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Hazardous Weather Outlook
Dense Fog |
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Dense Fog
| Risk |
Description |
| None |
No restrictions to visibility forecast |
| Low |
Isolated regions (10-30% coverage) where surface visibilities are less than one quarter
statute mile in fog -OR- 1-3 nautical miles visibility over the marine area |
| Moderate |
Patchy regions (30-50% coverage) where surface visibilities are less than one quarter
statute mile in fog -OR- ½ to 1 nautical mile visibility over the marine area |
| High |
Areas (>60% coverage) where surface visibilities are less than one quarter statute mile
in fog -OR- <1/2 nautical mile visibility over the marine area |
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