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Seasonal Outlook by Coral Reef Watch (CRW)
21 August 2023
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Coral bleaching assessment
Source: NOAA Coral Reef Watch
Updated on January 2, 2022
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Description NOAA Coral Reef Watch has routinely assessed risk on coral reef caused by elevating water temperature. Risk levels are classified into classes (Table 1) related likely impacts on coral reef. |
Table 1 Stress levels and likely impacts
| Color | Stress level | Likely impact |
| No stress | no impact | |
| Watch | no impact | |
| Warning | Possible bleaching | |
| Alert Level 1 | Significant bleaching likely | |
| Alert Level 2 | Severe bleaching |
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Source: National Oceanic and Atmospheric Administration (NOAA) Coral Reef Watch Program |
