Wind and rain can cause fallout to spread far away from the blast site. You’d need to immediately get in a fallout shelter to avoid getting poisoned. The radioactive debris then falls back to the earth, contaminating everything it touches. The fireball would shoot miles into the atmosphere – pulling dirt and debris with it. On January 1, 1997, EBS was replaced by the current Emergency Alert System (EAS), which is essentially EBS plus cable TV and satellite TV and radio.If a nuclear bomb were to hit, the blast would create a massive fireball which would vaporize everything nearby. Effective August 5, 1963, CONELRAD was replaced by the Emergency Broadcast System (EBS), under which most AM, FM, and TV stations would remain on the air in the event of an emergency, but would switch over to official news and information. Radios sold in the United States from 1953 to 1963 were required to display the triangular Civil Defense symbol on their dials at those frequencies. Selected AM stations would then air official information and instructions to the public on the 6 frequencies on the AM dial. Under CONELRAD, most AM radio stations and all FM radio and TV stations in the United States would go off the air in the event of a national emergency. CONELRAD - which stood for Control of Electromagnetic Radiation - was a Civil Defense radio system that went into effect on December 10, 1951. Early in the story, Paul tells the adults that their TV set has gone blank and that the viewers have been told to tune into the CONELRAD stations.
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