Little Change to 93L

By: Dr. Jeff Masters, 2:47 PM GMT on July 30, 2014

An area of disturbed weather located near 9°N, 45°W at 8 am EDT Wednesday, about 1150 miles east of the Lesser Antilles Islands (93L), has the potential to develop into a tropical depression by Thursday, but is struggling with high wind shear today. Visible satellite loops on Wednesday morning showed 93L had a well-defined surface circulation and some low-level spiral bands. However, infrared satellite images showed heavy thunderstorm activity was very limited, an...

Hurricane

Updated: 3:36 PM GMT on July 30, 2014

93L in Middle Atlantic Close to Tropical Depression Status

By: Dr. Jeff Masters, 2:22 PM GMT on July 29, 2014

An area of disturbed weather located near 10°N, 39°W at 8 am EDT Tuesday, about 1600 miles east of the Lesser Antilles Islands, (93L), has the potential to develop into a tropical depression by Wednesday, but is struggling with high wind shear today. Visible satellite loops on Tuesday morning showed improved organization to 93L with more spin and some low-level spiral bands beginning to form. A 7:30 am EDT July 29 pass from the ASCAT satellite showed plenty of wes...

Hurricane

Updated: 2:32 PM GMT on July 29, 2014

93L in Eastern Atlantic Growing More Organized

By: Dr. Jeff Masters, 2:43 PM GMT on July 28, 2014

An area of disturbed weather located near 10°N, 33°W at 8 am EDT Monday, about 500 miles southwest of the Cape Verde Islands, was designated Invest 93L by NHC early Monday morning. This disturbance is a more serious threat than Tropical Depression Two of last week, and has the potential to develop into a strong tropical storm before reaching the Lesser Antilles Islands on Friday or Saturday. Visible satellite loops on Monday morning showed that the disturbance had...

Hurricane

Updated: 3:40 PM GMT on July 28, 2014

Disturbance off the Coast of Africa a Potential Threat to the Lesser Antilles

By: Dr. Jeff Masters, 5:57 PM GMT on July 27, 2014

An area of disturbed weather near 11°N, 31°W, about 500 miles southwest of the Cape Verde Islands, has the potential to develop into a tropical depression later this week as it heads west at 10 - 15 mph towards the Lesser Antilles Islands. Visible satellite loops on Sunday morning showed that the disturbance had only a minor amount of spin. Infrared satellite images showed that the system's heavy thunderstorm activity was modest at best, and had not changed signif...

Hurricane

The Record Quiet Hurricane Season of 1914: Could it Happen Again in 2014?

By: Dr. Jeff Masters, 4:08 PM GMT on July 25, 2014

This year marks the 100th anniversary of the slowest Atlantic hurricane season on record--1914, which had no hurricanes and only one tropical storm. Is it possible that the 2014 hurricane season could match 1914 for the lowest activity ever recorded, with Hurricane Arthur ending up as our only named storm? I think that is highly unlikely, even though the atmospheric and oceanic conditions in the Atlantic are looking hostile for development for the coming two weeks.<...

Hurricane

Updated: 4:10 PM GMT on July 25, 2014

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About

Jeff co-founded the Weather Underground in 1995 while working on his Ph.D. He flew with the NOAA Hurricane Hunters from 1986-1990.