Storm Information

A storm is a sudden disturbance in the environment, often in an astronomical body. Storms strongly imply severe weather. Here’s some information about storms and how to prepare for them. The following is a list of important terms for stormy weather. Weigh the importance of each term before determining whether it’s appropriate to be outside. You can find the definition of storm in a dictionary here. This article discusses these terms: Thunder and lightning, Gust front, Downdraught, Tornado, and many other topics.

Thunder and lightning

When a thunderstorm erupts, the sound of thunder is a common occurrence. But when lightning strikes, what is the sound exactly? There are a few different types of thunder. The first one is called forked lightning, and it appears as jagged lines of light that shoot from the clouds into the air, or even into the ground. The other two types of thunder are called sheet lightning and distant lightning. While the former is more commonly heard in thunderstorms, distant lightning is typically heard during hot summer days.

When a thunderstorm approaches, it is important to be indoors or in a hard-top car. If you are in a car and the windows are rolled down, you should seek shelter immediately. You should also keep your windows closed, and make sure to leave the car parked outside if you must. Also, if you’re outside, try not to drive in open areas during a storm. Avoid picnic areas, baseball dugouts, and open fields. Avoid tall trees. If possible, get low and crouch down.

Gust front

The surface winds associated with gust fronts are especially strong, and these winds occur when downdrafts from several strong thunderstorms coalesce to form an unbroken line of high winds. These long-lived wind-storms are called derechos. They tend to develop along forward-curving lines of convection. The speed of these storms depends on the density difference between the air and the surrounding atmosphere and the depth of the gravitational current.

The outflow of a thunderstorm forms a boundary between the warm air and cooler air. This boundary is called a gust front or forward flank downdraft. These outflows tend to concentrate on the front of the storm. The warm environmental air follows behind the front and rides up over the outflow. During storms, the prevailing winds and temperature can cause significant damage to property. To avoid these dangers, it is important to understand the physics of how these storms work.

A gust front is an isolated, violent, and dangerous wind system that has formed out of a thunderstorm. This feature is caused by a sudden shift in air temperature. The wind speed can reach more than 70 mph, and the temperature can drop up to 10 degrees Celsius. The winds can be very strong, so if you are trying to fly during a gust front, be aware of how dangerous it can be. A gust front in Arizona can create a massive dust storm that is often severe.


A downdraft can be generated by a storm in two main ways. The first is precipitation-driven, which originates within the storm. The falling precipitation increases drag and inhibits the compressional heating of the descending air. The second is wind-driven, which is more powerful and spreads out to the surface. In this way, both types of downdraughts can produce violent wind gusts.


You should prepare for tornadoes during storms by knowing where to seek shelter. The most dangerous part of a thunderstorm is the tornado. Tornadoes form at the bottom of a wall cloud and then spiral down to the ground. They’re usually accompanied by heavy rain, hail, and lightning. You should take extra precautions if you live in a tornado prone area. Read on to find out how to prepare for tornadoes during storms and what you should do if you’re in one.

What causes tornadoes? A tornado is formed under certain conditions, including unstable air near the ground and cooler air aloft. There’s a strong updraft, which is enhanced by wind shear and other complex interactions with winds. Tornadoes during storms are often fatal. There are numerous warning systems in place to prevent them from occurring, so it’s crucial to be prepared. Tornadoes during storms are a threat in all states.


You have probably heard the term “hailstone” before. But what is a hailstone and what causes it? Hailstones are crystallized ice formed when raindrops collide with supercooled water drops at high altitudes. When these drops freeze, they create multiple layers of ice, which give hail its distinctive layered appearance. During a storm, these crystals may make multiple trips up and down the cloud. As a result, they are often swollen and heavy.

The size and shape of hailstones vary from small to large, and their growth rate is determined by the speed of a storm’s updraft. Hailstones grow because they stick to one another, but their diameters are still determined by the strength of the updraft. Unlike snow, hailstones are formed by freezing rainwater droplets. The resulting droplets have a density of less than 5% of solid ice. The density of large hailstones is 0.91 g cm-3, but smaller hail may have significant amounts of water. Their size and air content make them soft, and a single hailstone can be very large.

Hailstones range in size from a marble to a bowling ball. They usually fall at speeds of about 25 to 40 mph. In large storms, however, hailstones can reach up to 110 mph. One of the largest hailstones ever found in the United States weighed more than two pounds and was 18.5″ long. If the weather is right, hailstones can cause widespread damage to crops and property.


Squalls, also called subasko in the U.S., are short, intense storms characterized by heavy rains accompanied by blustery winds. Squalls are often observed on the open sea by local fishermen, who usually rush to shore at the first sign of an impending squall. Squalls can be classified into two types, simple isolated thunderstorms and complex daytime/nocturnal mesoscale convective systems. Squall lines are produced by in-filling several thunderstorms in the leading space of a moving cold front.

Squalls have a distinctive appearance. They resemble a narrow, convective updraft with a cloud that emanates from its apex. Their chaotic nature is reflected by the strong updrafts in the leading edge of the storm, which is characterized by high radar reflectivity. Squall lines also display heavy convective precipitation, particularly near the leading edge.


A derechos storm occurs when warm-weather winds reach moderate levels and there is a large amount of vertical wind shear. They can occur at any time of year, but are most common during summer months. As such, they can be dangerous for travel and cause flooding. This storm type is also sometimes known as a “flash flood” because of its high winds. To determine whether your local weather forecast will include a derecho, check out the Storm Prediction Center.

Derechos storms are often characterized by bow-shaped or spearhead-shaped squall lines. Their radar signature resembles a hurricane, with an eye-shaped free of precipitation and surrounding bands of strong convection. They are associated with mesoscale convective systems and are not necessarily tropical in nature. One derecho occurred in the Midwestern U.S. on 21 July 2003 and developed near a weak stationary/warm front. It eventually became a wavy squall line that moved across western Ohio and southern Indiana.


Tropical cyclones develop along the outer edge of a storm’s track and are non-frontal synoptic-scale cyclones with organized deep convection and closed surface wind circulation around a well-defined center. They are maintained by heat energy derived from the ocean and the low-temperature upper stratosphere, and extratropical cyclones derive their energy from horizontal temperature contrasts in the atmosphere and baroclinic effects. Tropical disturbances bring hurricane-like conditions to land within 48 hours of their formation.

Tropical cyclones may have a maximum wind speed of 39 to 73 mph. In some cases, they may be preceded by dry lines or squall lines. Their number typically increases in the summer months, peaking in mid-September, and decreasing towards their minimum in early November. They have a band of cumulonimbus clouds surrounding the center. The band of clouds in front of a cyclone is known as a weather front.

The subtropical jet stream guides the track of a cyclone, which can have a life span of two to six days. Fine particles are pushed through the inner portions of the cyclone, while coarser particles collect on the side walls of the cylinder. Eventually, they are sucked into the apex of the storm. Whether or not they are cyclonic, their shapes are a fascinating study in storms.


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