11.   A weak trough will approach the waters tue.

12.   A weak frontal trough lies about one-hundred miles north of the region.

13.   A weak frontal trough located just south of our area continued to drift slowly to the northeast.

14.   A weak frontal trough nearby will continue to produce considerable cloudiness and scattered showers.

15.   A weak low level trough just south of our area will remain nearly stationary this afternoon.

16.   A weak low level trough will be moving west across the coastal waters tonight.

17.   A weak surface trough continues north of the area this morning.

18.   A weak surface trough located across Hispaniola should continue to move rapidly eastward today and pass just north of our area by this afternoon.

19.   A weak surface trough located just south of the islands will continue to produce considerable cloudiness this afternoon.

20.   A weak surface trough northeast of the region will produce light east to northeast winds across the islands.

a. + trough >>共 117
level 20.20%
upper 15.79%
surface 11.81%
weak 11.38%
low 5.12%
frontal 3.98%
low-level 2.84%
public 2.56%
low-pressure 1.99%
mid 1.14%
weak + n. >>共 1092
economy 5.53%
demand 5.26%
dollar 4.29%
yen 3.36%
sale 2.82%
pressure 2.65%
currency 2.24%
link 2.15%
market 1.93%
spot 1.90%
trough 1.00%
每页显示:    共 80