Guillermo

Weakening Hurricane Guillermo Nears Hawaiian Islands

Hurricane Guillermo was a category one hurricane with wind speeds of about 75 kts (86 mph) when the GPM core observatory satellite flew over on Sunday August 2, 2015 at 1901 UTC. Rainfall was measured by GPM's Microwave Imager (GMI) and Dual-Frequency Precipitation Radar (DPR) instruments falling at a rate of over 61 mm (2.4 inches) per hour northeast of Guillermo's eye. GPM's DPR found rain falling at a rate of over 91 mm (3.6 inches) per hour in a feeder band spiraling into Guillermo from the southeast. GPM radar reflectivity data (Ku band) were used to show a 3-D cross section through the

Hurricane Guillermo Heads Toward Hawaii

On July 29, 2015 tropical depression Nine-E formed in the eastern Pacific Ocean well southwest of the southern tip of Baja California. The tropical depression was in an area of warm ocean water which helped the tropical cyclone blossom into tropical storm Guillermo early on July 30, 2015. Guillermo is a hurricane today and is headed over the open waters of the Pacific Ocean toward the west-northwest. In about a week Guillermo may affect the Hawaiian Islands as a tropical storm. On July 31, 2015 at 0556 UTC Guillermo was about 319 km (~590 Nautical Miles) east-southeast of Hilo, Hawaii when the