The delay at the rendezvous had resulted in clouds and drifting smoke from fires started by a major firebombing raid by 224 B-29s on nearby Yahata the previous day covering 70% of the area over Kokura, obscuring the aiming point.
The delay at the rendezvous had resulted in clouds. The delay at the rendezvous had resulted in drifting smoke from fires-29s on nearby Yahata the previous day, obscuring the aiming point. This previous day was covering 70% of the area over Kokura. These fires were started by a major firebombing raid by 224 B.