For the last couple of days the remnants of hurricane Isaac have been meandering across the Ohio Valley and over the next 36 hours it will track to the northeast and bring us the chance for showers and thunderstorms.
Ahead of this low, our winds have been out of the southeast so we are already importing moisture from the Atlantic Ocean. You may have already felt the more humid nature to the air on Labor Day. With the remnants of Isaac getting closer to us tomorrow we should stay on the humid side and our chances for showers or thunderstorms will increase. With humidity levels on the increase, we’ll need to consider the threat for heavy rain and/or downpours, especially tomorrow night
As the low moves east of the region Wednesday, showers will come to an end. Winds will also shift into the northeast and northwest which will bring drier air into the region. Consequently, we should find improving weather Wednesday afternoon. Another system, a cold front, is forecast to arrive late Thursday. Ahead of the cold front, a surge of warm air will move into Central New York. As the cold front arrives, with the warm air in place, scattered showers and thunderstorms are possible.
Things look a bit unsettled for the weekend. Thursday’s cold front will stall not too far to our south. Meanwhile, a storm system in the upper atmosphere will form somewhere over either the Ohio or Tennessee Valley. The counterclockwise flow around this low will bring moisture back north where it will interact with the stalled front. The confidence in the details is still low at this point but plan on at least scattered showers and thunderstorms from Saturday into Monday next week.