Falling Ice Blocks from Sky – A Case Study

Abstract

There are a large number of reports and documented proof from all around the world that huge blocks of ice are falling from the sky. These are called as megacryometeor. The burning question is from where do these come?  Under what conditions are these formed? These questions have been addressed by many researchers. The historical record of ice falls indicates that these cases were very rare in the pre-aircraft invention era. The frequency of megacryometeor hitting the earth suddenly increased in the post aircrafts invention era. These environmental problems may be either natural or due to direct/indirect interference of technological problems. An in-depth analysis of these events as a whole indicates that different types of ice falls correspond to different extra-terrestrial/ terrestrial formation scenarios. These can also be attributed to aircraft icing which occurs when super-cooled water droplets strike an aircraft whose temperature is colder than 0°C. Consequently, it is necessary to investigate case specific differentiation criteria which include compositional characterization of the ice. Practically such cases have been reported from Australia, Canada, India, Italy, Japan, Mexico, New Zealand, South Africa, Netherlands, UK and USA. A similar incident of blue green colored ice fall was reported in the National Capital Territory of Delhi, India (28°31'02"N Latitude and 77°27'11"E Longitude). The sample of the same were collected and analyzed. The results show that it has been formed by wastewater from aircraft lavatories. Further the site where the ice blocks have fallen is located below the air route also categorizes the present case as an aviation problem.