National Weather Service United States Department of Commerce

Flash Flood Threats in the Northeast and Southeast; Excessive Heat in the Southwest

Heavy rain will lead to isolated flash flooding threats along coastal New England, and Florida today. Excessive heat will continue to impact the Southwest. Dry, gusty winds, and possible dry lightning will contribute to a critical fire weather threat today across the Interior Northwest. Scattered storms, some severe, are expected Saturday from the northern Plains toward the upper MS Valley. Read More >

Slide 13

Misconception  of Tornadic Winds

Another misconception that is closely tied with the one described in slide 12 is that wind is confined to areas only INSIDE the visible funnel cloud. Generally speaking, the misconception is that the overpass bridge protects people underneath it by preventing the tornadic airflow from reaching the people.

A description of the situation much closer to reality is presented in slide 14 and slide 15.

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