Why an ancient lake that reemerged at Death Valley National Park will stick around
Park rangers initially thought the basin would dry up by the end of February.
An ancient lake that reemerged at Death Valley National Park last year will remain for longer than initially expected now that several rounds of extreme rain have poured through Southern California, according to officials.
Death Valley's famed Badwater Basin began filling up with water in August due to heavy precipitation from Hurricane Hilary, which prompted the first tropical storm watch in California state history, Abby Wines, park ranger at Death Valley National Park, told ABC News last month. During that event, more than 2 inches of water fell on Aug. 20 -- the amount the region typically sees in a year.
Park rangers initially estimated that several inches of water where Ice Age-era Lake Manly once stood would only last until February. But storm systems fueled with potent atmospheric rivers in recent weeks has expanded the lake once again, satellite images released by NASA show.
Much of the precipitation occurred between Feb. 4 and Feb. 7, when 1.5 inches of water fell in the park, according to a statement released by the National Park Service on Friday. The series of satellite images shows how the lake expanded from virtually no water on July 5 to being flooded with water from August through February.
Death Valley is the driest place in North America, with a typical rainfall total of about 2 inches per year, according to NASA. In the past six months, the region has received nearly 5 inches of rain, records show.
At this point, park rangers are uncertain how long the lake will last. Another round of atmospheric rivers are forecast for the region on Monday through Wednesday.
At its peak, Lake Manly once held up to 700 feet of water. Currently, at about 6 miles long, 3 miles wide and 1 foot deep, the temporary lake in Badwater Basin is deep enough to kayak in, a "rare opportunity," Wines said in a statement on Friday.
It was deep enough to kayak in August as well, but visitors were not able to partake because the park remained closed until October, in which the temporary lake had already reduced by several inches, according to the NPS.
"Now most of the main roads are open, so it’s a great time to come visit!" Wines said.
Badwater Basin is known for its place at the lowest elevation in North America, at 282 below sea level. The basin, normally a saltwater flat, is endorheic, meaning that water flows into but not out of it.
The last time the lake filled up was in 2005. Back then, it took about a week after it formed to dry up and had not filled up again for about 18 years, Wines said.
The evaporation rate in the desert, combined with normally low amounts of precipitation, typically do not allow water to collect in the basin for long.
"You might think with no drain to the sea, that Death Valley would always have a lake," Wines said on Friday. "But this is an extremely rare event. Normally the amount of water flowing in is much less than the evaporation rate."
Visitors have enjoyed witnessing stunning reflections of the surrounding mountain peaks in the calm waters resting in the basin, Wines said.
Tiffany Lin, a travel and hiking blogger in her mid-30s, described the water to ABC News last month as having a "vibrant reflection" to it.
"It was perfectly clear," said Lin, who drove from her home in Orange County, California, over Thanksgiving weekend to see the lake.
ABC News' Dan Manzo contributed to this report.
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