When the weather changes, historical diversity is introduced.

1940 In May, the battlefield situation in Europe during World War II was not optimistic. Hitler's army occupied Belgium and marched into France. About 400,000 British expeditionary forces and 6,543.8+0,000 French troops were surrounded by enemy forces. The French army crossed the English Channel from Dover, a port in southeast England, and was trapped in the northernmost part of France. The only way out is to cross the elusive waters of the English Channel. Britain began the evacuation operation code-named "Operation Generator". The mission is expected to last only two days, because the climate conditions will change at any time every year, with strong winds and even hurricanes. But unusually, this fine weather lasted for nine days. Calm sea water and vast sea fog covered and accelerated the crossing of more than 300,000 troops across the English Channel, enabling them to evacuate safely, leaving time for the British side to continue its fight against the Nazis.

Episode 2: Normandy Landing

1in June, 944, the allied forces made a plan to prevent the Nazis from invading the Normandy coast of France and moving inland to cross the English Channel. General dwight david eisenhower, commander-in-chief of the allied forces in Europe, led the army. He relies on meteorologists to provide him with the most important latest weather forecast. They have a chance to make this plan successful. Weather is the key to success and will change the face of Europe forever.

Episode 3: Titanic

191April 14, the Royal Cruise Titanic hit an iceberg on its maiden voyage to the United States and sank in the North Atlantic. About 2200 passengers and crew boarded the ship. The unsinkable ship slowly sank under ice water, killing at least 1500 people. Since 100, many theoretical problems surrounding its extinction are still being discussed, but one thing is certain, that is, the abnormal weather in the North Atlantic played a major role in its sinking.

Episode 4: Flooding the Core Area

1993 In the spring, heavy rain brought a new water level to the Mississippi River, which exceeded the flood control dike and washed away the dike, causing serious damage to the whole midwest of the United States. The flood of 1993 caused the biggest loss in American history. After the disaster. The United States has made efforts to prevent the recurrence of disasters, which has led to major policy changes. In 2008, the flood struck again, and these changes were used for testing. The improved flood control system withstood the severe test and greatly reduced the losses of towns along the Mississippi River.

Episode 5: Mississippi River Flood

In the past hundred years, there have been 36 major floods in the Mississippi River, with an average of three years 1. The Mississippi River also suffered severe flood losses caused by hurricane storm surge. Since tropical storm 1 recorded in the Gulf of Mexico on September 1559, about 165 hurricanes have hit or threatened the coastal areas of Louisiana.

Episode 6: Operation Eagle Claw

Operation talon (English) is a military action taken by the U.S. government on April 24, 1980 to rescue 52 hostages held by the Iranian government in the Iranian hostage crisis. The action ended in failure, which directly led to the establishment of the US Special Operations Command and the US Special Operations Aviation Corps 160.

Episode 7: Deadly Heat Wave

A heat wave means that the weather continues to be excessively hot and may also be accompanied by high humidity. This term is usually related to the region, so the normal temperature in a warm climate region may be a heat wave in a usually cold region. Some areas are more susceptible to heat waves, such as the Mediterranean climate, which is dry in summer and humid in winter. Heat waves can cause death due to high temperature, especially for the elderly.

Episode 8: Black Storm Event

Due to the drought and agricultural expansion that lasted for decades, the deep reclamation of the original topsoil in the North American plain destroyed the natural grassland that had previously consolidated soil and stored water, and there were no relevant measures to prevent soil erosion. Dust is sometimes rolled up in storm warnings, which greatly affects the ecology and agriculture of grasslands in the United States and Canada.

Episode 9: Hurricane Galveston

Hurricane that hit Galveston, Texas. This area was hit by a category 4 hurricane for the second time in a year. Although Galveston built a breakwater after Hurricane 1900, the hurricane still killed 275 people.

Episode 10: The Chicago Fire

Early houses in Chicago, Illinois, USA were all made of wood and easily caught fire. 1871010/On October 8th, a big fire burned for several days and nights, completely destroying 8 square kilometers of the city, causing heavy casualties. This is the famous Chicago fire in American history.

Episode 1 1: Green City

Suining was awarded the title of "Global Green City" at the Rio +20 Global Electric Green Travel Forum and Sustainable Human Settlements Development held in Rio de Janeiro, Brazil. Liu Defu, Vice Mayor, took the stage on behalf of Suining Municipal Party Committee and Municipal Government and accepted the award from Alhabo, Minister of Sustainable Consumption and Production of UNEP. Hobala won the title certificate of "Global Green City". Duyun city, the capital of Qiannan Buyi and Miao Autonomous Prefecture, also won this honor at this conference.

Episode 12: Hurricane Katrina

In mid-August, Hurricane Katrina formed near the Bahamas. It intensified into a hurricane on August 24 and landed in Florida with the intensity of a small hurricane. A few hours later, the storm entered the Gulf of Mexico and quickly intensified into a category 5 hurricane when it passed through the area on August 28. When Katrina landed at the mouth of the Mississippi River on August 29th, it was a huge category 3 hurricane. Storm surges have brought disastrous losses to Louisiana, Mississippi and Alabama. The flood dike used to separate Lake Pontchartrain from New Orleans, Louisiana, burst due to storm surge, and 80% of the city was flooded. Strong winds hit the inland areas and hindered the rescue work. It is estimated that Katrina caused at least $75 billion in economic losses, making it the most destructive hurricane in American history. This is also the deadliest hurricane in the United States since 1928 hurricane Okichoby, with at least 1836 people killed.

Episode 13: deadly smoke

Donora is a small town in Pennsylvania, USA, located 30 kilometers south of Pittsburgh, with more than1.4000 residents. The town of Donora is located inside a horseshoe-shaped river bend, and hills about 120 meters high on both sides sandwich the town in the valley. Donola Town is the concentration place of sulfuric acid plant, steel plant and zinc smelting plant. For many years, the chimneys of these factories have been spraying smoke into the air, so that the residents of Donora town have become accustomed to the strange smell in the air.

Episode 14: Super Outbreak

1974, an equivalent tornado swept through 13 states in the south and midwest of the United States, killing 3 15 people. This is the tornado disaster that caused the largest number of deaths in the United States on record. The largest tornado in the United States occurred in 1925, with a width of 350 kilometers.