Tornado Watch 148

Issued

Apr 25, 2020, 6:11 PM EDT (22:11 UTC)

Expired

Apr 25, 2020, 10:00 PM EDT

In force

4 hr

Issued by

the Storm Prediction Center

Largest hail expected

1.5 in

Strongest gust expected

55 kt

The Knoxville radar (KMRX), 93 km from the middle of the area, began a volume at 22:14 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

40%

One or more EF2 to EF5 tornadoes

20%

Ten or more severe wind reports

30%

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

20%

Six or more combined severe hail and wind reports

70%

• Mesoscale Discussion 476Apr 25, 3:32 PM EDT
• Mesoscale Discussion 477Apr 25, 8:58 PM EDT

262 
WWUS20 KWNS 252209
SEL8  
SPC WW 252209
GAZ000-NCZ000-SCZ000-TNZ000-260200-

URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 148
NWS Storm Prediction Center Norman OK
610 PM EDT Sat Apr 25 2020

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of 
  Far northern Georgia
  Far southwest North Carolina
  Northwest South Carolina
  Eastern Tennessee

* Effective this Saturday evening from 610 PM until 1000 PM EDT.

* Primary threats include...
  A couple tornadoes possible
  Scattered large hail events to 1.5 inches in diameter possible
  Isolated damaging wind gusts to 65 mph possible

SUMMARY...Multiple, low-topped supercells will continue to pose a
risk for a couple tornadoes and severe hail, before weakening later
this evening.

The tornado watch area is approximately along and 60 statute miles
north and south of a line from 35 miles west southwest of Crossville
TN to 15 miles northeast of Greenville SC. For a complete depiction
of the watch see the associated watch outline update (WOUS64 KWNS
WOU8).

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.

&&

AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 1.5 inches. Extreme turbulence and surface wind
gusts to 55 knots. A few cumulonimbi with maximum tops to 400. Mean
storm motion vector 25040.

...Grams

Tornado Watches in Tennessee, 2020Tornado Watches in North Carolina, 2020Tornado Watches in Georgia, 2020Every tornado watch in 2020

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.