. Compendium of meteorology. Meteorology. 603 MB â¢90 100 150 250 -/O^ 400 ⢠500 ⢠600 800 900 1 000 KILOMETERS .420° o^^'-^"--^- -jr 1~ -i-~_r:4n5Q.^^r&03o-? ~ t ~/- A- + - ^::^^ ztl ^380' MB -90 -100 400 39i 380 0-^0. KILOMETERS Fig. 2.âMean cross section through northwesterly flow over Europe. Constructed from all European observations on morning of November 29,1942 (observations from H^e«e/-6er. Dlsch. Seewarie). Legend as in Fig. 1 (winds in meters per second). Dash-dotted lines indicate intermediate isovels. side of equation (6) is greater than zero. Thus, the in- pressed in
. Compendium of meteorology. Meteorology. 603 MB â¢90 100 150 250 -/O^ 400 ⢠500 ⢠600 800 900 1 000 KILOMETERS .420° o^^'-^"--^- -jr 1~ -i-~_r:4n5Q.^^r&03o-? ~ t ~/- A- + - ^::^^ ztl ^380' MB -90 -100 400 39i 380 0-^0. KILOMETERS Fig. 2.âMean cross section through northwesterly flow over Europe. Constructed from all European observations on morning of November 29,1942 (observations from H^e«e/-6er. Dlsch. Seewarie). Legend as in Fig. 1 (winds in meters per second). Dash-dotted lines indicate intermediate isovels. side of equation (6) is greater than zero. Thus, the in- pressed in the following way: If there is strong anti- equalities cyclonic shear in the upper warm air, and this anti- , / , . s cyclonic shear is greater than the negative value of the > â ⢠. , â s (7) second term on the right in (6), the west wind increases dy (anticyclonic) ^^^^,^^.^ ^^^ ^^^,.^1^ -^ jj^^ ^,.^^^^.^1 ^^^^ express the condition for cyclonic or anticyclonic shear This result concerning the horizontal wind shear in a in a frontal zone. Hence, the result above can be ex- frontal zone is of considerable importance for the cy- g tan i/- 2QT sin 4> dT dy Iv \dy / J. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original American Meteorological Society. Committee on the Compendium of Meteorology; Malone, Thomas F. Boston : American Meteorological Society
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Keywords: ., bookcentury1900, bookcollectionbiodivers, booksubjectmeteorology
