The tornado is
thought to be one of the biggest in US history, causing havoc as it passed over
homes, schools and businesses. The twister was 2 miles wide in places.
CAUSES
EFFECTS
VIDEO REPORTS - Impacts
- VIDEO overview from BBC Weather – How, why and what?
- The Science behind tornado alley
- VIDEO - What causes storms in 'Tornado alley'?
- Tornadoes - An animated guide
EFFECTS
VIDEO REPORTS - Impacts
:
Worst hit was Moore, south of the city, where neighbourhoods
were flattened and schools destroyed by winds of up to 200mph (320km/h) as the
tornado hit at 3pm in the afternoon local time.
Plaza Towers Elementary School was in the direct path of the
giant twister. 24 students went missing after the building took a direct hit
during 45 minutes of terror.
Take a look at these images showing the areas affected
before and after the tornado struck: BEFORE AND AFTER
More amazing images here: IMAGES
BBC News - Special Report page
CNN - Special Report page
Being prepared for a tornado - Advice from FEMA plus Advice from CDC
Sources: Al Jazeera, BBC News, Daily Mail, BBC Weather, CNN, FEMA, CDC