During the second half of January and early February 2012, bitterly cold air originating from Siberia killed hundreds of people across Europe.
According to the World Meteorological Organization, lows plummeted to as low as minus 30 degrees C in eastern European countries of Latvia, Belarus, northeastern Poland and Ukraine, while lows fell to minus 10 to minus 15 degrees C in central and western Europe.
Pictures from Europe's Deep Freeze:
The seafront is frozen in the Adriatic coastal town of Senj, Croatia, Tuesday, Feb. 7, 2012. Europeans across the continent have been battling more than a week of extreme weather, with thousands still trapped by snow in remote, mountain villages in the Balkans; hundreds - most of them homeless - dead after temperatures hit as low as minus 33 Fahrenheit (minus 36 Celsius); and authorities now facing the prospect of flooding caused by melting snow. (AP Photo/Darko Bandic)
A lot of snow fell in Szeged, Hungary. Photo submitted to AccuWeather.com Facebook fan Spf S., on Sunday, Feb. 5, 2012.
Photo from Ancona, Italy after three days of snow on Sunday, Feb. 5, 2012. Photo from AccuWeather.com Facebook fan Massimiliano R.
Photo of snow in Slovenia on Monday, Feb. 6, 2012, from AccuWeather.com Facebook fan Marjan B.
Photo of heavy snow, 110 cm, in Sarjevo, Bosnia, on Monday, Feb. 6, 2012, from AccuWeather.com Facebook fan Jasmin B.
A Bosnian man walks on snow-covered road in the village of Breteljevici, near Kladanj, 100 kilometers north of Sarajevo, Bosnia, Thursday, Feb. 2, 2012. Some Bosnian villages have had no electricity for days as crews work around-the-clock trying to fix power lines affected by heavy snow and freezing temperatures. (AP Photo/Amel Emric)
Following a dip in temperature during the middle of the week, summerlike warmth will rebound across much of the Northeast by this weekend.
An outbreak of severe weather is targeting areas from Texas to Nebraska Wednesday evening.
Daily episodes of severe thunderstorms and flooding downpours will impact the Plains this week, possibly lingering into the weekend.
While a few showers will pass east of the Bay Area, seasonable weather and sunshine will hold in place through the weekend.
The central and southern Plains will continue to be pummeled by strong storms for the next several days, but the most potent severe weather threat is likely to be during the Mother's Day weekend.
Wind, seas and surf will build in advance of what is likely to become the first tropical system of 2015 along the southeastern Atlantic coast of the United States late this week.
White Mountain 2, CA (1964)
-15 degrees; U.S. record for May (lower 48 states).
A few tornadoes touched down in Kansas and Iowa, killing two people. Thunderstorms in eastern Kansas produced baseball-sized hail at Scranton and golf ball-sized hail at Silverdale.
North Carolina Mountains (1992)
Freak snowstorm buried the region. Mt. Pisgah picked up 57"; Mt. Mitchell got 50-60".