Bulletin of the American Meteorological Society, Volúmenes34-35;Volúmenes34-35

Air Force air mass aircraft altitude American Meteorological Society analysis angular momentum anticyclones atmosphere average Center changes charts circulation climatology cloud seeding Committee computed contour curve cyclonic dew point distribution effect equation feet field flow forecast freezing frequency geostrophic geostrophic wind gradient gust heat height hemisphere hygrometer increase indicated isallobaric isobar jet stream Laboratory latitude layer maps maximum mean measurements ment Meteor method miles millibars moisture North observed obtained occur operation particles patterns percent period precipitation present pressure problem radar radiosonde rain rainfall record region relative humidity reported Research ridge shown in FIGURE shows snow solar squall line stations storm surface synoptic temperature thunderstorms tion tornado tropopause troposphere trough turbulence U. S. Weather Bureau University values vapor variations velocity vertical vorticity Washington water content wave Weather Service westerlies wind speed zonal