Local operations could be affected by closure,

Government shutdown could have ripple effect on some services.

WEST PALM BEACH — One casualty of a budget brawl Friday turned out to be President Donald Trump’s scheduled trip to Palm Beach, as talks in the nation’s capital staggered close to the slippery ledge of a government shutdown.

Trump scrapped plans to fly into Palm Beach International Airport on Friday night to visit his Mar-aLago estate in Palm Beach. But a Federal Aviation Administration alert suggested Trump was keeping open the option of an arrival today, which would allow him to attend a $100,000-per-couple fundraiser for his 2020 re-election bid.

The threat of a shutdown after midnight Friday forced agencies and the public to brace for possible effects.

So what would happen in a shutdown? “Essential” services such as the military and air traffic controllers are expected to continue. The Postal Service can be counted on to deliver the mail because it has its own revenue stream. Social Security checks are not forecast to be disrupted.

It can get a bit more complicated with national parks, such as South Florida’s Everglades National Park.

In the event of a shutdown, “national parks will remain as accessible as possible while still following all applicable laws and procedures,” said National Park Service spokesman Jeremy Barnum.

“However, services that require staffing and maintenance such as campgrounds and full service