Flash floods can develop quickly, sometimes in just a few minutes and wihtout any visible signs of rain. Flash floods often have a dangerous wall of roaring water that caries rocks, mud and other debris and can sweep many things away in its path. Very small streams, creeks, culverts, gullies and even dry streambeds or low-lying ground that appear harmless in dry weather can be ideal spots for flash floods.
If a flood is likely in your area, you should:
If you are driving when flood conditions are present:
Tornadoes are violently rotation columns of air that can descend in a funnel shape and usually occur during the early stages of rapidly developing thunderstorms. They can contain winds up to 300 miles per hour. Although most tornadoes that occur in the U.S. are along the front range of the Rocky Mountains, the western states and the plains, they can occur anywhere.
"Tornado Watch": A tornado watch is issued when the weather conditions are favorable for severe thunderstorms that may cause tornadoes.
"Tornado Warning": A tornado warning means that a tornado has been observed in the area.
During a "Tornado Watch":
During a "Tornado Warning":
During a Tornado:
After a Tornado: