From the National Weather Service

Coastal residents of Mexico and southwestern US are watching the development of a second hurricane in the Eastern Pacific. Tropical Storm Blanca formed today east of Cat 4 Hurricane Andres. TS Blanca will be a major hurricane in the coming hours and track northwest along the coast of Mexico. Let’s keep our radio equipment ready to help. June 1 is the grand opening of Hurricane Season.

USNO Joint Typhoon Warning Center: http://www.usno.navy.mil/JTWC/
National Hurricane Center: http://www.nhc.noaa.gov/?epac