NOUS60 PHFO 071621 FTMHKI WSR-88D NOTIFICATION NATIONAL WEATHER SERVICE HONOLULU HI 621 AM HST THU SEP 7 2023 WSR-88D PHKI/SOK KAUAI RADAR WILL BE DOWN FOR MAINTENANCE FROM 1700Z SEP 7 TO 0030Z SEP 8, 700 AM HST TO 230 PM HST SEP 7. $$