שמואל ב, פרק כ״ב, פסוק י״ב

A wondrous system of storm clouds and heavy darkness serves as a physical expression of God's providence, protection, and judgment. God places screens and covers of darkness around Himself [מצודת ציון, ביאור שטיינזלץ]. The primary approach among commentators is that this imagery carries a dual meaning. On one hand, the darkness acts as a protective shelter for David, much like the cloud that separated and shielded the Israelites from the Egyptians [רש״י, רלב״ג]. At the exact same time, this very darkness is designed to confuse the enemies and obscure their path [מצודת דוד].

The source of this heavy darkness comes from thick clouds that hide the sky [ביאור שטיינזלץ] and block the sun's rays from reaching the earth [אברבנאל]. These clouds function in two distinct ways. They act like a sieve, gently dripping water down to the ground [רש״י]. More commonly, they are understood as a massive accumulation of water, tightly bound and compressed together within the sky [רש״י, מצודת ציון, רד״ק]. It is precisely this intense compression of the thick clouds that blocks the light and creates the deep darkness [רד״ק, אברבנאל].

This storm carries a dual power. Just as rain brings life and blessing, God's intervention is meant to shower goodness upon David. Yet, simultaneously, these same waters act as a destructive and powerful force of floods, lightning, and thunder, designed to strike and ruin the enemies [רלב״ג, אברבנאל].

On a philosophical and spiritual level, the darkness and clouds symbolize the limits of the human mind when facing the Divine light. Just as the sun's rays reflect through water-filled clouds to create a rainbow, people cannot absorb God's bright light directly. They are only capable of grasping a small, indirect reflection, such as a lesser prophecy or a heavenly voice, which breaks through the spiritual darkness and the boundaries of human intellect [אהבת יהונתן].