The Houston area under flash flood control from the afternoon until tuesday morning

A lightning watch is in effect from 13 hours. today until Tuesday morning, according to the National Meteorological Service.

Brazoria, Chambers. The counties of Galveston, Fort Bend, Liberty and Harris are all under surveillance.

Thunderstorms could begin along the coast this morning and develop between the coast and Interstate 10 this afternoon, according to meteorologists. Later, other storms could happen overnight.

Rainfall rates are expected to be high and flash floods may occur in areas where rates remain high for long periods.

Southwestern Texas experienced a rainy week last week, and on Sunday, precipitation was 2 inches per hour, according to the weather service.

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Street floods are expected in low-lying areas and poor drainage areas. According to meteorologists, the water should remain in the banks of the bayous unless the precipitation lasts more than two or three hours.

The rain should last at least Friday.

And tropical activity is beginning to take shape in the Atlantic as the hurricane season continues.

A storm system is also moving into the Gulf of Mexico this week. Tropical waves are unlikely to turn into a tropical storm, according to meteorologists.

But three hurricanes already beat the Atlantic – Florence, Helen and Isaac.

Florence is expected to hit the east coast of the United States on Friday. Helene continues her course to the northwest before expecting a sharp northward turn in the Atlantic and Isaac is expected to move west into the Caribbean this weekend, according to the National Hurricane Center.