000 ABPZ20 KNHC 271724 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 1100 AM PDT Fri Oct 27 2017 For the eastern North Pacific...east of 140 degrees west longitude: The National Hurricane Center is issuing advisories on Tropical Storm Selma, located a little more than a hundred miles south of San Salvador, El Salvador. An area of low pressure is forecast to form to the south or southwest of the Gulf of Tehuantepec in a couple of days. Environmental conditions are expected to be conducive for some gradual development of this system early next week while it moves slowly westward. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 5 days...low...20 percent. && Public Advisories on Selma are issued under WMO header WTPZ35 KNHC and under AWIPS header MIATCPEP5. Forecast/Advisories on Selma are issued under WMO header WTPZ25 KNHC and under AWIPS header MIATCMEP5. $$ Forecaster Brown