Issues

• Understand the graphcast operational data source

  google-deepmind/weathernext#224 · Filter by author Raje62 opened on Oct 5, 2026

• Community project: WeatherNext 2 at 0.25° in ~6.4 GiB of GPU memory

  google-deepmind/weathernext#223 · Filter by author Raymondlol opened on Sep 29, 2026

• GraphCast-Lite: Running 0.25° (37 levels) FP32 model on 8GB VRAM consumer GPUs

  google-deepmind/weathernext#218 · Filter by author yxdragon opened on Jul 14, 2026

• ERROR: pip's dependency

  google-deepmind/weathernext#215 · Filter by author vsansi opened on May 26, 2026
  1

• Graphcast Operational training protocol

  google-deepmind/weathernext#214 · Filter by author tobiasselz opened on Apr 27, 2026
  1

• Xarray version 2026.4.0 breaks GraphCast Demo Notebook: Passing a Dataset to the constructor is not supported

  google-deepmind/weathernext#213 · Filter by author sttzr opened on Apr 25, 2026
  1

• Xarray version 2026.4.0 breaks GraphCast Demo Notebook: "time" coord parsed as int32 instead timedelta64

  google-deepmind/weathernext#212 · Filter by author sttzr opened on Apr 23, 2026

• GenCast autoregressive rollout fails with JaxArrayWrapper / DynamicJaxprTracer __array_ufunc__ TypeError on both GPU and Colab TPU

  google-deepmind/weathernext#203 · Filter by author DarinaAndr opened on Mar 9, 2026
  3

• How to run graphcast inference on era5 data for 1 day prediction.

  google-deepmind/weathernext#202 · Filter by author rajeshwariacharya01-oss opened on Feb 5, 2026

• Removing receiver conditioning in graph network

  google-deepmind/weathernext#201 · Filter by author ttdelgadott opened on Dec 21, 2025
  1

• Observation: Deterministic structured reasoning inside ChatGPT (FRR Runtime experiment)

  google-deepmind/weathernext#198 · Filter by author yuer-dsl opened on Dec 7, 2025

• package incompatibility between graphcast, xarray, pandas and numpy

  google-deepmind/weathernext#196 · Filter by author imangohari1 opened on Dec 5, 2025

• Clarification on Global Mean RMSE Oscillation for Near-Surface Temperatures

  google-deepmind/weathernext#188 · Filter by author yashdiggikar opened on Oct 30, 2025
  2

• Question Regarding Model Sharding

  google-deepmind/weathernext#186 · Filter by author ttdelgadott opened on Oct 13, 2025
  1

• Unexpected PJRT_Plugin_Attributes_Args size: expected 32, got 24.

  google-deepmind/weathernext#185 · Filter by author forcadellvincent opened on Sep 29, 2025
  2

• Incorrect pressure level count in GraphCast_small checkpoint description

  google-deepmind/weathernext#181 · Filter by author fnrliu opened on Aug 22, 2025

• Issues Encountered During Inference Prediction

  google-deepmind/weathernext#180 · Filter by author zomosky opened on Aug 19, 2025

• Dimensions Mismatch

  google-deepmind/weathernext#179 · Filter by author Benjamin025 opened on Aug 14, 2025
  3

• Predictions coming out NAN

  google-deepmind/weathernext#177 · Filter by author sNIKersBar opened on Jul 29, 2025
  1

• Will there be support for wave forecasts, such as significant wave height (Hs) or 2D wave spectrum?

  google-deepmind/weathernext#176 · Filter by author sjoerdvanhoof opened on Jul 29, 2025
  3

• Scalar prefetch not implemented in the Triton backend

  google-deepmind/weathernext#175 · Filter by author CsnowyLstar opened on Jul 10, 2025
  1

• How to obtain maximum and minimum temperature forecasts?

  google-deepmind/weathernext#174 · Filter by author arthurire opened on Jul 5, 2025
  3

• GenCast 0p25deg Operational performs poorly on HRES/GFS input

  google-deepmind/weathernext#172 · Filter by author TianyiXiong1998 opened on Jul 2, 2025
  11

• Issues about using ECMWF Open Data for Graphcast/GenCast Operational Input

  google-deepmind/weathernext#170 · Filter by author qnlzgl opened on Jul 1, 2025
  2

• How do we run with most up to date data?

  google-deepmind/weathernext#167 · Filter by author impactcapital opened on Jun 28, 2025