Upper-Level Jet
The upper-level jet continues to be displaced south of 40 N latitude across the western and central North Pacific.
NOAA OPC 500 mb Forecast Chart
Surface Weather
As a result, storm tracks are racing eastward along 35N-40N latitudes until near 160W before turning northeastward. Frequent gale to storm westerlies can be expected near and southward of the low tracks with the risk for brief periods of hurricane force winds and associated high seas.
NOAA OPC 48 hour Surface Weather Forecast
Shipping
As a result, both westbound and eastbound traffic will experience delays, especially westbound traffic from the Panama Canal to Asia. Westbound traffic from US North west may be able to take advantage of shorter Great Circle routes.
