Heavy rain is forecast to cross Maryland late Thursday, and could cause flash flooding north and west of Baltimore. The National Weather Service issued a flash flood watch across Carroll, northern Baltimore and northern Harford counties until midnight.
The 993,000 Marylanders going to the beach and other start-of-summer vacation spots is up nearly 6 percent, the biggest jump since 2010, despite high gas prices and the holiday travel period — Tuesday to Sunday — being a day shorter than last year’s, according to AAA Mid-Atlantic.
"Multiple rounds" of rain and thunderstorms are forecast Sunday afternoon and evening, and some could produce flash floods, the National Weather Service said. A flash flood watch is in effect from 2 p.m. through the night.
May brought record warmth across the country and record rainfall in Maryland. Average temperatures across the contiguous United States were more than 5 degrees above normal last month, according to the National Centers for Environmental Information. Maryland rainfall was nearly 8 inches.
At 4:27 p.m. the weather service sent out its first flash flood warning that popped up on area cell phones. Some residents however say the alert came too late, that by then they were already surrounded by water.
The seemingly endless rain showers that have plagued the region of late — causing devastating flooding in Ellicott City — will become lighter Sunday night into Monday morning, according to the National Weather Service.
This month is already Baltimore's seventh-wettest May on record, and more flooding could be on the way. Meteorologists predict storms with heavy downpours could hit Thursday, Friday and Saturday, causing more flooding on heavily saturated ground.
Rainfall this month has already surpassed what is normal for May in Baltimore, with several more inches expected to bring flooding risks through the weekend. The persistent precipitation is the result of an unusual weather pattern sending Gulf moisture north and dumping it over the mid-Atlantic.
Severe thunderstorms with damaging winds and hail are possible Thursday afternoon across Central Maryland, meteorologists said. After some intermittent morning rain showers, the storms are expected to move through the region around 2-4 p.m.
After the wettest Kentucky Derby on record, will the "mudders" have an advantage at the 143rd Preakness, too? Long-term forecasts have Maryland on the edge of a wet weather trend for the third week of May.
While winter cold lingered into April, May is forecast to start off with some summerlike heat around Baltimore. High temperatures could challenge records later this week, particularly Thursday. High pressure is forecast to dominate this week, keeping skies mostly clear for plenty of sunshine.
If Carroll County was suddenly to be struck by severe weather — high winds, flooding, hail, lightning, even tornadoes — would you and your family be prepared? That’s the question Carroll County Department of Public Safety/Emergency Management would like you to think about.