Where does the energy for weather originate?

the uneven heating

of the Earth’ssurface

In the US, the general direction that weather systemsmove is toward

thenortheast

Please go to page 13 of theESRTs

F

76

55

..138

3\

Temperature

Dewpoint

Wind Direction&

Speed

BarometricPressure

Current Weather

Cloud Cover

BarometricTrend

http://cimss.ssec.wisc.edu/wxwise/station/page5.html

What natural process cleans the atmosphere?

Dry bulb measures air temperature

Wet bulb temp islower due to evaporation

Using the charts on page 12 of the ESRTs, calculate the relative humidity and dew point using the following information.

Dry Bulb Wet Bulb Difference Dew Point Relative Humidity (%)

14 10 4

20 5

30 19

18 56

6

15

23

13

7

5

12

9

55

58

60

Dewpoint Chart RH Chart

IndirectRelationship

as temp increasesRH decreases

996

0.25

32

30

35/ 5

903

32

30

25\ 2

903

10\ 70

65

1