

388 

WWUS20 KWNS 271850

SEL2

SPC WW 271850

LAZ000-MSZ000-CWZ000-280300-



URGENT - IMMEDIATE BROADCAST REQUESTED

Tornado Watch Number 542

NWS Storm Prediction Center Norman OK

155 PM CDT Wed Oct 27 2021



The NWS Storm Prediction Center has issued a



* Tornado Watch for portions of

  Southeastern Louisiana

  Southern Mississippi

  Coastal Waters



* Effective this Wednesday afternoon and evening from 155 PM

  until 1000 PM CDT.



* Primary threats include...

  A few tornadoes likely with a couple intense tornadoes possible

  Scattered damaging wind gusts to 70 mph likely



SUMMARY...A pre-frontal squall line will continue eastward across

southern Louisiana and Mississippi through the afternoon and

evening.  Additional warm sector supercell development is also

expected through the afternoon.  The strongest storms will be

capable of producing a couple of strong tornadoes and damaging

winds.



The tornado watch area is approximately along and 100 statute miles

east and west of a line from 30 miles northeast of Mc Comb MS to 45

miles west southwest of Boothville LA. For a complete depiction of

the watch see the associated watch outline update (WOUS64 KWNS

WOU2).



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 540...WW 541...



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

surface and aloft to 0.5 inches. Extreme turbulence and surface wind

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

storm motion vector 24030.



...Thompson

