000 ABPZ20 KNHC 091707 TWOEP TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 1100 AM PDT MON JUN 9 2014 For the eastern North Pacific...east of 140 degrees west longitude: Thunderstorm activity associated with a well-defined low pressure system located about 150 miles south-southwest of Zihuatanejo, Mexico, has continued to increase and become better organized during the past several hours. Environmental conditions are conducive for continued development, and this system will likely become a tropical depression later this afternoon or tonight. The low is expected to move generally west-northwestward at 5 to 10 mph, which will keep the strongest winds away from the coast of southwestern Mexico. * Formation chance through 48 hours...high...90 percent. * Formation chance through 5 days...high...90 percent. $$ Forecaster Stewart