Cloudy to overcast skies , moderate Saharan dust concentrations and varying volcanic ash concentrations should persist across St. Vincent & the Grenadines over the next few days. In addition, thunderstorms associated with ash clouds from explosive eruptions are highly likely. All persons are advised to exercise extreme caution and to adhere to the protocols set by the Ministry of Health with respect to poor air quality. An approaching shear-line could trigger some showers on Sunday, whereas equatorial moisture may instigate some moderate shower activity on Monday and parts of Tuesday.