A tornado touched down in Pico Rivera, California early Thursday morning, forecasters confirmed, as a brutal rain storm ...

One question you may ask yourself is how tornadoes are measured? It's with the Enhanced Fujita (EF) scale which is gives a ...

The Enhanced Fujita Scale provides an estimated range of a tornado's wind speeds, based on the tornado's damage.

No direct injuries or fatalities were reported, according to the National Weather Service after it completed its storm survey ...

Articles and videos about Florida tornado had same wind speeds as Category 2 or 3 hurricane: NWS on FOX 35 Orlando.

Researches found little evidence that tornadoes were getting weaker. Instead, it appears that a subjective tornado grading system is to blame.

The best way to get there is to run some speed tests to get a good sense of any weak links in your Wi-Fi connection -- and there are plenty of free services on the web that'll help you do just that.

A prime example happened Feb. 24 in South Dakota, when a brief tornado documented by a storm chaser spun up over an open field. An assessment by the NWS said it caused no damage and assigned the ...

The tornado wind speeds for those ratings are estimated through damage inspections performed by the National Weather Service (NWS) after the storm. Factors weighed include the quality of building ...

The National Weather Service in Portland issued a tornado warning for northwest Clackamas County on Monday evening. Meteorologists said that just after 5:40 p.m., a “severe thunderstorm” that ...

Wind speeds were estimated at 261-318 mph for an F5 tornado. However, several engineering studies indicated that no evidence existed of tornado wind speeds above 250 mph. Structural Integrity ...

SEATTLE — Wind speeds topped 60 mph in several areas and nearly set records overnight, knocking down power lines and trees throughout western Washington. The top wind speed recorded by the KING ...