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Sections Alan Vaz Lopez - Characterizing Tropical Droughts Using GPM Data Amy Molina Estrada - Improving Water Resource Management Practices using GPM Ana Maria Pinilla - Hydrological Modeling with GPM IMERG Chetan Gurung - Investigating Diurnal Cycle of Precipitation in the Amazon Rainforest Carlo Montes - Using IMERG in Monitoring Rainfall and the Midsummer Drought in Honduras Clara Avila Dea Permata - Evaluation of Rainfall During the Borneo Vortex Event using IMERG and DPR Daniel Aduragbemi Aderotoye - Investigation of the Performance of IMERG over Nigeria Edson Baptista - Impact of

Above image: Attendees of the 2023 PMM Science Team Meeting.

Updated: Nov. 8, 2023 George Huffman, GPM Project Scientist The GPM Core Observatory (GPM-CO) satellite performed two orbit boost maneuvers on Nov. 7 and 8 , 2023 that raised its altitude from 400km to 435km. The goal of these boosts is to restore the GPM-CO's lifespan closer to the original estimates of ending in the early 2030’s. Recent lifespan estimates have been getting shorter due to unexpectedly high solar activity, which causes additional atmospheric drag on the spacecraft. The primary goal of restoring GPM-CO’s lifespan is to allow the GPM mission to overlap with the satellites

Tropical Cyclone Freddy first made landfall along the east coast of Madagascar just north of the town of Mananjary on Feb. 21, 2023, as a Category 3 cyclone with average winds reported at ~81 mph (130 km/h) and gusts up to ~112 mph (180 km/h). After crossing over Madagascar Freddy continued westward over the Mozambique Channel before making landfall again along the east coast of Mozambique just south of Vilankulos as a moderate tropical storm with sustained winds estimated at 50 mph. Despite being weaker at landfall, Freddy caused widespread flooding across parts of Mozambique due to the storm stalling out near the coast after making landfall. Incredibly, Freddy drifted back out over the Mozambique Channel, nearly making landfall along the southwest coast of Madagascar. It then changed direction, re-intensified, weakened, re-intensified one last time, and made landfall once again on March 11 near Quelimane, Mozambique, as a Category 1 cyclone with sustained winds reported at 90 mph.

Above image: In-person attendees of the 2022 PMM Science Team Meeting. Below image: A selection of virtual attendees.

The GPM Applications Team in collaboration with the University of Coimbra created the GPM Mentorship Program to support new users from established and underrepresented communities and provide tailored hands-on learning experiences in using GPM data for applications . The goal of the program is to provide an overview of using state-of-the-art satellite-based precipitation estimates, and to provide users their first experience of applying GPM data to support real-world problems. The 2022 initiative is the first edition of the mentorship program.

Affiliation: NASA Jet Propulsion Laboratory, California Institute of Technology, USA Project Mentee: María Paula Hobouchian

Affiliation: University of Maryland Baltimore County and NASA Goddard Space Flight Center, Greenbelt, MD, USA Role: GPM Mentorship Session Facilitator

Affiliation: Texas A&M University, College Station, USA Project Mentees: Armand Kablan , Ayuna Santika

Affiliation: Science Systems and Applications, Inc. and NASA Goddard Space Flight Center, Greenbelt, MD, USA Project Mentees: Simon Ageet