Recent observations of convection within the jovian ambiance have demonstrated that convection is strongly concentrated at specific places on planet. As an example, observations of lightning present that the cyclonic features (e.g,. Meanwhile, the distribution of ammonia and water vapor show a big enrichment near the equator, which can also be suggestive of robust upwelling and convective exercise. Marrying these different observations is challenging because of a scarcity of information concerning the traits of the deep jovian atmosphere, and a ensuing inability to observe the true deep supply of the assorted convective phenomena. To understand the nature of these convective events and the role of the construction of the deep environment in driving convective occasions, we run simulations of cloud formation and convection using the Explicit Planetary hybrid-Isentropic Coordinate General Circulation Model (EPIC GCM). We vary the dynamics of the ambiance by parameterizing the deep wind shear and finding out the resulting impact on the power, frequency and distribution of convective storms. We find that convection in our model is strongly tied to the native dynamics and the deep wind shear.

Jupiter’s vitality stability poses many questions in regards to the processes that drive the dynamics of the environment and cloud formation on the planet. One in every of the key points is in understanding this diversity and decoding why particular areas are conducive of convection (or extra precisely, present signatures of convective exercise), whereas other don’t. best shears for summer gardening instance, belts usually show extra lightning compared to zones (Brown et al., 2018), and Folded Filamentary Regions (FFRs) and different cyclonic structures present convective options and lightning more than anti-cyclones (Vasavada & Showman, 2005). To a first-order explanation, cyclonic features on Jupiter typically are more unstable resulting from an growth of the isentrope near their roots (Dowling & Gierasch, 1989), thereby explaining why belts, which have cyclonic shear, generally have more convective exercise. However, distributions of volatiles and aerosol morphologies present that we should count on upwelling within the zones to provide excessive altitude clouds, and downwelling within the belts (see de Pater et al., 2023, and references therein), which is at odds with the dynamical instability paradigm.

Recent observations using microwave and radio devices show weak correlation between the brightness temperature at depth and the cloud prime zonal wind profiles (de Pater et al., 2019a

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Pub: 18 Aug 2025 01:03 UTC

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