Sunday, August 17, 2025

Convective Outlook Valid for Today , Tonight and Tomorrow

Regional Impacts

Today: slight risk of an afternoon or evening thunderstorm across south/southwestern NB.

Tonight: slight risk of an embedded thundershower along the South Shore of NS.

Convective Discussion

A weakening cold front currently lying across northern NB will slide southeastward today and tonight giving just a slight risk of a thunderstorm across southern areas of the province. The better instability along with the low-level moisture will remain in southern New England but an isolated cell or 2 could advect into the southwest this afternoon giving locally gusty winds. Aside from that there will also be a slight risk of an elevated, embedded thundershower over southwestern NS tonight as the front passes through. There have been some isolated wind gusts close to 40 knots just in the wake of the front in northern ME so cannot rule out the same for some areas of northern NB today.

Thunderstorm Outlook for Today

Thunderstorm Outlook for Tonight

Thunderstorm Outlook for Tomorrow

Jeremy

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