« View county listFlash Flood Watch
New Castle-Kent-Cecil-Kent MD-Queen Annes-Talbot-Caroline-Sussex-
Eastern Chester-Western Montgomery-Eastern Montgomery-Upper Bucks-
Including the cities of Wilmington, Dover, Elkton, Chestertown,
Centreville, Easton, Denton, Newton, Washington, Morristown,
Flemington, Somerville, New Brunswick, Freehold, Trenton,
Pennsville, Glassboro, Camden, Cherry Hill, Moorestown,
Mount Holly, Reading, Allentown, Bethlehem, Media, Philadelphia,
Honey Brook, Oxford, West Chester, Kennett Square, Collegeville,
Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville,
319 PM EDT Fri Aug 18 2017
...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT
The Flash Flood Watch continues for
* Portions of Delaware, northeast Maryland, New Jersey, and
Pennsylvania, including the following areas, in Delaware, Kent
and New Castle. In northeast Maryland, Caroline, Cecil, Kent
MD, Queen Annes, and Talbot. In New Jersey, Camden,
Gloucester, Hunterdon, Mercer, Middlesex, Morris, Northwestern
Burlington, Salem, Somerset, Sussex, Warren, and Western
Monmouth. In Pennsylvania, Berks, Delaware, Eastern Chester,
Eastern Montgomery, Lehigh, Lower Bucks, Northampton,
Philadelphia, Upper Bucks, Western Chester, and Western
* Until midnight EDT tonight
* Multiple rounds of showers and thunderstorms can be expected
through tonight. Torrential downpours with storms that develop
this evening could produce rainfall rates greater than 2 inches
per hour. While the entire area will not receive heavy rain,
isolated rainfall totals of 3 to 6 inches are possible where
storms track over the same locations.
* Torrential rain falling in a short period of time will result
in rapidly rising water levels along streams and creeks and in
areas of poor drainage. Significant roadway flooding is
possible in isolated areas.
A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a very dangerous situation.
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
New Castle DE-Salem NJ-Camden NJ-Mercer NJ-Gloucester NJ-
Burlington NJ-Montgomery PA-Bucks PA-Philadelphia PA-Delaware PA-
520 PM EDT FRI AUG 18 2017
The National Weather Service in Mount Holly NJ has issued a
* Flood Advisory for...
Northern New Castle County in northern Delaware...
Salem County in southern New Jersey...
Camden County in southern New Jersey...
Mercer County in central New Jersey...
Gloucester County in southern New Jersey...
Northwestern Burlington County in southern New Jersey...
Southeastern Montgomery County in southeastern Pennsylvania...
Southeastern Bucks County in southeastern Pennsylvania...
Philadelphia County in southeastern Pennsylvania...
Delaware County in southeastern Pennsylvania...
* Until 815 PM EDT
* At 515 PM EDT...Doppler radar indicated heavy rain due to
thunderstorms moving eastward into the advisory area. This will
cause minor flooding of roadways and areas of poor drainage.
Rainfall amounts around one inch may occur in a short period of
* Some locations that could experience flooding include...
Philadelphia, Trenton, Camden, Wilmington, Vineland, Newark,
Gloucester City, Cherry Hill, Bensalem, Evesham, Mount Laurel,
Ewing, Norristown, Chester, Willingboro, Deptford, Voorhees,
Medford, West Deptford and Glassboro.
Turn around...don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
LAT...LON 4018 7461 4007 7455 3972 7473 3951 7499
3956 7506 3946 7508 3956 7524 3945 7542
3939 7543 3951 7553 3953 7578 3954 7578
3972 7579 3984 7560 4007 7536 4007 7539
4036 7495 4034 7494 4042 7475 4027 7448
$$Severe Thunderstorm Warning
New Castle DE-Kent MD-Cecil MD-Salem NJ-Camden NJ-Gloucester NJ-
Burlington NJ-Chester PA-Philadelphia PA-Delaware PA-
605 PM EDT FRI AUG 18 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR NEW CASTLE...NORTHERN KENT...CECIL...NORTHWESTERN SALEM...
NORTHWESTERN CAMDEN...NORTHWESTERN GLOUCESTER...NORTHWESTERN
BURLINGTON...SOUTHEASTERN CHESTER...PHILADELPHIA AND DELAWARE
At 605 PM EDT, severe thunderstorms were located along a line
extending from near Lima to near Newtown, moving east at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
IMPACT...Minor damage to vehicles is possible. Expect damage to
trees and power lines.
Locations impacted include...
Philadelphia, Camden, Wilmington, Newark, Middletown, West Chester,
Elkton, Gloucester City, Calvert, Chester, Willingboro, Deptford,
West Deptford, Pennsville, Bellmawr, Yeadon, Westtown, Woodbury,
Burlington and Riverside.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Mount Holly NJ.
In addition to large hail and damaging winds...frequent cloud to
ground lightning is occurring with this storm. Move indoors
immediately. Remember...if you can hear thunder...you are close
enough to be struck by lightning.
LAT...LON 3929 7617 3932 7618 3937 7611 3937 7606
3943 7600 3952 7598 3955 7608 3960 7611
3994 7571 4001 7530 3998 7527 4001 7521
4003 7522 4005 7497 4010 7475 3926 7580
TIME...MOT...LOC 2205Z 258DEG 28KT 3992 7540 3932 7619
$$Severe Thunderstorm Watch
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
455 IN EFFECT UNTIL 9 PM EDT THIS EVENING FOR THE FOLLOWING AREAS
IN DELAWARE THIS WATCH INCLUDES 3 COUNTIES
IN CENTRAL DELAWARE
IN NORTHERN DELAWARE
IN SOUTHERN DELAWARE
IN MARYLAND THIS WATCH INCLUDES 5 COUNTIES
IN NORTHEAST MARYLAND
CAROLINE CECIL KENT
QUEEN ANNE'S TALBOT
IN NEW JERSEY THIS WATCH INCLUDES 16 COUNTIES
IN CENTRAL NEW JERSEY
IN NORTHERN NEW JERSEY
HUNTERDON MIDDLESEX MORRIS
SOMERSET SUSSEX WARREN
IN SOUTHERN NEW JERSEY
ATLANTIC BURLINGTON CAMDEN
CAPE MAY CUMBERLAND GLOUCESTER
IN PENNSYLVANIA THIS WATCH INCLUDES 10 COUNTIES
IN EAST CENTRAL PENNSYLVANIA
BERKS LEHIGH NORTHAMPTON
IN NORTHEAST PENNSYLVANIA
IN SOUTHEAST PENNSYLVANIA
BUCKS CHESTER DELAWARE
THIS INCLUDES THE CITIES OF ALLENTOWN, ATLANTIC CITY, BETHLEHEM,
BLAIRSTOWN, CAMDEN, CENTREVILLE, CHERRY HILL, CHESTERTOWN,
DENTON, DEPTFORD, DOVER, DOYLESTOWN, EAST BRUNSWICK, EASTON,
EASTON, EDISON, ELKTON, FLEMINGTON, FREEHOLD, GEORGETOWN,
GLASSBORO, HAMMONTON, JIM THORPE, MEDIA, MILLVILLE, MOORESTOWN,
MORRISTOWN, MOUNT HOLLY, NEW BRUNSWICK, NEWTON, NORRISTOWN,
NORTH BRUNSWICK TOWNSHIP, OCEAN CITY, PENNSVILLE, PERTH AMBOY,
PHILADELPHIA, READING, SAYREVILLE, SOMERSET, STROUDSBURG,
TOMS RIVER, TRENTON, WEST CHESTER, AND WILMINGTON.