000 ABPZ20 KNHC 181742 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 1100 AM PDT Sun Aug 18 2019 For the eastern North Pacific...east of 140 degrees west longitude: Showers and thunderstorms associated with an area of low pressure located a couple of hundred miles south of the Mexico/Guatemala border remain disorganized. Environmental conditions are expected to become more conducive for development during the next couple of days, and a tropical depression is expected to form by Tuesday or Wednesday while the low moves west-northwestward at about 10 mph parallel to the coast of Mexico. Moisture associated with the low is forecast to produce heavy rainfall and possible flash flooding across portions of Guatemala and southeastern Mexico during the next couple of days. * Formation chance through 48 hours...medium...50 percent. * Formation chance through 5 days...high...90 percent. A tropical wave located about 900 miles south-southwest of the southern tip of the Baja California peninsula is producing disorganized shower and thunderstorm activity. Environmental conditions continue to support slow development, and a tropical depression could form later this week while the system moves westward to west-northwestward at about 10 mph. * Formation chance through 48 hours...low...30 percent. * Formation chance through 5 days...medium...50 percent. Another tropical wave located about 1300 miles west-southwest of the southern tip of the Baja California peninsula is producing limited shower and thunderstorm activity. Environmental conditions are not expected to be conducive for development while the system moves slowly westward at about 10 mph during the next couple of days. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 5 days...low...near 0 percent. $$ Forecaster Berg