By Christopher Johnson
LONDON (Reuters) - Oil prices slipped on Thursday, giving up some recent gains as the dollar strengthened ahead of a meeting of central bankers in Jackson Hole, Wyoming, which could signal changes to monetary policy.
Benchmark Brent crude was down 25 cents a barrel at $52.32 by 1315 GMT. U.S. light, sweet crude slipped by 45 cents to $47.96 a barrel.
The annual meeting at Jackson Hole starts on Thursday and will include speeches by U.S. Federal Reserve Chair Janet Yellen and European Central Bank chief Mario Draghi on the outlook for monetary policy and interest rates.
Any support for the dollar from the meeting could hit oil and other assets priced in the U.S. currency.
"Comments by Yellen and Draghi may provide volatility for the dollar, and thus dollar-denominated commodities," said Hans van Cleef, senior energy economist at ABN AMRO in Amsterdam.
"That's encouraging some profit-taking after yesterday's rally in crude."
Both crude contracts rose more than 1 percent on Wednesday, buoyed by potential output disruptions from the Gulf of Mexico storm Tropical Depression Harvey.
"Harvey is expected to strengthen into a Category I hurricane by Friday," said Sukrit Vijayakar, director of energy consultancy Trifecta. "Operators in the area are already closing down platforms and evacuating workers as a precaution."
Harvey accelerated into a tropical storm with winds of about 40 miles per hour (65 km per hour) and was located about 440 miles (705 km) southeast of Port Mansfield, Texas, the U.S. National Hurricane Center reported.
Royal Dutch Shell, Anadarko Petroleum and Exxon Mobil have all taken steps to curb some oil and gas output at platforms in the Gulf.
Beyond the weather, traders said declines in U.S. commercial crude storage levels were a sign of a gradually tightening market, although another rise in output held the market back.
U.S. crude oil production hit 9.53 million barrels per day (bpd) last week, its highest since July 2015 and up more than 13 percent from its most recent low in mid-2016.
Despite this, U.S. crude stocks fell last week and gasoline stocks were down as well, the Energy Information Administration said on Wednesday.
Crude inventories fell by 3.3 million barrels in the week ending Aug. 18 to 463.17 million barrels, down 13.5 percent from record levels last March.
(Additional teporting by Henning Gloystein in Singapore; Editing by Susan Fenton and David Goodman)
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