Convective Discussion
There are residual low clouds associated with a departing low pressure system east of Newfoundland. Elsewhere across the Atlantic provinces, the upper ridge continue to prevail today preventing any convective cloud to form.
Two upstream systems may impact the parts of the region in the medium term:
A frontal wave over northwestern Quebec will advance towards western Labrador tonight and Wednesday bringing a slight risk of thundershower;
Another frontal wave, over the Gulf stream will push a humid air mass over Nova Scotia offshore waters bringing scattered thundershowers along with a chance of downpours and locally gusty winds.
Regional Impacts
Newfoundland: Nil
Labrador: Slight risk of thundershowers early Wednesday
NB and PEI: Nil
NS: Downpours and higher gusts near thundershowers for offshore waters
Jean-Marc