Japan Storms Kill 50 People, Soldiers Pull Survivors From Floodwaters

Southern Japan is experiencing severe flooding due to five days of torrential rains, with more rain expected. The storms have resulted in at least 55 deaths and numerous missing persons, causing widespread devastation. Emergency responders, including tens of thousands of troops, have been mobilized, and nearly 3 million people have been evacuated from Kyushu. The situation remains critical, with surging rivers posing ongoing threats. Japan's Chief Cabinet Secretary Yoshihide Suga warns that even small amounts of additional rain could be deadly, with conditions not expected to improve until Thursday.

What did Japan's chief cabinet secretary say about the forecast for the heavy rain?

Describe the conditions that have made the flooding particularly dangerous.