1 heavy rain, as filed by the National Weather Service.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Honolulu, HI wrote its last area forecast discussion before the first event at Mar 27, 4:32 AM HST, 1 hour 3 minutes earlier.
NARRATIVE SYNOPTIC DISCUSSION FOR AMERICAN SAMOA AND THE INDEPENDENT STATE OF SAMOA TODAY AND SUNDAY... THE SURFACE TROUGH APPEARS TO BE JUST SOUTH OF SAMOA WITH A ZONE OF CONVERGENCE REMAINING OVER THE ISLANDS. AT THE MOMENT THERE MAY BE A FEW SHOWERS OVER UPOLU AND THE CHANNEL BETWEEN UPOLU AND TUTUILA, BUT MOST OF THE REGION APPEARS TO BE PARTLY CLOUDY WITH LITTLE ACTIVE WEATHER. THIS IS LIKELY TO CHANGE AT ANY TIME WITH THE MOIST, UNSTABLE AIRMASS POISED TO FOSTER SHOWERS AND POSSIBLE THUNDERSTORMS AT ANY TIME. THE GFS CONTINUES TO TRY AND FORM A LOW JUST SOUTH OF SAMOA WHILE THE OTHER PROGS CONTINUE THEIR SOLUTION OF MAINTAINING AN OPEN TROUGH. EITHER WAY, UNSETTLED WEATHER WILL LIKELY REMAIN OVER THE REGION THROUGH THE WEEKEND. THE WIND FORECAST MAY BE SUBJECT TO CHANGE DEPENDING ON THE FORMATION OF THE LOW. THE GFS HAS NOT DONE WELL WITH RESPECT TO THE LOW AND BELIEVE IT IS LESS LIKELY TO BE THE CORRECT SOLUTION. WEST TO NORTHWEST WINDS SHOULD CONTINUE AT 10 TO 15 KNOTS, POSSIBLY A BIT STRONGER SUNDAY. THE NORTHERLY SWELL IS PEAKING AT THIS TIME AND WILL REMAIN AROUND 4 FEET THROUGH SUNDAY, DECREASING SUNDAY NIGHT. OUTLOOK MONDAY THROUGH WEDNESDAY... CONTINUED UNSTABLE AND WET CONDITIONS MONDAY AND TUESDAY WITH THE CONVERGENCE AREA STILL OVER THE ISLANDS. THIS SHOULD SHIFT NORTHWARD WEDNESDAY WITH MORE STABLE, DRIER WEATHER MOVING IN. NORTHWEST WINDS 10 TO 15 KNOTS MONDAY WILL BECOME LIGHT AND VARIABLE TUESDAY THEN SOUTH TO SOUTHWEST AT 5 TO 10 KNOTS WEDNESDAY. NARRATIVE DISCUSSION FOR TUVALU TODAY AND MONDAY...TUVALU TIME... SCATTERED SHOWERS AND THUNDERSTORMS CONTINUE OVER ALL OF TUVALU THIS MORNING. PROGS CONTINUE TO ADVERTISE STILL MORE OF THE SAME THROUGH MONDAY WITH A RIDGE TO THE NORTH, A TROUGH TO THE SOUTH, AND TUVALU CAUGHT IN THE CONVERGENCE BETWEEN THE TWO SYSTEMS. NORTHWEST WINDS 10 TO 15 KNOTS WILL PERSIST THROUGH THE FORECAST PERIOD.
The national radar mosaic for the moment the first event began.
1 heavy rain. Local standard time, as filed.
Heavy showers caused small stream and drainage ditch flooding, and ponding of roadways in eastern areas of East Maui, from Nahiku to Hana to Kipahulu. However, no serious injuries or property damage were reported.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Hawaii in 2004Every state in 2004This day in weather historyWarnings in Hawaii, March 2004
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5431462.