But it had buoyed to the surface just as the squall sprang up, and with 30-knot winds and four-foot swells that splashed over the stern, it was too dangerous to retrieve the sub.
但潜艇刚刚浮上水面，暴风就凶猛来袭，30节的风速和足有四英尺高的巨浪就扑到了船上。
2
Analysis of surface stream and energy fields obviously showed that the squall line occurred behind the surface shear line, and before the convergence area of wind.