Big El Ninos always have an immense impact on world weather, triggering higher
than normal temperatures over huge swathes of the world.
Map of air temperature anomalies for December 2009, at the 925 millibar level (roughly 1,000 meters [3,000 feet] above the surface) for the region north of 30 degrees N, shows warmer than usual temperatures over the Arctic Ocean and cooler
than normal temperatures over central Eurasia, the United States and southwestern Canada.
Every state will see increased odds for warmer
than normal temperatures over the first two weeks of December, according to the National Weather Service.
Not exact matches
In the Eastern Pacific, sea - surface
temperatures are about two degrees colder
than normal over an area the size of the United States.
To be an «extreme» event, sea surface
temperatures have to drop
over 1.75 degrees Celsius lower
than normal, as the map below shows.
Both Burns and Butte saw average
temperatures more
than 20 F (11 C) below
normal during a sharp cold spell
over the West.
Temperatures around the Arctic are running double digits higher
than normal, and readings in northern Greenland popped above the freezing mark
over the weekend — «which as far as we know hasn't happened before,» Francis said.
As it turns out, exposure to lower
temperatures increases brown fat activity — for example, one study published in the Journal of Clinical Investigation found that men who sat in a 63 - degree Fahrenheit room for two hours a day
over the course of six weeks burned up to 289 calories more
than those who sat in a room with
normal indoor
temperature!
The Physiology of Body
Temperature While exercise may cause a temporary increase in body temperature, normal body temperature fluctuation in dogs and cats is typically less than 4 °F over a 24 - h
Temperature While exercise may cause a temporary increase in body
temperature, normal body temperature fluctuation in dogs and cats is typically less than 4 °F over a 24 - h
temperature,
normal body
temperature fluctuation in dogs and cats is typically less than 4 °F over a 24 - h
temperature fluctuation in dogs and cats is typically less
than 4 °F
over a 24 - hour period.
El Niño: A phenomenon in the equatorial Pacific Ocean characterized by a positive sea surface
temperature departure from
normal (for the 1971 - 2000 base period) in the Niño 3.4 region greater
than or equal in magnitude to 0.5 degrees C (0.9 degrees Fahrenheit), averaged
over three consecutive months.
Note the broad regions
over Northern Canada, Siberia, and the Arctic Ocean that are predicted to experience
temperatures in the range of 20 degrees Celsius above the already hotter
than normal 1979 to 2000 baseline readings.
«With
temperatures 12 — 18 degrees [C] hotter
than they normally are this time of year,» the Canadian Press suggests, «a massive ridge of high pressure will remain anchored
over the Pacific Northwest [with] ongoing dry conditions and warmer
than normal»
temperatures.
The same has been prevalent
over North America this week, resulting in a colder
than normal winter in some parts while
temperatures soar towards the east coast.
Average air
temperatures over the Arctic Ocean were much higher
than normal for the month, reflecting unusual atmospheric conditions.
December air
temperatures over the Arctic Ocean region, eastern Siberia, and northwestern North America were warmer
than normal.
Nevertheless, ridging prevailed
over the West Coast this month, keeping
temperatures warmer
than normal over the Southwest and driving moisture into the Rocky Mountain region.
Overall
temperatures in June through mid-July have been near
normal over much of the Arctic Ocean region, with somewhat cooler
than normal conditions on the Atlantic side, as well as part of the Chukchi Sea.
In contrast the winter - spring
temperatures over the central Arctic were higher
than normal (Figure 6).
The «Beast from the East» was the name given by the media to an unusual weather pattern which saw warmer that average
temperatures over the arctic sending colder air further south
than normal, resulting in much of western Europe being hit with sustained low
temperatures and heavy snow, blown in from Siberia.
If ENSO releases more heat
than normal from the tropical Pacific
over a multidecadal period, surface
temperatures have to warm
over that multidecadal period.
As this relative polar warming increased during February, the NASA maps show that colder
than normal temperatures expanded
over North America through Canada and parts of the Northern U.S. even as a cold spell began to blossom in Europe.