...GALE WARNING...
.COMPLEX LOW WITH FIRST CENTER 43N44W 987 MB MOVING SE 05 KT AND
SECOND CENTER 42N39W 987 MB MOVING NW 05 KT. WITHIN 660 NM N AND
540 NM W QUADRANTS OF FIRST CENTER WINDS 25 TO 40 KT. SEAS 10 TO
21 FT. ELSEWHERE S OF 55N BETWEEN 35W AND 59W WINDS 20 TO 30 KT.
SEAS 8 TO 15 FT.

西侧为OPC认定的First center，中上部那个是Second center

...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 41N44W 988 MB MOVING E 10 KT.
WITHIN 600 NM NE...840 NM NE AND 540 NM SW QUADRANTS WINDS 25 TO
40 KT. SEAS 9 TO 18 FT. ELSEWHERE WITHIN 780 NM OF LOW CENTER
EXCEPT 900 NM NE QUADRANT WINDS TO 25 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 41N39W 988 MB.
WITHIN 660 NM SW AND 1020 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS
8 TO 16 FT. ELSEWHERE WITHIN 1320 NM N SEMICIRCLE...AND 720 NM SE
AND 960 NM SW QUADRANTS WINDS TO 25 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW 47N33W 984 MB. WITHIN 960 NM SW AND 780 NM
NW QUADRANTS WINDS 25 TO 40 KT. SEAS 11 TO 22 FT. ELSEWHERE
WITHIN 1320 NM SW AND 1020 NM NW QUADRANTS WINDS TO 25 KT. SEAS 8
TO 16 FT.

...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 42N37W 987 MB MOVING NE 10 KT AND
SECOND CENTER E OF AREA NEAR 52N30W 988 MB MOVING SW 20 KT. S OF
61N E OF 56W...NOT INCLUDING THE WATERS W OF GREENLAND...WINDS 25
TO 35 KT. SEAS 8 TO 14 FT.

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