On March 20, a flood warning was in effect up and down the eastern sides of Texas and Oklahoma, including Dallas and Fort Worth, Texas. The National Weather Service posted a flood warning for the double cities because of heavy rainfall over the last 36 hours. More isolated thunderstorms are expected to develop late afternoon and evening, generating more heavy rainfall, lightning and small hail.

The AIRS instrument onboard NASA's Aqua satellite captured an infrared image that showed cloud top temperatures in the severe frontal system over Texas and Oklahoma on March 20 at 0753 UTC 34:53 am EST). The strongest thunderstorms, heaviest rainfall and coldest cloud top temperatures (around 220 Kelvin/ -63.6 F/-53.1 C) appear in purple.











