<p>Droughts are complex and a major threat globally as they can cause substantial damage to society, especially in regions that depend on rain-fed agriculture. It is understood that acting early based on alerts provided by early warning systems (EWS) can potentially provide substantial mitigation, reducing the financial and human cost of such hazards. Several satellite-based indicators such as the Vegetation Condition Index (VCI) or the Vegetation Health Index (VHI) are included in these EWS to monit…