Dry air ahead and behind yesterday’s tropical wave depleted the chance for showers/thunderstorm activity. Visibility gradually reduced last night and moderate haze remained across our area today (20 - 80 µg/m3).
A weak low-mid level trough system should cross the region tonight with a few scattered showers. The next tropical waves are moving along with dry mid to upper levels, limiting cloud build-ups/shower activity. Occasional showers are anticipated on Thursday behind the wave axis.
Dry air ahead of an approaching tropical wave should give way to increased cloudiness across St.Vincent and the Grenadines tonight, with showers and thunderstorm activity expected. Mid to upper levels should become supportive for periods of rain, occasional moderate to heavy showers and thunderstorm activity with occasional gusts by early morning Monday. Residents and motorists should be alert; as heavy rainfall may cause flash-flooding near rivers, streams and vulnerable roads…
A tropical wave is crossing the region, but embedded dry air/dust are limiting shower activity and upper levels are not totally supportive of cloud build-ups. Still, scattered showers and isolated thunderstorm activity are possible overnight into early Friday with models indicating less rainfall accumulations.
Moderate haze embedded within the tropical wave could reduce visibility across our area by early morning
A trough system is creating weak unstable conditions across the region with most of the shower activity south of Grenada (across Trinidad and Tobago). This afternoon, scattered showers and possible isolated thunderstorms could spread across our islands as the trough exits the island chain. A tropical wave should take its place, resulting in increased cloudiness, showers and thunderstorm activity by Thursday into Friday morning.
Hazy conditions should thin-out across our area this afternoon, giving way to cloudiness with showers as a tropical wave moves closer to the island chain. Pockets of moderate to heavy showers with strong gusts and thunderstorm activity can be expected tonight across the Windward Islands, including St.Vincent and the Grenadines (SVG).
A tropical wave is crossing the island chain and pockets of moderate to heavy showers with thunderstorm activity can be expected tonight across some islands. During this afternoon, our Grenadine Islands and Grenada experienced showers with some thunderstorm activity. As the wave axis crosses into the Caribbean Sea, more showers could spread across St.Vincent and the Grenadines (SVG), with occasional strong wind gusts (up to 50km/h) continuing into Saturday morning.
The Atlantic High Pressure System will remain the dominate feature across our islands during the next 6-12 hours, resulting in occasional cloudy skies and brief passing showers.
The Atlantic High Pressure system has regained dominance across our islands with fair, hazy and breezy conditions. A shear-line feature should be across our area late Wednesday, resulting in a few showers. The next tropical wave should bring showers with thunderstorm activity and models indicate rainfall accumulations
A low-level trough with weak instability is approaching the islands and scattered showers can be expected tonight into Sunday. The next tropical wave should be approaching the islands on Monday, with showers increasing early morning Tuesday and possibly accompanied by strong winds (30 - 50km/h with occasional higher gusts), periods of rain, and isolated thunderstorms. A patch of Saharan dust is moving along with this tropical wave which could limit showers and reduce visibility across our islands (SVG). The situation would be monitored,
The Atlantic High Pressure System is becoming the dominant feature across our islands, with breezy conditions, slight haze and a few showers due to a wake cloud between Barbados and mainland St.Vincent. A low-level trough with weak instability could result in a few scattered showers late Saturday into Sunday. The next tropical wave should be approaching the islands on Monday,