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A severe thunderstorm watch has been issued for parts of the DMV as thunderstorms develop across the region, bringing the potential for damaging winds, large hail, frequent lightning and torrential rain.
First Alert Weather reported Monday afternoon that the watch applies to areas within and around the Beltway and remains in effect until 9 p.m. Storms are expected to continue developing through the evening, with the greatest threat lasting until approximately 8 p.m.
Urgent Severe Thunderstorm Watch Brings Multiple Threats
Forecasters say the primary concern is damaging wind gusts of up to 60 mph. Winds of that strength can break branches, damage property and create hazardous driving conditions, particularly when storms move through neighborhoods and heavily traveled roads.
Large hail is also possible. Hail can damage vehicles, windows, roofs and outdoor equipment in only a few minutes. Residents are encouraged to move cars into garages or under covered areas if severe weather approaches and it is safe to do so.
In addition to strong winds and hail, the storms may produce frequent lightning and heavy rain. Torrential downpours could quickly overwhelm storm drains, cause temporary street flooding and reduce visibility for drivers during the evening commute.
Powerful Storms Could Affect the Evening Commute
The timing of the storms could create significant travel problems across Washington, D.C., Maryland and Northern Virginia. Heavy rain may arrive suddenly, while gusty winds and lightning could slow traffic or lead to short-term road hazards.
Drivers should avoid flooded roadways and never attempt to cross water covering a street. Even shallow-looking water can conceal dangerous conditions or cause a vehicle to lose traction. Motorists should also allow extra travel time, keep headlights on during heavy rain and avoid stopping beneath trees or near utility lines.
People outdoors should take the threat seriously. Lightning can strike well outside the immediate rain shaft, and outdoor activities should be moved inside once thunder is heard. Residents should monitor changing conditions throughout the evening because thunderstorms can intensify quickly.
What the Severe Thunderstorm Watch Means
A watch means that atmospheric conditions are favorable for severe thunderstorms to develop. It does not mean that every location within the watch area will experience severe weather, but it signals that residents should be prepared to act quickly.
A warning is more urgent. It means severe weather has been detected or is considered imminent in a specific area. If a warning is issued, people should immediately move indoors and stay away from windows.
- Stay inside a sturdy building when storms approach.
- Keep away from windows and glass doors during strong winds or hail.
- Unplug sensitive electronics if lightning becomes frequent.
- Bring outdoor furniture, decorations and loose items inside.
- Check on family members, neighbors and pets who may need assistance.
- Continue monitoring reliable weather updates until the threat has passed.
Is a Tornado Possible?
First Alert Weather said an isolated, low-end tornado cannot be ruled out. While tornado development is not expected everywhere, a sudden change in wind or a rapidly strengthening storm could increase the danger in localized areas.
Residents should identify the safest place in their home before storms arrive. The best option is an interior room on the lowest floor, away from windows. Mobile homes, vehicles and outdoor structures do not provide adequate protection from tornadoes or severe straight-line winds.
If a warning is issued, do not wait to see the storm. Move to a protected location immediately and remain there until officials or weather experts confirm that the danger has passed.
Stay Alert as Storms Move Across the DMV
The severe weather threat is expected to ease later Monday night, but conditions may change rapidly before then. Storms can produce intense rain and wind for only a short period while still creating dangerous conditions.
Residents across the watch area should keep phones charged, secure loose outdoor objects and remain weather aware through the evening. The most important step is to respond promptly if a severe thunderstorm or tornado warning is issued for the area.
Stay with First Alert Weather for continuing updates on storm development, warnings and changing conditions across the DMV.
Frequently Asked Questions
What time does the severe thunderstorm watch expire?
The watch is scheduled to remain in effect until 9 p.m. Monday for parts of the DMV.
What areas are included in the watch?
The watch includes areas inside and around the Beltway within the 7News viewing area.
What are the main threats from the storms?
The main threats are damaging wind gusts up to 60 mph, large hail, frequent lightning and heavy rain. An isolated, low-end tornado is also possible.
What should I do if a warning is issued?
Move indoors immediately and stay away from windows. If tornado activity is indicated, shelter in an interior room on the lowest floor of a sturdy building.
Could the storms affect travel?
Yes. Heavy rain, lightning, strong winds and reduced visibility may create dangerous driving conditions and disrupt the evening commute.
