Meanwhile, a bushfire on the Big Island doubled in size overnight and has burned through more than 600 hectares of Hawaii Volcanoes National Park.
As Hurricane Hector moves west, Hawaii's Big Island is preparing Wednesday for a glancing blow from the storm's northern fringes, forecasters said.
The storm's maximum sustained winds Tuesday morning are near 40 miles per hour and the U.S. National Hurricane Center says Debby is expected to dissipate in a few days.
Ileana formed as a tropical depression on Saturday, Aug. 4, south of the Gulf of Tehuantepec and about 250 miles (400 km) south-southeast of Puerto Angel, Mexico.
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Hawaii emergency officials are keeping track of a hurricane that's expected to pass to the south of the islands this week. "If it does, it will become Typhoon Hector". It was no longer expected to grow into a major hurricane.
Even if El Nino fizzles, said Klotzbach, "we believe that the hurricane-unfavorable conditions in the Atlantic are likely to persist over the next several months". It will not affect any land areas. Sub-tropical Storm Debby was heading north at 15mph on Tuesday evening, with maximum force winds of 40mph, but it is expected to dissipate before the week is out.
The active season in the Pacific contrasts to the relatively quiet season in the Atlantic. Debby will not be a threat to land. It will turn to the northeast by the weekend, keeping it clear of the U.S. No impacts will be felt here in eastern Carolina. The long-term seasonal averages are 11 named storms, and six hurricanes.