Welcome to STORM, the data ordering interface for NASA's Global Precipitation Measurement (GPM) mission and partner data from the Precipitation Processing System (PPS)! September 2025: You are being redirected to the new STORM user interface, which includes upgrades to security, bug fixes, and a more modern, easy-to-use design. Please contact the PPS Help Desk with any questions or concerns. Need to register? Register here. or Visit the new STORM welcome page for help. Already registered and want to access data?: Go to the Custom Data Order Form. or Browse the HTTPS archive. Want to explore PPS data products? Search here and browse the table of current products below: (click ▶ to read more information about each algorithm.) Enter search text here (e.g., 'imerg' or '2adpr'):

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