by a Sudden Stratospheric Warming ( SSW ) event(passive) caused bythe polar vortex
the Arctic Oscillation ( AO ) , a see - sawing pressure difference between the Arctic and lower latitudes(passive) is caused byThe " tight polar vortex
Warming in the Arcticcould have causedthe polar vortex
warming of the Arctic region(passive) caused bya polar vortex
the warming temperatures(passive) was caused byThe polar vortex
by a warmer arctic(passive) caused bythe polar vortex
by a decline in Arctic sea ice(passive) caused bythe polar vortex
by warming at the North Pole(passive) was caused bythe Polar Vortex
warming at the North Polecausedthe polar vortex
the warming of the North Pole(passive) is caused bythe polar vortex
changes in the jet stream(passive) is caused byPolar vortex
the warmingcausesthe polar vortex
Record cold from global warmingcausingpolar vortex
climate - changecausedpolar - vortex
by climate change and(passive) caused bya polar vortex
by Climate Change(passive) caused bya " Polar Vortex
Climate ChangeIs ... Causingthe ' Polar Vortex
climate changeinfluencingthe " polar vortex
Is Climate ChangeCausingthe Polar Vortex
climate changecausedthe polar vortex
Climate ChangeCausingthe ' Polar Vortex
climate change(passive) is caused bythe polar vortex
by climate change(passive) caused bythe polar vortex
by global warming(passive) caused byPolar Vortex
global warmingcausingpolar vortex '
by global warming(passive) likely caused bypolar vortex
global warmingcausespolar vortex
global warmingcausingpolar vortex
global warmingcausedpolar vortex
Global Warming(passive) is Caused byPolar Vortex
global warmingcausesthe polar vortex
by global warming(passive) is caused bythe polar vortex
Global Warmingis causingthe Polar Vortex
global warmingDid ... causethe polar vortex
global warming(passive) is caused bythe polar vortex
global warmingdoes ... causethe polar vortex
coldest temperaturescausescoldest temperatures
winter coldinfluenceswinter cold
winter freezinginfluenceswinter freezing
the temperature in states across the Midwest to plummet well below zero degrees Fahrenheitcausedthe temperature in states across the Midwest to plummet well below zero degrees Fahrenheit
temperatures to plunge across parts of the UShas causedtemperatures to plunge across parts of the US
freeze as subzero temperatures hit The polar vortex has led to frozen arctic winds bringing record - low temperatures across much of the U.S. midwest this weekcausesfreeze as subzero temperatures hit The polar vortex has led to frozen arctic winds bringing record - low temperatures across much of the U.S. midwest this week
temperatures to plunge as low as -42 degrees in parts of the US this weekcausedtemperatures to plunge as low as -42 degrees in parts of the US this week
temperatures to drop much farther south than usual , with temperatures in certain areas of the Midwest comparable or below those in Antarctica , where the Amundsen - Scott South Pole Station hit minus 25 degreeshas causedtemperatures to drop much farther south than usual , with temperatures in certain areas of the Midwest comparable or below those in Antarctica , where the Amundsen - Scott South Pole Station hit minus 25 degrees
to blast arctic conditions unusually far southwas setto blast arctic conditions unusually far south
frigid temperatures in the Midwestcausedfrigid temperatures in the Midwest
subzero temperatures and Arctic - like weathercausedsubzero temperatures and Arctic - like weather
record low temperatures in the midwestis causingrecord low temperatures in the midwest
The frigid temperatures expected to move into the region following the snow system(passive) will be caused byThe frigid temperatures expected to move into the region following the snow system
temperatures to plummet in the Midwestis causingtemperatures to plummet in the Midwest
in record low temperatures in much of the countryresultedin record low temperatures in much of the country
subzero temperatures in parts of the Midwestis causingsubzero temperatures in parts of the Midwest
records for freezing temperatures across the Midwestsettingrecords for freezing temperatures across the Midwest
bringing frigid air from the arcticledbringing frigid air from the arctic
a deep freeze across the Midwestcausinga deep freeze across the Midwest
temperatures in these areas to plummet to frigid temperaturescausedtemperatures in these areas to plummet to frigid temperatures
the Arctic to have the coldest winter on record in decadescausingthe Arctic to have the coldest winter on record in decades
sub zero temperatures in Midwestcausessub zero temperatures in Midwest
a record - breaking freeze across the Midwestcausesa record - breaking freeze across the Midwest
a record - breaking freeze across the Midwest causesa record - breaking freeze across the Midwest
a brutal blast of Arctic air(passive) caused bya brutal blast of Arctic air
Arctic conditions in the United StatescausedArctic conditions in the United States
record low temperatures in places like Chicagois causingrecord low temperatures in places like Chicago
in record low temperaturesresultedin record low temperatures
to record low temperaturescontributedto record low temperatures
record low temperatures(passive) caused byrecord low temperatures
temperatures to drop dangerously low in New York and several other , mostly Midwest , statescausedtemperatures to drop dangerously low in New York and several other , mostly Midwest , states
temperatures to plunge to record lowscausedtemperatures to plunge to record lows
along with record - breaking frigid temperatureshave resultedalong with record - breaking frigid temperatures
below - zero temperatures(passive) caused bybelow - zero temperatures
to colder temperaturesleadsto colder temperatures
record low temperatures in the U.Sis causingrecord low temperatures in the U.S
Arctic air to suddenly warm up and send freezing cold south towards Britainhas causedArctic air to suddenly warm up and send freezing cold south towards Britain
temperatures to dropcausestemperatures to drop
temperatures to plungecausestemperatures to plunge