At 928 PM EDT, Doppler radar was tracking a strong thunderstorm near Montross, moving northeast at 25 mph. HAZARD. Wind gusts up to 40 mph. SOURCE. Radar indicated. IMPACT. Gusty winds could knock down tree limbs and blow around unsecured objects. This storm will remain over mainly rural areas of northwestern Richmond and northern Westmoreland Counties, including the following locations. Lerty, Stratford Hall, Currioman Landing, Potomac Beach, Potomac Mills, Oak Grove, Singerly, Mount Holly, Peeds, and Erica.

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 1100 PM EDT. * At 859 PM EDT, strong thunderstorms were located along a line extending from 31 nm northwest of Tidal Basin to 23 nm west of Key Bridge to 34 nm west of Quantico to 35 nm west of Aquia Creek to 52 nm west of Brent Point, moving east at 45 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. Potomac Creek, Nanjemoy Creek, Swan Point, Gunston Hall, Occoquan Bay, Popes Creek, Maryland Point, Port Tobacco River, Leesylvania State Park, Colonial Beach, Mathias Point, U.S. 301 Nice Memorial Bridge, Mason Neck State Park, Woodrow Wilson Bridge, Indian Head, Fort Hunt, Brent Point, Reagan National Airport, Quantico, and Westmoreland State Park.

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 471 IN EFFECT UNTIL MIDNIGHT EDT TONIGHT 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 TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND MD 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

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. Tangier Sound and the inland waters surrounding Bloodsworth Island. Tidal Potomac from Cobb Island MD to Smith Point VA. * Until 1015 PM EDT. * At 842 PM EDT, a strong thunderstorm was located near Coles Point, moving northeast at 20 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. Yeocomico River, Hooper Island Light, Solomons Island, Nanticoke River Mouth, Cuckold Creek, Town Creek, Cobb Island, Coltons Point, Drum Point, Nomini Bay, Coles Point, Honga River, Saint George Island, Fishing Bay, Point No Point, Wicomico River, Calvert Cliffs, The Targets, Bivalve, and Richland Point Buoy.

SVRLWX The National Weather Service in Sterling Virginia has issued a * Severe Thunderstorm Warning for. Washington County in north central Maryland. Frederick County in north central Maryland. North central Loudoun County in northern Virginia. Northeastern Jefferson County in the Panhandle of West Virginia. Northeastern Berkeley County in the Panhandle of West Virginia. * Until 1000 PM EDT. * At 909 PM EDT, severe thunderstorms were located along a line extending from near Williamsport to near Harpers Ferry, moving east at 45 mph. HAZARD. 60 mph wind gusts. SOURCE. Trained weather spotter reported a 65 mph wind gust in Shepherdstown, WV. 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. Frederick, Hagerstown, Martinsburg, Thurmont, Emmitsburg, Shepherdstown, Municipal Stadium, Harry Grove Stadium, Ballenger Creek, Mount Airy, Robinwood, Brunswick, Walkersville, Fountainhead-Orchard Hills, Ranson, Boonsboro, Smithsburg, Braddock Heights, Paramount-Long Meadow, and Wilson-Conococheague.

SVRLWX The National Weather Service in Sterling Virginia has issued a * Severe Thunderstorm Warning for. Southwestern Prince Georges County in central Maryland. Northwestern Charles County in southern Maryland. Southeastern Fairfax County in northern Virginia. Southeastern Prince William County in northern Virginia. The southern City of Alexandria in northern Virginia. * Until 1000 PM EDT. * At 936 PM EDT, a severe thunderstorm was located over Burke, or near Springfield, moving east at 40 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. Alexandria, Waldorf, Dale City, Annandale, Clinton, Springfield, Fort Washington, Fort Hunt, Groveton, Huntington, Fort Belvoir, Woodbridge, National Harbor, Lake Ridge, Burke, Lincolnia, Montclair, Camp Springs, Lorton, and Franconia.

At 950 PM EDT, a severe thunderstorm was located over Groveton, moving east at 40 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. Alexandria, Waldorf, Dale City, Annandale, Clinton, Springfield, Fort Washington, Fort Hunt, Groveton, Huntington, Fort Belvoir, Woodbridge, National Harbor, Lincolnia, Montclair, Camp Springs, Lorton, Franconia, Oxon Hill, and Hybla Valley.

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 471 IN EFFECT UNTIL MIDNIGHT EDT TONIGHT FOR THE FOLLOWING AREAS THE DISTRICT OF COLUMBIA IN MARYLAND THIS WATCH INCLUDES 12 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 IN VIRGINIA THIS WATCH INCLUDES 17 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 RAPPAHANNOCK THIS INCLUDES THE CITIES OF ABERDEEN, ALEXANDRIA, ANNAPOLIS, ARLINGTON, ARNOLD, ASPEN HILL, BALLENGER CREEK, BALTIMORE, BEL AIR, BETHESDA, BOWIE, 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, LUSBY, 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.