By Nick Wiltgen
Published: November 13,2014
The
National Oceanic and Atmospheric Administration has released a map
depicting the ongoing record-setting blast of arctic air in stunning
detail.
Using data from its High Resolution Rapid Refresh (HRRR)
model, NOAA released a map showing expected low temperatures across the
Lower 48 for the night of Nov. 13-14. Below-freezing temperatures are
depicted as far south as the Gulf Coast states. The HRRR model, in
development for five years, finally became "operational" -- in other
words, ready for everyday use in real-time weather forecasting -- in
September.
The slideshow above starts with NOAA's map. But we
couldn't stop there. Using our own high-resolution temperature data, we
take you closer to the polar plunge with 11 more maps showing how the
bitterly cold air charged across the Canadian border and sent
temperatures crashing across a huge swath of the country. Click through
the slideshow above for a closer look.
(MORE: Winter Storm Bozeman | Weekend Snow Ahead for South? | Days of Relentless Arctic Cold Remain)
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