1999 Oklahoma tornado outbreak
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The 1999 Oklahoma tornado outbreak was a significant tornado outbreak that affected much of the Central and parts of the Eastern United States, with the highest record-breaking wind speeds of 301 ± 20 mph. During this week-long event, 154... Wikipedia
Dates: May 2, 1999 – May 4, 1999
Areas affected: Central and Eastern United States
Duration of tornado outbreak2: 6 days, 1 hour and 35 minutes
Largest hail: 4.5 in (11 cm) in diameter (multiple locations on May 3)
Tornadoes confirmed: 152