2025年1月9日 · The Enhanced Fujita Scale or EF Scale, which became operational on February 1, 2007, is used to assign a tornado a 'rating' based on estimated wind speeds and related damage.

The EF Scale takes into account more variables than the original F Scale did when assigning a wind speed rating to a tornado. The EF Scale incorporates 28 damage indicators (DIs) such as building type, structures, and trees.

An Enhanced Fujita (EF) Scale, developed by a forum of nationally renowned meteorologists and wind engineers, makes improvements to the original F scale. This EF Scale has replaced the original F scale, which has been used to assign tornado ratings since 1971.

The EF Scale, which became operational on February 1, 2007, is used to assign a tornado intensity 'rating' based on estimated wind speeds and related damage. When tornado-related damage is surveyed, it is compared to a list of Damage Indicators (DI) and Degrees of Damage (DoD) which help better estimate the range of wind speeds the tornado ...

2024年2月10日 · An EF-1 tornado touched down just south of Underwood, Indiana and was on the ground for one mile with a maximum width of 75 yards and wind speed of 90 mph. The tornado began on the shoulder of Interstate 65, struck the south end of Henretty Road, and lifted just east of US 31.

2024年7月15日 · The tornado reached its strongest (EF-1) intensity in Sugar Grove, where several healthy trees were uprooted and/or snapped, and tossed some distance. Minor structural damage occurred to the Sugar Grove Fire Department building, some of which appeared to be caused by flying tree debris.

2025年2月8日 · The tornado then traveled across Newburgh Rd into Levan Rd near the 5 mi intersection, close to the intersection of Ellen Dr. and 5 mi rd, where mainly tree damage was found. The tornado continued to travel northeast into …

2024年5月27日 · A National Weather Service Survey has confirmed that an EF1 tornado with maximum estimated wind speeds of 90 mph occurred in Mahanoy City during the evening of Monday, May 27, 2024. The tornado formed just west …

2025年2月6日 · An NWS Damage Survey Team confirms an EF-1 Tornado in Hardin County near Rineyville, KY. This information and map are preliminary and subject to edits.

2024年4月16日 · An EF-1 tornado touched down at 5:51 AM about a mile north of the Eisenhower State Park at Melvern Lake and moved north, lifting a couple miles west of Lyndon. The tornado was on the ground for around three and a half miles causing damage mainly to trees.