TRANSPARENCY & DATA PROVENANCE DIRECTORY
Data Sources & Telemetry Attribution
Kerala Flood Watch is an independent site. Below is every source it uses, how often it is fetched, and which data is live versus stored reference data.
Official Sources: India Meteorological Department (IMD), Central Water Commission (CWC), KSDMA
Updated: 03:48 am IST
Next Sync: 04:03 am
Full Provenance IndexData Provenance & Specs
India Meteorological Department (IMD)
Live feedMinistry of Earth Sciences, Govt of India
Data Category: District warnings (5 days), 3-hour nowcast, synoptic station observations
Update frequency: Every 15 min (bot) / 10 min (API)
What we use: Alert colour per district, nowcast warnings (rain intensity, thunderstorm, lightning), measured rain at IMD stations
Central Water Commission (CWC) Flood Forecasting System
Live feedMinistry of Jal Shakti, Govt of India
Data Category: Hourly river gauge levels and reservoir data (SWRD Kochi division)
Update frequency: Hourly readings
What we use: Water level at about 40 Kerala gauges with official warning/danger levels; Idukki & Idamalayar level, storage, inflow, outflow
Open-Meteo
Live feedOpen-Meteo.com (open-source weather API)
Data Category: Weather, marine and flood model data
Update frequency: Every 15 min (bot) / 10 min (API)
What we use: Modelled rainfall (past/next 24h), temperature, soil moisture, wave height, GloFAS river discharge forecast, air quality
NASA GIBS (GPM IMERG, SMAP, VIIRS)
Live feedNASA Earth Science Data Systems
Data Category: Satellite imagery
Update frequency: Per product (hours to days)
What we use: Satellite rain rate, soil moisture and true-colour images over Kerala
IMD INSAT-3DR imagery
Live feedISRO / IMD
Data Category: Geostationary satellite images
Update frequency: About every 30 min
What we use: Infrared and water vapour images
GDACS
Live feedEuropean Commission JRC & UN OCHA
Data Category: Global disaster alerts
Update frequency: Every 15 min (API cache)
What we use: Floods, cyclones and earthquakes within 3,000 km of Kerala
USGS Earthquake Hazards Program
Live feedU.S. Geological Survey
Data Category: Earthquake catalogue
Update frequency: Every 30 min (API cache)
What we use: Earthquakes of magnitude 2.5+ around Kerala in the last 30 days
OpenStreetMap
Live feedOpenStreetMap contributors
Data Category: Map tiles
Update frequency: Live
What we use: Base map
Kerala State Disaster Management Authority (KSDMA)
Live feedGovernment of Kerala
Data Category: Daily dam bulletin (KSEB & Irrigation PDFs), Kallakkadal and fishermen warnings
Update frequency: Dams daily ~11 AM; warnings as issued (checked every 15 min)
What we use: Level, storage %, official Blue/Orange/Red alert levels and gate remarks for 37 reservoirs; INCOIS high-wave and IMD fishermen notices
KSEB & Kerala Irrigation Department
Reference / linkedGovernment of Kerala
Data Category: Dam storage and releases
Update frequency: Daily, via the KSDMA bulletin
What we use: Their official readings reach this site through the KSDMA daily dam bulletin. 7 smaller dams are not in it and show reference data.
Kerala Police
Live feedGovernment of Kerala
Data Category: Press releases
Update frequency: Every 15 min
What we use: Latest releases; those mentioning rain, floods, traffic or rescue are highlighted on the roads and camps pages
OpenWeatherMap
Live feedOpenWeather Ltd
Data Category: Current weather per district
Update frequency: Every 15 min (bot) / 10 min (API)
What we use: Temperature, humidity, rain in the last hour, conditions
Copernicus Sentinel-1 & Sentinel-2 (Earth Search STAC)
Live feedEuropean Space Agency / AWS Open Data
Data Category: Satellite scene catalogue
Update frequency: Every 15 min
What we use: Latest optical and radar passes over Kerala, with preview images and cloud cover
District Collectorates, PWD, Health
Reference / linkedGovernment of Kerala
Data Category: Relief camps, road closures, hospitals, contacts
Update frequency: Not ingested
What we use: Stored reference lists. Confirm with the District Control Room (1077).
Google Flood Hub
Reference / linkedGoogle Research
Data Category: River flood forecasts
Update frequency: Only with an approved API key
What we use: Used when GOOGLE_FLOOD_HUB_API_KEY is configured; otherwise CWC + GloFAS are used.