EXTREME WEATHER EVENT
Heavy snow affects 18 States in Midwest, Northeast
About 53 percent of the continental U.S. was covered by snow, including all or parts of 18 states in the Midwest and Northeast exactly a week before the first official day of winter.
Heavy snow prompted authorities in dozens of counties, cities and towns across Midwest and Northeast to declare snow emergencies. The snowstorm trekked more than 1,000 miles across the Midwest on Saturday and into the Northeast states overnight, affecting every major city, town and rural area in the region. States affected include Missouri, Illinois, Wisconsin, Indiana, Michigan, Ohio, West Virginia, Virginia, Maryland, New Jersey, Pennsylvania, New York, Connecticut, Massachusetts, Rhode Island, Vermont, New Hampshire, and Maine.
Snow Cover by Region [December 15, 2013]
- Continental U.S.: 53.0%
- Northeast: 99.1%
- Midwest: 61.3%
- Allegheny Front: 99.6%
- Northern Great Lakes: 100%
- Southern Great Lakes: 100%
- Southern Appalachia: 23.3%
- Upper Midwest: 95.5%
- Great Basin: 77.7%
- Northwest: 50%
- Intermountains: 81.4%
- Northern Rockies: 95.5%
- Sierra Nevada: 54.0%
Map of National Snow Cover. Source: nohrsc.noaa (Animate: Season – Two weeks – One Day)
Flight Delays and Cancellations
Extreme Weather Events have forced thousands of flight cancellations as well as very many delays.
- Total flight cancellations within, into, or out of the United States so far this week: 8,141
- Total flight cancellations globally: 11,609
- Total flight delays this week: 100,373 -source: FlightAware