{"product_id":"stalled-pulsing-inertial-oscillation-model-for-a-tornadic-cyclone-9781289145293","title":"Stalled Pulsing Inertial Oscillation Model for a Tornadic Cyclone","description":"\u003cp\u003e • Author(s): Nasa Technical Reports Server (Ntrs) | Robert C. Costen\u003cbr\u003e • Publisher: Bibliogov\u003cbr\u003e • Publisher Imprint: Bibliogov\u003cbr\u003e • BISAC: General\u003c\/p\u003e\u003cp\u003eA supercell storm is a tall, rotating thunderstorm that can generate hail and tornadoes. Two models exist for the development of the storm's rotation or mesocyclone - the conventional splitting-storm model, and the more recent pulsing inertial oscillation (PIO) model, in which a nonlinear pulse represents the supercell. Although data support both models and both could operate in the same supercell, neither model has satisfactorily explained the tornadic cyclone. A tornadic cyclone is an elevated vorticity concentration of Rossby number approximately 1000 that develops within the contracting mesocyclone shortly before a major tornado appears at the surface. We now show that if the internal temperature excess due to latent energy release is limited to the realistic range of -12 K to +12 K, the PIO model can stall part way through the pulse in a state of contraction and spin-up. Should this happen, the stalled-PIO model can evolve into a tornadic cyclone with a central pressure deficit that exceeds 40 mb, which is greater than the largest measured value. This simulation uses data from a major tornadic supercell that occurred over Oklahoma City, Oklahoma, USA, on May 3, 1999. The stalled-PIO mechanism also provides a strategy for human intervention to retard or reverse the development of a tornadic cyclone and its pendant tornado.\u003c\/p\u003e","brand":"Bibliogov","offers":[{"title":"Paperback","offer_id":47596652986519,"sku":"9781289145293","price":1565.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3471\/1191\/files\/9781289145293.webp?v=1774994630","url":"https:\/\/atlanticbooks.com\/products\/stalled-pulsing-inertial-oscillation-model-for-a-tornadic-cyclone-9781289145293","provider":"Atlantic Books","version":"1.0","type":"link"}