Research Article
Multirule Based Diagnostic Approach for the Fog Predictions Using WRF Modelling Tool
Table 3
Comparison of fog occurrence and observed time.
| | Year | Day | Fog occurrences | Onset time | | Observed | Simulated | Comment | Observed | Simulated | Deviation |
| | 2008 | 12th Jan | Fog | Fog | Predicted | 4:30 | 4:00 | +30 min | | 13th Jan | Fog | Fog | Predicted | 06:30 | 08:00 | −1 h 30 min | | 14th Jan | No fog | No fog | Predicted | — | — | — | | 15th Jan | Fog | No fog | Not predicted | 05:00 | — | — |
| | 2009 | 1st January | Fog | Fog | Predicted | 19:00 | 19:00 | 0 | | 2nd January | Fog | Fog | Predicted | 21:00 | 20:00 | 1 h | | 3rd January | Fog | Fog | Predicted | 18:00 | 18:30 | −30 min | | 4th January | Fog | Fog | Predicted | 19:00 | 19:00 | 0 |
| | 2010 | 1st January | Fog | Fog | Predicted | 21:00 | 19:30 | +1 h 30 min | | 2nd January | Fog | Fog | Predicted | 00:00 | 00:30 | −30 min | | 3rd January | Fog | Fog | Predicted | 23:00 | 22:30 | +30 min | | 4th January | Fog | Fog | Predicted | 0:00 | 20:00 | +4 h |
| | 2011 | 6th January | Fog | Fog | Predicted | 19:00 | 19:00 | 0 | | 7th January | Fog | Fog | Predicted | 18:00 | 18:30 | −30 min | | 8th January | Fog | Fog | Predicted | 18:00 | 18:30 | −30 min | | 9th January | Fog | Fog | Predicted | 18:00 | 19:00 | −1 h |
| | 2011 | 18th Nov | Fog | Fog | Predicted | 22:30 | 18:30 | +4 hours | | 19th Nov | Fog | Fog | Predicted | 20:00 | 18:30 | +1 h 30 min | | 20th Nov | Fog | Fog | Predicted | 18:00 | 18.30 | −30 min | | 21st Nov | Fog | Fog | Predicted | 18:00 | 18:30 | −30 min |
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