Tropical storm Interest in the Atlantic

Tropical Development in the Atlantic, in April?


What is the earliest on record?


by Tony Pann
Atlantic Hurricanes Examiner
April 22nd, 2011 9:28 am ET

It is Earth Day. not April Fools, and it this is for real. 

Blogger note: (THEY CALL IT 'EARTH DAY' but it really is GOOD FRIDAY, in HOLY WEEK and in the week of PASSOVER)

A strong circulation in the Atlantic 

can be found on satellite 

with a small chance of developing 

into a tropical storm Photo: NOAA, CIMSS

The National Hurricane Center has placed an interest in the Atlantic Ocean for potential development of a cyclone. The cluster of storms does appear to have good circulation with it, and a feed to tropical moisture. However sea surface temperatures are marginal at best.

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Slideshow:http://www.examiner.com/atlantic-hurricanes-in-national/satellite-images-and-forecasts-for-tropical-disturbance-picture

For a tropical storm to develop, ocean water needs to be between 78F and 80F at least, along with light upper level winds. These conditions often need more time to develop in the northern hemisphere. That is why the start date for the hurricane season in the Atlantic is June 1st.

Since 1851, there has been 5 tropical storms between the months of January and April in the Atlantic Basin.  Looking for a tropical storm, the National Hurricane Center did name 'sub-tropical' storm one on January 18th, 1978. 

Winds reached 45mph. Going back farther we find the earliest storm on record. The Groundhog Day Tropical Storm lasted February 2-3 in 1952 with winds that reached 50 mph.

Satellite loops of potential early season storm

So if this storm forms in the Atlantic this April, it will not be a record.  However it would be the earliest named storm on record.  This year, the list starts with Arlene.

Contributing Sources:

 National Atlantic Hurricanes | Examiner.com

 http://www.examiner.com/atlantic-hurricanes-in-national/tropical-development-the-atlantic-april-what-is-the-earliest-on-record-1#ixzz1KHUtbd58

Tropical story links:

2011 Hurricane season forecast and review of 2010

2011 Hurricane season video report: Joe Bastardi forecast for more US landfalls

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