EF5 vs. F5: Abilene meteorologists explain how tornado ratings evolved

Some might think the Enhanced Fujita (EF) Scale is basically the same as the original Fujita (F) Scale, but Big Country ...
Fascinating Horror on MSN

What Happened When Scientists Drove Into an F5 Tornado

On May 10th, 1996, a massive tornado outbreak tore through Oklahoma, but for one meteorologist, it was also a once-in-a-lifetime opportunity. Professor Jo Harding and her storm-chasing team set out to ...
Yahoo

First EF5 tornado in 12 years confirmed in North Dakota - a possible warning for Texas

For the first time in 12 years, the United States has recorded an EF5 tornado, the most powerful type of twister on the Enhanced Fujita wind and damage scale, the National Weather Service confirmed ...
WSMV

Strongest tornado reported in the U.S. in years

NASHVILLE, Tenn. (WSMV) - The National Weather Service office in Grand Forks, ND, determined that damage from a June tornado in Enderlin, ND, was the result of a rare and violent tornado. Originally ...
Bleeping Computer

F5 releases BIG-IP patches for stolen security vulnerabilities

Cybersecurity company F5 has released security updates to address BIG-IP vulnerabilities stolen in a breach detected on August 9, 2025. The company disclosed today that state hackers breached its ...
Hosted on MSN

On This Date: Violent F5 Tornado With A Strange Path Devastates Jarrell, Texas

Tornadoes with the most destructive F5/EF5 rating are a rare beast, but nearly 30 years ago, one such tornado put on a second rare display because of its strange movement. A small, rope tornado ...
SiliconANGLE

F5 says nation-state actor breached internal systems, stole BIG-IP development files

Application security firm F5 Inc. disclosed in a filing with the U.S. Securities and Exchange Commission today that a sophisticated nation-state threat actor had gained unauthorized access to internal ...
TechCrunch

Cyber giant F5 Networks says government hackers had ‘long-term’ access to its systems, stole code and customer data

Cybersecurity firm F5 Networks says government-backed hackers had “long-term, persistent access” to its network, which allowed them to steal the company’s source code and customer information. In a ...
CSOonline

Source code and vulnerability info stolen from F5 Networks

IT and security leaders should install latest patches from the application delivery and security vendor after suspected nation-state hack. CSOs with equipment from F5 Networks in their environment ...
Reuters

Breach at US-based cybersecurity provider F5 blamed on China, sources say

Oct 16 (Reuters) - A breach at U.S.-based cybersecurity company F5 (FFIV.O), opens new tab has been blamed on state-backed hackers from China, two people briefed on the investigation said on Thursday.
AZ Central

Did a tornado really hit Tempe?

A powerful microburst, not a tornado, caused significant damage in Tempe on Oct. 13. The storm was part of the remnants of Hurricane Priscilla affecting the Phoenix area. Microbursts are sudden, ...