Squall lines often pass quickly and are less prone to produce tornadoes, according to the National Severe Storm Laboratory. Shelf clouds are usually confused with wall clouds. Wall clouds develop ...

The storm will have a flat updraft base and potentially a wall cloud underneath the updraft. The precipitation (rain and hail) will fall adjacent to the updraft, usually underneath the forward ...

Weather service meteorologist Janice Maldonado relayed that the agency “just got a public report of a wall cloud and funnel cloud in northwest Harris (between Cypress and Fairfield). This storm ...