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Eastern Mexico braces for second tropical flooding threat in less than a week

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On the heels of Danielle, another weak tropical system will move onshore in eastern Mexico with drenching downpours and the risk of flash flooding this weekend.

A cluster of showers and thunderstorms associated with the system was drifting across the southwestern Gulf of Mexico, known as the Bay of Campeche, on Friday.

The system has a low chance of developing into a tropical depression over the Bay of Campeche before moving onshore in the state of Veracruz this weekend, according to AccuWeather Hurricane Expert Dan Kottlowski.

"Regardless of development, this system will bring moderate to heavy rainfall over parts of eastern Mexico," Kottlowski said.

The system will wander in a general west to northwest direction and onshore this weekend.

The chance of development will end once the center moves inland. The system will then gradually lose any organization and downpours will diminish over time.

While the rainfall is needed in many locations following dry conditions from the past winter, too much rain will threaten lives and property in the region.

Where the rain falls on saturated soil, rocky terrain or urban areas, the potential for flash flooding will be enhanced.

"Danielle deposited more than 20 cm (8 inches) of rain on Tampico with more than 13 cm (5 inches) of rain on Orizba and Tuxpan last week," according to AccuWeather International Meteorologist Eric Leister.

Localized flooding downpours can occur in parts of Veracruz, southern Tamaulipas, eastern San Luis Potosi, Hidalgo, northeastern Puebla and Tlaxcala before diminishing this weekend.

In addition to the threat of flooding, the weak system will produce locally rough seas and surf, as well as the possibility of locally strong wind gusts in the vicinity of thunderstorms through Saturday.