Another balloon watch in effect. This one is being reported at ~1000km east of Honolulu at 26.39 N 150.21 W. Multiple ACARS messages like the ones below about a large white balloon between FL400-500. N572DZ (Delta flight 837) was informed because they went right by the location. https://t.co/YbNrFOyDcN pic.twitter.com/Hsc7Fwi8Q9

— IntelWalrus (@IntelWalrus) February 20, 2023