Fundamentals of climate: Figure 2 shows typical pressure anomalies for January i
ID: 116428 • Letter: F
Question
Fundamentals of climate:
Figure 2 shows typical pressure anomalies for January in the atmosphere near the top of the troposphere that are associated with the PNA pattern and the NAO. Recall that the 500 mb geopotential height is the height above the ground at which the atmospheric pressure is 500 mb. At this altitude half the mass of the atmosphere is below and half the mass is above. High and low pressure systems in the atmosphere lead to undulations in the time averaged 500 mb geopotential height. These undulations are referred to as geopotential anomalies which is what is shown in Fig. 2. On each panel in Figure 2, indicate the direction of the geostrophic winds. Please show the answers on the image. thank you for your help
January January H: Figure 2: Maps of January 500mb geopotential height anomalies near the top of the troposphere associated with (a) the PNA pattern, and (b) the NAO. For the purposes of this exercise, you can think of these as high (H) and low (L) anomalies in atmospheric pressure.Explanation / Answer
the geostropic wind will be directed towards the low pressure to high pressure always so here in this scenario the direction will be lower to higher which will be towards south east according to the image.
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