A large pocket of arctic air will charge south and eastward through NorthAmerica this week, sending temperatures well below normal across the easterntwo-thirds of the United States once again for the second half of the week.Unfortunately, this air mass will continue its charge into the Deep South latein the week, potentially bringing a widespread, damaging freeze to citrus fromsouthern Texas to central Florida this weekend.

Story By AccuWeather.com Senior Meteorologist Brett Anderson.