MACS Modes

Four operating modes have been established for the Multi-Agency Coordination System.
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The decision to change modes will be made by a MACS Conference Call, or collectively by the Cal OES Southern California Fire & Rescue Deputy Chief, CAL Fire Region Operations Chief, DOI Coordinator and USFS GACC Manager or designees.

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Modes 1 and 2 reflect a non-critical regional situation. In general, in modes 1 and 2 there are no major multiple incidents which would require extended use of multi-agency resources. Most of the MACS coordination points will be operational on a 24 hour day basis in modes 1 and 2, although several points will make alternate arrangements for contacts and responsibilities during night time and /or weekends. The basic distinction between Modes 1 and 2 is seasonal.
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Mode 3 is called to reflect a serious situation or the potential for a serious situation. A serious situation could be a high potential incident which involves the use of Multi-Agency resources. Generally, a mode 3 condition would prevail when one to three such incidents were ocurring simultaneously . A mode 3 could also be called if the potential for an emergency situation would warrant. For example, severe weather conditions or a tsunami warning could be sufficient to initaite a mode 3. Another condition which could warrant a mode 3 would be a major commitment of fire suppression resources to out-of-region incidents.
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Mode 4 signifies the existence of an all-out regional effort where resource use priorities requires a concerted multi-agency coordination effort. Under mode 4, the MACS/OCC command conference room would be established as a regional GHQ. Agency represenatives to the MACS/OCC GHQ under mode 4 should be fully authorized to speak and commit for their agency.
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