000 ABPZ20 KNHC 291145 TWOEP TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 500 AM PDT TUE SEP 29 2015 For the eastern North Pacific...east of 140 degrees west longitude: The National Hurricane Center is issuing advisories on Tropical Storm Marty, located just offshore of the southwestern coast of Mexico. An area of low pressure is expected to form within an elongated surface trough several hundred miles south-southwest of the southern tip of the Baja California peninsula during the next couple of days. Environmental conditions are expected to be conducive for development, and a tropical depression is likely to form later this week while the low remains nearly stationary. * Formation chance through 48 hours...medium...40 percent * Formation chance through 5 days...high...90 percent $$ Forecaster Beven