Thermal chains and entrainment in cumulus updrafts. Part I: Theoretical description
Recent studies have shown that cumulus updrafts often consist of a succession of discrete
rising thermals with spherical vortex-like circulations. In this paper, a theory is developed for …
rising thermals with spherical vortex-like circulations. In this paper, a theory is developed for …
[HTML][HTML] The influence of shear on deep convection initiation. Part I: Theory
This article introduces a novel hypothesis for the role of vertical wind shear (“shear”) in deep
convection initiation (DCI). In this hypothesis, initial moist updrafts that exceed a width and …
convection initiation (DCI). In this hypothesis, initial moist updrafts that exceed a width and …
[HTML][HTML] The influences of effective inflow layer streamwise vorticity and storm-relative flow on supercell updraft properties
JM Peters, CJ Nowotarski… - Journal of the …, 2020 - journals.ametsoc.org
The Influences of Effective Inflow Layer Streamwise Vorticity and Storm-Relative Flow on
Supercell Updraft Properties in: Journal of the Atmospheric Sciences Volume 77 Issue 9 (2020) …
Supercell Updraft Properties in: Journal of the Atmospheric Sciences Volume 77 Issue 9 (2020) …
Disentangling the influences of storm-relative flow and horizontal streamwise vorticity on low-level mesocyclones in supercells
Sufficient low-level storm-relative flow is a necessary ingredient for sustained supercell
thunderstorms and is connected to supercell updraft width. Assuming a supercell exists, the …
thunderstorms and is connected to supercell updraft width. Assuming a supercell exists, the …
A formula for the maximum vertical velocity in supercell updrafts
JM Peters, H Morrison, CJ Nowotarski… - Journal of the …, 2020 - journals.ametsoc.org
In supercell environments, previous authors have shown strong connections between the
vertical wind shear magnitude, updraft width, and entrainment. Based on these results, it is …
vertical wind shear magnitude, updraft width, and entrainment. Based on these results, it is …
How does vertical wind shear influence entrainment in squall lines?
JP Mulholland, JM Peters… - Journal of the …, 2021 - journals.ametsoc.org
The influence of vertical wind shear on updraft entrainment in squall lines is not well
understood. To address this knowledge gap, a suite of high-resolution idealized numerical …
understood. To address this knowledge gap, a suite of high-resolution idealized numerical …
[HTML][HTML] Influences of environmental relative humidity and horizontal scale of subcloud ascent on deep convective initiation
H Morrison, JM Peters, KK Chandrakar… - Journal of the …, 2022 - journals.ametsoc.org
This study examines two factors impacting initiation of moist deep convection: free-
tropospheric environmental relative humidity (ϕ E) and horizontal scale of subcloud ascent …
tropospheric environmental relative humidity (ϕ E) and horizontal scale of subcloud ascent …
[HTML][HTML] Generalized lapse rate formulas for use in entraining CAPE calculations
JM Peters, JP Mulholland… - Journal of the …, 2022 - journals.ametsoc.org
Common assumptions in temperature lapse rate formulas for lifted air parcels include
neglecting mixing, hydrostatic balance, the removal of all condensate once it forms …
neglecting mixing, hydrostatic balance, the removal of all condensate once it forms …
Deep convection initiation, growth, and environments in the complex terrain of Central Argentina during CACTI
This study characterizes the wide range of deep convective cloud life cycles and their
relationships with ambient environments observed during the Cloud, Aerosol, and Complex …
relationships with ambient environments observed during the Cloud, Aerosol, and Complex …
Environmental controls on simulated deep moist convection initiation occurring during RELAMPAGO-CACTI
This study synthesizes the results of 13 high-resolution simulations of deep convective
updrafts forming over idealized terrain using environments observed during the …
updrafts forming over idealized terrain using environments observed during the …