1. A cluster of showers and storms will also affect the Middle West as an approaching jet stream disturbance augments the ascent of humid air covering the region. 2. A few of the thunderstorms could be severe across New England and upstate New York where a jet stream disturbance augments the ascent of the sultry air. 3. By Thursday, many of these storms will turn severe as a potent disturbance augments the ascent of the humid air. 4. Isolated thundershowers may also form as a jet stream disturbance passing overhead augments the ascent of a moistened air mass. 5. Several thunderstorms also erupted as a potent jet stream disturbance passing overhead augmented the ascent of the humid air. 6. The rain may turn briefly heavy near the Northeast seaboard in the afternoon as a jet stream disturbance augments the ascent of moist air from the Atlantic Ocean. 7. The showers will produce locally heavy rain, especially in southern sections where a slow-moving front augments the ascent of the sultry air. |