CERF Nigeria — Trigger Explorer

Geographic Selection

State

Floodscan Reference RP

3-yr 4-yr 5-yr

Affected LGAs

Reference Flooding Years

3-yr RP

4-yr RP

5-yr RP

Gauge Overview — GRRR

Highlight top-10 selected gauges

Quality verified (GRRR)

Not quality verified (GRRR)

GloFAS station

GRRR marker size = Spearman ρ with Floodscan

Action Trigger — GRRR Multi-Gauge

RP Source

Google official Empirical (Gumbel)

RP Level

Gauges required

1 gauge

Readiness Trigger — GloFAS Reforecast

Leadtime

5 days

Threshold

—

Reanalysis

Include as leadtime 0

Signal Timeline — GloFAS Trigger vs Floodscan

Signal source

Reanalysis Reforecast

GloFAS readiness trigger

Floodscan RP crossing

Action trigger (activation date)

Floodscan annual peak

F / R / A Flood event / Readiness / Action — filled = yes