Results 31 to 40 of about 1,891,488 (186)
Observational case study of a persistent cold pool and gap flow in the Columbia River Basin
Journal of Applied Meteorology and Climatology, 2021 Persistent cold pools form as layers of cold stagnant air within topographical depressions mainly during wintertime when the near-surface air cools and/or the air aloft warms and daytime surface heating is insufficient to mix out the stable layer.
B. Adler +5 more
semanticscholar +1 more source
On the sizes and lifetimes of cold pools [PDF]
Quarterly Journal of the Royal Meteorological Society, 2016 Cold pools of air, which are formed by evaporating precipitation, play a critical role in the triggering of new precipitation. Despite their recognized importance, little effort has been devoted to building simple models of their dynamics. Here, analytical equations are derived for the radius, height, and buoyancy of a cylindrical cold pool as a ...
Romps, David M, Jeevanjee, Nadir
openaire +3 more sources
On the Sensitivity of Convective Cold Pools to Mesh Resolution
Journal of Advances in Modeling Earth Systems, 2022 Abstract It is well recognized that triggering of convective cells through cold pools (CPs) is key to the organization of convection. Yet, numerous studies have found that both the characterization and parameterization of CP effects in numerical models is cumbersome—in part due to the lack of numerical convergence
Romain Fiévet +2 more
openaire +3 more sources
Mechanical Forcing of Convection by Cold Pools: Collisions and Energy Scaling
Journal of Advances in Modeling Earth Systems, 2020 Forced mechanical lifting through cold pool gust fronts can trigger new convection and, as previous work highlights, is enhanced when cold pools collide. However, as shown by conceptual models, the organization of the convective cloud field emerging from
Bettina Meyer, Jan O. Haerter
doaj +1 more source
Remote Sensing, 2023 Extreme precipitation events have been occurring frequently worldwide, and their causative factors and convection initiation (CI) mechanisms have been attracting more and more attention in recent years.
Qi Sun +8 more
doaj +1 more source
Cold Pools as Conveyor Belts of Moisture [PDF]
Geophysical Research Letters, 2020 Abstract Observations and simulations have found convective cold pools to trigger and organize subsequent updrafts by modifying boundary layer temperature and moisture as well as by lifting air parcels at the outflow boundaries.
Fuglestvedt, Herman F., Haerter, Jan O.
openaire +5 more sources
Characterizing convective cold pools [PDF]
Journal of Advances in Modeling Earth Systems, 2017 AbstractCold pools produced by convective storms play an important role in Earth's climate system. However, a common framework does not exist for objectively identifying convective cold pools in observations and models. The present study investigates convective cold pools within a simulation of tropical continental convection that uses a cloud ...
Aryeh J. Drager, Susan C. van den Heever
openaire +1 more source
A Double‐Moment SBU‐YLIN Cloud Microphysics Scheme and Its Impact on a Squall Line Simulation
Journal of Advances in Modeling Earth Systems, 2021 A double‐moment version of the SBU‐YLIN cloud microphysical scheme in WRF is introduced. It predicts the mass and number mixing ratios of cloud droplet, rain, cloud ice, and precipitating ice.
Xi Zhao +6 more
doaj +1 more source
Earth and Space Science, 2022 In this study, multi‐source data, especially weather radar data, were used in the analysis of structural features and evolution of a squall line‐like rainband (SLLR) of a linear mesoscale convective system (MCS) in the eastern slope of the Taihang ...
Yanzhen Kang +4 more
doaj +1 more source
Atmosphere, 2021 A squall line that occurred in south China on 31 March 2014 was simulated with the Weather Research and Forecasting model. The microphysical processes had an important influence on the dynamic and thermodynamic structure of the squall line.
Jingyuan Li +3 more
doaj +1 more source