* WHAT. For the first Small Craft Advisory, south winds 10 to 20 kt with gusts up to 30 kt. For the second Small Craft Advisory, west winds 10 to 15 kt with gusts up to 20 kt expected. * WHERE. Chesapeake Bay from Pooles Island to Sandy Point MD and Chester River to Queenstown MD. * WHEN. For the first Small Craft Advisory, until 3 AM EDT Tuesday. For the second Small Craft Advisory, from 11 AM to 6 PM EDT Tuesday. * 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. Chester River to Queenstown MD. Patapsco River including Baltimore Harbor. * Until 830 PM EDT. * At 652 PM EDT, a severe thunderstorm was located 17 nm west of Middle River, moving east at 15 knots. HAZARD. Wind gusts 34 knots or greater and large hail. SOURCE. Radar indicated. IMPACT. Boaters in small craft could be thrown overboard by suddenly higher winds and waves capsizing their vessel. Hail may damage your vessel. * Locations impacted include. Pinehurst, North Point State Park, Fort Smallwood Park, Hart Miller Island, Gibson Island, Bodkin Point, Tolchester Beach, Worton Point, Pooles Island, Gunpowder River, Baltimore Light, Sevenfoot Knoll, and Rock Hall.

THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 335 IN EFFECT UNTIL 11 PM EDT THIS EVENING FOR THE FOLLOWING AREAS THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS CHESAPEAKE BAY NORTH OF POOLES ISLAND MD CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT MD CHESAPEAKE BAY FROM DRUM POINT MD TO SMITH POINT VA TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND MD TIDAL POTOMAC FROM COBB ISLAND MD TO SMITH POINT VA PATAPSCO RIVER INCLUDING BALTIMORE HARBOR CHESTER RIVER TO QUEENSTOWN MD EASTERN BAY CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER PATUXENT RIVER TO BROOMES ISLAND MD TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND

For the following areas. Chesapeake Bay from Pooles Island to Sandy Point MD. Chesapeake Bay north of Pooles Island MD. Chester River to Queenstown MD. Patapsco River including Baltimore Harbor. At 657 PM EDT, a severe thunderstorm was located 16 nm west of Middle River, moving east at 15 knots. HAZARD. Wind gusts in excess of 48 knots and large hail. SOURCE. Radar indicated. IMPACT. Boaters could easily be thrown overboard by suddenly higher wind and waves capsizing their vessel. Boats could suffer significant damage in high winds and hail. Locations impacted include. Pinehurst, North Point State Park, Fort Smallwood Park, Hart Miller Island, Gibson Island, Bodkin Point, Tolchester Beach, Worton Point, Pooles Island, Gunpowder River, Baltimore Light, Sevenfoot Knoll, and Rock Hall.

For the following areas. Chesapeake Bay from Pooles Island to Sandy Point MD. Chesapeake Bay north of Pooles Island MD. Chester River to Queenstown MD. Patapsco River including Baltimore Harbor. At 727 PM EDT, a severe thunderstorm was located 8 nm west of Middle River, moving east at 15 knots. HAZARD. Wind gusts in excess of 48 knots and large hail. SOURCE. Radar indicated. IMPACT. Boaters could easily be thrown overboard by suddenly higher wind and waves capsizing their vessel. Boats could suffer significant damage in high winds and hail. Locations impacted include. Pinehurst, North Point State Park, Fort Smallwood Park, Hart Miller Island, Gibson Island, Bodkin Point, Tolchester Beach, Worton Point, Pooles Island, Gunpowder River, Baltimore Light, Sevenfoot Knoll, and Rock Hall.

SMWLWX The National Weather Service in Sterling Virginia has issued a * Special Marine Warning for. Tidal Potomac from Indian Head to Cobb Island MD. Tidal Potomac from Key Bridge to Indian Head MD. * Until 900 PM EDT. * At 802 PM EDT, a severe thunderstorm was located 11 nm northwest of Mason Neck State Park, moving east at 25 knots. HAZARD. Wind gusts in excess of 48 knots. SOURCE. Radar indicated. IMPACT. Boaters could easily be thrown overboard by suddenly higher wind and waves capsizing their vessel. Boats could suffer significant damage in high winds. * Locations impacted include. Fort Washington, Tidal Basin, Reagan National Airport, Gunston Hall, Mason Neck State Park, Woodrow Wilson Bridge, Indian Head, Key Bridge, Fort Hunt, National Harbor, and Alexandria.

