

821 

WWUS20 KWNS 010111

SEL8

SPC WW 010111

ARZ000-LAZ000-MSZ000-CWZ000-010900-



URGENT - IMMEDIATE BROADCAST REQUESTED

Tornado Watch Number 418

NWS Storm Prediction Center Norman OK

810 PM CDT Wed Oct 31 2018



The NWS Storm Prediction Center has issued a



* Tornado Watch for portions of

  Southern Arkansas

  Louisiana

  Western Mississippi

  Coastal Waters



* Effective this Wednesday night and Thursday morning from 810 PM

  until 400 AM CDT.



* Primary threats include...

  A few tornadoes likely with a couple intense tornadoes possible

  Scattered damaging wind gusts to 70 mph likely

  Isolated large hail events to 1.5 inches in diameter possible



SUMMARY...Conditions will continue to become increasingly favorable

for supercells and bowing segments along and ahead an

east/northeastward-moving convective line. Very strong low-level

shear coincident with a moist air mass will support the possibility

of damaging winds and tornadoes, a couple of which could be strong.



The tornado watch area is approximately along and 60 statute miles

east and west of a line from 40 miles east northeast of El Dorado AR

to 30 miles southeast of Lake Charles LA. 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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 416...WW 417...



AVIATION...Tornadoes and a few severe thunderstorms with hail

surface and aloft to 1.5 inches. Extreme turbulence and surface wind

gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean

storm motion vector 24035.



...Guyer

