Intense thunderstorms sweeping through the Rio Grande Valley are unleashing unleashed flash floods across multiple counties in Texas late Thursday into Friday, with authorities warning residents to avoid low-lying areas where water catchment and poor drainage are possible.

Catastrophic and historic flash floods hit Harlingen, Texas shattering records and devastating the South Texas community.

Hidalgo, Willacy and Cameron counties in Texas faced among the heaviest storms, which lasted for about 48 hours, local officials said