A late frost threatens vineyards across Western North Carolina, potentially damaging newly emerging buds and impacting this year's grape harvest, according to local growers. The National Weather Service has issued a frost advisory for Buncombe County and surrounding areas, effective from midnight to 9 a.m. Tuesday, according to the agency. Forecasters predict temperatures could dip into the low 30s, potentially creating hazardous conditions for sensitive vegetation. The timing is especially conc