Earth Science
Rutherford
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Weather 1
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Using the key above to help you answer questions about this weather station data.
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1.
2.
3.
4.
5.
6.
What is the temperature at this station?,
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'What is the wind speed?
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Which way is the wind blowing?
What is the air pressure? h sS -i'
sWhat percent of the sky is covered by clouds? /€>€>£
What type of precipitation, if any, is falling?
7.
What are the ' conditions that are required for a tornado to occur? ( _
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8,
From the data in the table below, determine the relative humidity at each test site from the table
of relative humidity and fill in the table, t
Site
1
Temperature (°C)
Wet-bulb
Dry-bulb
thermometer
thermometer
14
22
2
28 •
24
3
10
1
Temperature
difference ("C)
(Dry - wet)
Relative humidity
from table below
%
in
a
Table: Relative Humidity (%)
Dry-bulb
temperature
Difference between dry-bulb and wet-bulb temperatures (°C)
CC)
0
. 2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
1
81
84
85
86
87
88
89
90
90
91
91
92
92
92
93
93
93
93
2
64
68
71
73
75
77
78
79
81
82
83
83
84
85
85
86
86
87
3
46
52
57
60
63
66
68
70
71
73
74
76
77
78
78
79
80
81
4
29
37
43
48
51
55
58
60
63
65
66
68
69
71
72
73
74
75
5' • 6
13
22 7
29 16
35 24
40 29
44 34
48 39
51 42
54 46
57 49
59 51
61 54
62 56
64 58
65 59
67 61
68 62
69 63
7
8
9
11
19
24
29
34
38
41
44
47
49
51
53
55
57
58
8
15
21
26
30
34.
37
40
43
46
48
50
51
53
6
12
18
23
27
31
3437
40
42
44
46
48
9.
Altitude is greater at point
10
Air pressure is greater at point O
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10
11
10
15
8
• 20 14
24 18 :
28 22
31 26
34 29
37 32
39 ' 3 5
41 37
43 39
12
13
14
15
16
17
18
19
20
7
12
17
20
24
27
30
32
35
6
11
15
19
22
25
28
30
6
10
14
18
21
24
28
5
10
13
17
20
23
5
9
13
16
19
5
9
12
15
5
9
12
5
8
5
11.
Why should you avoid touching metal objects during a thunderstonn?
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Where is the safest place to be during a tornado? ' •
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Why does a hurricane lose strength once it passes over land?
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14.
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What path does a hurricane typically take? '
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True or False: - please use T or F
4.
Hot air rises and cold air descends.
5.
When a warm front runs up and on top of a cold air mass, no storms develop.
6.
On a weather map, isobars join places on the map with the same temperature.
7.
Maritime polar air masses start over the southern continent.
9.
Lightning only goes from the clouds to the ground.
10.
Only one tornado can occur at a time.
Final QucathazU-^—
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Name
Date
period
Isobars and Isotherms
In this exercise, you will be drawing isobars on a weather chart. Isobars are lines that connect places at the
same pressure. Isotherms are a similar idea but they are lines that connect places of the same temperature. You will
also be introduced to what is called the simple surface-station model.
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Draw isobars at 1004 mb, 1008 mq, 1012
Once you have completed this worksheet, you should answer the
12 mb. dn
questions below.
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