Winter Storm Basics: Essential Information for Preparedness

Winter storms are severe weather events characterized by freezing temperatures and various forms of precipitation, including snow, sleet, freezing rain, or a combination thereof. These storms can pose significant threats to life and property, making preparedness essential.

What Are Winter Storms?

A winter storm is a meteorological event where precipitation falls as snow, sleet, or freezing rain, often accompanied by strong winds and low temperatures. These conditions can lead to hazardous travel, power outages, and health risks. (scied.ucar.edu)

Types of Winter Storms

Winter storms encompass various phenomena, each with distinct characteristics:

• Snowstorms: Precipitation falls as snow, leading to accumulation and reduced visibility.

• Blizzards: Severe snowstorms with strong winds (35 mph or greater) and low visibility (less than 0.25 mile) lasting at least three hours. (wunderground.com)

• Ice Storms: Freezing rain accumulates on surfaces, creating hazardous conditions.

• Lake Effect Storms: Form when cold, dry air moves over large, warmer bodies of water, picking up moisture and depositing heavy snow downwind. (scied.ucar.edu)

Formation of Winter Storms

Winter storms develop when moist air rises into the atmosphere, cools, and condenses into precipitation. If temperatures are below freezing, this precipitation falls as snow or ice. The necessary ingredients include moisture, lift (such as mountains or fronts), and cold air. (scied.ucar.edu)

Impacts and Hazards

Winter storms can lead to:

• Transportation Disruptions: Snow and ice can make roads impassable, leading to accidents and delays.

• Power Outages: Accumulated ice can break power lines and tree branches, causing widespread outages.

• Health Risks: Exposure to cold can result in hypothermia and frostbite. (redcross.org)

Winter Storm Preparedness

To stay safe during winter storms:

• Before the Storm:

• Stay informed by monitoring weather forecasts.

• Prepare an emergency kit with essentials like food, water, medications, and warm clothing.

• Ensure your home is winterized to prevent frozen pipes. (redcross.org)

• During the Storm:

• Limit travel; if necessary, use vehicles equipped for winter conditions.

• Keep warm and avoid prolonged exposure to cold.

• Use generators safely, following manufacturer instructions.

• After the Storm:

• Check for damage and report downed power lines.

• Clear walkways and driveways to prevent accidents.

• Continue to monitor weather updates for any additional hazards. (redcross.org)

Understanding the basics of winter storms and taking proactive steps can significantly reduce the risks associated with these severe weather events.

Highlights:

• Winter Storm Preparedness & Blizzard Safety | Red Cross