* WHAT. Flash flooding caused by excessive rainfall is possible. * WHERE. Portions of central, northeast, northern, and southern Maryland, including the following areas, in central Maryland, Anne Arundel. In northeast Maryland, Cecil. In northern Maryland, Southeast Harford and Southern Baltimore. In southern Maryland, Calvert and St. Marys. * WHEN. From 10 AM EDT this morning through this afternoon. * IMPACTS. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS. - The remnants of Chantal will bring showers and some thunderstorms to locations along the Chesapeake Bay from late morning through the afternoon. There may be embedded slow- moving areas of heavy rain which will be capable of producing rain rates of 2-3 inches in an hour or two. A localized total up to 5 inches is possible. These rain amounts may lead to flash flooding. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information.

* WHAT. Heat index values up to 100 degrees expected. * WHERE. Portions of central, northern, and northwest New Jersey and southeast Pennsylvania. * WHEN. From 10 AM to 8 PM EDT Tuesday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values up to 103 degrees expected. * WHERE. In Delaware, New Castle County. In New Jersey, Camden, Gloucester, Northwestern Burlington, Ocean, and Southeastern Burlington Counties. In Pennsylvania, Delaware and Philadelphia Counties. * WHEN. From 10 AM to 8 PM EDT Tuesday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Flash flooding caused by excessive rainfall continues to be possible. * WHERE. Portions of central, northeast, northern, and southern Maryland, including the following areas, in central Maryland, Anne Arundel. In northeast Maryland, Cecil. In northern Maryland, Southeast Harford and Southern Baltimore. In southern Maryland, Calvert and St. Marys. * WHEN. Until 6 PM EDT this evening. * IMPACTS. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS. - The remnants of Chantal will bring showers and some thunderstorms to locations along the Chesapeake Bay from late morning through the afternoon. There may be embedded slow- moving areas of heavy rain which will be capable of producing rain rates of 2-3 inches in an hour or two. A localized total up to 5 inches is possible. These rain amounts may lead to flash flooding. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information.

* WHAT. Flash flooding caused by excessive rainfall is possible. * WHERE. Portions of New Jersey, including the following areas, Camden, Cumberland, Gloucester, Hunterdon, Mercer, Middlesex, Northwestern Burlington, Salem, Somerset and Western Monmouth and southeast Pennsylvania, including the following areas, Delaware, Eastern Chester, Eastern Montgomery, Lower Bucks, Philadelphia, Upper Bucks, Western Chester and Western Montgomery. * WHEN. From 10 AM EDT this morning through this evening. * IMPACTS. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS. - The remnants of Chantal will move into the Mid Atlantic this morning bringing areas of heavy rain. The tropical airmass will bring generally 1 to 2 inches of rainfall across the urban corridor but will have the potential to bring isolated amounts up to 5 inches leading to flash flooding. The showers and thunderstorms will generally come to an end by 7 to 8 pm this evening with any residual flooding from showers today coming to an end during the overnight hours. - http://www.weather.gov/safety/flood

* WHAT. Flash flooding caused by excessive rainfall is possible. * WHERE. Portions of Delaware, including the following areas, Inland Sussex, Kent and New Castle and northeast Maryland, including the following areas, Caroline, Kent MD, Queen Annes and Talbot. * WHEN. From 10 AM EDT this morning through this evening. * IMPACTS. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS. - The remnants of Chantal will move into the Mid Atlantic this morning bringing areas of heavy rain. The tropical airmass will bring generally 1 to 2 inches of rainfall across the urban corridor but will have the potential to bring isolated amounts up to 5 inches leading to flash flooding. The showers and thunderstorms will generally come to an end by 7 to 8 pm this evening with any residual flooding from showers today coming to an end during the overnight hours. - http://www.weather.gov/safety/flood

* WHAT. Flash flooding caused by excessive rainfall continues to be possible. * WHERE. Portions of New Jersey, including the following areas, Camden, Cumberland, Gloucester, Hunterdon, Mercer, Middlesex, Northwestern Burlington, Salem, Somerset and Western Monmouth and southeast Pennsylvania, including the following areas, Delaware, Eastern Chester, Eastern Montgomery, Lower Bucks, Philadelphia, Upper Bucks, Western Chester and Western Montgomery. * WHEN. Until 10 PM EDT this evening. * IMPACTS. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS. - The remnants of Chantal are moving across the area this afternoon bringing areas of heavy rain. The tropical airmass will bring generally 1 to 2 inches of rainfall across the urban corridor but will have the potential to bring isolated amounts up to 5 inches leading to flash flooding. The showers and thunderstorms will generally come to an end by 7 to 8 pm this evening with any residual flooding from showers today coming to an end during the overnight hours. - http://www.weather.gov/safety/flood

