A tropical wave moved offshore the coast of Africa on July 1st. The wave moved uneventfully across the tropical
north Atlantic. As the wave moved through the Caribbean Sea, unfavorable winds aloft kept convection from
organizing. By the 11th, the wave crossed Central America and convective development began in earnest. The
tropical disturbance moved west-northwest parallel to the Mexican coast, organizing on the 16th which brought
rainfall to the southern Mexican coastline. By the morning of the 17th, the disturbance had strengthened into a
tropical storm, named Celia. Celia moved west-northwest south of Baja California, missing Cabo San Lucas by
120 miles. Late on the 18th, Celia reached its peak intensity as a modest tropical storm before cooler sea surface
temperatures caused weakening. Celia regained tropical depression strength on the 20th and devolved into a
remnant low on the 21st. The graphics below show the storm total rainfall for Celia, using data provided by the
Comision Nacional del Agua, the parent agency of Mexico's national weather service.
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