What challenging conditions did the crews on the Bravo side encounter?

The crews on the Bravo side faced hot conditions and zero visibility, which is a common set of challenges that can significantly impact firefighting operations. High temperatures can lead to heat stress and exhaustion, reducing a firefighter's ability to perform effectively and making it crucial for crews to take regular breaks, stay hydrated, and monitor each other's health. Additionally, zero visibility can complicate navigation and situational awareness, making it difficult for firefighters to locate the seat of a fire, find escape routes, and coordinate with their team. Such conditions require exceptional training, communication, and teamwork to ensure safety and effectiveness during operations.

The other options describe challenging situations that firefighters could encounter; however, they were not the specific conditions faced by the crews in this scenario. Heavy rain and flooding could affect operations differently, and strong winds and falling debris pose risks but don't directly relate to visibility issues. Electrical hazards from downed power lines are always a consideration in fire responses but may not specifically address the conditions described for the Bravo side during this incident.