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Tag Archive for 'Shear'

Tropical Weather Update for Thursday, July 2 2009

6:54 AM
A strong upper low over the central Caribbean is moving to the west this morning.  Strong upper and mid level shear will continue to prevent any tropical development in the Caribbean over the next 48 hours.  The Gulf of Mexico also remains quiet as surface high pressure will produce clear conditions through the next [...]

Tropical Weather Update for Thursday, June 25 2009

6:52 AM
No significant changes have been observed throughout the Tropical Atlantic.  The disturbance over the western Gulf of Mexico has moved inland over Mexico and is no longer a threat.  
Strong southwesterly shear remains in place throughout the Caribbean through the western Atlantic due to a deep trough that remains in place.  The shear is [...]

Tropical Weather Update for Tuesday, June 23 2009

6:55 AM
Minor development of a disturbance has eyes drawn to the Gulf of Mexico this morning.  While much of the Atlantic remains dominated by strong west and southwesterly shear due to a deep trough over the western Atlantic, a minor disturbance is showing some signs of organization in the western Gulf of Mexico.  
The disturbance [...]

Tropical Weather Update for Monday, June 22 2009

6:51 AM
No tropical development has been observed this morning and none is likely for at least the next 48 hours.  Strong shear associated with a deep trough over the central Caribbean and over the western Atlantic is inhibiting any form of development from the Caribbean to the African coast and will likely continue to do [...]

Tropical Weather Update for Sunday, June 21 2009

9:29 AM
Once again, no tropical activity is expected over the next 48 hours due to strong wind shear from the central Caribbean Sea through the African coast.  Dry air will also suppress any development over the Gulf of Mexico.

Heavy rain and severe weather a significant threat

7:30 AM
The forecast for today through tonight is best described as significantly complicated and potentially very active.  The main theme is basically the progression of the warm front currently over southwesterly Pennsylvania through eastern Virginia.  I want to start with the fact that the surface low pressure system is further north and weaker than forecasted [...]

Tropical Weather Update for Saturday, June 20 2009

6:45 Am
Once again, the Tropical Atlantic remains quiet as El Nino conditions are already dominating much of the Atlantic.  Strong westerly to southwesterly shear remain over the Caribbean to the coast of Africa, which is inhibiting any disturbance from developing.  Meanwhile, dry air via high pressure over the Gulf of Mexico is producing clear skies. [...]

Tropical Weather Update for Friday, June 19 2009

6:44 AM
The Tropical Atlantic remains quiet this morning with no sign of development in any location.  Strong southwesterly to westerly shear dominates the central Caribbean to the African coast, which will continue to inhibit any type of potential development through the weekend.  As for the Gulf of Mexico, dry air behind a cold front has [...]

Tropical Weather Update for Thursday, June 18 2009

8:15 AM

The one good aspect of El Nino this summer is that development of tropical systems continues to be inhibited by strong westerly shear and a lack of any organized disturbances.  Strong westerly and southwesterly shear dominates the central and wester Caribbean and over the western Tropical Atlantic.  The combination of a trough over northern [...]

High pressure gives way as rain is on the way

7:27 AM
The pleasant weather conditions from yesterday are about to come to an end.  So is my confidence in model guidance, by the way.  However, before I get to that, let’s take a look at the precipitation that is charging towards the forecast area. 
High pressure currently centered over eastern Connecticut and Rhode Island, will continue [...]



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