Convective Discussion:
Upper low at 500mb will continue to move eastward to the Grand Banks later today. The St John’s west sounding is indicating some mid-level instability which is producing weak shower activity over eastern portions of the island. In the cold pool, the weakening available energy is extending to 500mb where temperatures are around -25 to -30. Given these conditions, there is a slight risk of an isolated CB/ACB east of the island during the next few hours.
An upper ridge over western Quebec will continue to build over the rest of the Atlantic provinces maintaining fair weather conditions through Monday.
Regional Impacts:
Newfoundland and Labrador: No thunderstorms expected.
Prince Edward Island: No thunderstorms expected.
Nova Scotia: No thunderstorms expected.
New Brunswick: No thunderstorms expected.
Jean-Marc