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Archive: Jul 2020

Potential Tropical Cyclone 9 intensifies to become Tropical Storm Isaias

1-minute Mesoscale Domain Sector GOES-16 (GOES-East) “Red” Visible (0.64 µm) and “Clean” Infrared Window (10.35 µm) images (above) showed Potential Tropical Cyclone Nine as it moved northwestward across the Caribbean Sea on 29 July 2020. In Puerto Rico, Luis Muñoz Marin Airport in San Juan (TJSJ) had a wind gust to 44 knots (51 mph) around 19 UTC. Numerous pulsing... Read More

Dry Air in the southwest Atlantic Ocean

An analysis of the Saharan Air Layer, above (from this website), shows dry conditions stretching from Africa to the southwestern Atlantic, wrapping around the clouds associated with a strong tropical disturbance that is forecast to move northwestward over the Lesser and Greater Antilles in the next couple days.  (Both the dry air... Read More