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Tuesday, August 23, 2016

In our tropical kitchen this morning former tropical storm Kay is well out in the basin and has been plutoed to a tropical depression and this will probably be the last mention of her.


On the back burner we have invest 97E.  It’s around 350 miles SW of Acapulco and this will probably be our next named storm. It is expected to spin up Friday into the weekend.

 
As I was looking at the NOAA/National Hurricane Center chart another advisory popped up on the screen and it was a bit SW of the Gulf of  Tehuantepec and they are giving this a high chance of further development later in the week.


Well out in the Eastern Pacific basin around120 is invest 98 echo and it is expected to spin up later this week and be a named storm.  Unless it does a “Crazy Ivan” it is forecast to continue moving west and pose no danger to land. 


So we have a couple of hot ones on the back burners.  It should make for an interesting weekend. 


Tropical waves:  There is one in transit in the mid Atlantic, one approaching the Central America coast, one just emerging from Central America and one well out in the Eastern Pacific basin this morning.

 

 

Tropical Archives

2014

2015

 
 

 

2016 Tropical Storms

Click on a storm name for details and graphics

Agatha

TS

6/1-6/5

Blas

Cat 3

6/3-6/7

 

Celia

Cat 1

7-9-7/15

 

 

Darby

Cat 2

7/13-7/21

 

 

Estelle

TS

7/16-7/23

 

Frank

Cat 1

7/22-7/28-

 

 

 

Georgette

cat 3

7/23-7/27

 

 

Howard

TS

08/01-08/04

 

Ivette

TS

08/02-08/08

 

Javier

TS

08/08-08/11

 

 

Kay

TS

08/19-8/23

 

Lester

 

Madeline

 

Newton

 

Orlene

 

 

Pains

 

 

Roslyn

 

Saymor

 

Tina

 

Virgil

  Winffred   Xavier   Yolanda  

 

Zeke

 

 


 

Animated GIF Floater when available

 
 

 

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What is a Tropical wave and where do they come from?
Normally a tropical wave starts off as a sand storm in the Sahara Desert. Especially in the summer months there is a significant temperature gradient between the hot desert and the cooler waters along the Gulf of Guinea Coast.  So this hot, dust and sand filled wind starts moving west and developing into a trough of low. The wave, now bow shaped, is now being transported by the African Eastern Jet which moves east west across the Atlantic. 
A new tropical wave departs western North Africa about every 2-4 days between April and November, with about 60-65 waves per year, on average.
In the Atlantic 85% of all their major hurricanes have their origins traceable to these African waves and about 60% of all tropical storm and cat 1-2 hurricanes are spawned by these waves. 
Those that make it across the Atlantic and the Caribbean without tropical development (a tropical storm or hurricane) normally cross Central America and end up in the Eastern Pacific basin where they looking for a low to stimulate in the waters warmer than 80 degrees.