1 heavy rain, as filed by the National Weather Service.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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 26, 6:30 PM HST, 2 hours 10 minutes earlier.
HAWAIIAN ISLANDS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HONOLULU HI 830 PM PST FRI MAR 26 2004 .SYNOPSIS... POSSIBLE THUNDERSHOWERS TONIGHT...CLEARING TOMORROW AFTERNOON. FRESH TRADE WINDS WITH A FEW LIGHTER SHOWERS BEGINNING LATE SUNDAY THROUGH TUESDAY. && .DISCUSSION...THE UPPER LEVEL TROUGH..WHICH DEVELOPED A WAVE.. THICKENED OUR CLOUDS AND GENERATED A QUICK PASSING LINE OF THUNDERSHOWERS THAT AFFECTED OAHU THIS AFTERNOON. THE TROUGH CAN STILL PRODUCE SOME THUNDERSTORMS TONIGHT FROM A LINE OF LOWER CLOUDS THAT IS NOW PASSING 150 MILES SOUTH OF THE BIG ISLAND. WE ARE MAINTAINING A FLASH FLOOD WATCH IN THE EVENT THAT THIS SHOWER LINE TURNS TOWARD THE ISLANDS. NEWLY MODELED WIND FLOW PROJECTIONS SUGGEST THAT THIS MAY NOW BE UNLIKELY. HOWEVER WE WILL MAINTAIN THE WATCH TONIGHT AND MONITOR THE SHOWER LINES POSSIBLE TURN TOWARD THE STATE. OTHERWISE THE IMPROVING TREND STILL LOOKS GOOD...THE UPPER LEVEL TROUGH IS EXPECTED TO CLEAR MOST OF THE ISLANDS TOMORROW INTRODUCING SUNNIER AND DRIER CONDITIONS WITH ONLY ISOLATED SHOWERS. BEYOND TOMORROW..A HIGH IS EXPECTED TO PASS NORTH OF THE ISLANDS ON SUNDAY/MONDAY AND RETURN FRESH TRADE WINDS ALONG WITH A WEAK SHEARLINE SUNDAY THRU TUESDAY...ITS SHOWERS WILL BE LIGHTER AND FEWER THAN THE CURRENT ONES. STILL ANOTHER..ALSO WEAK..SHEARLINE MAY ARRIVE NEXT FRIDAY. && .WATCHES/WARNINGS/ADVISORIES... FLASH FLOOD WATCH...KAUAI OAHU MOLOKAI LANAI AND MAUI TIL 4 AM MATSUDA
The national radar mosaic for the moment the first event began.
1 heavy rain. Local standard time, as filed.
Heavy showers produced ponding of roadways, and small stream and drainage ditch flooding in eastern parts of East Maui, from Nahiku to Hana to Kipahulu. There were no reports of serious property damage or injuries.
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: 5431387.