What you need to know

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Nuclear power plants use the heat generated from nuclear fission to convert water to steam to produce electricity.
Terrorism can take the form of explosive devices, active shooter incidents, or biological, chemical, radiological/nuclear, or cyber attacks.
A hazardous materials incident occurs when a hazardous chemical that may harm people’s health has been released.
Tornadoes are nature's most violent storms, with whirling winds that can reach 300 mph.
Power outages are short- or long-term loss of electric power.
A drought is generally defined as a period of below-average precipitation in a given region, resulting in prolonged shortages in water supply. Droughts can last for months or years, and can have major impacts on the environment, ecosystem and agriculture.
Nor’easters and coastal storms have the power to cause widespread devastation, and can affect both coastal and inland areas.
Winter storms in New England can range from freezing rain and ice, to a moderate snowfall over a few hours, to blizzard conditions with blinding wind-driven snow that can last several days.
Extreme cold is generally defined as a prolonged period of excessively cold weather. Extreme cold conditions are often, but not always, part of winter storms.
What is Extreme Heat?
A thunderstorm comes from rain-bearing clouds that also produce thunder and lightning. All thunderstorms produce lighting and therefore are dangerous.
Both Tropical Storms (with winds above 39 mph) and Hurricanes (winds above 74 mph) can have deadly coastal storm surge and cause significant damage.
Flooding is a leading cause of death in many disasters. Learn how to prepare for a flood, stay safe during a flood, and protect your health when you return home after a flood.
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