The roaring thunder and brilliant lightning that illuminate the sky present a powerful display of nature and creation, expressing God's absolute control over the world. These vast phenomena stretch across the entire expanse of the heavens, awakening a deep sense of awe and wonder at the power of the Creator.
The exact nature of this heavenly display is understood in several ways. One major approach focuses on the life-giving aspect of the storm, explaining that God soaks the entire earth with rain pouring down from the clouds [אבן עזרא, רמב״ן, רלב״ג, תקות אנוש]. Others view the process through the lens of sound, suggesting that the thunder is sent in a perfectly straight and even path across the sky. Instead of taking a crooked route, the sound travels uniformly and is heard equally wherever the storm clouds gather [מצודת דוד, מצודת ציון, רלב״ג, מלבי״ם, תקות אנוש]. Alternatively, the focus shifts to the human experience, noting how people stand at a distance to watch and observe this grand spectacle [רש״י, מלבי״ם]. Other perspectives emphasize the divine authority behind the storm, noting that God's absolute rule becomes immediately visible under the heavens [רמב״ן, אלשיך], or simply that His presence rests and settles upon the world through these natural forces [ביאור שטיינזלץ].
As the storm unfolds, its light reaches the very edges of the earth [מצודת ציון, ביאור שטיינזלץ]. The primary approach among commentators is that this refers to the flash of lightning that accompanies the thunder, though a singular opinion suggests it describes the light of the sun [תקות אנוש]. The lightning and thunder emerge together, spreading outward until they touch the ends of the world [מצודת דוד, מלבי״ם].
The appearance of this lightning contains a dual wonder that defies the familiar laws of nature. First, the fiery flash of lightning is born directly out of storm clouds, which are entirely composed of water. Second, while the natural tendency of fire is to rise upward, the fire of the lightning strikes downward toward the earth [רלב״ג].
Beyond their physical properties, these dramatic events carry a profound spiritual message. The crashing thunder and striking lightning are perceived as the voice of God shaking the earth and judging the nations. His breath and speech manifest as a spiritual force that fills the globe from end to end. Unlike earthly powers which are inherently limited, this boundless display commands reverence for the immense power of the Creator [רמב״ן, אלשיך].