Weather Outlook 30th January 2019 (12 noon)

Yesterday-Tuesday was noticeably dry and stable with very good visibility across our islands. During the night into early morning Wednesday, increasing cloudiness with few showers were experienced across mainland St. Vincent. The lingering low pressure area in the Atlantic has been filling to troughs but continue to propagate low level shearline/troughs, thus occasional scattered showers are possible across our

islands this afternoon into tonight. The current shearline should push south of the Grenadine Islands during tonight. Meanwhile, the Central Atlantic High Pressure System which has been struggling to rebuild could gain dominance during Thursday. Dry conditions remain above 850mb (4800ft) which inhibits shower activity, but few scattered showers are possible from late Thursday into early Saturday, due to lower-level troughs pushing moisture across the region. Behind the relatively dry trough-axis on Saturday, moisture is expected to converge across the region with few showers again during Saturday night.


Expect gentle to moderate (10 - 25km/h) breeze this afternoon and varying directions due to passage of the lower level shearline/trough. Wind speeds should increase to fresh (up to 40km/h) overnight as the Atlantic High Pressure rebuilds, but occasional reductions to gentle breeze can be expected during Saturday with the passage of another trough.
Slight to moderate (1.0 – 2.0m) sea swells originating from north north-east are expected across St. Vincent and the Grenadines over next few days. Wave heights could peak near 1.2m on the west and near 1.8m on the east coasts.

Barometric readings should fluctuate between 1013 - 1018mb with the presence of a stationary front in the Western Atlantic, a couple troughs in the Central Atlantic and the High Pressure System in the North-central Atlantic. 

No significant dust concentrations are expected across our area over the next few days...JMCD

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