* WHAT. Up to one foot of inundation above ground level in low- lying areas near shorelines and tidal waterways. * WHERE. In Delaware, New Castle. In New Jersey, Salem. * WHEN. Until 6 PM EDT Monday. * IMPACTS. At this level, flooding begins on the most vulnerable roads along tidal waterways. Some partial or full road closures are possible.

* WHAT. For the Coastal Flood Warning, one to two feet of inundation above ground level in low-lying areas near shorelines and tidal waterways. For the Coastal Flood Advisory, one to two feet of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE. In Delaware, Kent. In New Jersey, Cumberland and Cape May. * WHEN. For the Coastal Flood Warning, until 5 PM EDT Sunday. For the Coastal Flood Advisory, from 5 PM Sunday to 5 PM EDT Monday. * IMPACTS. At this level, widespread roadway flooding occurs in coastal and bayside communities and along inland tidal waterways. Many roads become impassable. Some damage to vulnerable structures may begin to occur.

* WHAT. Up to one foot of inundation above ground level in low- lying areas near shorelines and tidal waterways. * WHERE. Queen Annes, Talbot and Caroline. * WHEN. Until 2 AM EDT Tuesday. * IMPACTS. At this level, flooding begins on the most vulnerable roads in bayside communities and 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. Kent MD. * WHEN. From 10 PM this evening to 5 AM EDT Tuesday. * IMPACTS. At this level, flooding begins on the most vulnerable roads in bayside communities and along tidal waterways. Some partial or full road closures are possible.

* WHAT. Up to one foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in Southern Baltimore County and the city of Baltimore. * WHEN. Until 4 AM EDT Monday, especially around the time of high tide. * IMPACTS. At 3.5 feet, flooding is occurring at the end of Thames Street in Baltimore. Water covers the promenade in the Inner Harbor in multiple locations. At 3.0 feet, water begins encroaching upon yards in the Bowleys Quarters area. * ADDITIONAL DETAILS. Tides one and a half to two feet above normal. The next high tide at Fort McHenry Baltimore is at 10:24 PM and 10:14 AM.

* WHAT. One to two feet of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in the District of Columbia, Arlington County, and the City of Alexandria. * WHEN. Until 4 AM EDT Monday, especially around the time of high tide. * IMPACTS. Shoreline inundation is expected along portions of the seawall adjacent to Ohio Drive and the Hains Point Loop Road and near the Tidal Basin. Water is expected to approach the curb near the intersection of King Street and Strand Street in Alexandria. * ADDITIONAL DETAILS. Tides one and a half to two feet above normal. The next high tide at Alexandria is at 11:43 PM and 12:20 PM. The next high tide at Washington Channel is at 11:25 PM and 12:02 PM.

* WHAT. Up to one foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in Calvert County. * WHEN. Until 11 PM EDT Sunday, especially around the time of high tide. * IMPACTS. At 3.0 feet, water is expected to reach backyards near 9th Street in North Beach, and could approach 9th Street. At 3.5 feet, yards are flooded near Charles Street and Williams Street in Solomons. Nearby parking lots and the streets themselves are covered by more than a half foot of water. * ADDITIONAL DETAILS. Tides one and a half to two feet above normal. The next high tide at Chesapeake Beach is at 7:27 AM and 8:33 PM. The next high tide at Solomons Island is at 5:44 AM and 6:35 PM.

* WHAT. One to two feet of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in Anne Arundel County. * WHEN. Until 4 AM EDT Monday, especially around the time of high tide. * IMPACTS. At 3.5 feet, water reaches the floor of the Maritime Museum in Annapolis, begins to cover Bowyer Road on the Naval Academy campus, and numerous businesses on Dock Street are flooded, along with the City Dock parking lot. Bayside Beach begins to flood around Harbor Rd and Lake Dr. * ADDITIONAL DETAILS. Tides two to two and a half feet above normal. The next high tide at Annapolis U.S. Naval Academy is at 9:06 PM and 8:37 AM.

* WHAT. For the Coastal Flood Warning, one to two feet of inundation above ground level in low-lying areas near shorelines and tidal waterways. For the Coastal Flood Advisory, one to two feet of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE. In Delaware, Kent. In New Jersey, Cumberland and Cape May. * WHEN. For the Coastal Flood Warning, until 5 PM EDT Sunday. For the Coastal Flood Advisory, from 5 PM Sunday to 5 PM EDT Monday. * IMPACTS. At this level, widespread roadway flooding occurs in coastal and bayside communities and along inland tidal waterways. Many roads become impassable. Some damage to vulnerable structures may begin to occur.

