URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 394
NWS Storm Prediction Center Norman OK
210 PM EDT Tue Jun 18 2019
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
District Of Columbia
Delaware
Eastern Maryland
New Jersey
Southeast Pennsylvania
Northern and eastern Virginia
Coastal Waters
* Effective this Tuesday afternoon and evening from 210 PM until
1000 PM 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...At least isolated strong to severe thunderstorms are
expected to develop from southeast Pennsylvania into New Jersey,
where potential will exist for a couple of supercells with hail/wind
and potentially some tornado risk. Other storms will also increase
this afternoon south-southwestward across the Delmarva and broader
parts of northern/eastern Virginia to eastern Maryland, with
damaging winds and some hail possible in these areas.
The severe thunderstorm watch area is approximately along and 65
statute miles north and south of a line from 20 miles southeast of
Lakehurst NJ to 55 miles west southwest of Washington DC. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU4).
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
26025.
...Guyer