Southern California Weather Force has issued a Severe Weather Statement, effective Monday through Tuesday for the week of September 21st, 2025 … Discussion: The same upper-level low will bring precipitation to the eastern half of Southern California as early as Sunday, with a warm conveyor belt of moisture from Los Angeles, OC/SD/IE and surrounding mountain and desert zones … But, because the main center of the upper-level low will hit the Raiden Storm Diamond on Monday and Tuesday, expecting widespread thunderstorms, including severe, with flooding as well for the entire region. The Raiden Storm Diamond is an imaginary Diamond……