* WHAT. Up to one foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE. Kent MD. * WHEN. From 10 PM this evening to 5 AM EDT Tuesday. * IMPACTS. At this level, flooding begins on the most vulnerable roads in bayside communities and along tidal waterways. Some partial or full road closures are possible.

* WHAT. Up to one foot of inundation above ground level in low- lying areas near shorelines and tidal waterways. * WHERE. In Delaware, New Castle. In New Jersey, Salem. * WHEN. Until 6 PM EDT Monday. * 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 in low- lying areas near shorelines and tidal waterways. * WHERE. Queen Annes, Talbot and Caroline. * WHEN. Until 2 AM EDT Tuesday. * IMPACTS. At this level, flooding begins on the most vulnerable roads in bayside communities and along tidal waterways. Some partial or full road closures are possible.

* WHAT. Flash flooding caused by excessive rainfall is possible. * WHERE. Anne Arundel, Central and Southeast Howard, Southeast Harford, and Southern Baltimore Counties including the City of Baltimore. * WHEN. Until 6 AM EDT early this morning. * 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. - A complex of slow-moving thunderstorms producing heavy rain may result in excessive rainfall amounts of 1 to 3 inches per hour. This would result in rapid rises of water on small streams and creeks, as well as in urban and poor drainage areas. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information.

A few east to southeasterly wind gusts to around 20 knots are possible overnight. Inexperienced mariners, especially those operating smaller vessels, should exercise extra caution if navigating the waters during this time.

SMWLWX The National Weather Service in Sterling Virginia has issued a * Special Marine Warning for. Chesapeake Bay from Drum Point MD to Smith Point VA. Chesapeake Bay from North Beach to Drum Point MD. Patuxent River to Broomes Island MD. Tidal Potomac from Cobb Island MD to Smith Point VA. * Until 1245 AM EDT. * At 1143 PM EDT, a strong thunderstorm was located over Solomons Island, moving southeast at 15 knots. HAZARD. 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. * Locations impacted include. Cuckold Creek, Town Creek, Point Lookout, Hooper Island Light, Drum Point, Deep Hole, Point No Point, Solomons Island, The Targets, Richland Point Buoy, and Southwest Middle Grounds.

At 1126 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from Selinsgrove to 18 miles northwest of Linglestown to near Lewistown. Movement was southeast at 50 mph. HAZARD. Wind gusts up to 50 mph and pea size hail. SOURCE. Radar indicated. IMPACT. Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include. Harrisburg, Lebanon, Lower Allen, Hershey, Ephrata, Colonial Park, Elizabethtown, Sunbury, Progress, Lititz, Mechanicsburg, Middletown, Camp Hill, Mount Joy, Palmyra, New Cumberland, Linglestown, Enola, Steelton, and Selinsgrove.

* WHAT. For the Coastal Flood Warning, one to two feet of inundation above ground level in low-lying areas near shorelines and tidal waterways. For the Coastal Flood Advisory, up to one foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE. In Delaware, Kent. In New Jersey, Cumberland and Cape May. * WHEN. For the Coastal Flood Warning, until 5 PM EDT Sunday. For the Coastal Flood Advisory, from 5 PM Sunday to 5 PM EDT Monday. * IMPACTS. At this level, widespread roadway flooding occurs in coastal and bayside communities and along inland tidal waterways. Many roads become impassable. Some damage to vulnerable structures may begin to occur.

* WHAT. Up to one half foot of inundation above ground level in low-lying areas near shorelines and tidal waterways. * WHERE. Kent MD. * WHEN. Until 5 AM EDT Tuesday. * IMPACTS. At this level, flooding begins on the most vulnerable roads in bayside communities and along tidal waterways. Some partial or full road closures are possible.

* WHAT. Up to one foot of inundation above ground level in low- lying areas near shorelines and tidal waterways. * WHERE. Queen Annes, Talbot and Caroline. * WHEN. Until 2 AM EDT Tuesday. * IMPACTS. At this level, flooding begins on the most vulnerable roads in bayside communities and along tidal waterways. Some partial or full road closures are possible.

