Iowa has experienced a significant decrease in tornado activity this year compared to 2024.While the state typically averages ...

You're all familiar with 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 ...

EFU stands for Enhanced Fujita Unknown, meaning that the damage is too minimal to determine a rating or there's no assessable damage.

When a tornado hits, it later is assigned a number on the Enhanced Fujita scale, ranging from EF-0 (65 mph to 85 mph) to EF-5 (winds over 200 mph), per the NWS.

NWS teams have assigned preliminary tornado ratings based on damage for three confirmed tornadoes: West of Valley City, North Dakota: at least EF-3 South of Valley City, North Dakota: at least EF-2 ...

FRANKFORD, Del. - A survey team from the National Weather Service in Mount Holly, N.J. assigned an EF-0 rating to the June 30 Frankford tornado in its first report Wednesday afternoon.

When a tornado hits, it later is assigned a number on the Enhanced Fujita scale, ranging from EF-0 (65 mph to 85 mph) to EF-5 (winds over 200 mph), per the NWS.