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By: Jeff Masters, 3:34 PM GMT on July 25, 2016
The closest approach on record by a tropical storm to the island of Oahu resulted in torrential rains in excess of ten inches there as Tropical Storm Darby passed just 40 miles to the south and west of Honolulu, Oahu on Sunday with sustained winds of 40 mph. No other named storm on record has passed that close to Honolulu or Oahu since accurate records began in 1949. Rainfall amounts of over ten inches in the 24 hours ending at 3:45 am HST Monday were reported at fi...
By: Jeff Masters, 10:57 PM GMT on July 23, 2016
Tropical Storm Warnings are flying for the Big Island of Hawaii, Maui and Oahu as Tropical Storm Darby dashes itself against the high mountains of the Big Island. Saturday evening satellite loops showed that Darby was becoming misshapen and disorganized as it made landfall on the Big Island, and radar on the Big Island showed a highly asymmetric storm, with all of the heavy rains confined to the southeast side.
Figure 1. True-color MODIS image of Tr...
Updated: 4:47 PM GMT on July 24, 2016
By: Jeff Masters, 9:18 PM GMT on July 22, 2016
Tropical Storm Warnings are flying for the Big Island of Hawaii and Maui as Tropical Storm Darby steams westwards at 11 mph towards Hawaii. An Air Force hurricane hunter aircraft was in Darby Friday afternoon, and found top surface winds near 60 mph and a surface pressure of 999 mb. Friday afternoon satellite loops of Darby showed a modest area of heavy thunderstorms that were changing little in intensity. Wind shear was a moderate 10 - 20 knots, and sea surface tem...
By: Jeff Masters, 3:01 AM GMT on July 22, 2016
It was a historic day in the annals of meteorology on Thursday, July 21, 2016 in the Middle East, where the temperature in Mitribah, Kuwait soared to an astonishing 54°C (129.2°F). If verified, this would be Earth's hottest temperature ever reliably measured outside of Death Valley, California, according to wunderground's weather historian Christopher C. Burt. The temperature is likely to be verified, since Thursday's incredible heat also extended into Iraq, which...
Updated: 6:43 PM GMT on July 22, 2016
By: Bob Henson, 2:42 PM GMT on July 21, 2016
For more than a decade, individuals across the United States have been collecting weather data from their houses and backyards using personal weather stations (PWSs), and sharing their data with the world via Weather Underground. Data from the WU PWS Network, which was launched in 2001, can be found in a variety of formats on the WU website and WU apps. Over the last several years, the WU PWS Network been growing by leaps and bounds, both in numbers and geographic s...