The rains were the heaviest experienced by the Gulf state in the 75 years that records have been kept. They brought much of the country to a standstill and caused significant damage.
The National Center of Meteorology in the United Arab Emirates said it tracked the recent storm but didn't target any clouds for seeding ahead of the heavy rains.
The National Oceanic and Atmospheric Administration said reefs are showing signs of stress brought on by ocean temperatures that have set daily records for more than a year.
The executor, Malcolm LaVergne, who was Simpson's longtime lawyer, said he also wants to "tone down the rhetoric" with the Goldman family after Simpson's death.
PFAS are a class of chemicals that can linger almost permanently in air, water and soil. Research suggests they are associated with a variety of health issues, including cancer.
The episode has imperiled the reputation of the Harvard-affiliated Dana-Farber Cancer Institute and raised questions about the work of one high-profile researcher.