SEVERE WEATHER WARNING: Severe Thunderstorm Watch in Effect for MA.  More Info >>
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Severe Thunderstorm Watch in Effect for CT,DC,DE,MA,MD,NJ,NY,PA,VA,WV
WW 455 SEVERE TSTM CT DC DE MA MD NJ NY PA VA WV CW 181825Z - 190100Z
WW 0455 Image
0-CWZ000-190100-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 455
NWS Storm Prediction Center Norman OK
225 PM EDT Fri Aug 18 2017

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  western Connecticut
  District Of Columbia
  Delaware
  western Massachusetts
  much of Maryland
  New Jersey
  southeast New York
  eastern Pennsylvania
  parts of northern Virginia
  parts of the eastern West Virginia Panhandle
  Coastal Waters

* Effective this Friday afternoon and evening from 225 PM until
  900 PM EDT.

* Primary threats include...
  Scattered damaging wind gusts to 70 mph possible
  Isolated large hail events to 1.5 inches in diameter possible

SUMMARY...Thunderstorms are forecast to increase in coverage and
intensity and move eastward with time over the next few hours,
within and near the watch area.  Stronger storms/bands of storms
will be capable of producing locally damaging winds and hail through
early this evening.

The severe thunderstorm watch area is approximately along and 60
statute miles east and west of a line from 45 miles north of
Poughkeepsie NY to 40 miles south southwest of Washington DC. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU5).

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.

&&

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
24035.

...Goss

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