Sunday was Nice, But Now the Rain is Coming Back!

Headline: 

Moderate rainfall Tuesday and Wednesday could lead to new or renewed river flooding.

Area of Concern:

 All of South Central Texas, but the  Colorado, Llano, Nueces, Frio, and Rio Grande river basins are those  most at risk from additional rainfall. 

Threats & Impacts: 

Rainfall: 2 to 3 inches of  rainfall are possible across South Central Texas Monday through  Wednesday. Some isolated totals up to 4 inches are possible.  

Timing and Overview:

The best chances for moderate rainfall will come Tuesday and Wednesday.  

A coastal low off the Texas coast, remnants  of Pacific Hurricane Willa, and a large upper trough moving across the  Central Plains will all interact to bring good rain chances to South  Central Texas Monday night through Wednesday. Moderate rainfall will be  possible across most of South Central Texas Tuesday and Wednesday as  these different weather features provide the lift and moisture needed  for widespread light to moderate rainfall. While flash flooding does not look like a major concern, new or renewed river flooding and minor street or road flooding will  be the primary hazards. With how saturated the ground is from the last  10+ days of rainfall, most of the rain that falls will turn into runoff  and go directly into area streams, rivers, and lakes. Rivers in the  areas that have seen the most rain (Hill Country, Edwards Plateau, and  Rio Grande Plains) will be at the greatest risk as many are still in  flood or at least at bank full stage. The upper trough exits Texas Wednesday night  into Thursday, pushing rain east of the region with a dry forecast  through the weekend into next week. 

Confidence:

Rainfall: Moderate to High


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