NOUS60 PHFO 311644 FTMHKI WSR-88D NOTIFICATION NATIONAL WEATHER SERVICE HONOLULU HI 644 AM HST SUN MAR 31 2024 WSR-88D PHKI/SOK KAUAI RADAR WILL BE DOWN FOR TESTING TODAY SUNDAY MARCH 31 2024 BETWEEN 0630 AM AND 0300 PM. $$