The Portland man found hiding in a ravine following a high-speed chase through Centralia and Chehalis remained in custody Friday in lieu of $100,000 in bail. Bryan A. Hampton, 44, is charged with one count each of first-degree unlawful firearm possession, a Class B felony punishable by up to 10 years in prison, and attempting to elude a police vehicle, a Class C felony punishable by up to five years in prison. Hampton also faces charges of driv…