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down a mountainside. 2. A massive or overwhelming amount;
a flood: “I received an avalanche of mail.”
Over the past year, there have been disasters all around the world: the Iranian earthquake near Bam, killed over 20,000 and injured more than 50,000; China gas well disaster killed 191; landslides in the Philippines resulted from the heaviest rainfall in the past 25 years; heavy rains in France forced the evacuation of 15,000 and left 250,000 without drinking water; the European heat wave killed thousands.
Closer to home in the United States, the wildfires of Southern California ravaged 800,000 acres and displaced more than 100,000 people, with damage estimates that exceeded $12 billion; Hurricane Isabel struck the East Coast, killing at least 40 people in seven states and leaving 4.5 million people without electricity and damage estimated at over $1 billion; seven days of ravaging storms struck from Kansas to Tennessee, killing more than 40 people and obliterating entire neighborhoods; a Rhode Island night club fire killed 100 people and injured more than 180; the Space Shuttle Columbia broke up over several states, resulting in the loss of its seven astronauts; 100-year floods occurred more frequently.
On 9/11, the U.S. experienced the worst terrorism in history with attacks on the World Trade Center and the Pentagon and a foiled attempt on the U.S. Capitol that resulted in a plane crash in Pennsylvania. In 2002, sniper attacks involved three states and closed down numerous roads.
What did all of these events have in common? They were catastrophic or extraordinary events that produced a wave of cascading communications. As experienced many times, one of the first systems to become overwhelmed is the public telephone system. With that in mind, imagine the reliability and enormity of our national telephone network; it is mind-boggling that such a reliable system can be overloaded during catastrophic events, severe weather or other significant event nonetheless.
These cascading waves of communication begin by the initial call to 911 centers. Today, with all of the wireless and landline telephony, 911 centers are bombarded – and sometimes overwhelmed – with repetitive reports of incidents, especially those that are significant, highly visible and in large population centers.
Next comes the simultaneous dispatch of public safety first responders (fire, EMS and police). Within each of these disciplines there will be multiple-unit responses. In severe cases, there will be requests for mutual aid units and more dispatches will occur. Each mutual aid responder will also be seeking to communicate with the incident commander, as will all of the initial responders.
If the incident is of a magnitude that requires evacuation, sheltering or special resources, or it’s a terrorist event, an entirely new element is added with another multitude of notifications and communications. Emergency managers, appointed/elected officials, transportation, health care providers, medical centers, shelter managers, other support agencies, and state and federal agencies will produce another cascading wave of communications. Interagency communications add complexity and demand to the scenario. Now add in the news media and you begin to see the inter workings of managed chaos.
The point of this overview is to identify that adequate planning, practice and understanding of how communication systems will function, system capacity and how agencies will communicate is critical. Failure to adequately plan and practice will often lead to the “avalanche effect,” where responders succumb to being buried or overwhelmed by unmet communications demands. Keep in mind that even the best radio communications systems and the best planning will probably not overcome the initial surge, but these basic steps will help to reduce the severity of the “communications avalanche” and speed up recovery. In many cases that have been repeatedly demonstrated, no one single communications system will be adequate to fulfill these communication demands.