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Thunder All — Daily Lightning / Thunder Tensors (2021–2022)
This dataset contains daily lightning/thunder observation tensors stored as
NumPy .npy files, one file per UTC day.
Data layout
2021/day_YYYYMMDD.npy
2022/day_YYYYMMDD.npy
| Year | # files | Total size |
|---|---|---|
| 2021 | 213 (1 corrupted file excluded) | ~51.2 GB |
| 2022 | 214 | ~51.7 GB |
Tensor specification
- Shape:
(144, 499, 840) - Dtype:
float32 - Axes (inferred):
- axis 0 — time step within day, 10-minute interval (
24h × 6 = 144) - axis 1 — latitude grid (499 cells)
- axis 2 — longitude grid (840 cells)
- axis 0 — time step within day, 10-minute interval (
- Per-file size: 241,436,288 bytes (≈ 230 MB)
Loading
import numpy as np
arr = np.load("2021/day_20210301.npy") # shape (144, 499, 840), float32
Known issues
2021/day_20210422.npyin the original source was truncated/corrupted (only ~5.6% of expected bytes, header advertised(144,499,840)but data could not be reshaped). This file is excluded from this release.
License
Released under CC-BY-4.0. Cite the original data provider if known.
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