During a snowstorm, which alerts require employees to make every effort to come to work?

The correct choice emphasizes that during a snowstorm, specific alerts are established to convey important operational statuses and safety procedures. In the context of the given options, the combination of alerts denoted by the chosen answer includes those that signify a level of urgency and necessitate that employees make every effort to report to work, despite the adverse conditions.

These alerts are crucial for ensuring that necessary staffing levels are maintained during challenging weather, enabling the system to operate as effectively as possible. Each alert category denotes varying degrees of operational status, with some specifically indicating situations where employee presence is essential for service continuity or safety management.

By focusing on the selected alerts, it's clear that they are designated to prompt action from the workforce, reinforcing the importance of employee commitment during critical times such as a snowstorm. This requires understanding the implications of each alert type, with some alerts clearly signifying that attendance is mandatory due to operational needs or safety protocols in place.

Understanding these alerts and their implications is vital for employees, as it guides their decision-making during inclement weather, ensuring that they are prepared to respond accordingly to maintain both service and safety standards.