Mostly fair conditions with a few periods of cloudiness are forecast for this afternoon as the Atlantic high pressure dominates across the island chain. In addition, there is a chance (60%) for some localized showers.
Tropical Storm Dorian affected Saint Vincent and the Grenadines early Tuesday generating light to moderate showers, rain and thunderstorms. Rainfall accumulation of near / over 2 inches were recorded by stations across the island and there were only two reports of landslides.
A few scattered showers are possible overnight as the weak shear-line lingers across our islands with the Atlantic High Pressure System weakly maintained. Slight hazy conditions should be clearing by Monday as Tropical Storm Dorian approaches the island chain. Ahead of the Tropical Storm Dorian, lower level moisture/cloud patches could result in a few scattered showers from Sunday.
A shearline moved across the island chain overnight with occasional cloudiness and scattered showers and few isolated thunderstorm activity across St.Vincent and the Grenadines (SVG). Another shearline/trough is expected by Saturday afternoon. In the intervals fair conditions are expected as the Atlantic High Pressure System struggles to rebuild across our area. Slight hazy conditions are expected over the weekend.
A broad surface to mid-level trough lingers across the island chain with scattered showers and isolated thunderstorm activity across our islands.
Over the next few days, a couple shearlines are expected to cross the island chain with occasional cloudiness and scattered showers with marginal upper level support for thunderstorm activity across St.Vincent and the Grenadines (SVG).
A broad surface to mid-level trough is expected to cross the island chain bringing scattered showers with isolated thunderstorms across our area, St.Vincent and the Grenadines (SVG) this afternoon with a few showers possible on Wednesday.
By late Thursday, a couple shearlines should start crossing the islands ahead of the next tropical wave resulting in occasional cloudiness and showers with limited upper level support.
Mostly fair weather is expected across St. Vincent and the Grenadines (SVG) during the next 24 to 36 hours, as the Atlantic high pressure system continues to be the dominate feature. However, patches of low level clouds moving along an easterly wind flow are likely to generate occasional isolated showers.
Unstable conditions associated with the passage of a weak low level trough will continue to produce cloudy conditions and shower activity across St. Vincent and the Grenadines during the next 6-12 hours.
Overnight, unstable conditions associated with the passage of a tropical wave generated showers and thunderstorms across potions of Saint Vincent and the Grenadines (SVG). A gradual improvement in the weather conditions can now be expected, as the Atlantic High Pressure System re-establishes itself across the Lesser Antilles. However, patches of low level clouds moving along an easterly wind flow could result in occasionally cloudy skies and a few passing showers.
The Atlantic High Pressure System will remain the dominant feature across the island chain during the next 24 hours, generating breezy conditions along with brief occasional showers.
By Wednesday, a tropical wave moving near 17 mph (27 km/h) is expected to affect potions of the Lesser Antilles including SVG. Due to dry Saharan dust haze around the environment of the wave, showers are expected to be occasional, and light to moderate in intensity.