AUTHOR=Rivera Juan A. , Infanti Johnna Maria , Kumar Rohini , Mutemi Joseph Nzau TITLE=Editorial: Challenges of Hydrological Drought Monitoring and Prediction JOURNAL=Frontiers in Water VOLUME=3 YEAR=2021 URL=https://www.frontiersin.org/journals/water/articles/10.3389/frwa.2021.750311 DOI=10.3389/frwa.2021.750311 ISSN=2624-9375