21.   An old frontal boundary extending from the north coast of Hispaniola northeast across the Atlantic will drift southeast and weaken through tonight.

22.   An old frontal boundary which is the remains of a cold front is drifting southward through the Atlantic and is aided by an upper level low pressure trough.

23.   An old frontal boundary which moved south of our area yesterday is expected to remain southeast of the U.S. Virgin Islands today.

24.   Eastern Puerto Rico experienced scattered showers associated with a weak frontal boundary.

25.   Farther south, a stationary frontal boundary stretched from Georgia, west into Louisiana and acted as a focus for scattered showers early this afternoon.

26.   Further south, skies also were to be sunny, though a few showers were possible in southern Florida because of a stalled frontal boundary.

27.   Fri through sun...Weak frontal boundary nearly stationary across Windward islands fri.

28.   Frontal boundaries to remain nearly stationary across the local Caribbean waters through Thursday.

29.   Frontal boundary will remain nearly stationary across the Caribbean waters and weaken through Thursday.

30.   High pressure across the western Atlantic has built south and eastward over the past few days and pushed an old and very weak cold frontal boundary into our area.

a. + boundary >>共 424
national 8.78%
political 3.71%
new 3.64%
frontal 3.51%
international 2.34%
maritime 2.34%
state 2.08%
geographical 1.69%
old 1.56%
traditional 1.50%
frontal + n. >>共 53
assault 17.06%
boundary 15.88%
system 13.24%
nudity 10.88%
trough 8.24%
attack 6.76%
crash 2.94%
zone 2.65%
collision 1.76%
cortex 1.76%
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