Your dream appears to reflect a combination of stress, responsibility, and a yearning for connection, particularly in the context of your new internship and your family dynamics.

1. Internship and Responsibility: The setting of your dorm room and the office indicates your current life situation, where you are navigating your role as an intern. The conversation with your family about their trip reveals a sense of conflict between personal desires (wanting to be with your family) and professional obligations (your internship). This could represent your feelings of being torn between different aspects of your life.
2. The Storm: The dark clouds transforming into a thunderstorm symbolize looming anxiety or challenges. The storm could represent your fears about your internship, such as feeling overwhelmed or unprepared. The fact that it grows larger and closer might indicate that these anxieties are becoming more pronounced in your mind, especially as you adjust to this new environment.
3. Inability to Warn Others: Your struggle to communicate about the storm is particularly telling. This may reflect feelings of isolation or frustration, either because you feel that others do not understand your concerns or because you are unable to express your worries effectively. It could also suggest a fear of being dismissed or not taken seriously in your new role.
4. Mentor's Guidance: The mentor guiding you back to the office can be interpreted as a representation of support or guidance in your life. This could indicate that although you feel overwhelmed, there are people around you who want to help and support you through this transition.
5. Overall Themes: The tension between your work and personal life, feelings of anxiety about your new responsibilities, and the desire for connection with your family all come together in this dream. The storm serves as a metaphor for your internal struggles, highlighting the need to find a balance between your professional aspirations and personal relationships.

Advice: Consider taking some time to reflect on your responsibilities and how they align with your personal desires. It might be helpful to communicate openly with your family about your internship and how it affects your ability to join them. Additionally, don't hesitate to seek support from your mentors or colleagues at work, as they can provide valuable guidance and reassurance during this transitional period. Remember, it's normal to feel a mix of excitement and anxiety when starting a new chapter in your life.