UPDATE 7-Oil broadly lower on China worries, strong U.S. dollar
* U.S. oil drops below 100-day moving average
* Greenback hits 2-1/2 week high against major currencies
* Outlook on China's credit remains shaky
* Canada's oil capital inundated by flooding
NEW YORK, June 24 (Reuters) - Brent crude fell on Monday to its lowest in three weeks and U.S. crude oil slid below its 100-day moving average as the dollar firmed and investors worried a credit squeeze in China could dampen economic growth in the world's No. 2 oil consumer.
The People's Bank of China (PBOC) is trying to stem excessive credit growth, after interests rates on some deals spiked to 25 percent or higher late last week.
Oil traders feared this could slow China's economic growth further. The International Energy Agency lowered its 2013 oil demand growth forecast for China earlier this month.
Record flooding in Calgary, Alberta, Canada's oil capital, may have forced shut some oil pipelines, limiting the decline in U.S. crude prices. Enbridge Inc's pipelines serving Alberta's oil sands still had no timeline for resuming operations after a spill was discovered.
But pressuring oil, the U.S. dollar index was at a 2-1/2-week high. A strong dollar makes commodities priced in the greenback more expensive for holders of other currencies.
Brent crude was trading $1.02 lower at $99.89 per barrel at 11:24 a.m. EDT (1524 GMT). Brent's session low was $99.67, within a penny of its June 3 low. On Friday, Brent posted its biggest two-day drop since September.
Front-month U.S. crude oil futures were trading 32 cents lower at $93.37, falling below the 100-day moving average, after dropping to a session low of $92.67.
Technical analysts focused on the 200-day moving average at $92.30 in U.S. crude oil as the next area of possible support.
"I think a lot of people are looking at that as the potential downside for now, given how far we've fallen and how fast," said Matt Smith, commodity analyst with energy management firm Schneider Electric. "The dollar's strength could really push us down to test that level today."
Concerns that Chinese demand would slow and that the U.S. Federal Reserve will end economic stimulus measures mostly overshadowed worries about Middle East oil supplies due to a flare up of violence in Lebanon and worries that Syria's civil war would spill into the region.