Hawaii, 2010

Wildfire in Hawaii, May 22 to 23, 2010

May 22 to 23, 2010 · NWS HFO · 1 event in 1 county or zone

A brush fire scorched around 300 acres of dry grass and kiawe on the lee side of the Big Island of Hawaii, several miles south of the Lapakahi State Historical Park in the North Kohala District. No one was injured in the blaze, no homes were threatened, and there were no evacuations.

Where it happened

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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.

A brush fire scorched around 300 acres of dry grass and kiawe on the lee side of the Big Island of Hawaii, several miles south of the Lapakahi State Historical Park in the North Kohala District. No one was injured in the blaze, no homes were threatened, and there were no evacuations. Property damage estimates were not available. The cause of the fire was under investigation, though initial reports suggested that exhaust from a compressor may have been responsible.

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 May 22, 10:00 AM HST, 25 minutes earlier.

Area forecast discussion, May 22, 10:00 AM HST, 25 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HONOLULU HI
1000 AM HST SAT MAY 22 2010

.SYNOPSIS...
HIGH PRESSURE NORTHEAST OF THE STATE WILL PRODUCE MODERATE TO BRISK
TRADE WINDS INTO THE FIRST HALF OF NEXT WEEK. THE TRADES WILL USHER
IN SHOWER-BEARING CLOUDS TO WINDWARD AND MAUKA SECTIONS. AN UPPER
LEVEL LOW MOVING OVER THE ISLANDS SUNDAY AND MONDAY WILL BRING
ADDITIONAL SHOWERS TO THE ISLANDS.
&&

.DISCUSSION...
THERE ARE NO CHANGES TO THE FORECAST LOGIC THIS MORNING...SO WILL
STICK WITH THE PREVIOUS DISCUSSION. THERE IS A GREATER CHANCE OF
RAPID FIRE GROWTH THIS AFTERNOON...SO PLEASE READ THE FIRE WEATHER
SECTION BELOW.

.PREVIOUS DISCUSSION...
MODEL AGREEMENT REMAINS GOOD WITH THE HIGH PRESSURE SYSTEM NORTHEAST
OF THE ISLANDS BEING THE DOMINATE WEATHER FEATURE FOR MOST OF THE
WEEK. THERE IS ALSO GOOD AGREEMENT WITH AN UPPER LEVEL LOW MOVING
OVER THE ISLANDS...MAINLY OVER THE BIG ISLAND...SUNDAY THROUGH
MONDAY NIGHT.

THE HIGH PRESSURE SYSTEM AT THE SURFACE WILL CONTINUE TO BRING
TRADES TO THE ISLAND FOR THE FORECAST PERIOD...AND WILL KEEP MOST OF
THE SHOWER ACTIVITY TO THE WINDWARD AND MAUKA AREAS. THE AIRMASS
OVER AND UPSTREAM OF THE ISLANDS REMAINS ON THE DRY SIDE...SO
RAINFALL VALUES WILL CONTINUE TO BE ON THE LIGHT SIDE.

THAT BEING SAID...THE UPPER LEVEL LOW WILL LIKELY HELP TO RAISE THE
INVERSION LEVELS AROUND THE ISLANDS...WHICH COULD RESULT IN AN
INCREASE IN SHOWERS. STILL NOT SEEING ENOUGH INSTABILITY OR MOISTURE
FOR THE UPPER LEVEL LOW TO TRIGGER HEAVY SHOWERS...SO THAT REMAINS
OUT OF THE GRIDS.

LATER ON IN THE WEEK HOWEVER...THE GFS IS SHOWING COLDER
TEMPERATURES AT 500 MB. THIS COULD MEAN THAT HEAVIER SHOWERS ARE
POSSIBLE TOWARDS MID WEEK...BUT WITH THE MODELS NOT SO GOOD ON THE
TIMING HERE...WILL HOLD OFF ON MAKING ANY CHANGES THAT FAR OUT.

WINDS ATOP HALEAKALA CAME BACK UP OVERNIGHT...AND IT LOOKS LIKE THEY
WILL REMAIN ABOVE THE ADVISORY LEVEL OF 30 MPH THROUGH TOMORROW
AFTERNOON.

&&

.MARINE...
THE WINDY CONDITIONS HAVE TRIGGERED A SMALL CRAFT ADVISORIES FOR
THE CHANNELS...MAALAEA BAY AND WATERS SOUTH OF THE BIG ISLAND.

&&

.AVIATION...
VFR CEILINGS AND VISIBILITIES WILL PREVAIL WITH MVFR CEILINGS AND
VISIBILITIES POSSIBLE WITH TRADE SHOWERS. AIRMET TANGO IS IN EFFECT
FOR TURBULENCE BELOW 7000 FEET.

&&

.FIRE WEATHER...
RELATIVE HUMIDITIES ARE RUNNING BELOW THOSE CALCULATED YESTERDAY...
SO THEY MAY VERY WELL DROP BELOW THE 45 PERCENT THRESHOLD. COMBINED
WITH THE VERY HIGH KBDI AND THE BRISK TRADES...THERE IS A GREATER
CHANCE OF RED FLAG CONDITIONS OVER LEEWARD SECTIONS THIS AFTERNOON.
WILL BE KEEPING A CLOSE EYE ON THE SITUATION.

&&

.HFO WATCHES/WARNINGS/ADVISORIES...
SMALL CRAFT ADVISORY UNTIL 6 PM HST SUNDAY FOR KAUAI KAIWI PAILOLO
AND ALENUIHAHA CHANNELS...MAALAEA BAY...WATERS SOUTH OF THE BIG
ISLAND.

WIND ADVISORY FOR HALEAKALA SUMMIT UNTIL 6 PM HST SUNDAY.

&&

CRAIG

The radar

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

Open the radar archive at this moment

Event by event

1 wildfire. Local standard time, as filed.

Wildfire, Kohala

When
May 22, 10:25 AM HST to May 23, 6:00 PM HST
Where
Kohala forecast zone
Reported by
Newspaper
Coordinates
19.602, -155.523 (the zone’s center; the record gives no point)

What these are

Wildfire
A fire burning in wildland vegetation, with its acreage and damage where known.

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

The same day elsewhere

More

Every storm in Hawaii in 2010Every state in 2010This day in weather historyWarnings in Hawaii, May 2010

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: 223690.