ARC WEATHER 17/12 0600Z - FORECAST UPDATE #23

Synopsis: Broad weak inverted trough of low pressure extends N towards 25N from near 17N between 60W and 45W this morning. Trough will deepen and extend NNE towards 30N while remaining largely in place through tomorrow evening.

Conclusion: Winds will be highest across SE grid RR this morning, then ease uniformly through this evening and tomorrow morning as forecast. Squall activity at this time based on latest satellite imagery is fairly isolated, and is forecast to remain as such today and tomorrow.

T = 17/12 0600 UTC

ISOLATED SHWRS/SQUALLS FORECAST FOR ALL TIMES*

RR FORECAST:
T:WINDS NE-E 11-16KTS SEAS 2-3 SWELLS ENE-ESE 3-5FT (2SEC) SKIES PARTLY CLOUDY CURRENTS FROM NE @ 0.5KTS.
T+12:WINDS NE-E 09-14KTS SEAS 2-3 SWELLS ENE-ESE 4-6FT (3SEC) SKIES PARTLY CLOUDY CURRENTS FROM NE @ 0.6KTS.
T+24:WINDS NNE-ENE 09-14KTS SEAS 2-3 SWELLS NE-E 4-6FT (2SEC) SKIES PARTLY CLOUDY CURRENTS FROM NE @ 0.5KTS.
T+36:WINDS NE-E 10-15KTS SEAS 2-3 SWELLS NE-E  4-6FT SKIES PARTLY CLOUDY FROM NE @ 0.6KTS.

* WINDS AND SEAS HIGHER IN SQUALLS