For the following areas. Chesapeake Bay from Pooles Island to Sandy Point MD. Chesapeake Bay north of Pooles Island MD. Chester River to Queenstown MD. Patapsco River including Baltimore Harbor. At 751 PM EDT, a severe thunderstorm capable of producing waterspouts was located over Middle River, moving east at 15 knots. HAZARD. Waterspouts, wind gusts in excess of 48 knots, and large hail. SOURCE. Radar indicated. IMPACT. Boaters could easily be thrown overboard by suddenly higher wind and waves capsizing their vessel. Boats could suffer significant damage in high winds and hail. Waterspouts can easily overturn boats and create locally hazardous seas. Locations impacted include. Pinehurst, North Point State Park, Fort Smallwood Park, Hart Miller Island, Gibson Island, Bodkin Point, Tolchester Beach, Worton Point, Pooles Island, Gunpowder River, Baltimore Light, Sevenfoot Knoll, and Rock Hall.

TORNADO WATCH 335 REMAINS VALID UNTIL 11 PM EDT THIS EVENING FOR THE FOLLOWING AREAS THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS CHESAPEAKE BAY NORTH OF POOLES ISLAND MD CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT MD CHESAPEAKE BAY FROM DRUM POINT MD TO SMITH POINT VA TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND MD TIDAL POTOMAC FROM COBB ISLAND MD TO SMITH POINT VA PATAPSCO RIVER INCLUDING BALTIMORE HARBOR CHESTER RIVER TO QUEENSTOWN MD EASTERN BAY CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER PATUXENT RIVER TO BROOMES ISLAND MD TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND

* WHAT. Up to one half foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in Anne Arundel County. * WHEN. Until 10 PM EDT this evening, especially around the time of high tide. * IMPACTS. At 2.6 feet, water may begin to pond in the parking lot at Annapolis City Dock, and surround the Alex Haley Memorial. * ADDITIONAL DETAILS. Tides one and a half to two feet above normal. The next high tide at Annapolis U.S. Naval Academy is at 8:59 PM.

* WHAT. For the first Small Craft Advisory, south winds 10 to 20 kt with gusts up to 30 kt. For the second Small Craft Advisory, west winds 10 to 15 kt with gusts up to 20 kt expected. * WHERE. Chesapeake Bay from Pooles Island to Sandy Point MD and Chester River to Queenstown MD. * WHEN. For the first Small Craft Advisory, until 3 AM EDT Tuesday. For the second Small Craft Advisory, from 11 AM to 6 PM EDT Tuesday. * IMPACTS. Conditions will be hazardous to small craft.

THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 335 IN EFFECT UNTIL 11 PM EDT THIS EVENING FOR THE FOLLOWING AREAS THE DISTRICT OF COLUMBIA IN MARYLAND THIS WATCH INCLUDES 13 COUNTIES IN CENTRAL MARYLAND ANNE ARUNDEL HOWARD MONTGOMERY PRINCE GEORGES IN NORTH CENTRAL MARYLAND CARROLL FREDERICK IN NORTHEAST MARYLAND CECIL IN NORTHERN MARYLAND BALTIMORE BALTIMORE CITY HARFORD IN SOUTHERN MARYLAND CALVERT CHARLES ST. MARYS IN VIRGINIA THIS WATCH INCLUDES 18 COUNTIES IN CENTRAL VIRGINIA CITY OF FREDERICKSBURG KING GEORGE ORANGE SPOTSYLVANIA IN NORTHERN VIRGINIA ARLINGTON CITY OF ALEXANDRIA CITY OF FAIRFAX CITY OF FALLS CHURCH CITY OF MANASSAS CITY OF MANASSAS PARK CULPEPER FAIRFAX FAUQUIER LOUDOUN PRINCE WILLIAM STAFFORD IN NORTHWEST VIRGINIA MADISON RAPPAHANNOCK THIS INCLUDES THE CITIES OF ABERDEEN, ALEXANDRIA, ANNAPOLIS, ARLINGTON, ARNOLD, ASPEN HILL, BALLENGER CREEK, BALTIMORE, BEL AIR, BETHESDA, BOWIE, CALIFORNIA, CAMP SPRINGS, CATONSVILLE, CHANTILLY, CHESAPEAKE BEACH, CLINTON, COLLEGE PARK, COLUMBIA, CULPEPER, DAHLGREN, DUNDALK, DUNKIRK, EDGEWOOD, ELDERSBURG, ELKTON, ELLICOTT CITY, ESSEX, FAIRFAX, FALLS CHURCH, FALLSTON, FALMOUTH, FREDERICK, FREDERICKSBURG, GAITHERSBURG, GERMANTOWN, GLEN BURNIE, GORDONSVILLE, GREENBELT, HAVRE DE GRACE, HERNDON, HUNTINGTOWN, JOPPATOWNE, LAUREL, LEESBURG, LEXINGTON PARK, LUSBY, MADISON, MANASSAS, MANASSAS PARK, MCLEAN, NORTH BEACH, ODENTON, ORANGE, PARKVILLE, PIKESVILLE, POTOMAC, PRINCE FREDERICK, RANDALLSTOWN, RESTON, ROCKVILLE, SEVERN, SEVERNA PARK, SILVER SPRING, SOUTH GATE, SPOTSYLVANIA COURTHOUSE, ST. CHARLES, STERLING, SUITLAND-SILVER HILL, TOWSON, WALDORF, WARRENTON, WASHINGTON, WASHINGTON, WESTMINSTER, AND WOODBRIDGE.

