Disorganized 96L Bringing Heavy Rains to Lesser Antilles

By: Dr. Jeff Masters, 3:05 PM GMT on August 21, 2014

Heavy rain showers are sweeping through the Lesser Antilles Islands as a strong tropical wave (Invest 96L) heads west-northwestwards at about 15 - 20 mph through the islands. Satellite loops on Thursday morning showed a pretty unimpressive system, with a broad, elongated surface circulation and a modest amount of heavy thunderstorm activity that had changed little in intensity or organization since Wednesday. The storm was poorly organized, with a clumpy appearance ...

Hurricane

96L Slowly Organizing on its Way to the Lesser Antilles

By: Dr. Jeff Masters, 2:14 PM GMT on August 20, 2014

A tropical wave (96L) located near 11°N 53°W, several hundred miles east of the Lesser Antilles Islands, is headed west-northwestwards at about 10 - 15 mph. Satellite loops on Wednesday morning showed the wave had a broad, elongated surface circulation and a modest amount of heavy thunderstorm activity that was steadily increasing in areal coverage and intensity. Decent upper-level outflow channels were present on the storm's west and south sides. The storm was po...

Hurricane

Updated: 2:15 PM GMT on August 20, 2014

96L Approaching Lesser Antilles a Threat to Develop

By: Dr. Jeff Masters, 7:58 PM GMT on August 19, 2014

A tropical wave located in the Central Atlantic near 10°N 50.5°W, about 800 miles east of the Lesser Antilles Islands, was designated Invest 96L by NHC on Tuesday afternoon, and is headed westwards to west-northwestwards at about 10 - 15 mph. Satellite loops show the wave has a broad, elongated surface circulation and modest amount of heavy thunderstorm activity that is poorly organized. Thunderstorm activity was beginning to increase slightly in areal coverage ea...

Hurricane

Updated: 8:25 PM GMT on August 19, 2014

Tropical Atlantic Remains Quiet; Eastern Pacific Heating Up

By: Dr. Jeff Masters, 3:25 PM GMT on August 19, 2014

A tropical wave located in the Central Atlantic near 11°N 48°W, about 1,000 miles east of the Lesser Antilles Islands, is headed westwards at about 10 mph. Satellite loops show the wave has a broad, elongated surface circulation and a small amount of heavy thunderstorm activity that is poorly organized. Wind shear is moderate, 10 - 20 knots, and water vapor satellite images and the Saharan Air Layer analysis show that the wave is surrounded by dry air, though the ...

Hurricane

Updated: 3:26 PM GMT on August 19, 2014

July 2014: Earth's 4th Warmest July on Record

By: Dr. Jeff Masters, 4:53 PM GMT on August 18, 2014

July 2014 was Earth's fourth warmest July since records began in 1880, said NOAA's National Climatic Data Center (NCDC) today. NASA rated July 2014 cooler: the 11th warmest July on record. The July ranking by NOAA broke a streak of two consecutive warmest months on record--May and June of 2014 (they originally ranked April 2014 as tied for warmest April on record, but have since revised it to the second warmest April on record.) Global ocean temperatures during July...

Climate Summaries

Updated: 6:14 PM GMT on August 18, 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.

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