Along the Eastern Seaboard, a rare September nor'easter moves through the Atlantic with uncertain intent, reminding coastal communities that nature does not always follow the calendars we assign it. These storms belong, by tradition and meteorology, to the colder months — yet here one stirs while summer's warmth still holds the land. Forecasters watch closely, their models disagreeing, as residents from Virginia to New York are asked to practice the oldest of human disciplines: patient, attentive waiting.