Strong thunderstorms are expected across the Upper Northeast through the morning. Isolated strong thunderstorms are also possible for portions of the Central Plains and Southeast. Heavy showers and thunderstorms will continue across Arizona,

Current NWS Advisories/Watches/Warnings in iMapPro:

Thunderstorms currently in New England will make their way through the Upper Northeast by late morning. Some storms could contain wind gusts to 40-50 miles per hour, but no severe activity is expected. Thunderstorms along a warm front across the Central Plains will have the potential for some large hail, but widespread severe weather is not expected due to limited forcing. A weakening cold front across the Southern US will continue to produce thunderstorms. Activity ongoing and further development will have the potential for wind gusts of 40-50 miles per hour with isolated gusts to 60 miles per hour. Across Arizona, the remnants of Tropical Storm Simon will bring heavy rain and thunderstorms. 2-3 inches of new rain, with locally higher amounts, will be possible.

Wednesday's hazards and frontal analysis