![]() ![]() The analysis expands the rainfall coverage of the TRMM satellite. Areas in green show that much of the rain is relatively shallow with tops ranging from about 5 to 8 km, but there are isolated areas of higher tops associated with deeper penetrating individual convective cells embedded within the rainbands.Īt NASA's Goddard Space Flight Center in Greenbelt, Maryland a TRMM-based, near-real time Multi-satellite Precipitation data (TMPA) analysis was conducted that uses TRMM data to calibrate rainfall estimates from other satellites. There are several outer rainbands located only on the northeast side of the storm that were still effecting the western part of the state.ĭata from that same satellite over pass (orbit) was used to create a 3-D image of the storm looking north. By that time, Iselle had been degraded to a tropical depression, and TRMM showed the exposed center of Iselle, which was devoid of any eyewall or even rain. local time) as the center was passing well south of the far western islands of Kauai and Ni'ihau. TRMM captured an image of Iselle on August 9 at 09:06 UTC (August 8 at 11:06 p.m. ![]() On Kauai, however, one woman was reported to have been swept away and drowned while hiking. After hitting the Big Island, Iselle continued to track to the west-northwest keeping the center of circulation well south of the rest of the Hawaiian Islands, which mainly received just rain from Iselle's outer rainbands. Currently, several days after the storm, around 8,000 are still without power on the island. The Big Island bore the brunt of the storm where downed trees and power lines left 25,000 people without power. ![]() The center made landfall around 2:30 am HST on Friday, August 8, near Pahala with sustained winds of 60 mph. In fact Iselle, was the strongest and only the second tropical storm to hit the Big Island in over 50 years. Although much weaker, Iselle still struck the southeast Kau coast of the Big Island of Hawaii as a rather strong tropical storm. Fortunately, a combination of southwesterly wind shear, drier air and cooler waters weakened Iselle considerably as it approached the Hawaiian Islands. Iselle was once a rather powerful category 4 hurricane in the East Pacific with sustained winds estimated at 120 knots (~138 mph) by the National Hurricane Center. The Tropical Rainfall Measuring Mission or TRMM satellite passed over Tropical Storm Iselle and gathered data on clouds and rainfall as it affected Hawaii. Tropical Storm Iselle Departs Hawaii While Julio Stays Well North ![]()
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