PPT-X X PGF

PGF V grd V grd Co NH North Ce Co Ce R T If we assume a constant horizontal pressure gradient force PGF in the ridge and trough along with a similar curvature in the ridge solid line and trough dashed line we see that in a balanced flow condition horizontal forces are in balance . TGVKTGOGPVKUKPVTKIWKPIN[PQVFGƂPGFHQTVJKURWTRQUGsCECWVKQWUCRRTQCEJYQWNFDGVQGPXKUCIGTGVKTGOGPVHTQOYQTMIGPGTCNN[PQVLWUVNGCXKPIVJGEWTTGPVGORNQ[GTITQWR624EQPƂ 1 :. Introduction et . aperçu. du . PGF. Module . 1 : . Présentation. Notions de base . sur. . la fatigue. Aperçu. du . p. rogramme. . de . gestion. de la fatigue. Sommaire. . des modules. Liste. All variables shown are taken from 5-min data, averaged over a 1 h period . Pressure Gradient Force at indicated level (shaded, m/s/h); radial flows at indicated level (m/s) , inflows, gray contours (-20,-15,-10,-5), outflows, white contours (5,10,15,20); in-plane storm-relative flow vectors at indicated level; vertical velocity at z=14 km (magenta contours: 3,5,10 m/s); z=11 km RMW (black circle). Forecast times given in plot titles. Lower right plot as for . Cold. Front. Convective precipitation. 50–100 mile wide . band along front . “. Overrunning. ”. Typical. Warm. Front. Clouds and precipitation . precede surface front. Stratiform clouds starting. Upward pressure gradient . force (PGF) . is balanced by . gravity (g).. HYDROSTATIC RELATIONSHIP. Despite very strong vertical pressure gradients, vertical. winds (rising and sinking air) are generally weak.. © U.S. Coast Guard . Auxiliary Association. No attempts to add, modify or delete information contained within this document shall be made. If errors are discovered, please contact the U.S. Coast Guard Auxiliary’s National Training . Dr. Arthur Roberts. Modified from course of Dr. Warren Beach. Materials. ELCnew. pharmwiki.org. updated lectures. Notes on the updates. class notes from the current lectures. lectures and notes from previous years. H2020 Coordinator's day. 12.05. .20. DG R&I – Designated service of the Commission. for the management of the Guarantee Fund. Verónica. MUÑOZ . Agenda. Creation. , . general. . view. and . Robert Fovell. UCLA Atmospheric and Oceanic Sciences. rfovell@ucla.edu. 1. Notes. Everything in this presentation should be familiar. Please feel free to ask questions, and remember to refer to slide numbers if/when possible. Sea and Land Breezes (Thermal Wind). Coriolis Force. Geostrophic Wind. Centrifugal Force & Friction. Gradient Wind. Surface vs Aloft Winds. Mountain Breezes. Katabatic Winds. Force: a quick lesson. REVIEW OF KEY FORCES. Pressure gradient force (PGF). High to Low. Perpendicular to the isobars. Proportional to isobar spacing. Coriolis. force (COR). Acts to . right. of parcel direction in N. Hemisphere.