SPC Tornado Watch 409



WW 409 TORNADO NC VA CW 111355Z – 120100Z

WW 0409 Image

URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 409
NWS Storm Prediction Center Norman OK
955 AM EDT Thu Oct 11 2018

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of 
  Central and eastern North Carolina
  Southern Virginia
  Coastal Waters

* Effective this Thursday morning and evening from 955 AM until
  900 PM EDT.

* Primary threats include...
  A few tornadoes likely with a couple intense tornadoes possible
  Isolated damaging wind gusts to 60 mph possible

SUMMARY...Showers arcing across southern into central North Carolina
should intensify and develop into embedded thunderstorms as they
spread northeast in association with Michael. Low-level shear and
pockets of downstream surface heating will be favor for at least a
few tornadoes, mainly this afternoon into early evening.

The tornado watch area is approximately along and 95 statute miles
east and west of a line from 20 miles south of Jacksonville NC to 35
miles north northwest of Richmond VA. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS
WOU9).

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 50 knots. A few cumulonimbi with maximum tops to 350. Mean
storm motion vector 17040.

...Grams

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