In this nighttime image acquired at 3:50 a.m. local time (08:50 Universal Time) on October 22, 2018, Hurricane Willa appears off of Mexico's Pacific Coast. At the time, Willa was a category 4 storm with sustained peak winds of 250 kilometers (155 miles) per hour. The storm was located about 475 kilometers southwest of Guadalajara and 375 kilometers south of the Islas Marías; it was moving slowly to the north. The VIIRS “day-night band” detects light in a range of wavelengths from green to near-infrared and uses filtering techniques to observe signals such as city lights, auroras, wildfires, and reflected moonlight. In this case, the clouds were lit by the nearly full Moon.
Category: Space
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