2012 is warmest year EVER so far as recent heatwave caps off hottest 12 months on record

http://www.dailymail.co.uk/news/article-2171206/2012-warmest-year-EVER-far-recent-heatwave-caps-hottest-12-months-record.html

By Daily Mail Reporter

PUBLISHED: 17:43 EST, 9 July 2012 | UPDATED: 17:43 EST, 9 July 2012

The sweltering heatwave of the last few weeks helped make this year the hottest on record so far, officials revealed today.

The last 12 months also have been the warmest in the continental United States since modern record-keeping began in 1895, according to the National Oceanic and Atmospheric Administration.

Every state except Washington had warmer-than-average temperatures for the June 2011-June 2012 period.

The national average temperature over that period was 56 degrees, 3.2 degrees higher than usual.

Drought: This year's record-breaking temperatures have damaged cropsDrought: This year’s record-breaking temperatures have damaged crops

The recent blistering heat broke records across much of the U.S., threatening the Midwest’s corn crop and helping to fan destructive wildfires.

June was two degrees warmer in the lower 48 states than the 20th-century average, but still just the 14th hottest June in the record books, NOAA’s National Climatic Data Center said in its ‘State of the Climate’ report.

More than 170 all-time warm records were broken or tied during June’s second half.

Temperatures in South Carolina and Georgia of 113 and 112 degrees respectively are under review as possible all-time statewide temperature records.

Fire: The devastating blaze in Colorado is one result of the recent heatwaveFire: The devastating blaze in Colorado is one result of the recent heatwave

The record-high temperatures are in line with a long-term warming trend in the 48 contiguous states, said Jake Crouch, a scientist at the National Climatic Data Center.

Climate change spurred by carbon dioxide emissions may not be the primary cause, but these extreme conditions are consistent with what scientists see as a ‘new normal,’ Mr Crouch said.

‘It’s hard to pinpoint climate change as the driving factor, but it appears that it is playing a role,’ he added. ‘What’s going on for 2012 is exactly what we would expect from climate change.’

This past month was also the 10th driest June, with drought spreading to 56 per cent of the contiguous U.S. states, up from 37.4 per cent in May, making it the largest drought footprint of the 21st century.

Flood: Tropical Storm Debby gave Florida its wettest June since records beganFlood: Tropical Storm Debby gave Florida its wettest June since records began

The heat and drought put pressure on the corn crop, with analysts suggesting that the Department of Agriculture should lower its yield forecast in a monthly report due on Wednesday.

In early June, before the highest temperatures hit the U.S. grain belt, USDA forecast a record-large yield of 166 bushels per acre. Since then hot, dry weather has baked much of the corn-growing region just as the crop was starting pollination, the key growth phase for determining yield.

Wildfires claimed 1.3million acres, mostly in the West, the second-largest area to be charred during any June on record.

But it wasn’t all dry. Tropical Storm Debby dumped so much rain during its slow pass across Florida that the state’s monthly statewide precipitation total for the month was 13.16 inches, or 6.17 inches above average, making it Florida’s wettest June on record.

Maine, Oregon and Washington state each had a top-10 wet June.

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Posted on July 9, 2012, in Earth Changes / Extreme Weather, Science / Technology and tagged , , , , , , . Bookmark the permalink. Leave a comment.

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