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  2. Atmospheric convection - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_convection

    Generally, thunderstorms require three conditions to form: moisture, an unstable airmass, and a lifting force (heat). All thunderstorms, regardless of type, go through three stages: the developing stage, the mature stage, and the dissipation stage. [11] [better source needed] The average thunderstorm has a 24 km (15 mi) diameter. Depending on ...

  3. Thunderstorm - Wikipedia

    en.wikipedia.org/wiki/Thunderstorm

    A back-building thunderstorm, commonly referred to as a training thunderstorm, is a thunderstorm in which new development takes place on the upwind side (usually the west or southwest side in the Northern Hemisphere), such that the storm seems to remain stationary or propagate in a backward direction. Though the storm often appears stationary ...

  4. Storm - Wikipedia

    en.wikipedia.org/wiki/Storm

    A storm seen at the Baltic Sea near the island of Öland, Sweden.. A storm is any disturbed state of the natural environment or the atmosphere of an astronomical body. [citation needed] It may be marked by significant disruptions to normal conditions such as strong wind, tornadoes, hail, thunder and lightning (a thunderstorm), heavy precipitation (snowstorm, rainstorm), heavy freezing rain ...

  5. Cumulonimbus cloud - Wikipedia

    en.wikipedia.org/wiki/Cumulonimbus_cloud

    Within and in the vicinity of thunderstorms there is significant turbulence and clear-air turbulence (particularly downwind), respectively. Wind shear within and under a cumulonimbus is often intense with downbursts being responsible for many accidents in earlier decades before training and technological detection and nowcasting measures were ...

  6. Lightning activity level - Wikipedia

    en.wikipedia.org/wiki/Lightning_Activity_Level

    No thunderstorms: 2 Isolated thunderstorms. Lightning is very infrequent, 1–5 cloud-to-ground strikes in a five-minute period. 3 Widely scattered thunderstorms. Lightning is infrequent, 6–10 cloud-to-ground strikes in a five-minute period. 4 Scattered thunderstorms. Lightning is frequent, 11–15 cloud-to-ground strikes in a 5-minute period. 5

  7. Gusty thunderstorms to precede quick cooldown in north-central US

    www.aol.com/weather/severe-thunderstorms-precede...

    Sporadic showers and thunderstorms will occur along and ahead of a strong cool front, which will abruptly end the summerlike warmth that has been in place for many days over the North Central states.

  8. Dry thunderstorm - Wikipedia

    en.wikipedia.org/wiki/Dry_thunderstorm

    A dry thunderstorm is a thunderstorm that produces thunder and lightning, but where all or most of its precipitation evaporates before reaching the ground. [1] Dry lightning refers to lightning strikes occurring in this situation. Both are so common in the American West that they are sometimes used interchangeably. [2]

  9. Dangerous flooding spreading from Texas to Indiana - AOL

    www.aol.com/dangerous-flooding-severe...

    Despite providing drought relief for parts of Texas, flooding concerns are still quite high over parts of the south-central United States with downpours to continue to target some rain-weary areas ...