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  2. Optical vortex - Wikipedia

    en.wikipedia.org/wiki/Optical_vortex

    An optical vortex (also known as a photonic quantum vortex, screw dislocation or phase singularity) is a zero of an optical field; a point of zero intensity. The term is also used to describe a beam of light that has such a zero in it. The study of these phenomena is known as singular optics.

  3. Mesovortex - Wikipedia

    en.wikipedia.org/wiki/Mesovortex

    A mesoscale convective vortex (MCV) is a low-pressure center within a mesoscale convective system (MCS) that pulls winds into a circling pattern, or vortex. With a core only 30 to 60 mi (48 to 97 km) wide and 1 to 3 mi (1.6 to 4.8 km) deep, an MCV is often overlooked in standard surface observations . [ 7 ]

  4. Mesoscale convective complex - Wikipedia

    en.wikipedia.org/wiki/Mesoscale_convective_complex

    A mesoscale convective complex (MCC) is a unique kind of mesoscale convective system which is defined by characteristics observed in infrared satellite imagery. They are long-lived, often form nocturnally, and commonly contain heavy rainfall , wind , hail , lightning , and possibly tornadoes .

  5. The polar vortex has split -- here’s what that means for you

    www.aol.com/article/weather/2018/02/16/the-polar...

    Parts of the United States are seeing temperatures ranging 20-25 degrees above average due to the vortex.

  6. Mesoscale convective system - Wikipedia

    en.wikipedia.org/wiki/Mesoscale_convective_system

    A mesoscale convective vortex--(MCV)--is a mid-level low-pressure center within an MCS that pulls winds into a circling pattern, or vortex. Once the parent MCS dies, this vortex can persist and lead to future convective development.

  7. Glossary of tornado terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_tornado_terms

    Shallow convection – Occurs when convective instability exists, but no convection occurs; Shear – Wind shear – Winds aloft, often measured in knots. Shear funnel – Brief, often weak funnel generated by shear in a thunderstorm. Shelf cloud – Generally associated with strong thunderstorms, found along the leading edge. Horizontal and ...

  8. Here's what you need to know about the polar vortex

    www.aol.com/heres-know-polar-vortex-165732130.html

    AccuWeather forecasters break down the science behind the polar vortex and how it can influence the weather for locations thousands of miles away. While the name for this phenomenon may sound ...

  9. What is the polar vortex? In-depth look at how it can affect ...

    www.aol.com/polar-vortex-depth-look-affect...

    The polar vortex is a gigantic, circular area of cold air high up in the atmosphere that typically spins over the North Pole (as its name suggests).