forewarn

Because the U.S. and Israel had forewarning, the attack resulted in little damage and no loss of life.

Be forewarned that the notifications are not 100% accurate; drivers will occasional mark a package delivered prematurely, then bring it to your doorstep a day or two later.

More than one million Palestinians, in response to Israeli orders, have evacuated Rafah to areas that have "almost no infrastructure, no sanitation, no water, no commercial centers" and have since been attacked "without forewarning."

But be forewarned, you might want to start watching your local NBC affiliate about 15 minutes before the scheduled start of the race, just to be safe.

His voice is calm yet forewarning, like thunder from a storm that hasn’t hit yet.