September 30, 2020

Threat Increasing for Cuba, Florida from Intensifying Irma

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By Bob Henson · From Weather Underground Visible-wavelength satellite image of Hurricane Irma as of 15Z (11 am EDT) Monday, September 4, 2017. Image credit: RAMMB / CIRA @ CSU. Dangerous Hurricane Irma was intensifying as it approached the northern Lesser Antilles Islands on Monday morning, and island residents in the path of Irma need […]

Tropical wave formation chances jump to 40 percent [now 70%] : NHC

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BY BEAU EVANS From Nola.com The Times-Picayune A tropical wave in the eastern Atlantic Ocean off the coast of Africa has a 40 percent* [update shows 70%] chance of developing into a tropical storm or depression over the next five days, the National Hurricane Center said Saturday night (July 1). Forecasters upped the five-day formation chance […]

Tropical Storm Matthew forms in the Lesser Antilles Islands

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By: Jeff Masters From Weather Underground Tropical Storm Warnings are flying in the Lesser Antilles Islands thanks to newly-formed Tropical Storm Matthew. An Air Force hurricane hunter aircraft found on Wednesday morning that Invest 97L had finally developed a closed circulation, and had surface winds near 60 mph in a powerful cluster of thunderstorms that […]

Weather Underground Update: Potential Trouble in Tropical Atlantic

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By: Bob Henson and Jeff Masters From Weather Underground A tropical wave located a few hundred miles south-southwest of the Cabo Verde Islands on Saturday morning was poorly organized, with only a limited amount of heavy thunderstorm activity and spin. This wave was under low to moderate wind shear of 5 – 15 knots and […]

Further Updated: Twin Invests 96L and 97L Worth Watching in the Atlantic

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By: Jeff Masters , 2:41 PM GMT on July 29, 2016 There’s a new threat area to discuss today in the Atlantic: a tropical wave midway between the Lesser Antilles Islands and the Cabo Verde Islands that is headed west to west-northwest at 25 mph. This disturbance was designated Invest 97L on Thursday afternoon by […]

Little change to tropical disturbance 93L [may be TD Thu]

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NOTE: SEE UPDATED IMAGES BELOW STORY By Dr. Jeff Masters From Weather Underground 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 […]