NCEP/HPC - European Centre for Medium-Range Weather Forecasts
NCEP/HPC - European Centre for Medium-Range Weather Forecasts
NCEP/HPC - European Centre for Medium-Range Weather Forecasts
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Alaska <strong>Medium</strong> <strong>Range</strong><br />
• Developments thus far (cont):<br />
– The <strong>HPC</strong> <strong>for</strong>ecast will then be compared to the mode of the PDF, and the<br />
grids will be adjusted towards the <strong>HPC</strong> <strong>for</strong>ecast if there is a difference.<br />
Disseminated<br />
<strong>NCEP</strong> PDF<br />
<strong>HPC</strong><br />
Mode<br />
NAEFS<br />
Mode<br />
NAEFS PDF<br />
Human Influence<br />
on Forecast<br />
– Alaska will be the first Region to receive medium range grids from <strong>HPC</strong><br />
that include probabilistic bounds <strong>for</strong> meteorological variables<br />
– <strong>HPC</strong> hopes to use a similar method <strong>for</strong> introducing a sense of “what’s<br />
meteorologically possible” into the NDFD over the lower 48 states
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