Hawaii, 2012

Drought in Hawaii, January 31, 2012

January 31, 2012 · NWS HFO · 2 events in 2 counties and zones

With little rainfall over the month, Lanai reached the D2 level of severe drought on the last day of January.

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
2

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.

With little rainfall over the month, Lanai reached the D2 level of severe drought on the last day of January.

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 31, 4:00 AM HST, 2 hours earlier.

Area forecast discussion, Jan 31, 4:00 AM HST, 2 hours before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HONOLULU HI
400 AM HST TUE JAN 31 2012

.SYNOPSIS...
TRADE WINDS WILL SLOWLY WEAKEN TODAY AS A FRONT APPROACHES THE
ISLANDS FROM THE NORTHWEST. THIS SYSTEM MAY BRING SLIGHTLY STRONGER
WINDS BRIEFLY WEDNESDAY NIGHT INTO THURSDAY AND POSSIBLY A LITTLE
MORE CLOUDS AND SHOWERS FOR THE NORTHERN ISLANDS. A RIDGE WILL MOVE
SOUTH ACROSS THE ISLANDS OVER THE WEEKEND...BRINGING LIGHT WINDS AND
GENERALLY DRY CONDITIONS.

&&

.DISCUSSION...
AN AREA OF LOW CLOUDS IS SPREADING OVER THE SMALLER ISLANDS THIS
MORNING...PROVIDING SOME SHOWERS. EXPECT THESE PASSING CLOUDS TO
KEEP THE MORNING SKIES A LITTLE CLOUDIER...ESPECIALLY OVER THE
WINDWARD AREAS. AIR MASS REMAINS STABLE IN THE ISLAND
VICINITY...WHILE A SURFACE HIGH PRESSURE FAR NORTHEAST OF THE STATE
CONTINUES TO PROVIDE MODERATE TRADE WINDS. THUS PASSING SHOWERS
ASSOCIATED WITH THESE CLOUDS WILL BRING ONLY LIMITED PRECIPITATION.
EXPECT MOSTLY SUNNY SKIES FOR MOST ISLANDS BY THE AFTERNOON...AS
SOME OF THESE LOW CLOUDS DISSIPATE UNDER THE INSOLATION.

A FRONT FAR NORTHWEST OF THE ISLANDS EARLY THIS MORNING WILL ADVANCE
CLOSER TO THE STATE IN THE NEXT COUPLE OF DAYS AND WEAKEN TO A SHEAR
LINE. AS SUCH...THE SURFACE HIGH CURRENTLY FAR NORTHEAST WILL MOVE
FURTHER EAST...AWAY FROM THE ISLANDS AND WEAKEN. A DECREASE OF THE
TRADE WINDS OVER THE STATE IS EXPECTED THROUGH WEDNESDAY.
REMARKABLY...CONSISTENT FORECAST SOLUTION DIFFERENCES CONTINUE TO
EXIST BETWEEN MODELS...WITH THE EUROPEAN MODEL HAS THIS SHEAR LINE
JUST REACHING KAUAI EARLY THURSDAY AND DISSIPATING...WHILE GFS
CONTINUES TO STALL THIS SHEAR LINE NORTH OF KAUAI. BOTH MODELS DO
HINT A POSSIBLE INCREASE IN THE MOISTURE FOR THE ISLANDS LATE
WEDNESDAY AND THURSDAY...AS WELL AS A SLIGHT UPTICK IN THE WINDS ON
WEDNESDAY NIGHT. HENCE HAVE KEPT FORECAST PACKAGE SLIGHTLY WETTER
FOR LATE WEDNESDAY AND THURSDAY AT THIS TIME...ESPECIALLY FOR KAUAI.

A SURFACE RIDGE IS NOW EXPECTED TO MOVE ACROSS THE ISLANDS OVER THE
WEEKEND...WITH WESTERLY WINDS DEVELOPING OVER THE STATE BY EARLY
NEXT WEEK. LOOK FOR GENERALLY DRY CONDITIONS ACROSS THE STATE OVER
THE WEEKEND...WITH LOCAL LAND AND SEA BREEZES...AND AFTERNOON
INTERIOR CLOUDS DEVELOPING UNDER THE WEAK WIND REGIME.

&&

.AVIATION...
AN AIRMET FOR LOW LEVEL TURBULENCE OVER AND IMMEDIATE DOWNWIND OF
THE ISLANDS CONTINUES AS MODERATE TRADE WINDS PERSIST.

&&

.MARINE...
THE VERY LARGE NORTHWEST SWELL MAY HAVE PEAKED OVERNIGHT ON
OAHU...THOUGH SURF WILL REMAIN QUITE LARGE FOR THE NORTH AND WEST
FACING SHORES OF THE NORTHERN ISLANDS AND EVEN THE KONA WEST FACING
SHORES OF THE BIG ISLAND. A HIGH SURF WARNING REMAINS IN EFFECT FOR
NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU AND MOLOKAI...AND
NORTH FACING SHORES OF MAUI...WHILE A HIGH SURF ADVISORY REMAINS IN
EFFECT FOR KONA WEST FACING SHORES OF THE BIG ISLAND. THIS SWELL
EPISODE WILL SLOWLY SUBSIDE OVER THE NEXT COUPLE OF DAYS.

THE STILL MODERATE TRADE WINDS TODAY AND THE LARGE NORTHWEST SWELL
WILL PRODUCE HAZARDOUS WINDS AND/OR SEAS ACROSS THE HAWAIIAN
WATERS...BRINGING SMALL CRAFT CONDITIONS FOR ALL COASTAL WATERS.

&&

.HFO WATCHES/WARNINGS/ADVISORIES...
HIGH SURF WARNING UNTIL 6 PM HST TUESDAY FOR NORTH AND WEST FACING
SHORES OF NIIHAU...KAUAI...OAHU AND MOLOKAI AND NORTH FACING SHORES
OF MAUI.

HIGH SURF ADVISORY UNTIL 6 PM HST TUESDAY FOR KONA WEST FACING
SHORES OF THE BIG ISLAND.

SMALL CRAFT ADVISORY UNTIL 6 AM HST WEDNESDAY FOR ALL HAWAIIAN
WATERS

&&

HUI

The radar

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

Open the radar archive at this moment

Event by event

2 drought. Local standard time, as filed.

Drought, Lanai Makai

When
January 31, 6:00 AM HST to 11:59 PM HST
Where
Lanai Makai forecast zone
Reported by
Other Federal Agency

Drought, Lanai Mauka

When
January 31, 6:00 AM HST to 11:59 PM HST
Where
Lanai Mauka forecast zone
Reported by
Other Federal Agency
Coordinates
21.027, -156.788 (the zone’s center; the record gives no point)

What these are

Drought
A drought reaching severe (D2) or worse on the US Drought Monitor, or with notable impacts.

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

The same day elsewhere

More

Every storm in Hawaii in 2012Every state in 2012This day in weather historyWarnings in Hawaii, January 2012

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: 357477, 357478.