* WHAT. Up to one foot of inundation above ground level in low- lying areas near shorelines and tidal waterways. * WHERE. In Delaware, New Castle. In New Jersey, Salem. * WHEN. Until 6 PM EDT Monday. * 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 in low lying areas due to tidal flooding. * WHERE. Shoreline in Southern Baltimore County and the city of Baltimore. * WHEN. Until 4 AM EDT Monday, especially around the time of high tide. * IMPACTS. At 3.5 feet, flooding is occurring at the end of Thames Street in Baltimore. Water covers the promenade in the Inner Harbor in multiple locations. At 3.0 feet, water begins encroaching upon yards in the Bowleys Quarters area. * ADDITIONAL DETAILS. Tides one and a half to two feet above normal. The next high tide at Fort McHenry Baltimore is at 10:14 AM and 11:20 PM.

* WHAT. For the Coastal Flood Warning, one to two feet of inundation above ground level in low lying areas due to tidal flooding. For the Coastal Flood Advisory, one to two feet of inundation above ground level expected in low lying areas due to tidal flooding. * WHERE. Shoreline in the District of Columbia, Arlington County, and the City of Alexandria. * WHEN. For the Coastal Flood Warning, until 2 AM EDT Sunday, especially around the time of high tide. For the Coastal Flood Advisory, from 9 AM Sunday to 4 AM EDT Monday, especially around the time of high tide. * IMPACTS. The unprotected area on the Southwest Waterfront at the DC Seafood Market is expected to flood. Water is expected to approach parts of the Hains Point Loop Road, but it will likely be closed. Water is expected to approach buildings near King Street and Union Street. * ADDITIONAL DETAILS. Tides one and a half to two feet above normal. The next high tide at Alexandria is at 11:43 PM and 12:20 PM. The next high tide at Washington Channel is at 11:25 PM and 12:02 PM.

* WHAT. One to two feet of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in Anne Arundel County. * WHEN. Until 4 AM EDT Monday, especially around the time of high tide. * IMPACTS. At 3.5 feet, water reaches the floor of the Maritime Museum in Annapolis, begins to cover Bowyer Road on the Naval Academy campus, and numerous businesses on Dock Street are flooded, along with the City Dock parking lot. Bayside Beach begins to flood around Harbor Rd and Lake Dr. * ADDITIONAL DETAILS. Tides two to two and a half feet above normal. The next high tide at Annapolis U.S. Naval Academy is at 8:37 AM and 10:06 PM.

* WHAT. Up to one foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in Calvert County. * WHEN. Until 11 PM EDT Sunday, especially around the time of high tide. * IMPACTS. At 3.0 feet, water is expected to reach backyards near 9th Street in North Beach, and could approach 9th Street. At 3.5 feet, yards are flooded near Charles Street and Williams Street in Solomons. Nearby parking lots and the streets themselves are covered by more than a half foot of water. * ADDITIONAL DETAILS. Tides one and a half to two feet above normal. The next high tide at Chesapeake Beach is at 7:27 AM and 8:33 PM. The next high tide at Solomons Island is at 5:44 AM and 6:35 PM.

SVRCTP The National Weather Service in State College PA has issued a * Severe Thunderstorm Warning for. West central Lancaster County in south central Pennsylvania. Central York County in south central Pennsylvania. * Until 1230 AM EDT. * At 1140 PM EDT, a severe thunderstorm was located over Mount Wolf, moving southeast at 15 mph. HAZARD. 60 mph wind gusts and quarter size hail. SOURCE. Radar indicated. IMPACT. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include. York, Elizabethtown, Columbia, Spry, Shiloh, East York, Stonybrook-Wilshire, West York, Maytown, Grantley, Tyler Run-Queens Gate, and Valley View. This includes Interstate 83 from mile markers 14 to 32.

* WHAT. Flooding caused by excessive rainfall is expected. * WHERE. A portion of central Pennsylvania, including the following counties, Dauphin and York. * WHEN. Until 100 AM EDT. * IMPACTS. Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS. - At 1052 PM EDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 2 inches of rain have fallen. - Additional rainfall of 1 to 2 inches is expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include. Middletown, Steelton, Hummelstown, Valley Green, Highspire, Royalton, Goldsboro, Three Mile Island, Penn State Harrisburg and Harrisburg International Airport. - http://www.weather.gov/safety/flood