No. There have been no F5 tornadoes recorded in or near Ada.
It is possible but quite unlikely. No F5 or EF5 tornado has ever been recorded in the State of New York, but there have been a few F4 tornadoes. One tornado in Massachusetts in 1953 was possibly an F5.
No, Colorado has never recorded an F5 or EF5 tornado, the strongest was an F4. The largest tornado (by path width) on record in Colorado was rated EF3.
The rarest tornado rating is F5 or EF5.
No. The highest rating a tornado can get is F5 or EF5.
There were no F5 or EF5 tornadoes in 2010.
The most recent F5/EF5 tornado was the Moore, Oklahoma tornado of May 20, 2013.
Yes, it has had F5 tornadoes in the past.
The last F5 or EF5 tornado in Iowa was on May 25, 2008 when a large tornado caused EF5 damage in the towns of Parkersburg and New Hartford, Iowa.
The worst level a tornado can attain is F5 on the old Fujita scale or EF5 on the newer Enhanced Fujita scale.
No state in or west of the Rockies has ever recorded an F5 or EF5 tornado. These include Alaska, Hawaii, Washington, Oregon, California, Idaho, Nevada, Utah, Arizona, Montana, Wyoming, Colorado, and New Mexico. Other states without recorded F5 or EF5 tornadoes are on the east coast including Maine, Vermont, New Hampshire, Connecticut, Rhode Island, Massachusetts*, New York, New Jersey, Delaware, Maryland, Virginia, West, Virginia, North Carolina, South Carolina, Georgia**, and Florida. *The Worcester, Massachusetts tornado of 1953 was officially an F4 but is believed by some to have been an F5. **One EF5 tornado in 2011 crossed into Georgia but was only an EF5 during its time in Alabama.
No. The Oklahoma City metro area has only ever recorded 2 F5/EF5 tornadoes on May 3, 1999 and May 20, 2013. The chances of an F5 or EF5 tornado being on the ground anywhere at any given time are extremely small. And even then, the actual rating of a tornado is not determined until after it has passed.