“Eventually, it will be a concern,” said Alicia Miller, who is a hydrologist with the National Weather Service in Pittsburgh. “We utilize a few different things to kind of monitor the ice,” Miller said. They can report ice jams or other problems.”People can post photos tagging the National Weather Service of Pittsburgh on its Facebook and Twitter pages, or by going to www.weather.gov/pbz/reports to submit online reports. “We would love to have people keeping an eye on it because ice is unpredictable and things could change,” she said. “Watch for ice movement, report it to the authorities and report it to us.