Natural and Man-Made Disasters,
Tornadoes can occur at any time of the year and just about anywhere in the world. The United States, however, has a unique geography that lends itself to a number of historical tornado outbreaks.
Following are just a few of the historical tornadoes that have devastated portions of the United States over the past years.
|Tornadoes of the 1800s||The 1900s-40s||The 1925 Tri-State Tornado|
|The 1940-80||The 1980s-99||The 1974 Super Outbreak||Historical Tornado Events|
Most often, tornadoes are spawned from hurricanes, but they are shorter-lived than a Great Plains tornado and could occur in bunches.
Hurricane Beulah made landfall between Brownsville and Corpus Christi, Texas on September 19, 1967 - a Category 3 hurricane on the Saffir-Simpson Potential Damage Scale. Beulah caused enormous destruction, both from flooding and tornadoes.
What was most significant about Beulah was the extraordinary number of tornadoes that accompanied her after she had made landfall. Most tornadoes spawned from hurricanes form in the northeast quadrant of the storm, producing weaker tornadoes than those that form in supercell thunderstorms.
Beulah, without warning, switched course after making landfall, sending the northeast quadrant of the storm, where hurricane-induced tornadoes usually form, into a southwesterly direction.
Beulah spawned an unprecidented 115 tornadoes in southeast Texas from September 19 through September 23, 1967, largely due to this unexpected change of direction.
This incident held the record for the most tornadoes ever produced by a hurricane and the most tornadoes ever produced by a single weather system - until the April 3 and 4, 1974 Super Outbreak.
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