Regional Impacts
Newfoundland and Labrador… low risk of isolated thunderstorms over central Newfoundland, heavier downpour potential in thunderstorms.
New Brunswick… a chance of thunderstorms with locally heavy downpours.
PEI and Nova Scotia… low risk of isolated thunderstorms, heavier downpour potential in thunderstorms.
Convective Discussion
A weak surface trough could potentially trigger thunderstorms over New Brunswick and possibly Newfoundland. Dew point temperatures above 16°C will support convective development; however, overall updraft strength is expected to remain modest, with deep but relatively thin CAPE.
Similar to yesterday, smoke aloft may negatively impact solar insolation, potentially delaying or even suppressing convection altogether. If thunderstorms do develop, there is some potential for locally heavy downpours, with rainfall rates possibly exceeding 30 mm/h. There is also a low chance that storms could back-build if they become established.
Thunderstorm Outlook for Today
Thunderstorm Outlook for Tomorrow (No thunderstorms expected)
Mel Lemmon
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