Hawaii, 2005

Heavy Rain in Hawaii, January 9, 2005

January 9, 2005 · NWS HFO · 1 event in 1 county or zone

Heavy showers and isolated thunderstorms caused small stream and drainage ditch flooding, and ponding of roadways in northern coastal areas of central Maui, and northern coastal and lower upslope sections of East Maui. There were no reports of serious property damage or injuries.

Where it happened

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.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
1

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.

What happened

The episode as NWS HFO wrote it up.

Heavy showers and isolated thunderstorms caused small stream and drainage ditch flooding, and ponding of roadways in northern coastal areas of central Maui, and northern coastal and lower upslope sections of East Maui. There were no reports of serious property damage or injuries.

What forecasters said that day

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 Jan 9, 4:00 AM HST, 43 minutes earlier.

Area forecast discussion, Jan 9, 4:00 AM HST, 43 minutes before
HAWAIIAN ISLANDS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HONOLULU HI
400 AM HST SUN JAN 9 2005

.SYNOPSIS...
THE COLD FRONT BROUGHT SEVERE WEATHER TO KAUAI AND OAHU OVERNIGHT
HAS WEAKENED SOMEWHAT THIS MORNING. EXPECT SHOWERS WITH A CHANCE OF
THUNDERSTORMS AS THE FRONT MOVES OVER THE ISLANDS OF MAUI COUNTY
TODAY AND STALLS OVER THE BIG ISLAND TONIGHT AND MONDAY...AS THE
SECOND FRONT MOVES ON DOWN THE ISLAND CHAIN TO JOIN IT. THE KONA
LOW THAT SPAWNED THESE FRONTS WILL KEEP GENERALLY LIGHT WINDS OVER
THE STATE THROUGH THE FORECAST PERIOD.

&&

.DISCUSSION...
THE FIRST COLD FRONT LIES OVER EAST MAUI THIS MORNING...AND WILL
CONTINUE OVER MAUI TODAY...STALLING NEAR OR OVER THE BIG ISLAND
TONIGHT. THE KONA LOW NORTH OF THE STATE WILL KEEP LIGHT...MAINLY
WESTERLY WINDS...OVER THE ISLANDS THROUGH THE FORECAST PERIOD.
DRYER WEATHER IS FORECAST FOR MOST OF THE COMING WEEK...WITH SOME
SHOWERS FROM TIME TO TIME AS WEAK FRONTS SPIKE AROUND THE LOW TO
OUR NORTH.

&&

.HFO WATCHES/WARNINGS/ADVISORIES...
NONE.

&&

FARRELL

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

1 heavy rain. Local standard time, as filed.

Heavy Rain, Maui

When
January 9, 4:43 AM HST to 7:45 AM HST
Where
Maui County, Kahului
Reported by
OFFICIAL NWS OBS.
Coordinates
20.868, -156.617 (the zone’s center; the record gives no point)

What these are

Heavy Rain
Rainfall totals unusual for the place and season that did not produce a flood.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Hawaii in 2005Every state in 2005This day in weather historyWarnings in Hawaii, January 2005

Sources

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: 5435254.