Heavy Rain, Hawaii
- When
- May 23, 11:42 PM HST to May 24, 1:17 AM HST
- Where
- Hawaii County, 0.68 mi N of Hawi to 2.26 mi WNW of Waikoloa Village
- Reported by
- Official NWS Observations
- Coordinates
- 20.240, -155.832
Heavy Rain in Hawaii, May 23 to 24, 2013
Heavy rain fell over northwest parts of the Big Island of Hawaii. The showers caused small stream and drainage ditch flooding, and ponding on roadways.
Where it happened
Every event with a place to put it. 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
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 rain fell over northwest parts of the Big Island of Hawaii. The showers caused small stream and drainage ditch flooding, and ponding on roadways. There were no reports of serious injuries or property damage.
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 23, 8:30 PM HST, 3 hours 12 minutes earlier.
Area forecast discussion, May 23, 8:30 PM HST, 3 hours 12 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE HONOLULU HI 830 PM HST THU MAY 23 2013 .SYNOPSIS... A TRADE WIND REGIME WILL GRADUALLY STRENGTHEN ACROSS THE AREA...WITH POSSIBLE LOCALLY BREEZY CONDITIONS DEVELOPING BY FRIDAY. SHOWERS WILL FAVOR WINDWARD AND MOUNTAIN AREAS. THE TRADE WIND PATTERN IS EXPECTED TO PREVAIL THROUGH EARLY NEXT WEEK. && .DISCUSSION... A STRENGTHENING SFC HIGH CENTERED FAR NE OF THE ALOHA STATE WILL BRING INCREASING TRADE WINDS ACROSS THE MAIN HAWAIIAN ISLANDS DURING THE NEXT SEVERAL DAYS. LATEST WV SATELLITE IMAGERY SHOWS AN UPPER LVL TROUGH FAR N OF THE ISLAND CHAIN...WHICH IS KEEPING TIGHTER PRESSURE GRADIENTS AROUND 14-15 KFT. THUS...WINDS OVER THE BIG ISLAND SUMMITS ARE STILL AROUND ADVISORY CRITERIA...FOR WHICH A WIND ADVISORY REMAINS IN EFFECT THROUGH FRI MORNING. GLOBAL MODELS ARE IN FAIR AGREEMENT...SHOWING THE TROUGH ALOFT SHIFTING SE AND QUICKLY WEAKENING AS AN UPPER LVL RIDGE BUILDS TO THE N/NW OF THE ISLANDS. MEANWHILE...THE SFC HIGH WILL EXPAND ACROSS THE NCPAC AND BRING INCREASING TRADES THROUGH THE WEEKEND. EXPECT LOCALLY BREEZY CONDITIONS DEVELOPING BY FRIDAY...CONTINUING THROUGH THE REST OF THE HOLIDAY WEEKEND AND INTO EARLY NEXT WEEK. WITH THE TRADE WIND PATTERN ESTABLISHING ACROSS THE ISLANDS...SHOWER ACTIVITY WILL FOCUS OVER WINDWARD AND MAUKA AREAS. ENOUGH LINGERING MOISTURE AND DAYTIME HEATING INSTABILITY WILL KEEP CHANCES FOR MORE ACTIVE TRADE SHOWERS THROUGH FRI NIGHT. && .AVIATION... THE HAWAII TERMINALS WILL REMAIN MAINLY VFR WITH ISOLATED MVFR CEILINGS AND VIS OVER WINDWARD AREAS. AS THE TRADE WINDS STRENGTHEN...MODERATE LOW LEVEL TURBULENCE MAY DEVELOP TOMORROW AND REQUIRE AN AIRMET. && .MARINE... A DECREASING S SWELL STILL LINGERS AROUND THE ISLANDS WITH SURF ALONG S SHORES REMAINING BELOW ADVISORY LEVELS DURING THE NEXT SEVERAL DAYS. THE NW SWELL WILL GRADUALLY DIMINISH THROUGH THE WEEKEND. THE TRADES WILL CONTINUE TO STRENGTHEN...NEARING OR REACHING SMALL CRAFT ADVISORY LEVELS OVER THE WINDIER LOCATIONS NEAR MAUI COUNTY AND THE BIG ISLAND TOMORROW. && .HFO WATCHES/WARNINGS/ADVISORIES... WIND ADVISORY UNTIL 600 AM FRIDAY MORNING FOR BIG ISLAND SUMMITS. && DISCUSSION/MARINE...REYNES AVIATION...MORRISON
The radar
The national radar mosaic for the moment the first event began.
Event by event
1 heavy rain. Local standard time, as filed.
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
- Flash Flooding and Flooding in Vermont, May 23 to 28, 2013
- Tornadoes and Hail in Texas, May 23, 2013
- Tornado and Hail in Texas, May 23, 2013
- Flash Flooding and Hail in Texas, May 23, 2013
- Flash Flooding and Hail in Oklahoma, May 23, 2013
- High Wind in Wyoming, May 23 to 24, 2013
- Hail and Damaging Wind in New York, May 23, 2013
- Lightning Strikes in West Virginia, May 23, 2013
- Flash Flooding in New York, May 23, 2013
- Flash Flooding in Maryland, May 23, 2013
- Flash Flooding in Texas, May 23 to 24, 2013
- Flash Flood and Damaging Winds in Connecticut, May 23, 2013
More
Every storm in Hawaii in 2013Every state in 2013This day in weather historyWarnings in Hawaii, May 2013
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: 445817.