Regional Impacts
Today: Isolated thundershowers possible in parts of NS, and central and northern parts of NB and across parts of Labrador. Embedded in nature, non-severe.
Tonight: No thundershowers forecast. Stable.
Tomorrow: Chance of a thundershower over eastern NS and parts of Nfld. Embedded, non-severe.
Convective Discussion
With Fernand churning well offshore, a weak trof is located across the Maritimes, and another is cutting thru upstate NY. In clearing, and not in forest fire smoke, an area of instability exists with low to moderate skinny CAPE, and 10-20kts of effective shear this afternoon. There is substantial jet support out of the SW at 250mb of 140kts. The ingredients are in play much like yesterday to produce some -TS. Moisture remains low however, so large rainfall amounts are not forecast. This broad forcing progresses tomorrow to affect eastern NS and parts of Nfld as depicted. A sharper sfc trof is located across southern Labrador today and will also bring a chance of lightning and a few showers.
Thunderstorm Outlook for Today
Thunderstorm Outlook for Tonight
Thunderstorm Outlook for Tomorrow
Forecaster: Tirone.
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