Wisconsin has had tornadoes that are rated EF-U, standing for EF-Unknown. The National Weather Service rates a tornado an EF-U when the tornado's intensity can not be determined due to the lack of ...

INDIANAPOLIS (WISH) — The National Weather Service is offering free classes ... For example, the giant golf ball structure behind their building is a doppler radar. It detects a severity of ...

Five ‘strong’ EF3 tornadoes tore through Kansas on Sunday night. While the tornadoes may have had winds close to 200 mph, they passed over largely rural areas.

(KSNW) — The National Weather Service has rated the tornado that passed ... the damage and properly assign a rating. The scale ranks tornadoes from an EF-0 all the way to an EF-5.

When he became the director of the National Weather Service during ... But Mr. Sokich and others familiar with the Weather Service’s outdated structure wonder if the upheaval — chaotic and ...