An ongoing tornado outbreak kills two people and produces a large tornado that hits Allendale, South Carolina, United States, prompting the National Weather Service to issue a rare tornado emergency.
Sources: The Weather Channel
Sources: The Weather Channel
The National Weather Service concludes the EF3 tornado that went through Davidson, Wilson, and Smith counties was confirmed on the ground for 60.13 miles, becoming the second longest path a tornado has taken in Tennessee.
Denver International Airport reopens at 7 pm (Mountain Daylight Time). Over 1,300 flights were canceled. Just a few flights are expected to arrive or depart through the night. The National Weather Service estimates that parts of Denver received 19.5 inches of snow as of 3:59 pm (MDT).
A magnitude 7.1 earthquake strikes southwestern Alaska, leaving 10,000 in the Anchorage area without power and forcing the evacuation of several homes on the Kenai Peninsula. The National Weather Service reported that there was no tsunami following the earthquake.
In the United States, the National Weather Service issues a blizzard warning for northeastern Colorado and western Kansas with an expected snowfall by midday of 12 inches in Denver, Colorado. Denver International Airport cancels 143 arriving and departing flighits. Several tornadoes occur overnight in northern Texas, western Kansas, and southern Nebraska.
A massive two mile wide tornado strikes south of the US city of Oklahoma City, causing widespread damage and causing the National Weather Service to issue a rare tornado emergency. 24 people are killed.
Two tornadoes hit Tuscaloosa County in the US state of Alabama causing extensive damage, with the main strongest wedge tornado crossing over the state of Alabama and affecting the Gadsden Metropolitan Area. [http:--blog.al.com-spotnews-2011-04-ema_reports_people_trapped_in.html ("Birmingham News")]Extreme storms in Alabama cause the temporary closure of three Tennessee Valley Authority nuclear reactors and knocking out eleven high-voltage power lines. [https:--www.reuters.com-article-2011-04-27-us-utilities-tva-storms-idUSTRE73Q98920110427?feedType=RSS&feedName=domesticNews&dlvrit=60573 (Reuters)]The Downtown Tuscaloosa tornado passes over the University of Alabama campus close to the Bryant-Denny Stadium.[http:--www.timesdaily.com-article-20110427-NEWS-110429812?Title=Witness-South-part-of-Phil-Campbell-is-just-gone-12-confirmed-dead-or-missing (Times Daily)] [http:--www.thestate.com-2011-04-27-1795745-forecasters-say-severe-storms.html (The State)]date=August 2019 [https:--web.archive.org-web-20110502070856-http:--www.waff.com-story-14527806-very-large-tornado-on-ground-in-tuscaloosa ("WAFF")]At least 54 people have died in the storms of Tuesday and Wednesday with 40 people dead in Alabama, five in Mississippi and one in Arkansas. [http:--blog.al.com-montgomery-2011-04-ema_6_confirmed_dead_as_a_resu.html ("Montgomery News")] [https:--www.bbc.co.uk-news-world-us-canada-13217726 (BBC)] [https:--news.yahoo.com-s-nm-20110428-ts_nm-us_weather (Reuters via Yahoo News)] [http:--news.blogs.cnn.com-2011-04-27-possible-tornado-touches-down-in-alabama-damage-reported- (CNN)] [http:--www.google.com-hostednews-afp-article-ALeqM5hYcw3VQ5dUuvh8lKilJoaAfDd4ww?docId=CNG.fb6d5467c8dc5b3160c4939c2d753569.171 (AFP via Google News)] [http:--www.myfoxmemphis.com-dpp-news-local-storms-kill-54-around-south,-including-40-in-ala.-apx-20110427 (Fox News)]Storms cause numerous power outages in Alabama; more than 176,000 in Birmingham, Alabama are left without electricity. [http:--www.cbs42.com-content-localnews-story-Power-Outages-xwFqXDr5iUyhU8vxIlRJoA.cspx (CBS42)]At least 9 people are killed in Mississippi by the outbreak. [http:--www.clarionledger.com-article-20110427-NEWS-110427004-Deadly-tornado-outbreak-devastates-Mississippi?odyssey=tab%7Cmostpopular%7Ctext%7CFRONTPAGE ("Clarion Ledger")]date=May 2020 Tornado watches affect areas from Northern Georgia to Upstate New York. [http:--www.wggb.com-Global-story.asp?S=14527002 (ABC 40)]date=August 2019 [http:--www2.wspa.com-news-2011-apr-27-24-flooding-danger-through-wednesday-western-nc-upsta-ar-1764938- ("News Channel 7")]date=August 2019 A local National Weather Service building is evacuated as a tornado passes over its radar site and it temporarily switches operations to Mobile in the same state of Alabama.Reports of gas leaks from Birmingham, Alabama. [http:--blog.al.com-spotnews-2011-04-major_gas_leaks_reported_throu.html ("Al.com")]A local National Weather Service building is evacuated as a tornado passes over its radar site and it temporarily switches operations to Mobile in the same state of Alabama.