Regional Impacts
For Labrador.. Small hail and gusty winds in thunderstorms this afternoon and this evening. Heavy downpours may occur.
For New Brunswick.. Isolated thunderstorms possible over norther New Brunswick this afternoon. No Severe Weather expected. Small Hail possible.
Convective Discussion
Labrador continues to be a main threat area today with an upper trough progressing eastward through northern Quebec. Aloft at 250 there isn’t strong support but the dynamics are somewhat more favourable as you move down through the atmosphere. Good low level shear below 500 mb could favour the development of organised thunderstorms this afternoon, possible affecting western Labrador late this afternoon and early in the evening.
Not much is expected southward in New Brunswick with somewhat dry, relatively speaking, lower levels and upper lapse rate that are not overly conducive to deep convection. However an upper trough may act to destabilize the atmosphere allowing for daytime heating and surface convergence near the northern coastlines to trigger some convection.
Thunderstorm Outlook for Day 1
Thunderstorm Outlook for Day 2
