Heavy rainfall across central Vietnam on October 10, driven by a strengthening cold air surge, delivered 50-100 mm totals from Thanh Hoa to Ha Tinh with isolated amounts exceeding 200 mm, while central and southern regions saw 40-150 mm bands. In the United States, post-tropical cyclone Isaias tracked northward from its Gulf Coast landfall, producing widespread showers and localized flooding from Florida through the Southeast and into the Northeast per National Weather Service summaries. Scattered lighter precipitation occurred in parts of the Rockies, Midwest, and West Coast, with official gauges recording 0.05-0.83 inches at select stations. Traders are now awaiting final 24-hour precipitation reports and verification from NOAA and national hydro-meteorological centers to confirm market resolution thresholds.