

826 

WWUS20 KWNS 010405

SEL9

SPC WW 010405

ARZ000-LAZ000-MSZ000-CWZ000-011200-



URGENT - IMMEDIATE BROADCAST REQUESTED

Tornado Watch Number 419

NWS Storm Prediction Center Norman OK

1105 PM CDT Wed Oct 31 2018



The NWS Storm Prediction Center has issued a



* Tornado Watch for portions of

  Southeast Arkansas

  Southeast Louisiana

  Mississippi

  Coastal Waters



* Effective this Wednesday night and Thursday morning from 1105

  PM until 700 AM CDT.



* Primary threats include...

  A few tornadoes and a couple intense tornadoes possible

  Scattered damaging wind gusts to 70 mph possible



SUMMARY...In advance of an approaching upper-level trough, low-level

moistening will continue to occur across the region along with

continually strengthening low-level shear. This will be conducive

for a mixed convective mode including linearly related bowing

segments along with some supercells along/ahead of the convective

line. The potential exists for damaging winds and tornadoes, a

couple of which could be strong, through the early morning hours of

Thursday.



The tornado watch area is approximately along and 75 statute miles

east and west of a line from 40 miles northeast of Greenwood MS to

15 miles east of Houma LA. 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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 417...WW 418...



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 24040.



...Guyer

