Aug 21, 2014 4:55 PM by Daniel Phillips

High Pressure Controls Acadiana; Tropics Remain Disturbed

High pressure is getting ready to take hold of Acadiana for the end of the work week and doesn't look like it will be letting go until next week. 

A strong ridge of high pressure, that has had some difficulty taking shape looks like it will finally move in on Friday. 

Temperatures will climb into the mid and even upper 90s this weekend, and with the heat index climbing closer to 105-107 we may even see a Heat Advisory by the end of the weekend. 

Regardless of whether or not an advisory goes up, needless to say it will be very hot so staying hydrated will be the number one priority. 

High pressure systems usually are associated with sinking air, which can help squash convective chances. 

The problem is, however, that there is a lot of tropical moisture entrenched in the atmosphere, and as a result it's hard to bet against scattered rain chances. 

Especially the way the afternoons have been shaping up this past week a 20-30% chance of rain will likely hold into the weekend. 

The ridge of high pressure will essentially act as a shield against any significant weather, to include the tropics which remains disturbed. 

Invest 96L, the disturbance garnering a lot of attention on social media, continues to move through the Caribbean. 

Hurricane Hunters on Thursday detected a weak and disorganized center of circulation, and despite finding a small area with tropical storm force winds convection has been struggling to get going. 

Conditions will be more favorable for development over the weekend so there is still the possibility that Invest 96L does become either a tropical depression or a tropical storm. 

The National Hurricane Center has given the disturbance a 70% chance to develop in the next 5 days. 

Current thinking on the direction of the system is out east into the Atlantic, and it seems more models are getting on board with this solution. 

It looks now as if a trough will help keep it offshore and then a weakness in the atmosphere will pave the way for the system to follow it out into the Atlantic. 

At this time (Thursday afternoon) it poses no threat to Acadiana or other communities along the Gulf of Mexico. 



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