ML4WX

Labs

NASA

49 papers in the archive · tier-1 watchlist.

Search and filter

Training Physics‐Based Machine‐Learning Parameterizations With Gradient‐Free Ensemble Kalman Methods

Ignacio Lopez‐Gomez, Costa Christopoulos, Haakon Ludvig Langeland Ervik et al. · Journal of Advances in Modeling Earth Systems ·

Gradient-free Kalman inversion trains hybrid subgrid turbulence and convection parameterizations from large-eddy simulation data, with uncertainty estimates from unscented Kalman inversion.

Hybrid physics-ML & parameterizationNASACalifornia Institute of Technology (Caltech)

Predicting Tropical Cyclone Rapid Intensification From Satellite Microwave Data and Neural Networks

Francisco Javier Tapiador, Andrés Navarro, Raúl Martín Martín et al. · IEEE Transactions on Geoscience and Remote Sensing ·

A neural network using a microwave rain index and 24 h wind changes identifies tropical cyclone rapid intensification with near-perfect skill and reveals environmental drivers up to 1050 km away.

Extremes & hazardsNASACalifornia Institute of Technology (Caltech)

Random Forest Model to Assess Predictor Importance and Nowcast Severe Storms using High-Resolution Radar–GOES Satellite–Lightning Observations

John R. Mecikalski, Thea N. Sandmæl, Elisa M. Murillo et al. · Monthly Weather Review ·

Random forests combining GOES-16 satellite, lightning and radar fields improve severe storm warning prediction over radar alone, identifying cloud-top divergence as most informative.

NowcastingNASAColorado State University (incl. CIRA)University of Oklahoma (AI2ES)

Exploring Deep Neural Networks to Retrieve Rain and Snow in High Latitudes Using Multisensor and Reanalysis Data

Guoqiang Tang, Di Long, Ali Behrangi et al. · Water Resources Research ·

A deep neural network retrieves high-latitude rain and snow from GMI and MODIS data, largely outperforming GPROF on snowfall and reducing rain underestimation.

Observations & remote sensingNASACalifornia Institute of Technology (Caltech)Tsinghua University (NowcastNet)University of California, Los Angeles (UCLA)University of Oklahoma (AI2ES)

★ Earth System Modeling 2.0: A Blueprint for Models That Learn From Observations and Targeted High-Resolution Simulations

Tapio Schneider, Shiwei Lan, Andrew Stuart et al. · Geophysical Research Letters 2017 ·

A blueprint proposes Earth system models that learn parameterizations from observations and high-resolution simulations via data assimilation and machine learning, illustrated on a toy system.

Hybrid physics-ML & parameterizationCalifornia Institute of Technology (Caltech)NASA