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The combination of a powerful storm system and a blocked frontal border resulted in multiple heavy rain rains in the southeast this week.
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Among the largest since Tuesday is 14.26 inches of rain in the suburbs of Houston, Richmond, Texas; 7.25 inches in Greenville, Mississippi; and 7.14 inches in Shreveport, Louisiana.
Despite a relatively calm night for flash floods, new thunderstorms are on their way to parts of the Gulf Coast this Saturday morning.
On Saturday morning, the radar broadcast a few thunderstorms over parts of Louisiana and Mississippi, where cells pour rainfall of 1 to 2 inches per hour, which could cause sudden floods. In addition, there were some tornado warnings due to a thunderstorm in southern Louisiana.
Flash flood warnings were issued from Texas to Mississippi on Saturday morning, mainly because any additional rain in the area could worsen river floods and saturated soil could quickly cause flooding.
A system will help trigger storms along the southeast coast of Texas, including Houston. Very heavy rains – 1 to 2 inches per hour – are possible. During this period of activity, there could be a flash flood in southeastern Texas.
When this depression settles in the southern Mississippi Valley, it will cause severe storms in eastern Texas, most of Louisiana and Mississippi. The main threats with the serious risk on Saturday are high winds and heavy hail. However, brief tornadoes can not be excluded. Of course, these storms will also bring more rain to the saturated water areas of the Gulf Coast.
On Sunday morning, this complex storm system will pour heavy rains over parts of the mid-Atlantic and northeastern shores. Locally, one can expect 1 to 2 inches of rain due to the Pennsylvania showers in New Jersey. Another series of storms is possible in parts of the Gulf.
Violent storms will set off from Georgia to North Carolina. The high-risk region includes many large cities: Atlanta, Charlotte, and part of the Raleigh metropolitan area. High winds and heavy hail will again be the main threat. However, brief tornadoes could form in the area.
Part of the Gulf and Southeast could receive 2 to 4 inches of rain over the weekend. Part of this heavy rain will reach the Mid-Atlantic and Northeast Sunday, then part of New England on Monday.
Any extra rain in southeast Texas could easily trigger a sudden flood, while parts of Louisiana, Mississippi and Alabama could see thunderstorms occurring on Saturday and Saturday nights. Storms with torrential rains on Sunday between Georgia and Virginia could result in sudden onshore flooding and localized rainfall rates of 1 to 2 inches per hour.
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