Sunday, July 13, 2014

Severe Storms, Flooding to Threaten DC, NYC, Roanoke

By , Senior Meteorologist
July 13,2014; 9:24PM,EDT
 
 
The Northeast and mid-Atlantic will be faced with severe thunderstorms and flooding downpours through at least Tuesday before the new week ends on a more refreshing note.
A relatively quiet start to the weekend is giving way to the adverse weather threat that will span multiple days.
That is the last thing those still cleaning up after last Tuesday's deadly severe weather wants to hear.
A strong line of damaging storms moved through western and central Pennsylvania Sunday evening and damage was reported in the town of Elizabeth, Pennsylvania. Strong storms also moved through Reading Center, New York and damage was reported by the National Weather Service in Binghamton. The NWS will also conduct a survey for the area on Monday to determine if the damage is related to a possible tornado.

"The strongest of the storms moved through Pennsylvania, extreme southern New York and western and central Maryland Sunday evening," said AccuWeather.com Meteorologist Carl Erickson. "Although in a weakening state they can still bring downpours and gusty winds farther east from Providence to New York City and Philadelphia overnight."
RELATED:
AccuWeather.com Severe Weather Center
Stay Ahead of the Storms with AccuWeather.com MinuteCast™
Northeast Interactive Radar

As the front sinks southward, the severe weather danger will focus on southwestern New England and more of the mid-Atlantic, as well as southern Kentucky, Tennessee and southeastern Missouri. As is typical, the afternoon and evening hours will likely prove to be more active than the morning.
Monday's threat zone encompasses New York City, Philadelphia, Washington, D.C., Roanoke, Virginia, and Nashville, Tennessee.
The strongest thunderstorms through Monday will produce powerful winds and downpours. Such winds could down trees, lead to property damage and cause power outages.

The downpours may not only trigger flash flooding, but also will cause hazards to motorists by dramatically reducing visibility and heightening the risk of vehicles hydroplaning. Significant delays and even ground stops are possible at airports.
"The pattern may also bring thunderstorms with hail in some communities and perhaps isolated tornadoes," stated AccuWeather.com Senior Meteorologist Alex Sosnowski.
Farther to the west, a couple of gusty thunderstorms will also fire Monday afternoon within a separate zone from St. Louis to Indianapolis to Detroit.
An end to the severe weather threat will not come with the close of Monday. Instead, a stronger cold front that marks the leading edge of Septemberlike cool air plunging into the Midwest will spark more heavy thunderstorms throughout the East and South on Tuesday.

Tuesday's thunderstorms will cross some of the same areas in the Northeast and mid-Atlantic being threatened by severe weather through Monday.
Additional flash flooding problems may unfold, especially where thunderstorms are slow moving, repeat over the same area and/or track over areas that first become soaked by the storms on Sunday or Monday.
AccuWeather.com meteorologists are also concerned for some of the thunderstorms to turn severe from South Carolina to New Hampshire. Within this zone lies the cities of Augusta, Georgia, Raleigh, North Carolina, Washington, D.C., Philadelphia, New York City and Hartford, Connecticut.
The magnitude of the severe weather will be dependent on morning cloud cover and thunderstorms.
For places that do see enough sunshine, similar threats as to those with the violent thunderstorms through Monday will unfold and pose dangers to lives and property. At this time, AccuWeather.com meteorologists feel the greatest severe weather threat lies from the Carolinas to the southern Delmarva Peninsula.
There is a chance that torrential downpours linger along the beaches of the East Coast through Wednesday.
Residents and visitors should continue to check back with AccuWeather.com for the latest details on the impending flooding and severe weather dangers.
Less humid and quieter weather will return later in the week. While summertime heat will be absent, the core of the September-like cool air overspreading the Midwest will lose its punch before reaching the I-95 corridor.

On Social Media
AccuWeather.com
breakingweather
Update on the severe weather/flooding threat targeting the Northeast through Tuesday: ow.ly/z6m8L
wusa9
wusa9
SEVERE #WEATHER ALERT: Thunderstorm Warning for PG/Montgomery Counties; Watch for DC area until 11pm wusa9.com/weather
Enzo Pontrelli
ap215
Severe Storms, Flooding to Threaten DC, NYC, Pittsburgh accuweather.com/en/weather-new…
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