TD 9 Organizing in the Gulf of Mexico; TD 8 Headed Towards North Carolina

By: Jeff Masters and Bob Henson, 3:39 PM GMT on August 29, 2016

Tropical Depression Nine has not strengthened into a tropical storm yet, confirmed a NOAA hurricane hunter aircraft early on Monday morning, as the storm headed to the west at 7 mph on a track just north of western Cuba. The storm’s top winds remained near 35 mph, with a central pressure holding steady at 1007 mb. The strongest winds observed at a surface station on Monday morning were at Pulaski Shoals Lighthouse, located about 70 miles west of Key West, Florida...

Hurricane

Updated: 6:31 PM GMT on August 29, 2016

Invest 99L Finally Develops Into Tropical Depression 9 in the Florida Straits

By: Jeff Masters, 12:11 AM GMT on August 29, 2016

After spending ten days in meteorological limbo-land frustrating forecasters as an “Invest”, 99L finally developed into Tropical Depression Nine, confirmed a NOAA hurricane hunter aircraft late Sunday afternoon. But the storm isn’t done perplexing us yet—the model predictions for the future intensity of the storm remain wildly divergent, even if we now have growing confidence that this storm will track into the coast of Florida north of Tampa on Thursday.

Hurricane

Updated: 3:48 AM GMT on August 29, 2016

TD 8 Forms in Atlantic; Still Watching 99L; Hawaii in Sights of TS Madeline

By: Bob Henson, 5:18 PM GMT on August 28, 2016

We’re now approaching the early-September climatological peak of the Atlantic hurricane season, and this week shows how active things can get. We may see up to three newly named storms between now and Labor Day in the Atlantic. Each of these could eventually affect the United States in some form or fashion. Another named storm could sweep over Hawaii in the next week--and Japan is bracing for its third tropical cyclone in a week.

TD 8 may swing past th...

Updated: 9:45 PM GMT on August 28, 2016

Little Change to 99L in The Bahamas; 91L Headed Towards North Carolina

By: Jeff Masters, 4:35 PM GMT on August 27, 2016

There is little new to say about the saga of tropical wave Invest 99L, which continued to chug west-northwest at 10 mph through the northwestern Bahamas on Saturday morning towards South Florida and the Florida Keys. Satellite loops late Saturday morning showed little change in the storm’s organization and heavy thunderstorms since yesterday; 99L still lacked a well-organized surface circulation center and the amount of heavy thunderstorm activity was modest at be...

Hurricane

Updated: 4:38 PM GMT on August 27, 2016

Wait-and-See Drama With 99L Will Continue For Up to Another Week

By: Jeff Masters, 9:28 PM GMT on August 26, 2016

The week-long wait-and-see drama will continue for up to another week with the large but disorganized tropical wave (Invest 99L) chugging west-northwest at 10 mph through The Bahamas. Satellite loops late Friday afternoon showed an increase in the storm’s organization and heavy thunderstorms, but there was no well-organized surface circulation center and the amount of heavy thunderstorm activity was modest at best. Wind shear dropped from a high 20 - 25 knots earl...

Hurricane

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Dr. Jeff Masters' WunderBlog

About

Dr. Masters co-founded wunderground in 1995. He flew with the NOAA Hurricane Hunters 1986-1990. Co-blogging with him: Bob Henson, @bhensonweather

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