* WHAT. From one to one and a half feet of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE. In Delaware, Kent, Inland Sussex and Delaware Beaches. In New Jersey, Cumberland, Atlantic, Cape May, Atlantic Coastal Cape May and Coastal Atlantic. * WHEN. From 7 PM this evening to 1 AM EDT Thursday. * IMPACTS. At this level, flooding begins on the most vulnerable roads in coastal and bayside communities, and along inland tidal waterways. Some partial or full road closures are possible.

* WHAT. Up to one foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE. In New Jersey, Mercer, Gloucester, Camden and Northwestern Burlington. In Pennsylvania, Delaware, Philadelphia and Lower Bucks. * WHEN. From midnight tonight to 5 AM EDT Thursday. * IMPACTS. At this level, flooding begins on the most vulnerable roads along tidal waterways. Some partial or full road closures are possible.

* WHAT. One and a half to two feet of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE. In Delaware, New Castle. In New Jersey, Salem. * WHEN. From 9 PM to 11 PM EDT this evening. * IMPACTS. Flooding of lots, parks, and roads with only isolated road closures expected.

* WHAT. Southwest winds 10 to 15 kt with gusts up to 20 kt expected. * WHERE. Chesapeake Bay from Sandy Point MD to Drum Point MD, Tidal Potomac from Cobb Island MD to Smith Point VA, Eastern Bay, and Choptank River to Cambridge MD and the Little Choptank River. * WHEN. From 2 AM to noon EDT Thursday. * IMPACTS. Conditions will be hazardous to small craft.

SMWLWX The National Weather Service in Sterling Virginia has issued a * Special Marine Warning for. Chesapeake Bay from Pooles Island to Sandy Point MD. Chesapeake Bay north of Pooles Island MD. Patapsco River including Baltimore Harbor. * Until 1015 PM EDT. * At 842 PM EDT, a severe thunderstorm capable of producing waterspouts was located 12 nm west of Fort Smallwood Park, moving east at 25 knots. HAZARD. Wind gusts 34 knots or greater and waterspouts. SOURCE. Radar indicated. IMPACT. Boaters in small craft could be thrown overboard by suddenly higher winds and waves capsizing their vessel. Waterspouts can easily overturn boats and create locally hazardous seas. * Locations impacted include. Tolchester Beach, North Point State Park, Fort Smallwood Park, Pooles Island, Hart Miller Island, and Sevenfoot Knoll.

For the following areas. Chesapeake Bay from Pooles Island to Sandy Point MD. Chesapeake Bay north of Pooles Island MD. At 914 PM EDT, a severe thunderstorm capable of producing waterspouts was located over Middle River, moving northeast at 25 knots. HAZARD. Waterspouts and wind gusts 34 knots or greater. SOURCE. Radar indicated. IMPACT. Boaters in small craft could be thrown overboard by suddenly higher winds and waves capsizing their vessel. Waterspouts can easily overturn boats and create locally hazardous seas. Locations impacted include. Pooles Island.

* WHAT. Flash flooding caused by excessive rainfall continues to be possible. * WHERE. A portion of northern Maryland, including the following area, Southern Baltimore. * 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. Low-water crossings may be flooded. * ADDITIONAL DETAILS. - Multiple rounds of heavy showers and thunderstorms will move across the area through this evening. Rainfall amounts of 1 to 2 inches are likely, with isolated amounts of 3 to 4 inches possible. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information

SMWLWX The National Weather Service in Sterling Virginia has issued a * Special Marine Warning for. Chesapeake Bay north of Pooles Island MD. * Until 1045 PM EDT. * At 950 PM EDT, a severe thunderstorm capable of producing waterspouts was located near Worton Point, moving east at 20 knots. HAZARD. Wind gusts 34 knots or greater and waterspouts. SOURCE. Radar indicated. IMPACT. Boaters in small craft could be thrown overboard by suddenly higher winds and waves capsizing their vessel. Waterspouts can easily overturn boats and create locally hazardous seas. * Locations impacted include. Northeast River, Turkey Point, Worton Point, Spesutie Island, Aberdeen Proving Ground, and Havre De Grace.

* WHAT. South winds 10 to 15 kt with gusts up to 20 kt expected. * WHERE. Chesapeake Bay from Sandy Point MD to Drum Point MD, Tidal Potomac from Cobb Island MD to Smith Point VA, Eastern Bay, and Choptank River to Cambridge MD and the Little Choptank River. * WHEN. Until noon EDT Thursday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. South winds 10 to 15 kt expected with gusts up to 20 kt expected. * WHERE. Chesapeake Bay north of Sandy Point MD, Patapsco River including Baltimore Harbor, and Chester River to Queenstown MD. * WHEN. Until noon EDT Thursday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Up to one foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE. In Delaware, Kent, Inland Sussex and Delaware Beaches. In New Jersey, Cumberland, Atlantic, Cape May, Atlantic Coastal Cape May and Coastal Atlantic. * WHEN. Until 1 AM EDT Thursday. * IMPACTS. At this level, flooding begins on the most vulnerable roads in coastal and bayside communities, and along inland tidal waterways. Some partial or full road closures are possible.

