Abstract: This paper reviews the performance of the short-range, operational national weather prediction over the Northern Hemisphere at the National Meteorological Center. Mean monthly 500-mb error charts, valid at 1200 gmt only, ...

Abstract: The distribution of weather with 21 cyclones which formed in the lee of the Colorado Rockies during the winter and spring of 1959 through 1963 is studied. The relation of the probability and form of precipitation and severe ...