Storm surge can be extremely deadly during a tropical cyclone. Listen to authorities for safety measures during these intense storms! Subscribe for weekly videos: [ Ссылка ]

Mr. Weather’s World is a weekly video series bringing you interesting and reliable information about the Earth Sciences, Space Weather, and Climate Change. Tune in each week for exciting new content with host and meteorologist Curt Silverwood (Millersville University Alum).

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During a hurricane, there are many dangers to be leery of, but what most underestimate are the impacts of a storm surge and inland flooding. In 2005, Hurricane Katrina took the lives of at least 1,500 people due to direct and indirect impacts of the storm surge.

Storm surge is the abnormal rise in seawater level during a storm measured as the height of the water above the normal predicted astronomical tide.

Winds moving cyclonically around the storm, push water towards the shoreline. The wind contributes a force stronger than the low pressure associated with these intense storms. As the water is driven towards land, it accumulates and creates the storm surge. In some cases, ocean water can rise 20 feet or higher.

Height and strength of a storm surge depends on intensity, speed, size, angle of approach to the coast, central pressure, and the shape of coastal features.

The steeper the slope of the continental shelf, the lower the height of the storm surge. And vice versa. Storm surge can cause erosion of the shoreline, coastal highways, and damage or destroy building foundations.

Besides coastal flooding from storm surge, inland flooding due to intense rainfall can cause significant damage too.

Flash floods happen within minutes or hours and can cause boulders to roll, trees to be uprooted, and building to be destroyed. Urban/area floods cause streets to become rivers and basements or low-level rooms to fill with water. River flooding can last a week or longer and is caused by runoff from torrential rains reaching the waterways.

Flooding is devastating on its own, and can cause serious damage to our belongings and we can lose loved ones. Next week we will explore the destructive properties of wind and squalls as they can be just as disastrous as flooding. Thank you for watching and please subscribe to my YouTube channel for new videos every #WeatherWednesday!
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