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ARC WEATHER 14/12 0600Z - FORECAST UPDATE #20



ARC WEATHER 14/12 0600Z - FORECAST UPDATE #20
15/12/2014


Synopsis: Strong high pressure ridging along waters from 00 to 15n and from 65W to 45W will remain in place over the next several days. Otherwise, broad inverted trough of low pressure from 20N to 30N and from 50W to 40W will weaken today.

Conclusion: Trade shower/squall activity will linger over the next few days. Otherwise, winds will freshen as ridging strengthens particularly in S grids, QQ and RR thru the 15/12.

T = 14/12 0600 UTC

SHWRS/SQUALLS* IN ALL GRID AREAS

KK:
T: WINDS SE-S 09-14KTS SEAS 1-3 SWELLS N-NE 5-7FT (9SEC) SKIES MOSTLY CLDY CURRENTS FROM S @ 0.4KTS.
T+12: WINDS SE-S 10-15KTS SEAS 1-3 SWELLS N-NE 5-7FT (9SEC) SKIES PRTLY CLDY CURRENTS FROM S @ 0.5KTS.
T+24: WINDS SE-S 08-13KTS SEAS 1-2 SWELLS N-NE 5-7FT (8SEC) SKIES MOSTLY CLDY CURRENTS FROM SW @ 0.3KTS.
T+36: WINDS SE-S 09-14KTS SEAS 1-3 SWELLS NE-E 5-7FT (8SEC) SKIES PRTLY CLDY CURRENTS FROM S @ 0.5KTS.

QQ:
T: WINDS SE-E 11-16KTS SEAS 2-3 SWELLS N-NE 5-7FT (10SEC) SKIES MOSTLY CLDY CURRENTS FROM SSE @ 0.3KTS.
T+12: WINDS ENE-ESE 11-16KTS SEAS 1-3 SWELLS N-NE 5-7FT (15SEC) SKIES MOSTLY CLDY CURRENTS FROM S @ 0.2KTS.
T+24: WINDS ENE-ESE 13-18KTS SEAS 2-3 SWELLS N-NE 5-7FT (9SEC) SKIES PRTLY CLDY CURRENTS FROM SSW @ 0.3KTS.
T+36: WINDS ENE-ESE 11-16KTS SEAS 1-3 SWELLS N-NE 5-7FT (8SEC) SKIES PRTLY CLDY CURRENTS FROM ESE @ 0.1KTS.

LL:
T: WINDS ENE-ESE 12-17KTS SEAS 1-2 SWELLS NE-E BUILD 2-6FT (5SEC) SKIES PRTLY CLDY CURRENTS FROM SSW @ 0.6KTS.
T+12: WINDS SE-E 14-19KTS SEAS 2-3 SWELLS NE-E 4-6FT (2SEC) SKIES PRTLY CLDY CURRENTS FROM S @ 0.7KTS.
T+24: WINDS E-SE 14-19KTS SEAS 3-4 SWELLS SE-E 4-6FT (3SEC) SKIES PRTLY CLDY CURRENTS FROM SSW @ 0.6KTS.
T+36: WINDS E-SE 14-19KTS SEAS 3-4 SWELLS SE-S 4-6FT (2SEC) SKIES PRTLY CLDY CURRENTS FROM SSW @ 0.6KTS.

RR:
T: WINDS ENE-ESE 11-16KTS SEAS 2-3 SWELLS NE-E 5-7FT (3SEC) SKIES PRTLY CLDY CURRENTS FROM S @ 0.3KTS.
T+12: WINDS ENE-ESE 12-17KTS SEAS 1-3 SWELLS NE-E 4-6FT (4SEC) SKIES PRTLY CLDY CURRENTS FROM SE @ 0.4KTS.
T+24: WINDS E-SE 12-17KTS SEAS 1-3 SWELLS NE-E 4-6FT (3SEC) SKIES PRTLY CLDY CURRENTS FROM S @ 0.4KTS.
T+36: WINDS E-SE 13-18KTS SEAS 1-3 SWELLS NE-E 4-6FT (3SEC) SKIES PRTLY CLDY CURRENTS FROM SSE @ 0.4KTS.

* WINDS AND SEAS HIGHER IN SQUALLS