What Is Storm Surge and Why Is It So Dangerous?

About this printable What Is a Storm Surge science reading passage, NGSS-aligned (Grades 3-8)

This NGSS-aligned reading passage introduces middle school students to the concept of storm surge, a major hazard caused by hurricanes. The passage explains how storm surge forms when hurricane winds push ocean water onto land, especially during high tide. It covers how geography and storm strength influence flood severity, and why coastal areas are at high risk. With clear vocabulary and real-world examples like Hurricane Katrina, students learn how preparation, forecasting, and protective structures like levees and sea walls can save lives. This text supports science comprehension and aligns with NGSS Earth and Space Science standards.

Written by Workybooks TeamPublished by Workybooks

Sample passage and quiz from What Is a Storm Surge

When a hurricane approaches land, one of the biggest threats is something called a storm surge. A storm surge is a fast rise in sea level caused by the strong winds of a storm pushing ocean water toward the coast. This wall of water can flood towns, destroy buildings, and wash away roads. It is often the deadliest part of a hurricane.

Storm surge happens when powerful hurricane winds push ocean water onshore. The water level rises much higher than the normal tides. If the storm hits during high tide, the flooding can be even worse. In some cases, water levels can rise over 20 feet above normal sea level.

Several factors affect how bad a storm surge can be. These include the strength of the hurricane, the shape of the coastline, and how fast the storm is moving. Flat, low-lying areas are at the greatest risk. Places like the Gulf Coast in the United States are especially vulnerable because of their geography.

Storm surge is dangerous because it happens quickly and with great force. It can knock down buildings, carry cars away, and trap people who did not evacuate in time. That’s why scientists and emergency officials use storm forecasts and evacuation zones to warn people early.

Understanding storm surge helps communities prepare and reduce the damage. Engineers build sea walls and levees in some areas to protect against flooding. Knowing the risk of storm surge is a key part of staying safe during hurricanes.

Fun Fact: During Hurricane Katrina in 2005, the storm surge reached 27.8 feet in Mississippi—the highest ever recorded in the U.S.!