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- Quantitative_precipitation_forecast abstract "The Quantitative Precipitation Forecast (abbreviated QPF) is the expected amount of melted precipitation accumulated over a specified time period over a specified area. A QPF will be created when precipitation amounts reaching a minimum threshold are expected during the forecast's valid period. Valid periods of precipitation forecasts are normally synoptic hours such as 0000, 0600, 1200 and 1800 GMT. Terrain is considered in QPFs by use of topography or based upon climatological precipitation patterns from observations with fine detail. Starting in the mid-to-late 1990s, QPFs were used within hydrologic forecast models to simulate impact to rivers throughout the United States. Forecast models show significant sensitivity to humidity levels within the planetary boundary layer, or in the lowest levels of the atmosphere, which decreases with height. QPF can be generated on a quantitative, forecasting amounts, or a qualitative, forecasting the probability of a specific amount, basis. Radar imagery forecasting techniques show higher skill than model forecasts within 6 to 7 hours of the time of the radar image. The forecasts can be verified through use of rain gauge measurements, weather radar estimates, or a combination of both. Various skill scores can be determined to measure the value of the rainfall forecast.".
- Quantitative_precipitation_forecast thumbnail Rita5dayqpf.gif?width=300.
- Quantitative_precipitation_forecast wikiPageExternalLink www.hepex.org.
- Quantitative_precipitation_forecast wikiPageExternalLink www.rainmachine.com.
- Quantitative_precipitation_forecast wikiPageExternalLink qpf2.shtml.
- Quantitative_precipitation_forecast wikiPageID "12088404".
- Quantitative_precipitation_forecast wikiPageRevisionID "562763455".
- Quantitative_precipitation_forecast hasPhotoCollection Quantitative_precipitation_forecast.
- Quantitative_precipitation_forecast subject Category:Hydrology.
- Quantitative_precipitation_forecast subject Category:Weather_forecasting.
- Quantitative_precipitation_forecast comment "The Quantitative Precipitation Forecast (abbreviated QPF) is the expected amount of melted precipitation accumulated over a specified time period over a specified area. A QPF will be created when precipitation amounts reaching a minimum threshold are expected during the forecast's valid period. Valid periods of precipitation forecasts are normally synoptic hours such as 0000, 0600, 1200 and 1800 GMT.".
- Quantitative_precipitation_forecast label "Pluviométrie".
- Quantitative_precipitation_forecast label "Quantitative precipitation forecast".
- Quantitative_precipitation_forecast sameAs Pluviométrie.
- Quantitative_precipitation_forecast sameAs m.02vpg8k.
- Quantitative_precipitation_forecast sameAs Q3247146.
- Quantitative_precipitation_forecast sameAs Q3247146.
- Quantitative_precipitation_forecast wasDerivedFrom Quantitative_precipitation_forecast?oldid=562763455.
- Quantitative_precipitation_forecast depiction Rita5dayqpf.gif.
- Quantitative_precipitation_forecast isPrimaryTopicOf Quantitative_precipitation_forecast.