SVRLWX The National Weather Service in Sterling Virginia has issued a * Severe Thunderstorm Warning for. The north central District of Columbia. Southern Howard County in central Maryland. Southeastern Montgomery County in central Maryland. Northwestern Prince Georges County in central Maryland. * Until 830 PM EDT. * At 740 PM EDT, a severe thunderstorm was located over Potomac, or over Bethesda, moving east at 20 mph. HAZARD. 60 mph wind gusts. SOURCE. Radar indicated. IMPACT. Damaging winds will cause some trees and large branches to fall. This could injure those outdoors, as well as damage homes and vehicles. Roadways may become blocked by downed trees. Localized power outages are possible. Unsecured light objects may become projectiles. * Locations impacted include. Rockville, Bethesda, Olney, College Park, Langley Park, Beltsville, Aspen Hill, Potomac, North Bethesda, Fairland, White Oak, Redland, Takoma Park, Adelphi, Colesville, Kemp Mill, Chevy Chase, North Kensington, South Kensington, and Forest Glen.

At 802 PM EDT, a severe thunderstorm was located over Takoma Park, or over Langley Park, moving east at 20 mph. HAZARD. 60 mph wind gusts. SOURCE. Radar indicated. IMPACT. Damaging winds will cause some trees and large branches to fall. This could injure those outdoors, as well as damage homes and vehicles. Roadways may become blocked by downed trees. Localized power outages are possible. Unsecured light objects may become projectiles. Locations impacted include. College Park, Langley Park, Beltsville, Fairland, White Oak, Takoma Park, Adelphi, Colesville, Kemp Mill, Chevy Chase, South Kensington, Forest Glen, Hillandale, Martin's Additions, North Chevy Chase, Wheaton-Glenmont, Silver Spring, Wheaton, Chillum, and Calverton.

FFWLWX The National Weather Service in Sterling Virginia has issued a * Flash Flood Warning for. East Central Howard County in central Maryland. South Central Baltimore County in northern Maryland. Baltimore City in northern Maryland. * Until 1000 PM EDT. * At 801 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1 inch of rain has fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts of 0.5 to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. 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. Baltimore. Columbia. Historic Ellicott City. Ellicott City. Catonsville. Woodlawn. Arbutus. Ilchester. Oella.

SVRLWX The National Weather Service in Sterling Virginia has issued a * Severe Thunderstorm Warning for. The City of Fairfax in northern Virginia. South central Arlington County in northern Virginia. Southern Fairfax County in northern Virginia. The City of Manassas Park in northern Virginia. Central Prince William County in northern Virginia. The City of Manassas in northern Virginia. The City of Alexandria in northern Virginia. * Until 845 PM EDT. * At 752 PM EDT, a severe thunderstorm was located over Bull Run, or near Centreville, moving east at 30 mph. HAZARD. 60 mph wind gusts and quarter size hail. SOURCE. Radar indicated. IMPACT. Damaging winds will cause some trees and large branches to fall. This could injure those outdoors, as well as damage homes and vehicles. Roadways may become blocked by downed trees. Localized power outages are possible. Unsecured light objects may become projectiles. * Locations impacted include. Arlington, Alexandria, Centreville, Dale City, Annandale, Springfield, Fort Washington, Fairfax, Fort Hunt, Groveton, Huntington, Mantua, Fort Belvoir, Woodbridge, National Harbor, Lake Ridge, Burke, Linton Hall, Lincolnia, and Lorton.

