Bad weather disrupted practice for the 83rd Masters for the second day in succession, with players and spectators forced to evacuate Augusta National.
Play was suspended shortly after 3pm local time on Monday and the course received 1.44 inches of rain that afternoon, with an additional 0.23 inches falling early on Tuesday morning.
The gates opened on schedule at 8am on Tuesday but with more storms approaching, tournament officials made the decision to close the course just two hours later.
Shortly after play was brought to a close, an update was posted from the tournament's official Twitter account.
"Due to approaching storms with lightning, play has been suspended and evacuation of the golf course is underway," the tweet read.
"The public gates are now closed. Please stay tuned to @themasters and other media outlets for further information when available."
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While the rain will make the course softer and potentially play into the hands of longer hitters such as Rory McIlroy and Dustin Johnson, Augusta National has a SubAir system that can help to remove water quickly.
Four-time major winner McIlroy heads to Augusta looking for his first Masters title as he aims to complete a career Grand Slam.
The 29-year-old finished six-shots behind winner Patrick Reed in last year's competition and missed out on the Green Jacket in 2011 after he let a four-shot lead slip in the final round.
"One of these years, I'm sure I'll get myself into position," he told BBC Sport .
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"Whether it's this year, or 10 years down the line, hopefully I'll capitalise on it.
"I've had four years of going to Augusta knowing it's the one, whether it's the Grand Slam or the one major I haven't won.
"I think I've handled it OK," he continued. "I haven't won and I didn't play at my best in the final round last year, but I've had four top-10s in a row since going there [chasing the Grand Slam].
"I don't want to make predictions but I'd like to think that if I'm going to go back to Augusta over the next 10 or 15 years, at least a quarter or a third of those times I'm going to give myself a pretty good chance to win."
