Flood risk snapshot · Ualapue, HI

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Current risk outlook

Flooding and heavy rain risk for Ualapue, HI.

Live conditions updated just now. Refreshes every 5–40 minutes.

This view focuses on street flooding, ponding in low-lying areas, and how heavy rain tends to behave around this city.

Live risk outlook

MODERATE

Moderate

Next 6–24 hours: Today: Moderate (39/100) · Rain 42% · 0.6 in · Max wind 18 mph.

1 active alert nearby.

Sources: NOAA, NWS, SPC, NHC, FEMA, USGS.

Historical risk score

Long-term baseline derived from historical hazard activity.

82

/ 100

Flood risk score82/100

For typical homes located in Ualapue, HI.

Baseline context

FEMA NFHL flood zones: 6 features intersect this tile.

Local historical hazard map

Ualapue, HI

Historical baseline tiles

Click a tile to update scores. These layers show long-term historical baseline risk, not live warnings or short-term forecast risk.

Live flood alerts & official forecast (NWS)

Forecast office: HFO · radar PHMO

Active alerts near Ualapue

Coastal Flood Statement

Effective local time

Coastal Flood Statement issued August 9 at 3:46AM HST until August 11 at 6:00PM HST by NWS Honolulu HI

Do not drive through flooded roadways. Owners of properties in low-lying shoreline areas or near waterways should consider moving any electronics, vehicles, or other valuables to higher ground. Boaters should monitor their vessels to ensure mooring lines don't get too tight and be aware of overwash around boat ramps at high tide. Any recreational watercraft on beaches, such as canoes, should be secured or moved.

Flood intelligence snapshot

FEMA flood zones (NFHL)

Dominant zone: AE (65% of features)

SFHA share: 78% (feature-weighted)

NFHL features in tile: 111

Tile risk label: High

Source: FEMA NFHL (MapServer).

Nearest river gauge (USGS)

No nearby USGS gauges reporting right now.

Source: USGS NWIS (instant values).

Soil saturation (model)

Soil moisture: 4% volumetric

Last 24h rain: 0.35 in

Updated: local time

Source: Open-Meteo soil model (proxy).

5-day flood & rain outlook

Today

MODERATE

Rain chance: 42% · 0.6 in

Max wind: 18 mph

Risk score: 39/100

Tomorrow

LOW

Rain chance: 26% · 0.2 in

Max wind: 18 to 22 mph

Risk score: 20/100

Tue

LOW

Rain chance: 16% · 0.0 in

Max wind: 18 mph

Risk score: 16/100

Wed

LOW

Rain chance: 14%

Max wind: 17 to 21 mph

Risk score: 16/100

Thu

LOW

Rain chance: 24%

Max wind: 24 mph

Risk score: 20/100

Outlook blends NWS forecast, WPC QPF totals, and Excessive Rainfall Outlook categories.

Historical flooding exposure

Local flood data facts

NFHL features in this tile111
Dominant FEMA zoneAE (65%)
SFHA share of features78%
Soil moisture (topsoil)4% · 0.35 in rain

Data from FEMA NFHL, USGS gauges, and Open-Meteo soil moisture.

Historical flooding exposure in Ualapue

  • Lowest-lying streets and drainage chokepoints tend to flood first during heavy rain.
  • Long-duration rainfall can raise ponding risk even without a named storm.
  • Local elevation and canal/river networks can amplify or reduce flood impacts.

Flood & storm risk FAQs for Ualapue

Does Ualapue flood often?

Flooding risk depends on elevation, drainage, and rainfall intensity. This model summarizes localized flood patterns from public datasets.

What causes street flooding without a storm surge?

Short bursts of heavy rain can overwhelm drains; longer events can saturate soils and keep water standing even after rain ends.