FFWLWX The National Weather Service in Sterling Virginia has issued a * Flash Flood Warning for. Northeastern Howard County in central Maryland. Southwestern Baltimore County in northern Maryland. Baltimore City in northern Maryland. * Until 1030 PM EDT. * At 728 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1 inch of rain has fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. 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. Baltimore. Pikesville. Ellicott City. Towson. Woodlawn. Randallstown. Parkville. Eldersburg. Milford Mill. Lochearn. Daniels. Granite. Woodstock. Marriottsville. West Friendship. Glenelg.

TORNADO WATCH 335 REMAINS VALID UNTIL 11 PM EDT THIS EVENING FOR THE FOLLOWING AREAS THE DISTRICT OF COLUMBIA IN MARYLAND THIS WATCH INCLUDES 13 COUNTIES IN CENTRAL MARYLAND ANNE ARUNDEL HOWARD MONTGOMERY PRINCE GEORGES IN NORTH CENTRAL MARYLAND CARROLL FREDERICK IN NORTHEAST MARYLAND CECIL IN NORTHERN MARYLAND BALTIMORE BALTIMORE CITY HARFORD IN SOUTHERN MARYLAND CALVERT CHARLES ST. MARYS IN VIRGINIA THIS WATCH INCLUDES 13 COUNTIES IN CENTRAL VIRGINIA CITY OF FREDERICKSBURG KING GEORGE IN NORTHERN VIRGINIA ARLINGTON CITY OF ALEXANDRIA CITY OF FAIRFAX CITY OF FALLS CHURCH CITY OF MANASSAS CITY OF MANASSAS PARK FAIRFAX FAUQUIER LOUDOUN PRINCE WILLIAM STAFFORD THIS INCLUDES THE CITIES OF ABERDEEN, ALEXANDRIA, ANNAPOLIS, ARLINGTON, ARNOLD, ASPEN HILL, BALLENGER CREEK, BALTIMORE, BEL AIR, BETHESDA, BOWIE, CALIFORNIA, CAMP SPRINGS, CATONSVILLE, CHANTILLY, CHESAPEAKE BEACH, CLINTON, COLLEGE PARK, COLUMBIA, DAHLGREN, DUNDALK, DUNKIRK, EDGEWOOD, ELDERSBURG, ELKTON, ELLICOTT CITY, ESSEX, FAIRFAX, FALLS CHURCH, FALLSTON, FALMOUTH, FREDERICK, FREDERICKSBURG, GAITHERSBURG, GERMANTOWN, GLEN BURNIE, GREENBELT, HAVRE DE GRACE, HERNDON, HUNTINGTOWN, JOPPATOWNE, LAUREL, LEESBURG, LEXINGTON PARK, LUSBY, MANASSAS, MANASSAS PARK, MCLEAN, NORTH BEACH, ODENTON, PARKVILLE, PIKESVILLE, POTOMAC, PRINCE FREDERICK, RANDALLSTOWN, RESTON, ROCKVILLE, SEVERN, SEVERNA PARK, SILVER SPRING, SOUTH GATE, ST. CHARLES, STERLING, SUITLAND-SILVER HILL, TOWSON, WALDORF, WARRENTON, WASHINGTON, WESTMINSTER, AND WOODBRIDGE.

THE NATIONAL WEATHER SERVICE HAS EXTENDED SEVERE THUNDERSTORM WATCH 333 TO INCLUDE THE FOLLOWING AREAS UNTIL 9 PM EDT THIS EVENING IN DELAWARE THIS WATCH INCLUDES 3 COUNTIES IN CENTRAL DELAWARE KENT IN NORTHERN DELAWARE NEW CASTLE IN SOUTHERN DELAWARE SUSSEX IN MARYLAND THIS WATCH INCLUDES 4 COUNTIES IN NORTHEAST MARYLAND CAROLINE KENT QUEEN ANNE'S TALBOT IN NEW JERSEY THIS WATCH INCLUDES 5 COUNTIES IN SOUTHERN NEW JERSEY ATLANTIC CAPE MAY CUMBERLAND GLOUCESTER SALEM THIS INCLUDES THE CITIES OF ATLANTIC CITY, CENTREVILLE, CHESTERTOWN, DENTON, DEPTFORD, DOVER, EASTON, GEORGETOWN, GLASSBORO, HAMMONTON, MILLVILLE, OCEAN CITY, PENNSVILLE, AND WILMINGTON.