Thunderstorms are usually associated with low pressure.
Winds blow into a thunderstorm because of differences in air pressure. Air from surrounding areas with higher pressure rushes into the lower pressure area of the thunderstorm, resulting in wind movement towards the storm.
Conditions in the atmosphere change a lot over a small distance in the vicinity of thunderstorms. Where the rain is falling, the pressure goes up by a few millibars (about 0.1 inches of mercury). This is because as the rain falls, some of it evaporates, which makes the air cooler and heavier. Another process is going on, however, that makes it complicated. As the air goes up in the thunderstorm's updraft, it creates an area of low pressure under the updraft that acts to pull air in from around the thunderstorm. This low pressure region is also typically a few millibars lower than the environment of the storm. At the top of the storm the pressure is high compared to places far away from the storm and air is blown out.
The air is very fast. Especially in a severe thunderstorm. The wind can go as fast as 100mph.
Air pressure drops near a tornado due to the strong updrafts within the storm. The low pressure in the center of the tornado causes air from the surroundings to be drawn in, leading to a drop in air pressure in the immediate vicinity of the tornado.
Negative pleural pressure typically ranges from -3 to -8 cm H2O during normal breathing, with larger negative pressures generated during forced inspiration. The negative pressure in the pleural space helps maintain lung inflation by creating a pressure gradient for air to flow into the lungs during inspiration.
Winds blow into a thunderstorm because of differences in air pressure. Air from surrounding areas with higher pressure rushes into the lower pressure area of the thunderstorm, resulting in wind movement towards the storm.
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Air pressure within a thunderstorm can vary, but it typically decreases as the storm intensifies due to rising warm air. In extreme cases, the pressure can drop significantly within the core of a thunderstorm, creating a low-pressure system that contributes to the storm's intensity.
The average air pressure in a thunderstorm can vary, but it is typically lower than the surrounding air due to the updrafts and downdrafts associated with the storm. This pressure drop can contribute to the intensity of the storm and the formation of severe weather.
a hurricane
up to about 100.
When a Hurricane, Tornado or Thunderstorm, approaches, the barometric pressure falls but I would not ascribe the adjective "drastic" to this.
They are called tornadoes. Tornadoes are violent rotating columns of air that extend from a thunderstorm to the ground.
yes
lightning
Conditions in the atmosphere change a lot over a small distance in the vicinity of thunderstorms. Where the rain is falling, the pressure goes up by a few millibars (about 0.1 inches of mercury). This is because as the rain falls, some of it evaporates, which makes the air cooler and heavier. Another process is going on, however, that makes it complicated. As the air goes up in the thunderstorm's updraft, it creates an area of low pressure under the updraft that acts to pull air in from around the thunderstorm. This low pressure region is also typically a few millibars lower than the environment of the storm. At the top of the storm the pressure is high compared to places far away from the storm and air is blown out.
During a tornado, the air pressure can drop significantly. It is not uncommon to see pressure drops of 10-20% below normal levels, which can correspond to pressures around 28 to 30 inches of mercury (950-1010 millibars).