Severe Thunderstorm Watch Issued for a Large Part of Our Area...

URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 511

NWS Storm Prediction Center Norman OK

530 PM EST Sun Nov 15 2020

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 

  District Of Columbia

  Delaware

  Central and eastern Maryland

  New Jersey

  Southeastern Pennsylvania

  Northeastern Virginia

  Coastal Waters

* Effective this Sunday afternoon and evening from 530 PM until

1100 PM EST.

THUNDERSTORM WIND GUSTS TO 70 MPH...and DANGEROUS LIGHTNING ARE

POSSIBLE IN THESE AREAS.

The severe thunderstorm watch area is approximately along and 65

statute miles east and west of a line from 25 miles north northeast

of Allentown PA to 50 miles southeast of Washington DC. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU1).

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 510...

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

0 inches. Extreme turbulence and surface wind gusts to 60 knots. A

few cumulonimbi with maximum tops to 200. Mean storm motion vector

26045.

...Thompson

======================================================================

683 

WWUS40 KWNS 152232

WWP1  

SEVERE THUNDERSTORM WATCH PROBABILITIES FOR WS 0511

NWS STORM PREDICTION CENTER NORMAN OK

0427 PM CST SUN NOV 15 2020

WS 0511

PROBABILITY TABLE:

PROB OF 2 OR MORE TORNADOES                        :  10%

PROB OF 1 OR MORE STRONG /EF2-EF5/ TORNADOES       : <02%

PROB OF 10 OR MORE SEVERE WIND EVENTS              :  50%

PROB OF 1 OR MORE WIND EVENTS >= 65 KNOTS          :  20%

PROB OF 10 OR MORE SEVERE HAIL EVENTS              : <05%

PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES          : <05%

PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS :  60%

&&

ATTRIBUTE TABLE:

MAX HAIL /INCHES/                            : 0.0

MAX WIND GUSTS SURFACE /KNOTS/               : 60

MAX TOPS /X 100 FEET/                        : 200

MEAN STORM MOTION VECTOR /DEGREES AND KNOTS/ : 26045

PARTICULARLY DANGEROUS SITUATION             : NO

&&

FOR A COMPLETE GEOGRAPHICAL DEPICTION OF THE WATCH AND

WATCH EXPIRATION INFORMATION SEE WOUS64 FOR WOU1.

$$

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