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)
See how far away severe thunderstorms are as we monitor the severe weather with these radar images.
Heavy rain returning to the northern Plains will generate a renewed flood threat for the Red River.
Mount Saint Helens has erupted several times since the destructive 1980 eruption, and likely will again in the future.
Seven homes have been red tagged, meaning do not occupy, and six others are under a voluntary evacuation order.
Though recovery continues from Superstorm Sandy, residents and homeowners on the Atlantic coast should prepare for another active season in 2013.
While there is a threat for a shower in spots in Baltimore, Md., today, it will not be a washout like the day of the Kentucky Derby.
Buffalo, NY (1986)
3.41 inches of rain -- a 24-hour record for May.
New England (1780)
The Dark Day: a famous weather event in New England. The sky appeared almost nighttime at noon and chickens went to roost. The phenomenon cleared up late in the afternoon and was later learned to have been caused by massive forest fires in the West.
Houston, TX (2000)
6.80" of rain.