Southbound Amtrak service suspended between Seattle and Portland

SEATTLE - Amtrak Cascades suspended all southbound trains between Seattle and Portland due to severe weather Wednesday morning.The suspension is temporary and does not affect northbound trains between the two cities, Amtrak says. No alternate transportation will be provided.Amtrak Cascades trains north of Seattle to Vancouver, B.C. and south of Portland to Eugene continue normal operations but are subject to weather-related delays, Amtrak warns. Monitor the latest Amtrak service alerts at this link. More than a dozen flights were diverted to Sea-Tac Airport after snow forced a ground stoppage at Portland International Airport Tuesday night.Sea-Tac Airport officials say the diversions created a small traffic jam as they scrambled to find space for the planes.