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Figure one is attched  a) Examine Figure 1 above. At what time (to the nearest hour) did a warm front and a cold front pass through Vancouver? Explain the detailed evidence you used to determine the times the fronts passed.

Figure one is attched  a) Examine Figure 1 above. At what time (to the nearest hour) did a warm front and a cold front pass through Vancouver? Explain the detailed evidence you used to determine the times the fronts passed.

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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Figure one is attched 

a) Examine Figure 1 above. At what time (to the nearest hour) did a warm front and a cold front pass through Vancouver? Explain the detailed evidence you used to determine the times the fronts passed.

 

b) Why did the maximum temperature on December 20, 1974 at Vancouver occur from 20:00h (8 pm) to 23:00h (11pm), when we would normally expect the maximum temperature to occur early in the afternoon?

 

c) Why is the relative humidity noticeably lower on December 21? 

 

d) Is the precipitation late on December 20th the result of frontal, convective or orographic processes? Explain.

 

e) Is the precipitation early on December 21 the result of frontal, convective or orographic processes?  Explain.

CLOUD COVER (Temths) 0/200 INCOMING SHORTWAVE 100 RADIATION (WM-²) PRESSURE (kPa) 10 WIND SPEED (MF¹) 100.0 99.0 WIND DIR. (N-1) 20 15 10 5 0,10 0 102.0 101.0 RELATIVE HUMIDITY (*) 6 HOUR PRECIPITATION S (mm) 0/100 80 60/10 F. TEMPERATURE St (°C) 0 0 PST 2 4 6 3 10 12 14 16 DECEMBER 20, 1974 18 20 22 0 2 4 6 8 10 12 14 16 18 DECEMBER 21, 1974 20 Figure 1. Weather conditions observed at Vancouver International Airport, December 20-21, 1974. 22
Transcribed Image Text:CLOUD COVER (Temths) 0/200 INCOMING SHORTWAVE 100 RADIATION (WM-²) PRESSURE (kPa) 10 WIND SPEED (MF¹) 100.0 99.0 WIND DIR. (N-1) 20 15 10 5 0,10 0 102.0 101.0 RELATIVE HUMIDITY (*) 6 HOUR PRECIPITATION S (mm) 0/100 80 60/10 F. TEMPERATURE St (°C) 0 0 PST 2 4 6 3 10 12 14 16 DECEMBER 20, 1974 18 20 22 0 2 4 6 8 10 12 14 16 18 DECEMBER 21, 1974 20 Figure 1. Weather conditions observed at Vancouver International Airport, December 20-21, 1974. 22
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