To understand why, it helps to know how summer thunderstorms happen in the first place. 要理解其中奥秘,就要首先了解夏季雷雨是如何产生的。 See, warm air can hold more moisture than cold air, so in the summer, water in the enviro
Why do thunderstorms happen at night? Thunderstorms that form at night occurin the absence of heating at the ground by the sun. Consequently, the storms that form at night are usually "elevated," meaning that they form aloft above the cooler air near the ground, rather than near the ground...
Fog occurs when air saturated with water vapour is cooled suddenly, and there are several different ways this can happen.
prevent the reoccurring of desertification is bringing about economic prospects in the city centres of drylands and places outside drylands. Changing the general economic and institutional structures that generate new chances for people to support themselves would alleviate the current pressures accompanying...
Normally, pilots will deal with thunderstorms by simply altering their route to avoid them, but sometimes, when multiple storms are lined up in a row and a course deviation would require too much fuel, a pilot may pick the weakest storm area to fly through. In those instances, the passenger...
How does lightning happen? Lightning forms when the top of a cloud acquires a positive charge while the bottom acquires a negative charge. This creates an electric field and the potential for a lightning strike. Scientists still aren't entirely sure why clouds become charged in the first place...
26 people died each year from lightning strikes in the United States. Most fatalities happen when people venture outside or into the water before the danger of being struck has passed. A good rule for deciding whether it's safe to venture outside is to count the number of seconds between ...
Do you want a hint at what might be at the root of this old sailors' adage? Think of all the different types of storms you've seen -- one variety of storm can have a different effect on the atmosphere than another. There are brief thunderstorms that rattle through like a couple of ...
It's spawned from severe thunderstorms with enough energy and the proper conditions to start a "cyclone" of spinning air. Tornadoes can happen anywhere and at any time, but they tend to happen most frequently in the late evening or during the night, when thunderstorms sweeping across the land...
High intensity tornadoes form from supercell thunderstorms, a storm that has a “deep rotating mesocyclone.” Supercell thunderstorms are usually when you’ll hear a tornado warning. A regular thunderstorm will hit before a supercell and for this to occur, a specific set of 'ingredients' need ...