1. When the ice jam broke and the wind dropped, the Falls returned to their former glory. 2. Also, sudden releases from ice jams that abruptly dislodge can send flood waters rushing downstream. 3. But flooding also occurred when ice jams broke, allowing rushes of deep water to inundate areas farther downstream. 4. Flooding has been exacerbated by ice jams on the Kuskokwim and Yukon rivers. 5. Ice jams continued to clog rivers in northern Maine on Friday, with water backing up into towns. 6. Ice jams can be blown up using explosives, or broken with wrecking balls and removed with heavy construction equipment. 7. In some areas, ice jams exacerbated flooding, completing the classic anatomy of a wintertime flood. 8. Its mission is to dislodge a mile-long ice jam whose mass threatens a five-span steel bridge and whose presence could cause floods upstream. 9. Lewis said towns in the Montpelier area are now working on a coordinated approach to the problem of ice jams. 10. On Friday afternoon, an ice jam near St. Francis on the St. John River broke loose. |