QBO/solar influences on the tropical Madden‐Julian oscillation: A mechanism based on extratropical wave forcing in late fall and early winter

LL Hood, NE Trencham… - Journal of Geophysical …, 2023 - Wiley Online Library
Possible sources of the observed modulation of the tropical Madden‐Julian oscillation
(MJO) by the stratospheric quasi‐biennial oscillation (QBO) and the 11‐year solar cycle are …

Data-driven Discovery with Large Generative Models

BP Majumder, H Surana, D Agarwal, S Hazra… - arXiv preprint arXiv …, 2024 - arxiv.org
With the accumulation of data at an unprecedented rate, its potential to fuel scientific
discovery is growing exponentially. This position paper urges the Machine Learning (ML) …

Arctic sea ice loss, long‐term trends in extratropical wave forcing, and the observed strengthening of the QBO‐MJO connection

LL Hood, CA Hoopes - Journal of Geophysical Research …, 2023 - Wiley Online Library
A modulation has been identified of the tropical Madden‐Julian oscillation (MJO) by the
stratospheric quasi‐biennial oscillation (QBO) such that the MJO in boreal winter is∼ 40 …

A multivariate index for tropical intraseasonal oscillations based on the seasonally‐varying modal structures

S Wang, ZK Martin, AH Sobel… - Journal of …, 2022 - Wiley Online Library
The spatial structure and propagation characteristics of tropical intraseasonal oscillations
vary substantially by season. In this study, these seasonal variations are identified using a …

Potential Predictability of the Madden‐Julian Oscillation in a Superparameterized Model

S Weidman, Z Kuang - Geophysical Research Letters, 2023 - Wiley Online Library
Abstract The Madden‐Julian Oscillation (MJO) is a promising target for improving sub‐
seasonal weather forecasts. Current forecast models struggle to simulate the MJO due to …

Lagged response of MJO convection and precipitation to solar ultraviolet variations on intraseasonal time scales

CA Hoopes, LL Hood… - Geophysical Research …, 2024 - Wiley Online Library
Composite analyses of NOAA satellite‐based outgoing longwave radiation data and ERA5
reanalysis data for nearly six solar maximum periods support the existence of a response of …

Subseasonal forecasts of precipitation over maritime continent in boreal summer and the sources of predictability

Y Lyu, S Zhu, X Zhi, F Dong, C Zhu, L Ji… - Frontiers in Earth …, 2022 - frontiersin.org
In this study, subseasonal precipitation forecast skills over Maritime Continent in boreal
summer are investigated for the ECMWF and CMA models involved in the S2S Project …

A rotation procedure to improve seasonally varying empirical orthogonal function bases for MJO indices

S Weidman, N Kleiner, Z Kuang - Geophysical Research …, 2022 - Wiley Online Library
Various indices have been defined to characterize the phase and amplitude of the Madden‐
Julian oscillation (MJO). One widely used index is the outgoing longwave radiation (OLR) …

Signatures of the Madden–Julian oscillation in middle-atmosphere zonal mean temperature: triggering the interhemispheric coupling pattern

CG Hoffmann, LG Buth… - … Chemistry and Physics, 2023 - acp.copernicus.org
The influence of the Madden–Julian oscillation (MJO) on the middle atmosphere (MA) and
particularly on MA temperature is of interest for both the understanding of MJO-induced …

Signatures of the Madden-Julian Oscillation in Middle Atmosphere zonal mean Temperature: Triggering the Interhemispheric Coupling pattern

CG Hoffmann, LG Buth, C von Savigny - EGUsphere, 2022 - egusphere.copernicus.org
The Madden–Julian oscillation (MJO) is the dominant mode of intraseasonal variability in
the troposphere. The influence of the MJO on the middle atmosphere (MA) and particularly …