Invest 95L Drenches Florida’s West Coast; Super Typhoon Soudelor Threatens Taiwan

By: Bob Henson, 4:17 PM GMT on August 03, 2015

Already reeling from days of heavy rain, the Florida coastline from Tampa to the Big Bend area got an unwelcome visitor on Sunday night in the form of Invest 95L. A well-defined swirl was evident Sunday on satellite imagery just west of Florida’s Big Bend, near the weak south end of a large upper-level low covering much of eastern North America. The National Hurricane Center began tracking the system as Invest 95L at 0000 GMT Monday, with an initial surface wind s...

Hurricane

Updated: 4:48 PM GMT on August 03, 2015

Guillermo Gathers Steam in NE Pacific; Invest 94L Clings to Life

By: Bob Henson, 5:54 PM GMT on July 31, 2015

Hurricane Guillermo is stepping up its game in the Northeast Pacific, as it moves along a steady west-northwest course that could bring it near the Hawaiian Islands next week. Guillermo was upgraded to hurricane status by the National Hurricane Center at 5:00 am EDT Friday, and in the NHC’s 11:00 am EDT advisory, Guillermo was located at 12.4°N, 132.7°W, with top sustained winds at 90 mph. Visible and infrared satellite imagery shows a healthy tropical cyclone, ...

Hurricane

Updated: 8:21 PM GMT on July 31, 2015

What to Expect from El Niño: How Much Snow Back East?

By: Bob Henson, 3:43 PM GMT on July 30, 2015

Some of the impacts from El Niño across the United States are fairly straightforward: hurricane suppression in the Atlantic, for example. Then there’s snowfall in the Northeast, where El Niño is just one of several big factors at work. We touched on the complexities of this topic in Tuesday’s roundup post on typical El Niño impacts during North American winter. (Jeff Masters posted an update earlier today on tropical activity in the Atlantic and Pacific, incl...

El Niño

Little Change to 94L; Hawaii Watching Guillermo; TC 2 Kills 27 in Myanmar/Bangladesh

By: Jeff Masters, 1:10 PM GMT on July 30, 2015

A strong tropical wave that pushed off the coast of Africa on Wednesday (Invest 94L) was located a few hundred miles southwest of the Cape Verde Islands on Thursday morning, and was headed west at 15 mph. 94L does have conditions that favor some slow development over the next few days. Satellite images show that 94L has a decent amount of spin, but only a modest area of heavy thunderstorms that have not increased in organization this morning. Wind shear off the coas...

Hurricane

Invest 94L Off the Coast of Africa May Slowly Develop

By: Jeff Masters, 3:29 PM GMT on July 29, 2015

The first African tropical wave worthy of being classified by NHC as an area of interest (an "Invest") has emerged from the coast of Africa, and lies a few hundred miles southeast of the Cape Verde Islands. Invest 94L has conditions that favor some slow development over the next few days. Satellite images show that 94L has a decent amount of spin and a small but growing area of heavy thunderstorms. Wind shear off the coast of Africa is moderate, 10 - 20 knots, ocean...

Hurricane

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About

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