Low Latency Icechunk ERA5 Now Available on the Earthmover Data Marketplace
We released Icechunk-ERA5, a performance-optimized, daily updating ERA5 data cube available now in the Earthmover data marketplace.
Ryan Abernathey
CEO & Co-founder
Ryan Abernathey
CEO & Co-founder
22 posts
Filtered Subscriptions: Fine-Grained Cloud-Native Data Sharing
Earthmover's filtered subscriptions allow data providers to create secure, read-only views into multidimensional data cubes, enabling more granular cloud-native data exchange between provider and consumer.
Ryan Abernathey
CEO & Co-founder
Sebastian Galkin
Staff Engineer
Lindsey Nield
Software Engineer
Announcing Icechunk 2: Better Consistency, Performance, and Reliability for Tensor Storage
When we released Icechunk 1.0 last July, we declared it production-ready and committed to format stability. Since then, adoption has exceeded our expectations. Teams across weather forecasting, climate science, neuroscience, and AI/ML have pushed Icechunk into scenarios we didn't fully anticipate--r
Ryan Abernathey
CEO & Co-founder
Sebastian Galkin
Staff Engineer
Announcing IceChunkCoin: The World's First Multi-Dimensional, Chunk-Native Blockchain Asset
Today we’re thrilled to announce IceChunkCoin, the world’s first hyper-dimensional, chunk-native blockchain asset.
Ryan Abernathey
CEO & Co-founder
Announcing the Earthmover Data Marketplace
Earthmover launches the world's first marketplace for AI-ready weather and climate data, offering instant access to analysis-ready cloud-optimized data cubes from leading providers in the open-source Icechunk format.
Ryan Abernathey
CEO & Co-founder
I/O-Maxing Tensors in the Cloud
Zarr Python with Icechunk or Obstore now fully saturates the network between EC2 and S3, achieving the physically maximum possible throughput for reading and writing tensor data in the cloud. Benchmarks compare Zarr, Tensorstore, TileDB, and Parquet stacks across a range of chunk sizes and instance types.
Ryan Abernathey
CEO & Co-founder
Building the Future of Scientific Data at the Zarr Summit
Earthmover co-organizes the Zarr Summit in Rome, bringing together developers and adopters to advance the open-source cloud-native array format as adoption accelerates across major organizations like ESA, NASA, and NVIDIA.
Ryan Abernathey
CEO & Co-founder
Earthmover’s $7.2M Seed Round led by Lowercarbon Capital
Earthmover announces its $7.2M seed round led by Lowercarbon Capital, with participation from Costanoa Ventures and Preston-Werner Ventures, to build the cloud-native data platform for weather, climate, and scientific data.
Ryan Abernathey
CEO & Co-founder
The 3 Key Optimizations That Cut the Cost of AI Weather Forecasts by 90%
GPUs running AI weather forecasts spend over 95% of their time idle, waiting for data. Three optimizations — pre-processing inputs into Icechunk, moving regridding onto the GPU, and writing outputs in parallel — cut inference costs by nearly 90%.
Ryan Abernathey
CEO & Co-founder
Earthmover Sponsors Ocean Hack Week: Empowering the Open Science Community
Earthmover is sponsoring Ocean Hack Week 2025, providing financial support for participant travel and an Arraylake organization to empower the open ocean science community.
Ryan Abernathey
CEO & Co-founder
Icechunk 1.0: Production-Grade Cloud-Native Array Storage Is Here
Icechunk 1.0 is now stable and production-ready, bringing transactional safety, efficient versioning, high-performance Rust-based I/O, and virtual references for HDF5 and NetCDF to cloud-native array storage. The release includes manifest splitting, distributed writes, conflict resolution, and a 30 TB ERA5 sample dataset.
Ryan Abernathey
CEO & Co-founder
Announcing Flux: The API Layer for Geospatial Data Delivery
Earthmover introduces Flux, a managed API layer that serves geospatial data from Arraylake via standard protocols like WMS, EDR, and OPeNDAP, eliminating the need for teams to build and maintain custom data delivery infrastructure.
Ryan Abernathey
CEO & Co-founder
Fundamentals: Tensors vs. Tables
Multidimensional array data about the physical world is fundamentally incompatible with the tabular data model. Benchmarks show that array-native tools like Xarray and Zarr outperform DuckDB and Parquet by up to 10x for common weather data queries.
Ryan Abernathey
CEO & Co-founder
Solving NASA's Cloud Data Dilemma: How Icechunk Revolutionizes Earth Data Access
Earthmover and Development Seed partnered with NASA to pilot Icechunk, an open-source tensor storage engine that enables 100x faster cloud-native data access for archival Earth science datasets without costly data migration.
Ryan Abernathey
CEO & Co-founder
How Our Customers Use NOAA Data
Earthmover customers share how NOAA climate and weather data powers their businesses, from wildfire risk modeling and energy trading to carbon market ratings and precipitation enhancement.
Ryan Abernathey
CEO & Co-founder
Announcing Icechunk!
Earthmover announces Icechunk, an open-source transactional storage engine for Zarr that brings ACID transactions, time travel, data versioning, and high-performance Rust-based I/O to multidimensional array data in cloud object storage.
Ryan Abernathey
CEO & Co-founder
Case Study: ALIVE at The University of Wisconsin-Madison
The ALIVE research team at UW-Madison uses Arraylake to manage GOES-R satellite data for near real-time carbon and water flux estimation, benefiting from version control, ACID transactions, and seamless remote collaboration.
Ryan Abernathey
CEO & Co-founder
A Serverless Approach to Building Planetary-Scale EO Datacubes in Zarr
A practical guide to building planetary-scale Earth observation datacubes in Zarr using serverless computing, comparing frameworks like Coiled, Modal, and Lithops for massively parallel satellite image processing.
Ryan Abernathey
CEO & Co-founder
Case Study: Sylvera
Carbon market ratings company Sylvera adopted Arraylake to centralize millions of scattered geotiff files into cloud-optimized arrays, enabling incremental data ingestion and version-tracked auditing across their geospatial pipelines.
Ryan Abernathey
CEO & Co-founder
Earthmover and Pangeo at AGU 2023
Earthmover will be at AGU 2023 in booth 1007 alongside Coiled and Pangeo, demoing Arraylake and presenting three talks on cloud-native scientific data workflows.
Ryan Abernathey
CEO & Co-founder
Arraylake Now Available in Private Beta
Earthmover launches Arraylake in private beta, a cloud-native data lake platform purpose-built for multidimensional arrays with a built-in data catalog, ACID transactions, version control, and virtual file support.
Ryan Abernathey
CEO & Co-founder
Why we started Earthmover
Earthmover was founded to build a modern cloud data stack for scientific data, inspired by the success of the Pangeo open-source community and the urgent need for better tooling around multidimensional array datasets in climate tech and beyond.
Ryan Abernathey
CEO & Co-founder
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Multiscale overviews in Arraylake: GeoZarr-Powered Pyramids in Flux - and How to Generate Them in Icechunk Jun 16, 2026 -
The University of Southern Mississippi makes 90 million ocean profiles conversational: AQUAVIEW's approach to the World Ocean Database Jun 15, 2026 -
Virtual chunks that just work — but securely Jun 10, 2026 -
Icechunk Adopted by the National Weather Service: Earthmover Joins Booz Allen on NWS CIRRUS Jun 4, 2026
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