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WWUS20 KWNS 200322

SEL6

SPC WW 200322

ALZ000-ARZ000-MSZ000-TNZ000-201100-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 406

NWS Storm Prediction Center Norman OK

1020 PM CDT Wed Jun 19 2019



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Northern and central Alabama

  Northeastern Arkansas

  Central and northern Mississippi

  Southern middle and southwestern Tennessee



* Effective this Wednesday night and Thursday morning from 1020

  PM until 600 AM CDT.



* Primary threats include...

  Widespread damaging winds likely with isolated significant gusts

    to 80 mph possible

  Isolated large hail events to 1.5 inches in diameter possible

  A tornado or two possible



SUMMARY...A well-organized cluster and separate bow echo initially

over eastern Arkansas, each with a well-developed wind signature and

history of severe gusts, will proceed into and across the watch

area.  These systems could merge as well.  Severe thunderstorm wind

will remain the main threat, though an embedded tornado or two also

is possible.



The severe thunderstorm watch area is approximately along and 95

statute miles north and south of a line from 45 miles north

northwest of Greenwood MS to 45 miles northeast of Birmingham AL.

For a complete depiction of the watch see the associated watch

outline update (WOUS64 KWNS WOU6).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



REMEMBER...A Severe Thunderstorm Watch means conditions are

favorable for 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. Severe thunderstorms can and occasionally do produce

tornadoes.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 401...WW 402...WW

403...WW 405...



AVIATION...A few severe thunderstorms with hail surface and aloft to

1.5 inches. Extreme turbulence and surface wind gusts to 70 knots. A

few cumulonimbi with maximum tops to 550. Mean storm motion vector

27050.



...Edwards

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