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  2. Tornadogenesis - Wikipedia

    en.wikipedia.org/wiki/Tornadogenesis

    Tornadogenesis. A sequence of images showing the birth of a supercellular tornado. First, the rain-free cloud base lowers as a rotating wall cloud. This lowering concentrates into a funnel cloud, which continues descending simultaneously as a circulation builds near the surface, kicking up dust and other debris.

  3. Geomagnetically induced current - Wikipedia

    en.wikipedia.org/wiki/Geomagnetically_induced...

    Geomagnetically induced currents (GIC) are electrical currents induced at the Earth's surface by rapid changes in the geomagnetic field caused by space weather events. GICs can affect the normal operation of long electrical conductor systems such as electric transmission grids and buried pipelines. The geomagnetic disturbances which induce GICs ...

  4. Tornado - Wikipedia

    en.wikipedia.org/wiki/Tornado

    A tornado is a violently rotating column of air that is in contact with both the surface of the Earth and a cumulonimbus cloud or, in rare cases, the base of a cumulus cloud. It is often referred to as a twister, whirlwind or cyclone, [ 1 ] although the word cyclone is used in meteorology to name a weather system with a low-pressure area in the ...

  5. Geomagnetic storm - Wikipedia

    en.wikipedia.org/wiki/Geomagnetic_storm

    A geomagnetic storm, also known as a magnetic storm, is a temporary disturbance of the Earth 's magnetosphere caused by a solar wind shock wave. The disturbance that drives the magnetic storm may be a solar coronal mass ejection (CME) or (much less severely) a co-rotating interaction region (CIR), a high-speed stream of solar wind originating ...

  6. Environmental radioactivity - Wikipedia

    en.wikipedia.org/wiki/Environmental_radioactivity

    Environmental radioactivity is part of the overall background radiation and is produced by radioactive materials in the human environment. While some radioisotopes, such as strontium-90 ( 90 Sr) and technetium-99 ( 99 Tc), are only found on Earth as a result of human activity, and some, like potassium-40 ( 40 K), are only present due to natural ...

  7. Schumann resonances - Wikipedia

    en.wikipedia.org/wiki/Schumann_resonances

    The global electromagnetic resonance phenomenon is named after physicist Winfried Otto Schumann who predicted it mathematically in 1952. Schumann resonances are the principal background in the part of the electromagnetic spectrum [2] from 3 Hz through 60 Hz [3] and appear as distinct peaks at extremely low frequencies around 7.83 Hz (fundamental), 14.3, 20.8, 27.3, and 33.8 Hz.

  8. Martian regolith - Wikipedia

    en.wikipedia.org/wiki/Martian_regolith

    Curiosity 's view of Martian soil and boulders after crossing the "Dingo Gap" sand dune (February 9, 2014; image transformed to Earth-like atmospheric view, original image). Martian regolith is the fine blanket of unconsolidated, loose, heterogeneous superficial deposits covering the surface of Mars .

  9. Drone footage shows storm chasers measuring ‘heartbeat' of a ...

    www.aol.com/weather/drone-footage-shows-storm...

    "The 3D understanding of the tornado and measuring those pressure falls above the ground, I think are so important for us to understand the evolution of tornadoes and understand tornado behavior ...

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