The trough of low pressure that was in the Bay of Campeche, México, has become the season’s first named storm. It is Arlene which reached tropical storm levels Tuesday. The storm originated as a tropical wave.
The storm has maximum sustained winds of 40 mph (65 kph), said the U.S. Hurricane Information Center.
In Costa Rica weather experts are predicting another hot day with temperatures at the Pacific coast reaching 33 degrees C (about 91 F). Such temperatures are likely to result in afternoon thunderstorms, said the Instituto Meteorológico Nacional.