+**Ef1** designates a specific level within the [Enhanced Fujita](/wiki/enhanced-fujita) scale, categorizing a [tornado](/wiki/tornado) of moderate intensity. Winds in this range typically span 86 to 110 miles per hour, capable of significant structural damage and uprooting large trees.
+## See also
+- [Wind Speed](/wiki/wind-speed)
+- [Storm](/wiki/storm)
+- [Damage](/wiki/damage)
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