24/7 Live
Philadelphia
Pennsylvania
New Jersey
Delaware
WEATHER
What is the EF-Scale?
Wednesday, April 5, 2017
The Enhanced Fujita scale looks at the damage caused by a tornado to measure its strength.
AccuWeather
Report a correction or typo
Related Topics
WEATHER
ACCUWEATHER
TORNADO
STORM
WIND
RAIN
HAIL
Watch Live
ON NOW
Top Stories
AccuWeather: The weekend starts nice and bright for the Philadelphia region
2 hours ago
Chief meteorologist Cecily Tynan to retire after more than 30 years with Action News
EF-0 tornado touched down during severe storms at the Jersey shore: NWS
Pipes excavated at home in Philadelphia's Olney section amid ongoing investigation
'Tragic accident': 16-year-old girl dead, 5 other teens hurt in crash on Columbus Boulevard
