Recent satellite wind data shows that Darby remains a small hurricane. The storm has an estimated minimum central pressure of 971 mb or 28.68″. The 110 mph hurricane is moving to the west-northwest at 15 mph. Simulated satellite imagery from the American GFS computer forecast model indicates that the associated convection should dissipate in about 2 days, with Darby becoming a post-tropical low within 3 days.įor now, Darby is located roughly 1,245 miles east of Hilo on the Big Island of Hawaii. In about 24 hours, Darby is forecast to move into an area with strong westerly shear and very dry air at that point, the storm should rapidly weaken. However, the water becomes much colder between where it is now and the Hawaiian Islands combined with increasing shear, the environment will become very hostile towards Darby. Hurricane Darby is temporarily in an area that supports its intensity: light atmospheric shear, robust moisture, and sea surface temperatures at least in the upper 70s. Image: Water temperatures are much colder east of Hawaii than they are near the islands and the North American west coast as a result, tropical cyclones moving in like Darby is usually weakens due to the lack of warmer sea surface temperatures. This simulated satellite loop based on American GFS Computer Forecast data illustrates how the tropical cyclone is expected to break-up in the coming days before reaching Hawaii. Today and tomorrow, tropical moisture from the former Hurricane Bonnie is bringing heavier showers to portions of the islands. Fortunately, forecasts continue to dramatically weaken this hurricane before it nears Hawaii however, moisture from it is still due to impact parts of the state later this weekend. Hurricane Darby has unexpectedly intensified today, with maximum sustained winds inside the storm now back up to a 110 mph hurricane, just 1 mph shy of regaining “major hurricane” status. Current weather satellite view of the Hawaii Islands, left, and Hurricane Darby, right.
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