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WWUS20 KWNS 271737

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SPC WW 271737

LAZ000-TXZ000-CWZ000-280700-



URGENT - IMMEDIATE BROADCAST REQUESTED

Tornado Watch Number 471

NWS Storm Prediction Center Norman OK

1240 PM CDT Sun Aug 27 2017



The NWS Storm Prediction Center has issued a



* Tornado Watch for portions of

  Southwest Louisiana

  Southeast Texas

  Coastal Waters



* Effective this Sunday and Monday morning from 1240 PM until 200

  AM CDT.



* Primary threats include...

  A few tornadoes possible



SUMMARY...The risk for brief tornadoes will continue into early

Monday in association with tropical cyclone Harvey.



The tornado watch area is approximately along and 55 statute miles

north and south of a line from 30 miles west northwest of Angleton

TX to 65 miles east southeast of Lake Charles LA. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU1).



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...This tornado watch replaces tornado

watch number 470. Watch number 470 will not be in effect after

1240 PM CDT.



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

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

gusts to 50 knots. A few cumulonimbi with maximum tops to 500. Mean

storm motion vector 16030.



...Grams

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