A cascaded detection method for railway foreign object intrusion in extreme weather based on improved LR-ASPP and fused Mamba-YOLO - Nature

The main driver of this rapid thermal drop this week is a massive upper-level blocking ridge building over the North Atlantic and Scandinavia. This high-pressure area is forcing a direct atmospheric corridor for meridional flow from the north, allowing dense, polar-origin air to spill deep across Eastern Europe. As the cold front pushes south, daytime high temperatures across impacted regions will plunge by 10 to 15 °C compared to recent seasonal averages. As the polar air mass settles over the region, clear nocturnal skies and lighter winds will support first morning frost across low-lying valleys and agricultural basins from the Baltic countries down to the central Balkans, reaching Romania and Bulgaria. Across the higher elevations of the Carpathians and possibly the Northern Balkans, falling freezing levels will trigger the first notable high-altitude snowfalls of the autumn season. While the cold intrusion will last only through the mid-week days, it will be significant for the second half of September. The meteogram charts for Niš, Serbia (upper) and Istanbul, Turkey (bottom) both show a sharp temperature drop on Tuesday and Wednesday.

One Call of Duty: Modern Warfare 4 campaign player has already finished YOLO mode, an ultra hard setting with realistic damage, where you go right back to the start when you die. Unlocked once you’ve completed the campaign on any difficulty, YOLO mode is the real test of your COD skills. Warning! Spoilers for the Modern Warfare 4 campaign follow:The player, Lost-Equivalent2352 on Reddit, said they managed to beat YOLO mode by taking advantage of their AI allies. “My technique was staying behind a wall for several minutes so that my dumb allies shoot at the enemies,” they said. They would also use flashbangs and grenades to mop up the stragglers, limiting the chance the enemies could one-shot them. It took them around 20 hours to finish the successful run. According to Lost-Equivalent2352, one of the toughest elements of the run was the mission “Retreat.” The nighttime mission charts the fall of Hajin, covering the tactical withdrawal of South Korean troops. Because it takes place during a full-scale invasion, bullets are flying everywhere and civilians are running for cover.

This week's nor'easter, which could be future Josephine, will meander off the East Coast, bringing multiple days of impacts from the Carolinas to Delaware.

These are the maps to help you track ongoing Pacific and Atlantic tropical systems.

A former FEMA official and the American Red Cross share the errands, apps and safety steps people most often forget before snow and ice arrive.