WebWhat causes thunderstorms? Thunderstorms form when an air mass becomes unstable (when air in the lowest layers is very warm and humid, or air in the upper layers is unusually cold, or if both occur). Rising near-surface air in an unstable air mass expands and cools, making it warmer than its environment, which causes it to rise even farther. If ... WebScientists think that the initial process for creating charge regions in thunderstorms involves small hail particles called graupel that are roughly one quarter millimeter to a few …
Facts + Statistics: Tornadoes and thunderstorms III
WebThe two most basic elements that cause a thunderstorm to develop are: Moisture Rapidly rising warm air Because moisture and warmth are crucial to thunderstorms, it makes sense that they would occur more often in the … Web12 hours ago · A few storms may be severe. Low 49F. SW winds shifting to NNW at 10 to 15 mph. Chance of rain 90%.. Tonight. Thunderstorms this evening will give way to steady rain overnight. A few storms may be ... chess board pieces order
How do hurricanes form? - National Ocean Service
WebThey occur mostly during the spring and summer; the tornado season comes early in the south and later in the north because spring comes later in the year as one moves northward. They usually occur during the late afternoon and early evening. However, they have been known to occur in every state in the United States, on any day of the year, and ... WebHow Tornadoes Form. A tornado can form in a thunderstorm where the rotating air of an updraft (shown in purple) meets the rotating air of a downdraft (shown in aqua), which has turned upward. Tornadoes only form when a thunderstorm has a particular combination of winds. Air rising in a thunderstorm can begin to spin when it is affected by winds ... WebLightning is a discharge of electricity. A single stroke of lightning can heat the air around it to 30,000°C (54,000°F)! This extreme heating causes the air to expand explosively fast. The … good morning bright flowers