72 Hours Outlook

The Western Atlantic High Pressure is gaining dominance across the Leeward and Northern Windward Islands, but a deep ‘cut-off low’ pressure area is deepening in the Central Atlantic creating instability across the southernmost section of the island chain. This ‘cut-off low’ feature, could create favourable mid to upper level (tropical upper tropospheric trough-TUTT) support for shower activity across the southernmost islands as weak troughs propagate across the island chain. Occasional cloudiness and showers across St. Vincent and the Grenadines (SVG) could spike with shower activity late Saturday

Read more …