How does dry thunderstorms form?
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Dry thunderstorms form in low humidity conditions without significant precipitation at the ground. They are often associated with severe weather phenomena such as dry lightning and dry microbursts. Dry thunderstorms occur when convection initiates during hot summer days, causing precipitation to evaporate below the high base cloud due to dry and warm air. The evaporative cooling contributes to negative buoyancy, fueling strong downdrafts and resulting in strong surface winds. These dry thunderstorms are the main cause of wildfires and can also lead to power outages and damage to household appliances. The occurrence of dry thunderstorms is influenced by upper-air variables such as high instability and a deficit of moisture at low levels of the atmosphere . The development of dry thunderstorms is also influenced by causes such as non-horizontality of temperature and humidity surfaces and the gradient of wind velocity .
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| Papers (5) | Insight |
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| The provided paper does not discuss the formation of dry thunderstorms. | |
| The paper does not provide information on how dry thunderstorms form. The paper discusses the causes and dynamics of thunderstorms, but does not specifically address the formation of dry thunderstorms. | |
| Dry thunderstorms form in low humidity conditions, where there is no significant precipitation at the ground. The paper explains that during hot summer days, convection initiates and the falling precipitation evaporates due to the dry and warm air, resulting in dry thunderstorms. | |
| Dry thunderstorms form due to the presence of mid-tropospheric potential instability (PI) and moisture, along with a drier lower troposphere. The paper discusses a forecast procedure called the dry thunderstorm procedure (DTP) that incorporates various atmospheric variables to predict the potential for dry thunderstorms. | |
32 Citations | Dry thunderstorms form in the interior western United States when moisture from the Gulfs of Mexico and California combines with high instability and a deficit of moisture at low levels of the atmosphere, resulting in high-based thunderstorms that produce cloud-to-ground lightning strikes but little or no rainfall at the surface. |
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