Link to the 3D Convective-Cloud Generation collection

Fix denormalisation: clip lower bound to 1 so background matches the documented value

Add scipy (needed by extract_cloud)

Add post-processing helper (extract_cloud): threshold, 26-connectivity, keep largest, blank fragments

Warn that MONAI core is not weight-compatible; make strict=True explicit

Add requirements.txt with verified-working versions

Update README.md

Add model card

Add 3D convective-cloud DDPM weights

initial commit