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| CIPS Real-Time SPC Practically Perfect Forecasts | |
| "Practically Perfect" Forecasts (PPFs) resemble a forecast that is consistent with what a forecaster would provide given perfect knowledge of the event beforehand. | |
| The PPFs shown below use the filtered real-time SPC storm reports located here and are updated every 15 minutes. | |
| More information about how PPFs are calculated can be found in Hitchens et al. 2013 located here. | |