ANSWERS: 2
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It's part of the "Enhanced Fujita" scale for tonados - See http://en.wikipedia.org/wiki/Enhanced_Fujita_Scale for the Enhanced version and http://en.wikipedia.org/wiki/Fujita_Scale for the "normal" scale.
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Faster then a F1 and slower then an F3 or 113-157 mph (98-136 kt) Cat 3/4/5 Significant Tornado. Considerable damage: Roofs torn off frame houses; mobile homes demolished; frame houses with weak foundations lifted and moved; boxcars pushed over; large trees snapped or uprooted; light-object missiles generated.
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