UPPER WIND MCQ UPPER WIND UPPER WIND MCQ Question Paper 1 / 3 1. How do you recognise high level jet streams and associated CAT? High pressure centre at high level Streaks of Cirrus High level dust Lenticularis From the ground, when the cloud amounts allow, jets may be recognised by wind blown wisps of CIRRUS cloud blowing at right angles to the clouds at lower levels. 2 / 3 2. What type of jet stream blows constantly through the northern hemisphere? Arctic Equatorial Polar night Sub tropical Sub tropical jetsteams form in the area of the sub-tropical anti-cyclones. They are more or less permanent but move seasonally with the sub-tropical highs. They occur in the latitude bands 25° to 40° in winter and 40° to 45° in summer. The jet core is at the 200 hPa level. 3 / 3 3. In central Europe, where are the greatest wind speeds? Tropopause level 5500m Where the air converges Above the Alps Jet streams ,The direction of jet streams is generally westerly, maximum speeds occur near the tropopause, 200 kts have been recorded in Europe Your score isThe average score is 0% 0% Restart quiz