

033 

WWUS20 KWNS 272128

SEL9

SPC WW 272128

PAZ000-280400-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 459

NWS Storm Prediction Center Norman OK

530 PM EDT Thu Aug 27 2020



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Western and Central Pennsylvania



* Effective this Thursday afternoon from 530 PM until Midnight

  EDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph possible

  Isolated large hail events to 1.5 inches in diameter possible

  A tornado or two possible



SUMMARY...Clusters of storms will move generally southeastward

across the region this evening with primary potential for damaging

winds and some severe hail.



The severe thunderstorm watch area is approximately along and 50

statute miles north and south of a line from 15 miles west of

Pittsburgh PA to 20 miles northeast of Harrisburg PA. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU9).



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 455...WW 456...WW

457...WW 458...



AVIATION...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

29025.



...Guyer

