Unfounded rumors linking an extreme weather event to human attempts at weather modification are again spreading on social media. It is not plausible that available weather modification techniques caused or influenced the July 4 flash flooding along the Guadalupe River in Texas.

The early warnings and alerts from the National Weather Service didn’t indicate a catastrophic flood was on its way.

McALLEN, Texas ( Border Report) — A flood warning has been issued for the Rio Grande for the South Texas border town of Laredo and Webb County. The National Weather Service on Monday morning warned that the international river could swell through Thursday evening and cause “minor flooding.”