Weather Alerts-

Severe Thunderstorm Warning

From Mon 8:33 pm until 9:15 pm EDT

1 of 5

Action Recommended

Take shelter in place or per instructions

Issued By

Baltimore/Washington - MD, US, National Weather Service

Affected Area

Fairfax County

Description

The National Weather Service in Sterling Virginia has issued a Severe Thunderstorm Warning for... The District of Columbia... Howard County in central Maryland... Montgomery County in central Maryland... Southeastern Frederick County in north central Maryland... Southwestern Baltimore County in northern Maryland... Central Prince Georges County in central Maryland... South central Carroll County in north central Maryland... Northwestern Anne Arundel County in central Maryland... North central Charles County in southern Maryland... Southeastern Loudoun County in northern Virginia... Northern Stafford County in northern Virginia... The City of Falls Church in northern Virginia... Fairfax County in northern Virginia... East central Fauquier County in northern Virginia... The City of Manassas Park in northern Virginia... Prince William County in northern Virginia... The City of Manassas in northern Virginia... The City of Fairfax in northern Virginia... Arlington County in northern Virginia... The City of Alexandria in northern Virginia... Until 915 PM EDT. At 832 PM EDT, severe thunderstorms were located along a line extending from near Green Valley to near Bealeton, moving east at 65 mph. HAZARD...60 mph wind gusts. SOURCE...NWS Observation. 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, Columbia, Germantown, Centreville, Waldorf, Dale City, Rockville, Bethesda, Gaithersburg, Reston, Annandale, Clinton, Olney, Pikesville, Springfield, College Park, South Riding, Fort Washington, and Herndon. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Damaging winds and continuous cloud to ground lightning are occurring with these storms. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. HAIL THREAT...RADAR INDICATED; MAX HAIL SIZE...<.75 IN; WIND THREAT...RADAR INDICATED; MAX WIND GUST...60 MPH

Severe Thunderstorm Watch

From Mon 8:16 pm until Tue 12:00 am EDT

2 of 5

Action Recommended

Attend to information sources as described in the instructions

Issued By

Baltimore/Washington - MD, US, National Weather Service

Affected Area

Tidal Potomac from Key Bridge to Indian Head MD

Description

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 71 IN EFFECT UNTIL MIDNIGHT EDT TONIGHT FOR THE FOLLOWING AREAS THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS 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 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

Special Marine Warning

From Mon 8:37 pm until 10:00 pm EDT

3 of 5

Action Recommended

Avoid the subject event as per the instructions

Issued By

Baltimore/Washington - MD, US, National Weather Service

Affected Area

Tidal Potomac from Key Bridge to Indian Head MD

Description

The National Weather Service in Sterling Virginia has issued a Special Marine Warning for... Tidal Potomac from Cobb Island MD to Smith Point VA... Tidal Potomac from Indian Head to Cobb Island MD... Tidal Potomac from Key Bridge to Indian Head MD... Until 1000 PM EDT. At 837 PM EDT, severe thunderstorms capable of producing waterspouts were located along a line extending from 26 nm west of Key Bridge to 24 nm southwest of Potomac Creek, moving northeast at 65 knots. HAZARD...Wind gusts in excess of 48 knots and waterspouts. 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. Waterspouts can easily overturn boats and create locally hazardous seas. Locations impacted include... Potomac Creek, Breton Bay, Nanjemoy Creek, Quantico, Reagan National Airport, Swan Point, Coltons Point, Gunston Hall, Occoquan Bay, Popes Creek, Saint Clements Bay, Maryland Point, Port Tobacco River, Colonial Beach, Leesylvania State Park, Cobb Island, Mathias Point, U.S. 301 Nice Memorial Bridge, Mason Neck State Park, and Woodrow Wilson Bridge. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately. WATERSPOUT...POSSIBLE; HAIL...0.00IN; WIND...48KTS

Gale Warning

Until Tue 1:00 am EDT

4 of 5

Action Recommended

Avoid the subject event as per the instructions

Issued By

Baltimore/Washington - MD, US, National Weather Service

Affected Area

Tidal Potomac River from Key Bridge to Smith Point VA, and Chesapeake Bay and adjoining estuaries north of Smith Point VA

Description

...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EDT TUESDAY... WHAT...South winds 15 to 30 kt with gusts up to 40 kt and waves 3 to 6 ft. WHERE...Tidal Potomac River from Key Bridge to Smith Point VA, and Chesapeake Bay and adjoining estuaries north of Smith Point VA. WHEN...Until 1 AM EDT Tuesday. IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions.

Wind Advisory

From Mon 8:00 pm until Tue 12:00 am EDT

5 of 5

Action Recommended

Execute a pre-planned activity identified in the instructions

Issued By

Baltimore/Washington - MD, US, National Weather Service

Affected Area

The Washington Metropolitan area, northern Virginia, northern and central Maryland as well as southern Maryland

Description

...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO MIDNIGHT EDT TONIGHT... WHAT...West winds 20 to 30 mph with gusts up to 55 mph expected. WHERE...The Washington Metropolitan area, northern Virginia, northern and central Maryland as well as southern Maryland. WHEN...From 8 PM this evening to midnight EDT tonight. A sudden onset of strong winds are expected behind the cold front this evening. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Be prepared for a sudden onset of strong winds this evening.

Radar

Now9:30 pm10:00 pm10:30 pm11:00 pm11:30 pm12:00 am12:30 am1:00 am1:30 am2:00 am2:30 am3:00 am

Lonely Planet

7 Top Hikes In Kyoto For Scenic Views And Cultural Encounters

10 Of The Best Places For Stargazing In The USA

16 Of The Best Things To Do In London

The Best Time To Visit Europe