Tropics: Atlantic unusually quiet; East Pacific getting active

The Atlantic Basin remains unusually quiet: We’re approaching the peak of the hurricane season in the Atlantic Basin, and so far it has been a very quiet year.

Only 2 named storms so far in the Atlantic

Since Barry made landfall in July, we’ve hit a drought of named storms. While the season has been quiet so far (and none of us in the weather office are complaining about that), were still a couple of weeks away from the peak of the Atlantic hurricane season, which comes in mid-September.

The peak of hurricane season is in September

So, with the peak of the Atlantic season still on the way, we will continue to watch the tropics diligently over the next few weeks. There’s still plenty of the season left for things to pick up, and it only takes one big storm to make it a bad year.

Atlantic disturbance unlikely to develop: Currently in the Atlantic basin, things still are fairly quiet.

The NHC is continuing to keep an eye on a disturbance off the east coast today, but this disturbance is very unorganized and unlikely to develop into anything as it swings back into the open Atlantic waters. You can get the latest outlooks on this disturbance from the National Hurricane Center.

Eastern Pacific Basin becoming more active: Meanwhile, as the Atlantic remains a relative dead zone, the Eastern Pacific basin is getting a bit more active. Currently the NHC is monitoring a couple of disturbances that are likely to become tropical storms in the coming days.

We’ll have to watch these systems to see if they have any interaction with land, and the disturbance off the coast of Mexico is bringing heavy rains to parts of Mexico and Guatemala but often the storms in this basin are what we like to call “fish storms” because they don’t impact land. To get the latest updates on these disturbances, check the NHC’s Eastern Pacific page. 

Global tropical activity below average: While the Pacific has been a bit more active than the Atlantic so far this year, we’ve seen things be a bit quieter than average globally. We measure the activity of a tropical season using something called Accumulated Cyclone Energy, or A.C.E. for short.

A.C.E. shows that the tropics have been quieter than average

While A.C.E. in the Atlantic Basin has been well below average so far this year, the A.C.E in the whole Northern Hemisphere is running below average too. We’ll have to see if this trend continues through the rest of the year.

We’ll see rain chances and humidity trend up this week–details in the WHNT News 19 Weather Discussion.

— Meteorologist Alex Puckett


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