It ’s not even summer yet , but it ’s damn hot . A very gravid share of the country is presently simmering in oestrus of 100 point or higher , and it could get even hot .
Many cities in the Southwest and Midwest are organize to break records this weekend and through Monday , including the US ’s all - meter June disc of129 degrees in Death Valley , California(not far from wherehorrific wildfires are burning ) . Plus , it ’s pretty betimes in the season for city to be recording such high temperature .
https://twitter.com/embed/status/742717803086635009
This is not your typical heat wave , according to the Capital Weather Gang . It ’s a phenomenon called a “ heating dome , ” a high - pressure ridge that pushes temperature right smart , right smart up . And this one is peculiarly giant :
The fashion we measure out the intensiveness of a gamey pressure ridge is “ geopotential top . ” It ’s the height at which 500 millibars is measured in the air ( imperativeness decreases as you go up ) .
This weekend , 500 - millibar geopotential height is wait to be outside our normal climate kitchen stove , fit in to large group of computer model simulations . In other words , the modelling predict this ridge will be more uttermost than anything observed in this particular clime data set that dates back to 1979 .
Not surprisingly , although these heat noodle are rarified , they’rebecoming more frequent in late years . The Middle East suffer beneath one last summertime that generate thesecond - highest heat index ever record on Earth .
So , basically these are the Beyond Thunderdome of warmth domes .
[ Washington Post ]
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