Hawaii, 2003

High Wind in Hawaii, December 21, 2003

December 21, 2003 · NWS HFO · 3 events in 3 counties and zones

North to northeast winds of 35 to 45 mph, with gusts to 50 mph, swept across the summits of Mauna Kea and Mauna Loa on the Big Island of Hawaii. There were no reports of serious property damage or injuries.

Where it happened

Every event with a place to put it; 2 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
3

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.

North to northeast winds of 35 to 45 mph, with gusts to 50 mph, swept across the summits of Mauna Kea and Mauna Loa on the Big Island of Hawaii. 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 Dec 21, 4:00 AM HST, 0 minutes earlier.

Area forecast discussion, Dec 21, 4:00 AM HST, 0 minutes before
HAWAIIAN ISLANDS FORECAST DISCUSSION...CORRECTED
NATIONAL WEATHER SERVICE HONOLULU HI
400 AM HST SUN DEC 21 2003

.SYNOPSIS...
LIGHT TO MODERATE TRADE WINDS TODAY WILL GRADUALLY INCREASE BY
MIDWEEK...LIKELY BECOMING STRONG AND GUSTY AFTER CHRISTMAS DAY. FINE
WEATHER EARLY IN THE WEEK WILL GRADUALLY BECOME MORE SHOWERY TOWARD
NEXT WEEKEND.

&&

.DISCUSSION...
LIGHT TRADE WINDS WINDS SOUTH OF A WEAK HIGH PRESSURE CENTER PASSING
NEARBY TO OUR NORTH WILL KEEP ISLAND WEATHER GENERALLY SUNNY AND DRY
INTO THE EARLY PART OF THE COMING WEEK. A STRONG HIGH PRESSURE
SYSTEM OF 1035MB OR MORE IS EXPECTED TO SLIP INTO PLACE FAR TO OUR
NORTHEAST LATER IN THE WEEK...INCREASING THE FETCH AND STRENGTH OF
OUR TRADE WINDS... AND ALSO BRINGING AN INCREASE IN TRADE SHOWERS BY
FRIDAY AND INTO NEXT WEEKEND.

HIGH PRESSURE ALOFT...WHICH IS CAUSING STRONG NORTHERLY WINDS OVER
THE SUMMIT AREAS OF THE BIG ISLAND TODAY WILL KEEP SUBSIDENCE
STRONG AND SHOWERS MINIMAL ACROSS THE STATE FOR THE NEXT FEW DAYS.
WE WILL SEE SOME INCREASE IN SHOWERS...MAINLY WINDWARD AND MAUKA
SECTIONS...TOWARD THE END OF THE COMING WORK WEEK.

&&

.HFO WATCHES/WARNINGS/ADVISORIES...
HIGH WIND WARNING FOR SUMMIT AREAS OF THE BIG ISLAND
HIGH SURF ADVISORY NORTH AND WEST FACING SHORES KAUAI OAHU MOLOKAI
AND MAUI.
SMALL CRAFT ADVISORY ALL HAWAIIAN WATERS FOR NW SWELL.

&&

FARRELL

The radar

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

Open the radar archive at this moment

Event by event

3 high wind. Local standard time, as filed.

High Wind, North and East Hawaii

When
December 21, 4:00 AM HST to 4:00 PM HST
Where
North and East Hawaii forecast zone
Measured
40 kt (46 mph) measured sustained
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
22.011, -159.705 (the zone’s center; the record gives no point)

High Wind, South Hawaii

When
December 21, 4:00 AM HST to 4:00 PM HST
Where
South Hawaii forecast zone
Measured
40 kt (46 mph) measured sustained
Reported by
AWOS,ASOS,MESONET,ETC

High Wind, West Hawaii

When
December 21, 4:00 AM HST to 4:00 PM HST
Where
West Hawaii forecast zone
Measured
40 kt (46 mph) measured sustained
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
21.455, -157.961 (the zone’s center; the record gives no point)

What these are

High Wind
Sustained non-thunderstorm winds of 40 mph or more for an hour, or gusts of 58 mph or more.

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

The same day elsewhere

More

Every storm in Hawaii in 2003Every state in 2003This day in weather historyWarnings in Hawaii, December 2003

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: 5327922, 5327923, 5327924.