Introduction:
The poem "The Laburnum" by Meera Uberoi describes the impact of a thundery grey sky on the surroundings. The poet uses vivid imagery and personification to depict the gloomy atmosphere created by the sky. The lines in the poem convey the sense of darkness, heaviness, and foreboding that the thundery grey sky brings.

Personification of the sky:
The poet personifies the thundery grey sky, attributing it with the ability to cast its gloom. By personifying the sky, the poet gives it a human-like quality, as if it has agency to affect its surroundings.

Imagery of gloom:
The phrase "casts its gloom" suggests that the sky has the power to spread darkness and sadness. It implies that the sky's presence creates a heavy, somber atmosphere that affects everything beneath it.

Thundery grey sky:
The description of the sky as "thundery grey" adds to the sense of foreboding. It suggests an impending storm, with dark clouds gathering and the rumble of thunder in the air. Grey is often associated with sadness and melancholy, intensifying the gloomy mood.

Impact on the surroundings:
The gloom cast by the thundery grey sky affects the surroundings, creating a somber ambiance. It suggests that the sky's presence darkens the landscape, casting shadows and dimming the colors. The atmosphere becomes heavy and oppressive, as if a weight has descended upon everything.

Emotional response:
The poem evokes a sense of melancholy and sadness through its portrayal of the gloomy sky. It implies that the thundery grey sky can influence the emotions of those who witness it. The heavy atmosphere and looming storm reflect a somber state of mind, possibly mirroring the poet's own feelings.

Conclusion:
In the poem "The Laburnum," the thundery grey sky is personified as having the power to cast its gloom. This gloom creates a sense of darkness, heaviness, and foreboding, affecting the surroundings and evoking a melancholic emotional response. The lines in the poem effectively portray the impact of the sky on the atmosphere, enhancing the overall theme of sadness and gloom.