File:Pali 2016 NASA track.png
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[edit]DescriptionPali 2016 NASA track.png |
English: On January 11, 2016, tropical storm Pali strengthened to a hurricane, becoming the earliest hurricane ever recorded over the Central Pacific Basin in a calendar year.
At 11:30 a.m. local time (22:30 Universal Time) on January 11, the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite captured this view of the storm spinning over the Central Pacific. The image shows that Pali had developed a clear eye, as well as pronounced cirrus banding along much of the storm’s perimeter. Using observations made shortly after this image was acquired, meteorologists classified the storm as a category-1 hurricane, with maximum sustained winds of 140 kilometers (90 miles) per hour. Its location far from Hawaii—about 2,300 kilometers (1,400 miles) to the southwest—meant that Pali’s main effect was to churn up higher-than-usual surf. The cyclone peaked on January 12 as a category-2 storm, then weakened back to category 1 the following day. View an image of the storm on January 13 here. Pali became a hurricane 19 days earlier than the previous record holder, Hurricane Ekeka of 1992. The Central Pacific Hurricane Center noted that Pali provided “yet another record to stack on the ever-growing pile of recent records due in large part to the ongoing strong El Nino.” Also notable is Pali’s location. The map above shows the path of Pali from January 7 to 12, 2016, in context with all global storm tracks in NOAA’s record from 1842 through 2015. Historically, not many storms have ventured so close to the equator so far out in the middle of the basin. Pali’s track appears relatively erratic and loopy. That’s because the storm is situated within a zone of low pressure, blocked to the north by a belt of high atmospheric pressure and winds blowing from the east, and blocked to the south near the equator by strong winds blowing from the west. Weather Underground blogger Lee Grenci speculated that Pali could cross the equator, which would be another first in the history of recorded tropical cyclones. Cyclones don’t usually form close to the equator because the Coriolis effect is usually too weak here to induce much spin. |
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Source | https://earthobservatory.nasa.gov/NaturalHazards/view.php?id=87314 |
Author | NASA image (top) by Jeff Schmaltz, LANCE/EOSDIS Rapid Response. NASA Earth Observatory map (bottom) by Joshua Stevens, using data from NOAA and Unisys Weather. Caption by Kathryn Hansen. |
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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) | ||
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