* WHAT. North winds 10 to 15 kt with gusts up to 20 kt expected. * WHERE. Chesapeake Bay north of Sandy Point MD, Chester River to Queenstown MD, Eastern Bay, and Choptank River to Cambridge MD and the Little Choptank River. * WHEN. From 4 AM to 11 AM EDT Saturday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. North winds 10 to 15 kt with gusts up to 20 kt expected. * WHERE. Chesapeake Bay north of Sandy Point MD, Chester River to Queenstown MD, Eastern Bay, and Choptank River to Cambridge MD and the Little Choptank River. * WHEN. From 4 AM to 11 AM EDT Saturday. * IMPACTS. Conditions will be hazardous to small craft.

The Delaware Valley Regional Planning Commission has issued a code orange air quality alert Friday for The Philadelphia Metro area. A code orange air quality alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children. people suffering from asthma. heart disease or other lung diseases. and the elderly. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors. For more information on ground-level ozone and fine particles. visit http://www.phila.gov/health/units/ams/

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 415 IN EFFECT UNTIL 9 PM EDT THIS EVENING FOR THE FOLLOWING AREAS IN NEW JERSEY THIS WATCH INCLUDES 12 COUNTIES IN CENTRAL NEW JERSEY MERCER MONMOUTH IN NORTHERN NEW JERSEY HUNTERDON MIDDLESEX MORRIS SOMERSET SUSSEX WARREN IN SOUTHERN NEW JERSEY BURLINGTON CAMDEN GLOUCESTER OCEAN IN PENNSYLVANIA THIS WATCH INCLUDES 5 COUNTIES IN SOUTHEAST PENNSYLVANIA BUCKS CHESTER DELAWARE MONTGOMERY PHILADELPHIA THIS INCLUDES THE CITIES OF BLAIRSTOWN, CAMDEN, CHERRY HILL, DEPTFORD, DOYLESTOWN, EAST BRUNSWICK, EDISON, FLEMINGTON, FREEHOLD, GLASSBORO, MEDIA, MOORESTOWN, MORRISTOWN, MOUNT HOLLY, NEW BRUNSWICK, NEWTON, NORRISTOWN, NORTH BRUNSWICK TOWNSHIP, PERTH AMBOY, PHILADELPHIA, SAYREVILLE, SOMERSET, TOMS RIVER, TRENTON, AND WEST CHESTER.

FFWPHI The National Weather Service in Mount Holly has issued a * Flash Flood Warning for. South Central Chester County in southeastern Pennsylvania. * Until 915 PM EDT. * At 507 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 2.5 inches of rain have fallen. Additional rainfall amounts up to 0.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD. Flash flooding caused by thunderstorms. SOURCE. Radar. IMPACT. Flooding of small creeks and streams, urban areas, highways, streets, and underpasses as well as other drainage and low lying areas. * Some locations that may experience flash flooding include. Marshallton.

At 632 PM EDT, Doppler radar indicated earlier thunderstorms that produced heavy rain across the warned area. Between 2 and 3 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD. Flash flooding caused by thunderstorms. SOURCE. Radar. IMPACT. Flooding of small creeks and streams, urban areas, highways, streets, and underpasses as well as other drainage and low lying areas. Some locations that may experience flash flooding include. Marshallton.