Results 181 to 190 of about 1,316 (257)

Latitude‐Dependent Sensitive Areas for Targeted Observations of Mesoscale Eddies Associated With Sea Surface Height Anomaly Forecasts

open access: yesJournal of Advances in Modeling Earth Systems, Volume 18, Issue 8, August 2026.
Abstract By employing the conditional nonlinear optimal perturbation approach within a two‐layer quasigeostrophic (QG) model, we investigate the sensitive areas for targeted observations of mesoscale eddies relevant to sea surface height anomaly (SSHA) forecasting and reveal their pronounced latitude dependence.
Lin Jiang, Wansuo Duan, Hui Wang
wiley   +1 more source

Unifying the QBO, MJO Shallow‐to‐Deep Convection Transitions, and Mesoscale Convective Systems

open access: yesGeophysical Research Letters, Volume 53, Issue 14, 28 July 2026.
Abstract This study investigates Madden‐Julian Oscillation (MJO) convective structures to better understand how the Quasi‐biennial Oscillation (QBO) impacts MJO propagation. We find that during the QBO easterly (QBOE) phase, MJO events exhibit convective features that are highly favorable for propagation.
Kai Huang   +3 more
wiley   +1 more source

What Drives Precipitation Intensification During Zonal Atmospheric Rivers Landfalling in the Extratropical Andes?

open access: yesGeophysical Research Letters, Volume 53, Issue 14, 28 July 2026.
Abstract The extratropical Andes, a hotspot for landfalling atmospheric rivers (ARs), are prone to extreme precipitation and related hydrological hazards, including floods and landslides. An improved understanding of the drivers of precipitation intensification during AR landfall is critical for hazard preparedness. Focusing on 50 zonally elongated ARs
Dipjyoti Mudiar   +3 more
wiley   +1 more source

Diagnosing Submesoscale Divergence From Sea Surface Height

open access: yesGeophysical Research Letters, Volume 53, Issue 14, 28 July 2026.
Abstract The Surface Water and Ocean Topography satellite mission now delivers global sea surface height (SSH) observations at scales fine enough to resolve submesoscale eddies (<50 km). At these scales, the traditional geostrophic approximation, commonly used to infer surface currents from SSH, no longer holds.
Hector S. Torres
wiley   +1 more source

Invisible Ship Tracks Produce Mean‐State Cloud Microphysics Perturbation in Tropical Trade Cumulus

open access: yesGeophysical Research Letters, Volume 53, Issue 14, 28 July 2026.
Abstract Aerosol effects in cumulus‐topped boundary layers remain relatively unconstrained and drive uncertainty in climate modeling. We assess the impacts of shipping aerosol on trade cumulus, combining satellite retrievals and large eddy simulations (LES).
Chris J. Wright   +6 more
wiley   +1 more source

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