February 2, 2011

A massive snowstorm hit large portions of the United States, affecting about a third of the country. It disrupted transportation and led to widespread power outages.


Chicago, United States | National Weather Service

Watercolor painting based depiction of A massive snowstorm hit large portions of the United States, affecting about a third of the country. It disrupted transportation and led to widespread power outages. (2011)

The February 2, 2011 Groundhog Day Blizzard

On February 2, 2011, a formidable winter storm, often referred to as the “Groundhog Day Blizzard,” swept across large segments of the United States, affecting approximately one-third of the country. This storm had a significant impact on transportation, power supply, and daily life across numerous states.

Build-up and Impact

Originating as part of a larger system that traveled from the Rocky Mountains across the Midwest and into the Northeast, the storm intertwined with another weather system from the South, creating extensive precipitation and severe weather conditions. The blizzard dumped heavy snow across the Midwest and Northeast, while even parts of the South experienced unusual ice storms.

Transportation Disruptions

Transportation networks were severely affected:

  • Air Travel: More than 13,000 flights were canceled over several days due to unsafe flying conditions.
  • Ground Transportation: Many major highways and roads were impassable, leading to accidents and delays. Cities like Chicago bore the brunt of the storm; the city recorded approximately 21.2 inches of snow, making it the third-largest snowfall in its history.

Power Outages and Damage

The weight of the snow and ice accumulation led to widespread power outages:

  • Approximately 375,000 households were left without electricity, primarily across the Central United States due to downed tree limbs and damaged power lines.
  • In addition to power outages, numerous structures suffered roof collapses from the heavy snow load, and significant property damage occurred in several areas.

Broader Consequences

The aftermath of the Groundhog Day Blizzard continued to affect communities for weeks:

  • Economic Impact: The storm caused an estimated $1.8 billion in damages and losses, affecting retail businesses and causing delays in shipping and supply chains.
  • Emergency Responses: Various states declared emergencies to better manage resources and aid during and after the storm, coordinating efforts to restore power and clear major transportation routes.

Historical Context

This event was part of a particularly harsh winter season in the United States during 2010-2011, known for its numerous severe weather incidents. The Groundhog Day Blizzard is often cited as one of the most significant blizzards in recent U.S. history due to its expansive geographical reach and the extent of its impact on daily life.

The 2011 blizzard serves as a reminder of the formidable power of natural phenomena and the importance of preparedness and resilient infrastructure in mitigating the effects of such widespread weather disturbances.

Source: www.weather.gov