QPF can be generated on a quantitative, forecasting amounts, or a qualitative, forecasting the probability of a specific amount, basis.
Within the United States, the Hydrometeorological Prediction Center, River Forecast Centers, and local forecast offices within the National Weather Service create precipitation forecasts for up to five days in the future, forecasting amounts equal to or greater than 0.01 inches.
The story was particularly troublesome in September, when revenues fell $810 million below the forecast amount.
A forecast for the public finances to be back in surplus by the end of the decade was abandoned and in total the new forecasts amount to £122bn of extra borrowing over the next five years compared with the outlook before Britain voted to leave the EU.
KDDI's 3G success is even more startling considering that NTT Docomo, with 58 million subscribers to KDDI's 14 million, managed to get only 190,000 3G subscribers, one-tenth the forecast amount for the first year, despite marketing hype.
But our team of winter weather experts and long range forecasters at the Capital Weather Gang CWGG) suggest Accuweather's forecast amounts to a speculative guess, and is about as likely to be wrong as it is to be right.
However, forecast amounts decrease some as you head north.
On the other hand, Ray Kurzweil's forecast amounts to mere mummery.
Precipitation amount over the past 1, 3, 6 or 24 hours is of particular interest to meteorologists in verifying forecast amounts of precipitation and determining station climatologies.
The problem of accurately forecasting the amount and content of a landfill gas has remained an active area of research, due to the safety and environmental concerns, as well as use of the gas as an energy source.
