Pair of mid-level troughs forecast to bring widespread precipitation to California

Two mid-level troughs with associated surface lows are forecast to bring widespread precipitation to California between February 14 and 19, 2025. The first system is forecast to begin affecting the state on February 14–15, followed by a second trough deepening offshore from February 16–17. Snowfall totals over the Sierra Nevada could exceed 60 cm (24 inches), while rainfall totals of 25–50 mm (1–2 inches) are forecast across much of the state during the initial 72-hour period. Source