# Generated by scripts/sync_indices.py from Awesome Spectral Indices (MIT).
# DO NOT EDIT BY HAND. Edit overlays (_asi_*.yaml, _folia_*.yaml) and re-run.
# Spec: docs/spec/SPECTRAL_INDICES.md
slug: ci1swir
name: Cloud Index Form 1 with SWIR 1
short_name: CI1SWIR
formula: (N + 2.0 * S1) / (B + G + R)
bands:
- N
- S1
- B
- G
- R
domain: clouds
theme: atmosphere
concepts: []
rank: null
display:
  colormap: greys
  range:
  - 0.0
  - 1.0
references:
- url: https://doi.org/10.1016/j.isprsjprs.2018.07.006
date_of_addition: '2026-03-30'
contributor: https://github.com/davemlz
platforms:
- Sentinel-2
- Landsat-OLI
- Landsat-TM
- Landsat-ETM+
- MODIS
source:
  authority: awesome-spectral-indices
  commit_sha: 7f28d3fe68af1287f7449faf0685659e73197212
  upstream_id: CI1SWIR
match_tags:
- b
- cloud
- clouds
- form
- g
- index
- n
- r
- s1
- swir
- with
status: stable