* WHAT. Up to one foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE. In New Jersey, Mercer, Gloucester, Camden and Northwestern Burlington. In Pennsylvania, Delaware, Philadelphia and Lower Bucks. * WHEN. From midnight tonight to 5 AM EDT Thursday. * IMPACTS. At this level, flooding begins on the most vulnerable roads along tidal waterways. Some partial or full road closures are possible.

* WHAT. Up to one foot of inundation above ground level expected in low- lying areas near shorelines and tidal waterways. * WHERE. In Delaware, New Castle. In New Jersey, Salem. * WHEN. From 9 PM to 11 PM EDT this evening. * IMPACTS. Flooding of lots, parks, and roads with only isolated road closures expected.

* WHAT. Southwest winds 10 to 20 kt with gusts up to 25 kt and seas 3 to 5 ft expected. * WHERE. Coastal waters from Sandy Hook to Manasquan Inlet NJ out 20 nm, Coastal waters from Manasquan Inlet to Little Egg Inlet NJ out 20 nm, Coastal waters from Little Egg Inlet to Great Egg Inlet NJ out 20 nm and Coastal waters from Great Egg Inlet to Cape May NJ out 20 nm. * WHEN. From 11 AM Thursday to 2 AM EDT Friday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Southwest winds 15 to 20 kt with gusts up to 25 kt and seas 3 to 5 ft expected. * WHERE. Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm and Coastal waters from Cape Henlopen to Fenwick Island DE out 20 nm. * WHEN. From 11 AM to 6 PM EDT Thursday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Up to one foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE. Dorchester, Wicomico and Somerset Counties. * WHEN. From 10 PM this evening to 7 AM EDT Thursday. * IMPACTS. Shallow flooding is expected in the most vulnerable locations near the waterfront and shoreline resulting in a low threat of property damage. Expect up to one foot of water above ground level in low lying, vulnerable areas. Some roads and low lying property including parking lots, parks and lawns near the waterfront will experience shallow flooding.

FFWLWX The National Weather Service in Sterling Virginia has issued a * Flash Flood Warning for. Central Cecil County in northeastern Maryland. Southeastern Harford County in northern Maryland. * Until 1130 PM EDT. * At 838 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. The expected rainfall rate is 2 to 4 inches in 1 hour. Additional rainfall amounts of 2 to 4 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. Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include. Aberdeen. Havre De Grace. Aberdeen Proving Ground. Bel Air South. Bel Air North. North East. Perryman. Charlestown. Hollywood Beach. Cayots. Perryville. Port Deposit. Carsins. Churchville.

TORPHI The National Weather Service in Mount Holly NJ has issued a * Tornado Warning for. Northern Kent County in northeastern Maryland. * Until 1015 PM EDT. * At 947 PM EDT, a severe thunderstorm capable of producing a tornado was located near Newtown, or 10 miles southwest of Aberdeen Proving Ground, moving east at 30 mph. HAZARD. Tornado. SOURCE. Radar indicated rotation. IMPACT. Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely. * Locations impacted include. Betterton, Newtown, Massey, Sassafras, Kennedyville, and Galena.

At 947 PM EDT, a severe thunderstorm capable of producing a tornado was located near Betterton, or 9 miles southeast of Aberdeen Proving Ground, moving east at 20 mph. HAZARD. Tornado. SOURCE. Radar indicated rotation. IMPACT. For those in the direct path of a tornado touchdown, flying debris will be dangerous to those caught without shelter. Damage to roofs, siding, and windows may occur. Mobile homes may be damaged or destroyed. Tree damage is likely. This dangerous storm will be near. Cecilton around 955 PM EDT. Warwick and Cayots around 1005 PM EDT. Bohemias Mills around 1010 PM EDT.

At 941 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 6 inches of rain have fallen. Additional rainfall amounts of 1 to 3 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. The Maryland Department of Highways has reported flash flooding along US 40 and Maryland Route 132. HAZARD. Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE. Radar. IMPACT. Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. Some locations that will experience flash flooding include. Aberdeen. Havre De Grace. Aberdeen Proving Ground. North East. Perryman. Charlestown. Hollywood Beach. Cayots. Perryville. Carsins.