Platform for Real-time Impact and Situation Monitoring

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The Platform for Real-time Impact and Situation Monitoring (PRISM) is an open source climate risk monitoring platform that integrates geospatial data on climate-related hazards along with socioeconomic vulnerability in an interactive map interface. PRISM is a program managed by the World Food Programme (WFP).^[1]

The software is recognized as a Digital Public Good (DPG) by the Digital Public Goods Alliance.^[2]

PRISM was first launched in Indonesia under the name VAMPIRE (Vulnerability Analysis Monitoring Platform for Impact of Regional Events) during the 2015-2016 El Niño storm cycle, which devastated agriculture production after unexpected prolonged drought.^[3] This project was the result of a collaboration between WFP and Pulse Lab Jakarta (PLJ), a joint initiative between the United Nations and the Government of Indonesia. The tool used data science to combine datasets on Indonesia's national socio-economic survey, WFP's household food security surveys, rainfall anomalies, and the Indonesian Vegetation Health Index into a visualized interface to automate analysis.^[4] Sri Lanka's government requested that a platform like VAMPIRE be developed for its Disaster Management Ministry to deal with drought and floods.^[5]

In 2020, PRISM went through a significant technology overhaul that updated its warning systems for crisis management and disaster risk reduction.^[6] As of 2025, PRISM is actively used by the governments of Cambodia,^[7] Indonesia, Sri Lanka, and Mongolia to measure drought and abnormal weather impact on vulnerable populations.

PRISM has been used by a number of different countries and governments:

• Indonesia – An early version of PRISM was launched in Indonesia in 2016 using the name VAMPIRE.^[8] It is used today by the government to reduce disaster risk from climate-related events.
• Sri Lanka – In 2017, Sri Lanka used the VAMPIRE codebase to build the current version of PRISM.^[9] Sri Lanka's Department of Meteorology enabled real-time monitoring of climate information through PRISM.^[10] In 2022, WFP approved $7 million for Sri Lanka food security initiatives, including the ability to adapt to changing weather patterns.
• Cambodia – Since 2017, Cambodia's national community-based poverty identification system, IDPoor, has been integrated with PRISM to link socioeconomic data with geospatial data to map climate-related vulnerabilities. PRISM was used in 2020 to leverage satellite data to localize assistance to flood-affected areas^[11]
• Mongolia – In 2020, Mongolia's National Agency for Meteorology and Environmental Monitoring (NAMEM) integrated PRISM with the Mongolia Data Cube^[12] as part of the SIBELIUs project, a UK-funded initiative to improve weather-related insights for Mongolian farmers^[13] to help prevent and reduce dzud.

There are also a number of deployments that are in development across Africa and Latin America.^[1] In March 2025, Mozambique launched a deployment of PRISM through its National Meteorological Institute (INAM) to better measure abnormal weather in real-time.^[14][15] Deployments of PRISM in Afghanistan were planned, but paused due to the political crisis in 2021. Further deployments are in discussion in Myanmar,^[16] Zimbabwe,^[17] and several other countries in Asia and Africa.

PRISM uses data from Earth Observation tools, including satellites and ground sensors.^[1] It layers weather, climate, and agricultural data such as vegetation health, rainfall, and temperature, on top of socioeconomic data for each country it is deployed in to provide near real-time data visualization on especially vulnerable populations.^[18] PRISM is able to show current conditions as well as anomalies for expected weather for a given time of year. As an open source software project, PRISM has shared configuration files that any deployment can access and customize.^[19]