History of the discovery of ANCA (Anti-neutrophil cytoplasmic antibody) 1  In 1982, David Davies, an Australian pathologist observed that 'a subset of patients with focal necrotizing and crescentic glomerulonephritis had circulating antibodies that bound to the cytoplasm of normal neutrophils' (5, 6).
Eagles in Oklahoma . Eagles begin arriving in Oklahoma in November and early December. Their numbers peak in January and February, and most birds have left for their northern breeding grounds by the end of March. Bald eagles are sociable in winter, roosting communally in trees near a food source.
Weather. Oklahoma City enjoys a favorable, seasonally varied climate throughout the year. Summers are sunny and warm, winters are bright and cold, autumn is crisp, and springs are often wet.During the average year, skies are clear or partly sunny 65 percent of the time.Weather Statistics.klahoma City enjoys a favorable, seasonally varied climate throughout the year. Summers are sunny and warm, winters are bright and cold, autumn is crisp, and springs are often wet.