graph TD A[Warm Ocean Waters
26.5°C/80°F] -->|Step 1| B[Tropical Disturbance] B -->|Step 2| C[Tropical Depression] C -->|Step 3| D[Tropical Storm] D -->|Step 4| E[Hurricane] style A fill:#ff9999 style B fill:#ffcc99 style C fill:#99ccff style D fill:#9999ff style E fill:#ff99cc