By Eric Leister, Meteorologist
February 5,2014; 4:41PM,EST
A stalled frontal boundary with several areas of low pressure tracking along it brought heavy rainfall to parts of northern Argentina and Uruguay since the end of last week.
By Monday morning, rainfall had already totaled a general 75-150 mm (3-6 inches) from near Rosario, in Argentina, eastward into southern and central Uruguay.
The cities of Montevideo and Buenos Aires recorded 25-75 mm (1-3 inches) of rain during the same stretch of time.
Photo of a car driving through flood waters, courtesy of Photos.com.Monday into Monday night, the heaviest rain fell across northwestern Uruguay where more than 100 mm (4 inches) fell around Salto.
As expected, rainfall was not as heavy or widespread on Tuesday, however scattered showers and thunderstorms did occur across the entire region. Rainfall was generally less than 6mm (0.25 of an inch).
Another wave of low pressure and frontal boundary will bring the threat for widespread heavy rainfall parts of northern Argentina on Wednesday and Wednesday night. The heavy rainfall will also spread into Uruguay Wednesday night.
This front will stall over northern Argentina and southern Uruguay through the upcoming weekend leading to rounds of rain and thunderstorms.
Additional rainfall will average 100-200 mm (4-8 inches) across the entire region, including Buenos Aires, Montevideo and Rosario, through the weekend. Local rainfall amounts of 300 mm (12 inches) or greater are possible.
RELATED:
Detailed Buenos Aires Forecast
Argentina Weather Center
Detailed Montevideo Forecast
Other cities in the path of the heaviest rainfall include Gualeguaychu and Salta in Argentina and Durazno in Uruguay.
The pattern will likely remain active with additional rainfall during the first half of next week.
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