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Philadelphia/Mt Holly
Weather Forecast Office
| Dispersion Index | Interpretation |
| >100 | Very Good (but may indirectly indicate hazardous conditions.) |
| 60-100 | Good (typical burning values) |
| 41-60 | Fair to Good (climatological afternoon values for most inland forests.) |
| 21-40 | Fair (stagnation if accompanied by persistent low wind speeds.) |
| 13-20 | Poor to Fair (stagnation, if persistent; better than average for nighttime.) |
| 7-12 | Poor (stagnant, but near average at nighttime.) |
| 1-6 | Very Poor (climatological nighttime value for most locations.) |
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Philadelphia/Mt Holly
732 Woodlane Rd.
Mount Holly, NJ 08060
609-261-6600
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