The U.S. Bureau of Land Management is investigating what happened, and early reports suggest heavy thunderstorms that moved through the region over the past week could be to blame, agency spokeswoman Megan Crandall said. (scientificamerican.com)
During an overnight heavy thunderstorm rain came in through the ceiling and past the closed patio doors / window. (greatrail.com)
If you are unable to visit during the dry season, keep in mind that the early months (Apr - July) are characterised by sudden, heavy thunderstorms in the afternoon that are short in duration, and can happen every few days. (farflunglands.com)