Tornado Watch 477

Issued

Sep 1, 2017, 1:49 PM EDT (17:49 UTC)

Expired

Sep 1, 2017, 9:28 PM EDT

In force

8 hr

Issued by

the Storm Prediction Center

Largest hail expected

0.5 in

Strongest gust expected

60 kt

The Raleigh/Durham radar (KRAX), 166 km from the middle of the area, began a volume at 17:51 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

60%

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

5%

One or more hailstones of 2 inches or more

5%

Six or more combined severe hail and wind reports

80%

• Mesoscale Discussion 1609Sep 1, 1:07 PM EDT
• Mesoscale Discussion 1612Sep 1, 4:44 PM EDT
• Mesoscale Discussion 1613Sep 1, 7:23 PM EDT

997 
WWUS20 KWNS 011747
SEL7  
SPC WW 011747
NCZ000-SCZ000-020200-

URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 477
NWS Storm Prediction Center Norman OK
150 PM EDT Fri Sep 1 2017

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of 
  Western and central North Carolina
  Northern South Carolina

* Effective this Friday afternoon and evening from 150 PM until
  1000 PM EDT.

* Primary threats include...
  A few tornadoes likely
  Isolated damaging wind gusts to 70 mph possible

SUMMARY...Thunderstorms are beginning to develop in broken bands to
the east of the remnants of tropical depression Harvey.  These
storms will strengthen through the afternoon, and the storm
environment will favor a threat for tornadic supercells along a
slow-moving front across North Carolina through late evening.

The tornado watch area is approximately along and 45 statute miles
north and south of a line from 30 miles southwest of Hickory NC to
45 miles east northeast of Fayetteville NC. For a complete depiction
of the watch see the associated watch outline update (WOUS64 KWNS
WOU7).

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 0.5 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 24025.

...Thompson

Tornado Watches in North Carolina, 2017Tornado Watches in South Carolina, 2017Every tornado watch in 2017

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.