About Jeff Masters
Dr. Masters co-founded wunderground in 1995. He flew with the NOAA Hurricane Hunters 1986-1990. Co-blogging with him: Bob Henson, @bhensonweather
By: Jeff Masters, 3:21 PM GMT on July 27, 2016
One of the strongest tropical waves of the 2016 African monsoon season moved off the coast of Africa on Wednesday morning, and has the potential to develop into a tropical depression in the coming days as it tracks westwards at 15 - 20 mph into the middle Atlantic. NHC designated this disturbance Invest 96L on Wednesday morning--the first "Invest" of the year for an African tropical wave, and something we'll see a lot more of as once the Atlantic hurricane season hi...
Updated: 7:55 PM GMT on July 27, 2016
By: Jeff Masters, 3:54 PM GMT on July 26, 2016
A “black swan” hurricane—a storm so extreme and wholly unprecedented that no one could have expected it—hit the Lesser Antilles Islands in October 1780. Deservedly called The Great Hurricane of 1780, no Atlantic hurricane in history has matched its death toll of 22,000. So intense were the winds of the Great Hurricane that it peeled the bark off of trees--something only EF5 tornadoes with winds in excess of 200 mph have been known to do. However, hurricanes ...
Updated: 11:36 PM GMT on July 26, 2016
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...