SPC Severe Thunderstorm Watch 691



WW 691 SEVERE TSTM DE MD NJ NY PA CW 312355Z – 010500Z

WW 0691 Image

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 691
NWS Storm Prediction Center Norman OK
755 PM EDT Thu Oct 31 2019

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Delaware
  Eastern Maryland
  New Jersey
  Southeast New York
  Eastern Pennsylvania
  Coastal Waters

* Effective this Thursday night and Friday morning from 755 PM
  until 100 AM EDT.

* Primary threats include...
  Scattered damaging wind gusts to 70 mph possible
  A tornado or two possible

SUMMARY...Fast-moving/accelerating bands of showers/thunderstorms
will continue to move northeastward across the region this evening.
Winds through a deep layer are very strong and, in spite of weak
instability, will be conducive to strong/near-severe wind gusts
capable of damage. A brief tornado cannot be entirely ruled out.

The severe thunderstorm watch area is approximately along and 40
statute miles east and west of a line from 50 miles north northwest
of Newark NJ to 35 miles southwest of Dover DE. 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 686...WW 687...WW
688...WW 689...WW 690...

AVIATION...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 450. Mean storm motion vector
22045.

...Guyer

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