Jeff co-founded the Weather Underground in 1995 while working on his Ph.D. He flew with the NOAA Hurricane Hunters from 1986-1990.
By: Jeff Masters, 9:22 PM GMT on April 01, 2015
Category 4 Typhoon Maysak is headed west-northwest towards the Philippines, after pounding the islands of Yap State in Micronesia's Caroline Islands on Tuesday. At 2 pm EDT Wednesday the Joint Typhoon Warning Center (JTWC) put Maysak's top sustained winds at 140 mph, and the Japan Meteorological Agency (JMA) put Maysak's central pressure at 935 mb. Maysak underwent an eyewall replacement cycle early on Wednesday, when the inner eyewall collapsed and was replaced by ...
Updated: 11:17 PM GMT on April 01, 2015
By: Dr. Jeff Masters, 12:46 PM GMT on April 01, 2015
The World Meteorological Organization (WMO) announced a surprise addition to the list of retired Atlantic storm names during their annual meeting held in Ann Arbor, Michigan yesterday: henceforth, the name "Invest 92L" will no longer be used for tropical disturbances in the Atlantic, after that storm savaged South Florida in September 2014. Damage from Invest 92L as it swept across South Florida on September 11, 2014 was piddly, but as residents of Florida can attes...
By: Bob Henson, 6:59 PM GMT on March 31, 2015
The first ten days of April could produce more severe weather than the modest amount racked up so far across the U.S. in 2015. The same upper-level pattern that kept the West warm and the East cold through most of the winter has also kept severe weather to a minimum, as northwest flow and a series of cold fronts pushed warm, unstable air off the U.S. mainland. This year through March 30, we’ve seen a preliminary total of a mere 38 tornadoes, compared to a January-...
Updated: 4:32 PM GMT on April 01, 2015
By: Dr. Jeff Masters, 2:30 PM GMT on March 31, 2015
Extremely dangerous Category 5 Super Typhoon Maysak is pounding the islands of Yap State in Micronesia's Caroline Islands. At 8 am EDT Tuesday the Joint Typhoon Warning Center (JTWC) put Maysak's top sustained winds at 160 mph, making it one of only three Category 5 storms ever observed in the Northwestern Pacific prior to April. The Japan Meteorological Agency (JMA) put Maysak's central pressure at 905 mb, the lowest pressure they have estimated for any Northwester...
Updated: 6:53 PM GMT on March 31, 2015
By: Dr. Jeff Masters, 3:22 AM GMT on March 30, 2015
It's been a record early start to typhoon season in the Western Pacific, where Category 2 Typhoon Maysak, with top sustained winds of 100 mph as of 8 pm EDT Sunday, is gathering strength in the waters a few hundred miles east of Yap State in the Caroline Islands. Maysak is the fourth named storm so far in 2015 in the Western Pacific, and the Joint Typhoon Warning Center (JTWC) database shows only one other year since 1945 with more named storms that formed during th...