Sentences with phrase «cold air outbreak»

The 1912 United States cold wave (also called 1912 cold air outbreak) remains one of the coldest winters yet to occur over the northern United States.
When someone says that climate science shows that the latest cold air outbreak was partly driven by climate change, people need to know what's wrong with that statement.
A tornado is an extreme event, but one whose causes, sensitivity to change and impacts have nothing to do with those related to an ice storm, or a heat wave or cold air outbreak or a drought.
The cold air outbreak of the next few days is nothing unusual, and neither inconsistent with an overall picture of a warming world, nor evidence that global warming is making cold weather more extreme.
A report from Climate Central's World Weather Attribution team analyzed the current cold air outbreak for signs of a climate change signal, indicating:
Even a short - term cold air outbreak in December could cause 2015 to drop out of the top 5 warmest.»
They can also explain more than half of the warming recorded over the Antarctic Peninsula, because «anomalously strong westerlies should act to decrease the incidence of cold air outbreaks from the south and lead to increased warm advection from the Southern Ocean.»
Thus instead of a strong zonal wind that keeps cold polar air locked in the Arctic, there is a tendency for a less zonal flow and thus more cold air outbreaks to middle latitudes.
Thus instead of a strong zonal wind that keeps cold polar air locked in the Arctic, there is a tendency for more cold air outbreaks to middle latitudes.
Vavrus, S., J.E. Walsh, W.L. Chapman, and D. Portis, 2006: The behavior of extreme cold air outbreaks under greenhouse warming.
Atmosphere - Ocean General Circulation Models are able to simulate extreme warm temperatures, cold air outbreaks and frost days reasonably well.
Summertime sea ice extent in the Arctic has been remarkably low since 2007 and the ensuing years have been marked by some notable cold air outbreaks.
Cold air outbreaks even more severe than occurred this winter affected the United States in the early 1960s, the late 1970s (most notably 1977), and in 1983, back when the Arctic sea ice was thicker and more extensive than it is today.
It was this coincidence that prompted Francis and Vavrus [paper] to link the cold air outbreaks to global warming.
Therefore I would argue that this same freakish Arctic storm and transport of heat that at first resulted in the all the «warm» headlines could potentially further lead to headlines of the more wintery variety, including Arctic or cold air outbreaks and snow storms....
If the putative Arctic magnification of global warming prevents the cold air outbreaks from cooling the northward moving saline water, it may not cool enough to become convectively unstable.
We could as easily conclude that snow cover, winter temperature and the frequency of cold air outbreaks in northern mid-latitudes is consistent with observational data indicating thickening ice sheets of Greenland, and Antarctica, cooler ocean temperatures, solar variation and burning books for warmth by the elderly in the UK, tra - la.
At times, some tentacles of it will slip southward and bring cold air outbreaks into the U.S., but this year, we're seeing a huge chunk of it, most of it descending into the U.S.»
Springtime cold air outbreaks (at least two consecutive days during which the daily average surface air temperature is below 95 % of the simulated average wintertime surface air temperature) are projected to continue to occur throughout this century.19 As a result, increased productivity of some crops due to higher temperatures, longer growing seasons, and elevated CO2 concentrations could be offset by increased freeze damage.20 Heat waves during pollination of field crops such as corn and soybean also reduce yields (Figure 18.3).4 Wetter springs may reduce crop yields and profits, 21 especially if growers are forced to switch to late - planted, shorter - season varieties.
You can examine some of the extreme heat and cold air outbreaks dating back to 2000, and can watch events unfold during the course of a month using the «Play Month» option.
The polar vortex can lead to major cold air outbreaks in any portion of the Northern Hemisphere — North America, Europe and Asia.
Though there can be significant differences in regional surface impacts between one SSW event and another, the typical pattern includes changes in sea level pressure resembling the negative phase of the North Atlantic Oscillation (NAO) / Arctic Oscillation (AO), (representing a southward shift in the Atlantic storm track), wetter than average conditions for much of Europe, cold air outbreaks throughout the mid-latitudes, and warmer than average conditions in eastern Canada and subtropical Asia (see figure below, left panel).
When the NAO is in its negative phase, the low and high are weaker than normal, and cold air outbreaks and snow are more likely in the eastern U.S..
When the NAO is in its negative phase cold air outbreaks and snow are more likely.
During the cool season, the Ridge brought long stretches of cloudless days, which caused daytime temperatures during winter to be well above average (and, at the same time, the position of the ridge also prevented major cold air outbreaks from occurring after December 2013).
The US east coast experiences more cold air outbreaks and hence snowy weather conditions.
But it paled in comparison to previous cold air outbreaks.

Not exact matches

The year also brought outbreaks of cold air, and killer heat waves and floods.
The was a large so - called blocking high in North Atlantic that led to the polar outbreaks into Europe and so that is where the cold air went, making it warmer in behind.
The negative AO is often associated with milder weather in the Arctic but severe winter weather, including cold - air or Arctic outbreaks and snowstorms across the mid-latitudes including the Eastern United States, Europe and East Asia.
«Occasionally, this pocket of very cold air can get dislodged farther south than normal, leading to cold outbreaks in Canada and the U.S.»...
A reinforcing shot of bitter, Arctic air will soon prolong the long - lived cold outbreak across the Plains, Midwest, South and East into the end of this week, likely shattering more daily records and sending wind chills to dangerously cold levels.
The recent tornadic outbreak in the US resulted from a large cold air mass lingering over the central plains.
Surprisingly, however, over the past two to three decades, the increase in extreme weather has included more (not fewer) severe cold - air outbreaks and heavy snowfalls observed both in North America and Eurasia6, 12,15,18,22,23,24,25.
a b c d e f g h i j k l m n o p q r s t u v w x y z