2019 Atlantic Hurricane Season: Mid-Season Update

  • Aug 22, 2019

A picture of a hurricane from satellite

This year’s quiet Atlantic hurricane season will produce fewer storms than initially forecast

The Earth Networks Meteorologists released their 2019 Hurricane Mid-Season Outlook this morning.

The team updated their outlook to reflect a below normal overall season.

“The rest of the season is forecast to feature near normal activity, but overall final numbers will likely be below normal due to the quiet season so far,” says Earth Networks meteorologist Anthony Sagliani

To watch the recording or download the slide deck, please click the link below.

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Outlook Results

The Atlantic hurricane season runs from June 1 to November 30. It covers the Atlantic, Caribbean Sea, and the Gulf of Mexico.

A normal hurricane season has 12 named storms, 6 hurricanes, and 3 major hurricanes.

After a busy 2018 hurricane season, our meteorologists forecast a near normal season for 2019. This forecast included 10-14 named storms, 4-7 hurricanes, and 2-3 major hurricanes.

Now our meteorological operations team forecast a slight change.

Although we may see an uptick in the number of storms since we are nearing the peak of the season, the overall forecast numbers dropped to below normal overall.

Our experts are now forecasting 8-12 named storms, 3-6 hurricanes, and 1-2 major hurricanes as total numbers for the 2019 season.

2019 Atlantic Hurricane Season Mid-Season Update

Remember, a major hurricane refers to hurricanes of Category 3 or higher.

Why the Change?

Our forecast changed for a few reasons including:

  • El Nino / La Nina (ENSO)
  • Ocean Water Temperatures
  • Forecast Trends Next 90 Days
  • African Monsoon and Sahara Air
  • Analog Years

 

Driving the slow start has been a weak El Nino and large plumes of Saharan dust. When Sharan dust sweeps off the African continent it also can spread across the tropical Atlantic. This dust creates an unfavorable environment for tropical storms to form.

As we head into the autumn, the influences of these tropical system suppressors will fade. Therefore, we’ll experience an increased likelihood of storm development.

ENSO Refresh

ENSO stands for the El Nino-Southern Oscillation. This is a recurring climate pattern involving changes in the temperature of waters in the central and eastern tropical Pacific Ocean.

El Nino is the warming phase of ENSO while La Nina is the cooling phase.

A Quiet Season So Far

By this point in the hurricane season, we typically see 4 named storms, 1.5 hurricanes, and 0.5 major hurricanes (remember, these are averages). But in 2019, we’ve seen a bit less than average.

As of August 22, we’ve seen 3 named storms 1 hurricane, and no major hurricanes.

The three named storms were Andrea, Barry, and Chantal.

This year is the first time since 1982 that no named storms have occurred between July 5 and August 19.

Just because this season has been quiet doesn’t mean it’s been without destruction.

Tropical Storm Barry on Sferic Maps real-time weather map, hyperlocal weather visualization tool

Hurricane Barry made landfall on July 13, 2019. This storm made landfall as a Category 1 hurricane and dropped amounts of 20-30 inches of rain in localized areas of LA. It caused an estimated $600 million in damages.

Highest Risk Areas

As we’ve previously mentioned, the peak of hurricane season has yet to come.

Hurricane season typically peaks in September. Two-thirds of all hurricanes (and virtually all major hurricanes) occur in the ten weeks from early August to mid-November.

September

The highest risk of tropical development in September will occur in the following areas:

  • Central and western tropical Atlantic
  • Northern Caribbean
  • Southern Gulf of Mexico

 

October

In October, the development risk shifts to these areas:

  • Caribbean
  • Western Tropical Atlantic (including areas east of the Florida and Southeast coastline)
  • and still the Southern Gulf of Mexico

 

Landfall Potential & Safety 

A red icon with a house and car underwaterAny storms that develop in these areas have the potential to threaten the U.S. mainland.

Remember, it only makes one hurricane to make a season memorable.

Residents and businesses living and operating in coastal areas near the Gulf of Mexico and along the Atlantic seaboard should always have emergency plans for when a storm threatens.

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