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Thursday, June 28, 2018

Day 2 Convective Outlook for Atlantic Canada Valid for June 29th, 2018

 

Day Two Convective Outlook

 

An increase in the low level moisture as well as a cold trough at 500 mb will act to destabilize the airmass tomorrow for central Labrador and much of the Maritimes. New Brunswick will see the highest potential for severe weather with surface CAPES over 1500 J/kg and Precipitable Water values > 30mm. It is likely that heavy downpours could become an issue  in thunderstorms and to a lesser degree there is some potential for squall line development through the afternoon which could bring strong winds as well. Areas that receive large amounts of rain tonight will be under the greatest threat should thunderstorms develop tomorrow.

 

Mel Lemmon