From Miami: Tropical Storm Isaias has formed in warm waters off eastern Mexico. Forecasters expect it to strengthen into a hurricane, the first of the Atlantic season, before making landfall. The storm is currently centered west of Progreso, Mexico.

Further details about the storm's trajectory and expected impact are available. The storm is forecast to hit the US Gulf Coast later in the week.

More information can be found through the source, which is tracking the storm's progress and providing updates on its expected path and intensity.