Ditwah: Ditwah Storm Data and Tools for Storm Monitoring and Early Warning November 2025, Sri Lanka

The Ditwah storm began impacting Sri Lanka on 25 November 2025. Ditwah provides a collection of tidy, well-structured datasets to support storm data management, monitoring, and early warning applications in Sri Lanka. The publicly available data were converted to tidy data format for easy analysis. The package processes weather data, flood data and situation report data (families affected, etc.). The package also includes functions for analyzing river level progression and load dashboard visualizations to enhance situational awareness. This is also developed for educational purposes to support learning in data wrangling, visualization, and disaster analytics.

Version:	1.0.0
Depends:	R (≥ 4.1.0)
Imports:	dplyr, tibble
Published:	2025-12-05
DOI:	10.32614/CRAN.package.Ditwah
Author:	Thiyanga S. Talagala [aut, cre]
Maintainer:	Thiyanga S. Talagala <ttalagala at sjp.ac.lk>
License:	GPL (≥ 3)
NeedsCompilation:	no
Materials:	README
CRAN checks:	Ditwah results

Documentation:

Reference manual:

Ditwah.html , Ditwah.pdf

Downloads:

Package source:	Ditwah_1.0.0.tar.gz
Windows binaries:	r-devel: Ditwah_1.0.0.zip, r-release: Ditwah_1.0.0.zip, r-oldrel: Ditwah_1.0.0.zip
macOS binaries:	r-release (arm64): Ditwah_1.0.0.tgz, r-oldrel (arm64): Ditwah_1.0.0.tgz, r-release (x86_64): Ditwah_1.0.0.tgz, r-oldrel (x86_64): Ditwah_1.0.0.tgz

Linking:

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