Current cyclones and Watching


Invest 92L # 4 - July 28, 2020 - 7H00 UTC

Le 28 juillet 2020 à 8:00

By Olivier Tisserant
4.98/5 (46)

Reminder: the information and illustrations on this site are NOT INTENDED to protect property and people from cyclonic risks. For this, you must follow the information and recommendations of your prefecture for France and the competent authorities for other territories.

The first grain lines of theInvest 92L approaching from the south of the West Indies. Finally this disturbance is so extensive that a large part of the West Indies will be impacted in one way or another regardless of where its estimated center passes.
Its organization remains rather limited and we still do not see closed traffic on satellite wind estimates (ASCAT) for the last few hours. We only see a very elongated open circulation. However, these last hours of big burst of convection appeared in the East to the South-East. There is still a possibility that this convection will allow it to organize itself just before the arc or above. A Hurricane Hunter will be investigating this afternoon and should give us the information we need to know what really is.
92L moves fairly quickly between 25 and 30 km / h and should concern the West Indies between tonight and tomorrow evening or even a little more.

 

In terms of intensity, the specialized models have gone all over the place for the next few days. Some have taken their forecast upwards but none foresees a hurricane before the passage over the West Indies. Overall, at 36 hours due, they almost all see a system between the depression and the tropical storm.

As for the trajectory, the consensus for the northern half remains in place but it doesn't mean much because of the extent of the disruption and its failing organization. The entire West Indies must be prepared to receive rain, wind and heavy seas. The remaining question is that of the change in the winds to the West, but we will have to wait for the data from the plane to find out what really is.

The risk that a very powerful and organized system crosses the West Indies is now very low. But in its current disorganization 92L can quite do some damage and we will have to be a little careful over the next few hours on the whole of the West Indies. Gales, Thunderstorms, cumulative rainfalls, heavy seas… all the visible ingredients of a storm are already there no matter what.

I will do something again once the aircraft data has been received.
 

To follow the live quantified evolution of Invest 92L is HERE.

 

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