Update: Cold front could trigger strong storms (2024)

BALTIMORE —

There is a potential for scattered severe storms Monday afternoon and evening in Maryland.

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UPDATE (6:05 p.m.) -- Storms moving across Carroll and Frederick counties will arrive in Baltimore and Howard counties and possibly Baltimore City between 6:30-7:30 p.m. Heavy rain, hail and gusty winds are possible.

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UPDATE (5:38 p.m.) -- A severe thunderstorm was located near New Market, or 9 miles east of Harry Grove Stadium, moving east at 25 mph with 60 mph wind gusts.

UPDATE (5:10 p.m.) -- One lone storm was in Frederick County at 5:10 p.m., moving east. If it holds together, it will move into parts of Carroll and Baltimore counties between 5:30-7 p.m. with gusty winds and heavy rain possible.

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UPDATE (4 p.m.) -- Still clear around the Baltimore metro, but storms are moving into the Frederick area and the Upper Eastern Shore. Cloud thinning could mean unstable atmosphere in which storms could form.

UPDATE (3:30 p.m.) -- The National Weather Service issued a TORNADO WATCH until 11 p.m. for much of Central and Southern Maryland.

UPDATE (3:25 p.m.) -- A few showers are moving through Maryland along and east of Interstate 95.

Instability is expected as the rain showers move out of the area and skies clear.

UPDATE (2:15 p.m.) -- Clouds and showers Monday morning helped to stabilize the atmosphere, but there remains a chance for severe storms in the afternoon and evening.

Futurecast radar shows strong storms possibly developing around 4 p.m. in the Frederick area that could head toward Baltimore by 5-6 p.m. These storms could produce large hail, damaging winds and a chance for tornadoes.

By the evening, a cold front should sweep any storms toward the Eastern Shore and off the coast.

UPDATE (1:30 p.m.) -- Expect a few showers to pass through Baltimore City between 1:30-3 p.m. No severe weather yet.

Atmosphere fairly stable around Baltimore at 1:30 p.m. There is still a chance for strong storms this evening. Watch for storm development west of Frederick after 4 p.m.

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UPDATE (1 p.m.) -- Light showers or sprinkles over the next hour or so. Uncertainty remains as to how thunderstorms will develop. If they do develop, it appears the most likely time for storms in the Baltimore area would be around dinner time and thereafter. Storms could bring about 60 mph wind gusts and quarter-size hail, with chances for tornadoes and flash flooding.

UPDATE (Noon) -- If there are some breaks in the overcast early this afternoon, there is still a chance for severe weather in the Baltimore metro later today -- sunshine is fuel for storms on days like today. If it stays cloudy, the risk for strong storms will be much lower.

UPDATE (11:30 a.m.) -- Annapolis Memorial Day parade canceled due to severe weather threat, city police say.

Radar Update: Expect scattered showers and storms through 1 p.m. in the Baltimore metro. These will likely not be severe; however, a few stronger storms are still possible later today.

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Memorial Day Monday will be an impact weather day in Maryland. The Storm Prediction Center put Maryland in the "slight risk" (level two out of five) for severe weather hazards that include large hail, damaging winds and isolated tornadoes.

High temperatures will be in the 80s, making for a hot and humid day, with a scattered chance for storms.

Only sprinkles are expected before noon, but storms are scattered thereafter. Monday is set to start with cloud cover before that clears. After that, the sun will come out and the atmosphere will destabilize. By the mid-afternoon, some areas could see severe storms, particularly south of Baltimore and on the Eastern Shore.

Then, by the evening, more thunderstorms will move through the Baltimore area. There could be a rain delay for the Orioles game. Thunderstorms could bring heavy rain, which means isolated flooding in some areas by Monday night.

Download the WBAL-TV app NOW and turn on push alerts to be aware of severe weather warnings, listen to NOAA Weather radio, and watch WBAL-TV 11 when impending severe weather develops.

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Maryland's 7-Day Weather Forecast

Alert Days vs. Impact Days

You may see the WBAL-TV 11 Weather Team highlight Alert Days or Impact Days in the forecasts. Here's what that means:

• An Impact Day is when weather will likely disrupt your normal daily schedule or routine.
• An Alert Day is when there's a threat of extreme, severe and possibly life-threatening weather.

Potential power outages

Storm conditions could cause outages by knocking down tree limbs onto power lines and other electric delivery equipment. Baltimore Gas and Electric asks all customers to report their outage in any of the following ways: 

• Online, at BGE.com
• BGE's free mobile app, available at the Apple Store or Google Play 
• Text message, to 69243 
• Phone, by calling 877-778-2222

The latest outage information, including total number and general locations, is available on the BGE.com outage map.

As a reminder, fallen overhead power lines should never be approached or touched even if the lines do not appear to be live or sparking. Call BGE at 877-778-2222 to report fallen electrical lines, power outages and gas odors.

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