National Weather Service Cleveland issues black ice warning Watch the latest update from Traffic Anchor Jamie Sullivan and Meteorologist Jeff Tanchak in the video below. 19 Traffic Alert - 4/22/2021 By Avery Williams | April 22, 2021 at 5:45 AM EDT - Updated April 22 at 7:33 AM CLEVELAND, Ohio (WOIO) - The National Weather Service of Cleveland is urging drivers to practice caution Thursday morning due to black ice. Wet pavement from Wednesday night snow created black ice, the National Weather Service said in a warning posted to Twitter. Wet pavement from last evening's snow has allowed for formation of black ice in some spots around the CLE metro this morning. Please exercise caution if traveling before sunrise, especially on elevated surfaces such as bridges, overpasses, and ramps. #OHwxhttps://t.co/qeC5w6BZNA— NWS Cleveland (@NWSCLE) April 22, 2021