Topic outline


    • Readings

    • FFGS offers a range of products related to flash flood, including diagnostic, prognostic, snow, risk, and threat. The resources listed below were developed by WMO-FFGS to provide information such as definitions, benefits, limitations, explanations on how the products are calculated, what data are used,  and update time, to mention a few.

      Global Hydro Estimator (GHE)

      Microwave adjusted Global Hydro Estimator (MWGHE)

      Merged Mean Areal Precipitation (MAP)

      Average Soil Moisture (ASM)

      Flash Food Guidance (FFG)

      Sacramento Soil Moisture Accounting Model (SAC-SMA)

      Forecast Mean Areal Precipitation (FMAP)

      Forecast Precipitation

      Imminent Flash Flood Threat (IFFT)

      Persistent Flash Flood Threat (PFFT)

      Forecast Flash Flood Threat (FFFT)

      Flash Flood Risk (FFR)

      Snow Coverage Area

      Snow Melt

      Snow Water Equivalent (SWE)

      SNOW-17 Model

    • Daily Guidance for the FFGS Forecasting

      This is a Check List developed to assist operational forecasters to prepare flash flood warnings. This resource is provided in MS Word format to allow easy editing of the check list. Prepared by the South African Weather Service (SAWS).

    • South East Europe Flash Flood Guidance System - Forecaster Guide

      Developed by WMO and FFGS trainers from South East Europe, this guide is designed to assist operational forecasters using FFGS and preparing flash flood forecasts and warnings.

    • Black Sea and Middle East Flash Flood Guidance System - User Guide

      This User Guide was developed by the Turkish State Meteorological Service (TSMS) to assist operational forecasters using FFGS and preparing flash flood forecasts and warnings.


    • Games

    • These games add a bit of fun to learning, helping to check and refresh knowledge about FFGS products. The online games are suitable for individual and group training of FFGS product users. Printing versions (PDF format) are also available for some of the games. All games were prepared by WMO-FFGS.

      FFGS Products - True or False

      FFGS Gameshow Quiz

      FFGS Products - Match up

      Describe FFGS Products

      FFGS Products’ names - Anagram game

      FFGS Unjumble

      FFGS Products - Find the match

      FFGS BINGO