EDT Mon Jun 24 2019

.SHORT TERM (Tonight and Tuesday)...Through the afternoon and
evening, a line of strong to severe storms will cross from east to
west across the area. With the amount of sunshine that has
occurred across much of the TN Valley, and with dewpoints in the
upper 60s to lower 70s, there will be a good amount of instabilty
in the pre-storm environment. Gusty winds so far indicate a more
dynamic environment than the past few days as well, and downdrafts
will transport strong winds aloft to the surface. The activity is
expected to exit to the east around 00-01Z. The zone forecast
will include a late afternoon period to account for this timing.
Dry air in the mid levels builds in quickly but low level moisture
may linger and allow for some cloudy skies overnight. Winds
should provide enough mixing to prevent widespread fog. Surface
high pressure will be building over the area tomorrow, with a dry
westerly flow aloft that will provide mostly sunny skies and highs
in the mid to upper 80s.

.LONG TERM (Tuesday night through Monday)...Finally, slightly
drier air will build into the Southern Appalachian region in the
wake of a departing upper trough. The sub-tropical high will
slowly build across the region through much of the remainder of
the work week which should help to limit diurnal convection to the
higher terrain features. A weakness will gradually develop in the
ridge pattern over the Lower Mississippi Valley. A light southerly
component to the low level flow may help to moisten the local
Southern Appalachian atmosphere Friday into Saturday allowing for
a little higher chance probability for showers and thunderstorms.
However, the best chance of more widespread convection may occur
toward the end of the extended period Sunday into Sunday night as
a back door frontal boundary slips into the region as an unusually
strong upper trough drops southeast across the Northeastern U.S.
Temperatures will be seasonably warm through the forecast period.

&&

.PRELIMINARY POINT TEMPS/POPS...
Chattanooga Airport, TN             69  89  68  87 /  20  10  10  20
Knoxville McGhee Tyson Airport, TN  67  87  65  86 /  30  10   0  10
Oak Ridge, TN                       68  87  65  88 /  20  10   0  10
Tri Cities Airport, TN              64  85  60  85 /  60  10   0   0

&&

.MRX WATCHES/WARNINGS/ADVISORIES...
NC...None.
TN...None.
VA...None.
&&

Hazardous Weather Outlook
National Weather Service Morristown TN
259 PM EDT Mon Jun 24 2019

NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002-
005-006-008-251900-
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-
259 PM EDT Mon Jun 24 2019 /159 PM CDT Mon Jun 24 2019/

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

.DAY ONE...This Afternoon and Tonight

Another round of showers and thunderstorms can be expected mainly
this afternoon into the evening. Some of these storms may be
severe, with damaging winds the primary threat. Large hail will
also be possible, and localized heavy rainfall may lead to ponding
of water in poor drainage areas.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be required this afternoon. Please report
severe weather or severe weather damage to us at
www.weather.gov/mrx/SpotterReports/.

Special Weather Statement
National Weather Service Morristown TN
341 PM EDT Mon Jun 24 2019

TNZ098>100-242030-
Marion TN-Bradley TN-Hamilton TN-
341 PM EDT Mon Jun 24 2019

...SIGNIFICANT WEATHER ADVISORY FOR WEST CENTRAL BRADLEY...
SOUTHEASTERN MARION AND HAMILTON COUNTIES UNTIL 430 PM EDT/330 PM
CDT/...

At 340 PM EDT/240 PM CDT/, Doppler radar was tracking a strong
thunderstorm near Signal Mountain, or 9 miles west of Chattanooga,
moving northeast at 30 mph.

Pea size hail and wind gusts up to 50 mph will be possible with this
storm.

Locations impacted include...
Chattanooga, Cleveland, Soddy-Daisy, Signal Mountain, Walden,
Lakesite, Ridgeside, South Cleveland, Fairmount, Harrison, Red Bank,
Collegedale, Lookout Mountain, Harrison Bay State Park, Hicks Gap
State Park, Ooltewah, McDonald, Middle Valley, Falling Water and
Shady Grove.

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.

&&

A Severe Thunderstorm Watch remains in effect until 900 PM EDT/800 PM
CDT/ for east Tennessee.

LAT...LON 3508 8552 3514 8540 3516 8538 3536 8501
      3511 8487 3498 8541 3498 8547
TIME...MOT...LOC 1940Z 245DEG 27KT 3506 8542

Garuckas

Special Weather Statement
National Weather Service Morristown TN
347 PM EDT Mon Jun 24 2019

TNZ014-037-038-242030-
Claiborne TN-Union TN-Grainger TN-
347 PM EDT Mon Jun 24 2019

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL CLAIBORNE...NORTHWESTERN
GRAINGER AND UNION COUNTIES UNTIL 430 PM EDT...

At 347 PM EDT, Doppler radar was tracking a strong thunderstorm 7
miles northwest of Maynardville, moving northeast at 35 mph.

Pea size hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Maynardville, New Tazewell, Tazewell, Harrogate, Springdale, Lone
Mountain, Powell River Preserve, Rose Hill, Norris Lake, Big Ridge
State Park, Sharps Chapel and Sandlick.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
east Tennessee...and southwestern Virginia.

LAT...LON 3660 8358 3637 8343 3620 8393 3629 8398
      3630 8397 3635 8397 3639 8393 3639 8392
      3640 8391
TIME...MOT...LOC 1947Z 241DEG 29KT 3630 8393

Diegan