ASEAN Fire Weather Index (FWI) map

The image below shows the recent Fire Weather Index (FWI) map, obtained from the Malaysian Meteorological Services. You can place a Registration Point anywhere in the ASEAN region, and the ASEAN Fire Alert Tool will be able to send you Push Notifications whenever we observe a change in FWI. Register or sign-in here.

Show / Hide FWI Image Overlay


Note: The above FWI image map overlaid on Google Maps is based on visual approximation only. You can use your mouse to zoom and pan (and toggle to "switch on/off" the overlay FWI image).

Fire Weather Index (FWI)
(Ref: http://www.met.gov.my/web/metmalaysia/home)

The FWI values shown on the map are numerical ratings of fire intensity and general fire danger across the landscape that combine the ISI and BUI. The index is often used to indicate the difficulty of fire control based on the head fire intensity and fire fighting capability.

For the interpretation of the map, please refer to the table below:-

 

 Class-Difficulty of Control

Low

Low fire intensity. Fire will spread slowly or be self-extinguishing. Grassland fires can be successfully controlled using hand tools.

Medium

Moderate fire intensity in grass. Hand tools will be effective along the fire flanks, but water under pressure (pumps, hose) maybe required to suppress the head fire in grasslands.

High

High fire intensity in grass. Direct attack at the fire head will require water under pressure, and mechanized equipment may be required to build control lines (e.g: bulldozer).

Extreme

Very high fire intensity in grass. Fire control will require construction of control lines by mechanized equipment and water under pressure. Indirect attack by back-burning between control lines and the fire may be required.

 Low = 0 - 1 Moderate = 2 - 6 High = 7 - 13 Extreme >13

 

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