“Excessive runoff can cause flooding of rivers, streams, streams, and other low-lying flood-prone areas,” the National Weather Service wrote. “Creeks and streams can also spring up from their banks. Flooding can occur in urban areas with poor drainage.”
Eastern North Carolina and southeastern Virginia could receive an additional 1 to 2 inches on top of the 1.5 to 2.5 inches that have already fallen, and areas from eastern Massachusetts to eastern Maine could receive 1.5 to 3.5 inches. there's a possibility that.
Heavy rain is expected to continue east of Baltimore, where work is being done to remove the Francis Scott Key Bridge collapse. But the storm could be followed by ferocious winds, with gusts of up to 20 mph Thursday and up to 40 mph Friday, potentially complicating efforts.
The lack of rain in Baltimore was welcome news for Thursday's home opener between the Orioles and Los Angeles Angels, scheduled for 3:05 p.m., but wet weather in Philadelphia and New York Major League Baseball has been forced to postpone the home opener between the Phillies and Mets until the next date. Friday.
How much rain has already fallen?
As of noon ET Thursday, radar showed rain falling along the East Coast from near Myrtle Beach, South Carolina, to northern Maine. More than an inch of rain fell on Long Island, and many areas in east-central Massachusetts received half an inch to an inch of rain.
New York City's Central Park saw a rise of 0.48 inches, and Philadelphia saw a rise of 0.41 inches. About an inch of rain fell in Baltimore and Washington, most of which fell on Wednesday and stopped by Thursday morning.
The heaviest damage so far has been concentrated in the Delmarva Peninsula, southeastern Virginia and eastern North Carolina, where about 1.5 to 2.5 inches of rain fell.
Rain is expected to continue into Thursday night in the eastern Mid-Atlantic, from eastern North Carolina to the Delmarva Peninsula. But in New England, the rain could continue into Friday. In interior and northern Maine, Friday's rain will likely turn to snow before ending Saturday morning.
This precipitation is due to a long cold front along the east coast. A wave of low pressure is riding on the front, and rainfall is increasing.
By Thursday afternoon, a wave of low pressure east of Cape Hatteras, North Carolina will become more organized and dominant. It then moves north just off the East Coast, drawing energy from turbulence in the jet stream and intensifying as it moves through the Gulf Stream.
Rainfall is expected to increase in intensity and intensity across eastern New England Thursday night, with the back end of the rain screen expected to slide east of New York City by midnight.
Heavy rain will be concentrated along the coastline from Cape Cod to lower eastern Maine into Friday. Another 1 to 1.5 inches of rain is expected in the area, which could cause flooding in places given how saturated the ground is already. Many locations in eastern New England have experienced precipitation totals of 6 to 10 inches above average over the past three months.
Heavy rain hit the Tohoku region just last weekend. Boston received 2.28 inches of rain on Saturday, the heaviest calendar day total since July 29.
