

720 

WWUS20 KWNS 091629

SEL3

SPC WW 091629

ARZ000-MOZ000-MSZ000-TNZ000-092300-



URGENT - IMMEDIATE BROADCAST REQUESTED

Tornado Watch Number 13

NWS Storm Prediction Center Norman OK

1030 AM CST Sat Mar 9 2019



The NWS Storm Prediction Center has issued a



* Tornado Watch for portions of

  Eastern Arkansas

  Extreme southern Missouri Bootheel

  Parts of northwestern and northern Mississippi

  Western Tennessee



* Effective this Saturday morning and afternoon from 1030 AM

  until 500 PM CST.



* Primary threats include...

  Several tornadoes likely with a couple intense tornadoes

    possible

  Scattered damaging wind gusts to 70 mph likely

  Scattered large hail events to 1.5 inches in diameter possible



SUMMARY...The line of storms in Arkansas is beginning to show more

embedded supercell structures, and this trend should continue

through the afternoon.  The storm environment ahead of the storms

into Mississippi and Tennessee will be favorable for tornadic

supercells, capable of producing a couple of strong tornadoes, as

well as damaging winds and large hail.



The tornado watch area is approximately along and 70 statute miles

east and west of a line from 35 miles north of Dyersburg TN to 35

miles south southeast of Greenville MS. For a complete depiction of

the watch see the associated watch outline update (WOUS64 KWNS

WOU3).



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 11...WW 12...



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 26050.



...Thompson

