Tornado Watch 295

Issued

Jul 20, 2018, 8:02 PM EDT (00:02 UTC)

Expired

Jul 21, 2018, 3:04 AM EDT

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

2.5 in

Strongest gust expected

55 kt

The Knoxville radar (KMRX), 34 km from the middle of the area, began a volume at 00:02 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.

Two or more tornadoes

30%

One or more EF2 to EF5 tornadoes

10%

Ten or more severe wind reports

60%

One or more gusts of 65 knots or more

10%

Ten or more severe hail reports

40%

One or more hailstones of 2 inches or more

30%

Six or more combined severe hail and wind reports

95%

• Mesoscale Discussion 1108Jul 20, 6:54 PM EDT
• Mesoscale Discussion 1109Jul 20, 7:24 PM EDT
• Mesoscale Discussion 1111Jul 20, 10:52 PM EDT
• Mesoscale Discussion 1113Jul 21, 2:38 AM EDT

941 
WWUS20 KWNS 210000
SEL5  
SPC WW 210000
GAZ000-TNZ000-VAZ000-210800-

URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 295
NWS Storm Prediction Center Norman OK
800 PM EDT Fri Jul 20 2018

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of 
  northwest Georgia
  eastern Tennessee
  far southwestern Virginia

* Effective this Friday night and Saturday morning from 800 PM
  until 400 AM EDT.

* Primary threats include...
  A couple tornadoes possible
  Scattered damaging wind gusts to 65 mph likely
  Scattered large hail and isolated very large hail events to 2.5
    inches in diameter possible

SUMMARY...Thunderstorms moving southeast across eastern Kentucky and
northern middle Tennessee will continue to spread southeast across
the eastern Tennessee area and vicinity over the next several hours.
 The storms will be accompanied by the risk for large hail and
damaging winds, and possibly a tornado or two.

The tornado watch area is approximately along and 60 statute miles
east and west of a line from 45 miles west northwest of Bristol TN
to 5 miles southeast of Chattanooga TN. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS
WOU5).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and severe thunderstorms in and close to the watch
area. Persons in these areas should be on the lookout for
threatening weather conditions and listen for later statements
and possible warnings.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 289...WW 292...WW
293...WW 294...

AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 2.5 inches. Extreme turbulence and surface wind
gusts to 55 knots. A few cumulonimbi with maximum tops to 600. Mean
storm motion vector 29035.

...Goss

Tornado Watches in Tennessee, 2018Tornado Watches in Virginia, 2018Every tornado watch in 2018

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.