collaborators

7 papers

physics.ao-ph2026

Prithvi-Precip: Integrating Satellite Observations into an Atmospheric AI Foundation Model for Precipitation Forecasting

Simon Pfreundschuh, Christian D. Kummerow, Johannes Schmude +5

Accurate precipitation forecasting remains one of the most challenging problems in weather prediction. While recent AI weather prediction (AIWP) systems have achieved substantial i…

astro-ph.EP2026

Towards a Foundation Model for the Martian Atmosphere

Sujit Roy, Udayshankar Nair, Yuling Wu +16

The martian atmosphere hosts dynamical phenomena ranging from planet-encircling dust storms to mesoscale orographic clouds and nocturnal low-level jets. General circulation model s…

cs.LG2026

PDE foundation models are skillful AI weather emulators for the Martian atmosphere

Johannes Schmude, Sujit Roy, Liping Wang +10

We show that AI foundation models that are pretrained on numerical solutions to a diverse corpus of partial differential equations can be adapted and fine-tuned to obtain skillful…

physics.ao-ph2025

Finetuning AI Foundation Models to Develop Subgrid-Scale Parameterizations: A Case Study on Atmospheric Gravity Waves

Aman Gupta, Aditi Sheshadri, Sujit Roy +5

Global climate models parameterize a range of atmospheric-oceanic processes like gravity waves, clouds, moist convection, and turbulence that cannot be sufficiently resolved. These…

astro-ph.SR2025

Surya: Foundation Model for Heliophysics

Sujit Roy, Johannes Schmude, Rohit Lal +30

Heliophysics is central to understanding and forecasting space weather events and solar activity. Despite decades of high-resolution observations from the Solar Dynamics Observator…

astro-ph.SR2025

SuryaBench: Benchmark Dataset for Advancing Machine Learning in Heliophysics and Space Weather Prediction

Sujit Roy, Dinesha V. Hegde, Johannes Schmude +22

This paper introduces a high resolution, machine learning-ready heliophysics dataset derived from NASA's Solar Dynamics Observatory (SDO), specifically designed to advance machine…