The Natural Phenomenon that Blankets St. John
Our idyllic island of St. John is renowned for its pristine beaches, lush green landscapes and turquoise waters. However, there are times when an unexpected guest from across the Atlantic Ocean graces our tropical paradise.
Every summer, St. John and its neighboring islands brace themselves for the arrival of Saharan dust. This fine, powdery substance originates in the Sahara Desert some 3,000 miles away. It’s carried across the Atlantic Ocean by trade winds, turning the skies hazy and enveloping the island in a surreal golden glow.
While the idea of dust particles in our atmosphere may seem unappealing, the Saharan dust has a unique beauty that captivates residents and visitors alike. When the sun’s rays penetrate the dust, they create stunning sunsets and sunrises, painting the skies with a spectrum of warm hues. Photographers often relish these moments as the island’s natural beauty takes on an almost mystical character.
As captivating as this may be, it also brings challenges to the ecosystem as it settles on the ocean’s surface. The dust can adversely impact coral reefs by reducing water temperature. On the other hand, the cooling of the sea, the reflection of sunlight, and the increased change in wind direction makes it less likely for hurricanes to form and intensify. That is a welcome side effect.
As we begin to wrap up hurricane season in the Virgin Islands, we recognize that Saharan dust is simply another natural phenomenon to coexist with, as well as a testament to the wonders of our planet.
Photo Credit: NOAA