* WHAT. Flash flooding caused by excessive rainfall continues to be possible. * WHERE. Portions of Delaware, including the following areas, Inland Sussex, Kent and New Castle and northeast Maryland, including the following areas, Caroline, Kent MD, Queen Annes and Talbot. * WHEN. Until 10 PM EDT this evening. * IMPACTS. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS. - The remnants of Chantal are moving across the area this afternoon bringing areas of heavy rain. The tropical airmass will bring generally 1 to 2 inches of rainfall across the urban corridor but will have the potential to bring isolated amounts up to 5 inches leading to flash flooding. The showers and thunderstorms will generally come to an end by 7 to 8 pm this evening with any residual flooding from showers today coming to an end during the overnight hours. - http://www.weather.gov/safety/flood

* WHAT. Flash flooding caused by excessive rainfall continues to be possible. * WHERE. A portion of northeast Maryland, including the following county, Cecil. * WHEN. Until 6 PM EDT this evening. * IMPACTS. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS. - Heavy rain continues across Cecil county, with an additional inch of rain being possible. Rain should come to an end over the next hour or two. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information.

* WHAT. Heat index values up to 106 expected. * WHERE. In Delaware, Kent and Inland Sussex Counties. In Maryland, Caroline, Kent MD, Queen Annes, and Talbot Counties. In New Jersey, Atlantic, Cape May, Cumberland, and Salem Counties. * WHEN. From 10 AM to 8 PM EDT Tuesday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values up to 100 expected. * WHERE. Portions of central, northern, and northwest New Jersey and southeast Pennsylvania. * WHEN. From 10 AM to 8 PM EDT Tuesday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values up to 103 expected. * WHERE. In Delaware, New Castle County. In New Jersey, Camden, Gloucester, Northwestern Burlington, Ocean, and Southeastern Burlington Counties. In Pennsylvania, Delaware and Philadelphia Counties. * WHEN. From 10 AM to 8 PM EDT Tuesday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values up to 105 expected, up to 107 degrees closer to the Chesapeake Bay. * WHERE. In Maryland, Anne Arundel, Prince Georges, Cecil, Southeast Harford, Southern Baltimore, Calvert, Charles, and St. Marys Counties. In Virginia, King George County. * WHEN. From 1 PM to 7 PM EDT Tuesday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

FFWPHI The National Weather Service in Mount Holly has issued a * Flash Flood Warning for. Southwestern Chester County in southeastern Pennsylvania. * Until 545 PM EDT. * At 139 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. The expected rainfall rate is 2 to 3 inches in 1 hour. Additional rainfall amounts of 1 to 2 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. Oxford, Parkesburg, Cochranville, Homeville, Mount Vernon and Atglen.

At 201 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 2.5 inches of rain have fallen. The expected rainfall rate is 2 to 3 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD. Life threatening flash flooding caused by thunderstorms. SOURCE. Radar. IMPACT. Life threatening flash flooding of creeks and streams, urban areas, highways, streets, and underpasses. Some locations that may experience flash flooding include. Oxford, Parkesburg, Cochranville, Homeville, Mount Vernon and Atglen.

At 247 PM EDT, trained weather spotters reported thunderstorms producing heavy rain with flooding on multiple roadways around Oxford Township, with a water rescue reported near US Route 1. Between 2.5 and 3.5 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts of 0.5 to 1.5 inches are possible in the warned area. Flash flooding is already occurring. HAZARD. Life threatening flash flooding caused by thunderstorms. SOURCE. Trained spotters reported. IMPACT. Life threatening flash flooding of creeks and streams, urban areas, highways, streets, and underpasses. Some locations that may experience flash flooding include. Oxford, Parkesburg, Cochranville, Homeville, Mount Vernon and Atglen.

At 407 PM EDT, the public reported thunderstorms producing heavy rain with video sent in of water washing over Township Road in Oxford, PA. Between 2.5 and 4 inches of rain have fallen. Flooding impacts will continue, but no additional rainfall is expected. Flash flooding is already occurring. HAZARD. Life threatening flash flooding caused by thunderstorms. SOURCE. Public reported. IMPACT. Life threatening flash flooding of creeks and streams, urban areas, highways, streets, and underpasses. Some locations that may experience flash flooding include. Oxford, Parkesburg, Cochranville, Homeville, Mount Vernon and Atglen.