Flood Watch
335 PM EDT Wed May 16 2018
...FLOOD WATCH IN EFFECT FROM THURSDAY EVENING THROUGH LATE
FRIDAY NIGHT...
The National Weather Service in Mount Holly has issued a
* Flood Watch for portions of Delaware, northeast Maryland, New
Jersey, and Pennsylvania, including the following areas, in
Delaware, Delaware Beaches, Inland Sussex, Kent, and New
Castle. In northeast Maryland, Caroline, Cecil, Kent MD, Queen
Annes, and Talbot. In New Jersey, Atlantic, Atlantic Coastal
Cape May, Camden, Cape May, Coastal Atlantic, Coastal Ocean,
Cumberland, Eastern Monmouth, Gloucester, Hunterdon, Mercer,
Middlesex, Northwestern Burlington, Ocean, Salem, Somerset,
Southeastern Burlington, Warren, and Western Monmouth. In
Pennsylvania, Berks, Delaware, Eastern Chester, Eastern
Montgomery, Lehigh, Lower Bucks, Northampton, Philadelphia,
Upper Bucks, Western Chester, and Western Montgomery.
* From Thursday evening through late Friday night
* Periods of light to moderate rain will continue this afternoon
through tomorrow. A brief break in the rain is expected early
tomorrow evening before it once again intensifies and becomes more
widespread tomorrow night. Periods of moderate to heavy rain are
then expected to persist into at least Friday, possibly into the
weekend. General rainfall amounts of 2 to 4 inches are expected
the next 72 hours with the highest totals along and south of the
Interstate 78 corridor. Locally higher amounts are possible across
the same area as thunderstorms are expected to periodically
develop.
* A variety of flooding types are all possible within the Flood
Watch area. First, low-lying and poor drainage flooding is the
most likely type of flooding to develop. Second, flash flooding
will be possible under the stronger thunderstorms. Flash
flooding occurs quicker than other types flooding due to the
torrential rain thunderstorms can produce in a short amount of
time. Flash flooding is most likely to occur across urban areas
where rainfall runoff is maximized and where small creeks and
streams respond quickly. The rain has to go somewhere and
eventually leads to larger streams and rivers. This is where the
third type of flooding is possible. If you live across the
Passaic, Raritan, and Rancocas basins in New Jersey or the
Neshaminy, Schuylkill, and Brandywine basins across Pennsylvania
and Delaware, keep an eye on later forecasts. These forecasts,
as well as all of our hydrologic forecasts, can be accessed via
our Advanced Hydrologic Prediction Service website.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Flood Watch means there is a potential for flooding based on
current forecasts.
You should monitor later forecasts and be alert for possible
Flood Warnings. Those living in areas prone to flooding should be
prepared to take action should flooding develop.
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