Sonia Bringing Heavy Rain, Flooding Risk to Mexico

By , Expert Senior Meteorologist
November 04, 2013; 5:14 AM
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Sonia is bringing another round of heavy rain to part of Mexico hit hard by flooding and mudslides this past summer.

Sonia will continue to track northeastward into Tuesday over Mexico as a tropical rainstorm, weakening quickly as it moves across the higher terrain of the Sierra Madre Occidental.

@DiegoGarcesTV tweeted: "#MEXICO: Schools are closed and shelters are open on the west coast ahead of Tropical Storm #Sonia @ThisIsFusion #TropicalStorm"

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States to watch in Mexico for heavy rain, flooding and mudslide issues as the system unwinds include Sinaloa, Durango, Zacatecas, southeastern Chihuahua and Nayarit.

This satellite image of Sonia, courtesy of NOAA, was taken Monday, Nov. 4, 2013.

According to data gathered by the Mexico National Weather Service, Sonia brought more than 140 mm (5.50 inches) in 24 hours to Sanalona, in the Mexican state of Sinaloa. This area was just inland, across the higher terrain near where Sonia made landfall.

Similar to what happened Raymond's moisture last week, some moisture from Sonia will survive the trip over the Mexico mountains and will join up with a new storm forecast to affect Texas and the southern Plains as this week progresses.

RELATED:
Eastern Pacific Hurricane Center
AccuWeather.com Mexico Forecast Center
Latest Statistics on Sonia

While the rain will benefit drought areas, enough rain could fall in the South Central states to bring a new round of flash and urban flooding through Wednesday.

The Eastern Pacific has produced 18 tropical systems, including Sonia, through early November, including eight hurricanes. Three (Barbara, Manuel and Octave) have made landfall along the west coast of Mexico this season yielding flooding rainfall. However, five others (Erick, Ivo, Julliette, Lorena and Raymond) that paralleled the coast just offshore also brought swaths of rain and flooding.

Manuel and Octave caused significant rain and flooding in the southern Gulf of California region.

At least four other systems (Barry, Fernand, Ingrid and Karen) from the Atlantic Basin brought heavy rain and flooding to some eastern portions of Mexico this season.

This story was written and published on Friday, Nov. 1, 2013, and has since been updated Monday, Nov. 4, 2013.


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