NASA-NOAA’s Suomi NPP Satellite provided a night-time and infrared look at Hurricane Irma, revealing the power under the clouds. NASA’s GPM also provided a look at the rainfall being generated by the storm.
Long, spiraling cloud patterns in the sky, “von Kármán vortices,” arise when winds are diverted around a blunt, high-profile area, often an island rising from the ocean. The alternating direction of rotation in the air forms swirls in the clouds.
On June 17, 2017, lightning reportedly ignited a deadly wildfire that spread across the mountainous areas of Pedrógão Grande—a municipality in central Portugal located about 160 kilometers northeast of Lisbon.