By Michael Kuhne, AccuWeather.com Staff Writer
March 5,2015; 9:30PM,EST
The frigid air that has gripped much of the eastern U.S. from Jan. 1 to Feb. 20 helped to boost natural gas consumption 4 percent over last year for the Northeast, Southeast and Midwest, according to a recent update from the U.S. Energy Information Administration.
"Since the start of the year, record cold temperatures and significant snowfall have occurred in the eastern half of the country," the administration reported. "Long-standing temperature records tumbled east of the Rockies, and cumulative heating degree days from Jan. 1 through Feb. 20 equaled 2,220, 11 percent more than normal."
Ice collects on the Delaware River in view of Philadelphia, Friday, Feb. 20, 2015, in Philadelphia. (AP Photo/Matt Rourke)
A heating degree day is a measure of how cold a location is over a period of time relative to a base temperature, most commonly 65 F.
In order to determine the average for the day, the sum of the maximum temperature and lowest temperature of the day is divided by two and compared to the base temperature, AccuWeather.com Meteorologist Dave Dombek said.
Heating degree days are used in energy analysis as an indicator of space heating energy requirements or use, according to the administration.
Chicago was buried under snow on Sunday, Feb. 1, 2015. (Instagram Photo/@smrchicago)
Though it is unusual for a polar vortex to play a major role in two consecutive winters, the polar vortex has had a greater influence than usual for the 2014-15 winter season, bringing record cold to the Midwest and East yet again.
A polar vortex is a large pocket of very cold air, which sits over the polar region much of the winter but is occasionally pushed down into Canada and the U.S.
Due to the increased arctic air, record low temperatures were shattered in Chicago, New York City and from Washington, D.C., to Orlando, Florida, this year. AccuWeather's winter forecast, which was released in October, pinpointed the return of brutal cold for these areas months in advance.
In addition to natural gas consumption, propane and heating oil has seen increases in demand and price in portions of the eastern U.S. during the same time period, according to a separate EIA report.
The polar vortex played a role in several key events this winter, including the late-January blizzard that impacted much of New England and the severe cold prevalent throughout the Northeast in February.
While residents in the East battled against the arctic chill and relentless snow and ice, much of the western U.S. saw warmer weather than usual.
A gas station in Henderson, North Carolina, suffered severe damage from the heavy snow and ice. (Twitter Photo/Danny Wilkerson)
RELATED:
AccuWeather.com Winter Weather Center
Northeast Regional Radar
AccuWeather Winter Forecast Predicted Polar Vortex's Return in East, Persistent Drought in West
Areas of the Pacific Northwest had the early signs of spring in late February as cherry blossoms began to bloom weeks early in parts of Vancouver, British Columbia, and Seattle.
"Seven states have reported average temperatures for the month of January in the top 10 warmest on record, with cumulative [heating degree days] since the beginning of the year totaling 922, 25 percent under normal," the EIA reported.
The states include California, Idaho, Nevada, Oregon, Utah, Washington and Wyoming.
"A large ridge of high pressure along the West Coast has kept all polar and arctic air well to the east of the Northwest," AccuWeather.com Western Weather Expert Ken Clark said. "This has brought some incredibly warm temperatures this month of February."
Natural gas consumption was also down by 9 percent compared to last year for the Northwest, Southwest and Rockies, the EIA reported.
The West Coast has suffered in a different way this winter, with a significant dry period in the middle of winter book-ended by stormier weather.
As of late February, the U.S. Drought Monitor indicated levels of "exceptional drought," or the most severe type of drought indicator, throughout much of the West and California.
Because the polar vortex became stronger and moved farther south in late January, it caused cold to intensify in the Midwest and East and drought to build in California and the West.
"The Southwest and California have had mild temperatures and some rain in December and February, though not enough to make a major difference in the drought," AccuWeather Lead Long-Range Forecaster Paul Pastelok said.
Steve Wolf · Top Commenter · Alpha Dog at Dog Training
Hmmm,
I thought for SURE that I'd have seen at least a few climate deniers
commenting to this using the old saw, "Welp.....so much fer global
warmin'". That's because.....you know.....CLIMATE CHANGE deniers are so
short sighted and don't usually bother reading the second half of the
article about the warmth in the western US.......not to mention
believing that ONE cold winter in ONE part of the world can refute years
of scientific study and FACTS given by predictive analysis.
The WEATHER will always be changeable and winters will still have snow and cold. It is the CLIMATE which continues to get warmer.....like 2014 which had a very cold winter in the northeast part of the US, but was the warmest year ever recorded globally.
The WEATHER will always be changeable and winters will still have snow and cold. It is the CLIMATE which continues to get warmer.....like 2014 which had a very cold winter in the northeast part of the US, but was the warmest year ever recorded globally.
Joe Bicknell
Long
term projections appear to move the grain belt north as well as slow
grain production in western corn belt. The last part will be determined
by available water from nature and declining aquafers.
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