More for Alabama: Highest flood risk cities · Alabama live outlook

Current risk outlook

Flooding and heavy rain risk for Semmes, AL.

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 (46/100) · Rain 59% · 0.5 in · Max wind 0 to 5 mph.

1 active alert nearby.

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

Historical risk score

Long-term baseline derived from historical hazard activity.

32

/ 100

Flood risk score32/100

For typical homes located in Semmes, AL.

Baseline context

FEMA NFHL flood zones: 5 features intersect this tile.

Local historical hazard map

Semmes, AL

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: MOB · radar KMOB

Active alerts near Semmes

Dense Fog Advisory

Effective local time

Dense Fog Advisory issued May 11 at 3:49AM CDT until May 11 at 9:00AM CDT by NWS Mobile AL

If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

Flood intelligence snapshot

FEMA flood zones (NFHL)

No FEMA zones returned for this tile.

NFHL features in tile: 0

Tile risk label: Minimal

Source: FEMA NFHL (MapServer).

Nearest river gauge (USGS)

CROOKED CREEK NEAR FAIRVIEW, AL. (02479980)

Stage: -0.03 ft

Discharge: 10 ft3/s

Observed: local time

Distance from Semmes: 5 mi

Source: USGS NWIS (instant values).

Soil saturation (model)

Soil moisture data unavailable right now.

Source: Open-Meteo soil model (proxy).

5-day flood & rain outlook

Today

MODERATE

Rain chance: 59% · 0.5 in

Max wind: 0 to 5 mph

Risk score: 46/100

Tomorrow

LOW

Rain chance: 7% · 0.0 in

Max wind: 0 to 5 mph

Risk score: 13/100

Wed

LOW

Rain chance: 11% · 0.0 in

Max wind: 0 to 5 mph

Risk score: 14/100

Thu

LOW

Rain chance: 1%

Max wind: 5 to 10 mph

Risk score: 10/100

Fri

LOW

Rain chance: 2%

Max wind: 5 mph

Risk score: 11/100

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

Historical flooding exposure

Local flood data facts

NFHL features in this tile0
Nearest USGS gauge5 mi · -0.03 ft

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

Historical flooding exposure in Semmes

  • 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 Semmes

Does Semmes 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.