ARC WEATHER 18/12 0600Z - FORECAST UPDATE #24

Synopsis: Latest satellite imagery shows very isolated Squalls/showers across E grid RR this morning, moving E away from the grid. Broad inverted trough of low pressure extends NNE towards 27N from 17N between 60W and 41W this morning. Weak cut-off low will form across N portion of this trough through the day tomorrow, however, the trough itself will remain largely unchanged south of 20N through tomorrow night.

Conclusion: Generally benign conditions persist today, with winds increasing slightly across E RR tomorrow afternoon into the evening. Squalls/showers are forecast to remain isolated through today and tomorrow.

T = 18/12 0600 UTC

ISOLATED SHWRS/SQUALLS* AT ALL FORECAST TIMES

RR FORECAST:
T:WINDS NE-E 09-14KTS SEAS 2-3 SWELLS NE-E  3-5FT (2SEC) SKIES PARTLY CLOUDY CURRENTS FROM SE @ 0.5KTS.
T+12:WINDS NE-E 09-14KTS SEAS 2-3 SWELLS NE-E 4-6FT (3SEC) SKIES PARTLY CLOUDY CURRENTS FROM E @ 0.5KTS.
T+24:WINDS ENE-ESE 11-16KTS SEAS 2-3 SWELLS NE-E 4-6FT (3SEC) SKIES PARTLY CLOUDY CURRENTS FROM E @ 0.5KTS.
T+36:WINDS ENE-ESE 12-17KTS SEAS 2-3 SWELLS NE-E 5-7FT (4SEC) SKIES PARTLY CLOUDY CURRENTS FROM ESE @ 0.7KTS.

* WINDS AND SEAS HIGHER IN SQUALLS