Module 1C

Question 1

electromagnetic radiation emitted by the sun

Answer 1

Solar Radiation

Question 2

rate at which solar radiation reaches the upper limits of earth atmosphere on a surface normal to the incident radiation and at earth’s mean distance from the sun

Answer 2

Solar Constant

Question 3

Value of Solar Constant

Answer 3

1,374 W/m2

Question 4

________ = “short” wavelengths (range 0.1 to 4.0 μm)
________ = “long” wavelengths (4.0 to 50 μm)

Answer 4

Solar Radiation ; Terrestrial Radiation

Question 5

percent of the incoming solar radiation that is reflected from a surface

Answer 5

Albedo

Question 6

affects the solar radiation received at any location and time

Answer 6

Sun-Earth Geometry

Question 7

when the sun is farthest from the earth (occurs about July 4)

Answer 7

Aphelion

Question 8

when the sun is nearest from the earth (occurs about January 3)

Answer 8

Perihelion

Question 9

when the sun’s apparent path is displaced farthest north (Tropic of Cancer) or south (Tropic of Capricorn) from the earth’s equator.

Answer 9

Solstice

Question 10

when the sun passes directly over the equator or when the sun’s apparent path and plane of the earth’s equator coincide.

Answer 10

Equinox

Question 11

In Northern Hemisphere
________: on or about March 21
________: on or about September 22

Answer 11

Vernal Equinox ; Autumnal Equinox

Question 12

occur because the tilt of the Earth’s axis keeps a constant as the Earth revolves around the Sun.

Answer 12

Seasons ; Summer in North& Winter in South

Question 13

T or F: Weather becomes stormy when air pressure falls and becomes fair when air pressure rises

Answer 13

True

Question 14

instrument used to measure pressure

Answer 14

Barometer

Question 15

• amount of heat energy possessed by an object
• degree of hotness or coldness of an object

Answer 15

Temperature

Question 16

amount of water vapor in the air.

Answer 16

Humidity

Question 17

measures the amount of water in the air in relation to the maximum amount of water vapor (moisture).

Answer 17

Relative Humidity

Question 18

Air would rise near the equator and travel in the upper atmosphere toward the poles, then cool, descend into the lower atmosphere, and return toward the equator.

Answer 18

Hadley Circulation

Question 19

produces the changes in wind direction and velocity towards the equator

Answer 19

Coriolis Effect

Question 20

7 Climatic Controls

Answer 20

• Topography and location
• Trade winds
• Tropical cyclones
• Easterly waves
• Monsoon winds
• Fronts
• Intertropical convergence zone (ITCZ)

Question 21

a belt of low pressure which circles the Earth generally near the equator where the trade winds of the Northern and Southern Hemispheres come together.

Answer 21

ITCZ

Question 22

general term for a weather system in which winds rotate inwardly to an area of low atmospheric pressure.

Answer 22

Cyclone

Question 23

5 Tropical Cyclone Classifications

Answer 23

1. Tropical Depression - 61
2. Tropical Storm - 62-88
3. Severe Tropical Storm - 89-117
4. Typhoon - 118-220
5. Super Typhoon - 220

Question 24

5 PAGASA’s Storm Warning System

Answer 24

Signal 1 - 30-60
Signal 2 - 61-120
Signal 3 - 121-170
Signal 4 - 171-220
Signal 5 - 220

Question 25

area of heaviest and strongest wind speeds

Answer 25

Eye Wall

Question 26

area where the wind and rain are lightest

Answer 26

Eye

Question 27

3 Thunderstorm Warning System

Answer 27

1. Information - small chances of thunderstorm development
2. Watch - thunderstorm is likely to form within the next 12 hrs
3. Warning - thunderstorm is threatening a specific area within the next 2 hrs

Question 28

3 Heavy Rainfall Warning System

Answer 28

1. Yellow - flooding
2. Orange - flooding and landslides
3. Red - flooding, roads are not passable, and landslides

Question 29

• North Atlantic Ocean, central North Pacific Ocean, and eastern North Pacific Ocean =
• Northwest Pacific Ocean =
• South Pacific and Indian Ocean =

Answer 29

Hurricane ; Typhoon ; Tropical Cyclone

Question 30

4 Types of Front

Answer 30

1. Cold Front
2. Warm Front
3. Occluded Front
4. Stationary Front

Question 31

• Summer Monsoon
• Hot and Moist wind from Indian
  Ocean which may strengthen tropical cyclone
• Brings rain over the western seaboard
• May to September

Answer 31

Habagat or Southwest Monsoon

Question 32

• Winter monsoon
• Dry and cold wind from Siberia which may weaken tropical cyclones
• Brings rain over the eastern seaboard
• October to March

Answer 32

Amihan or Northeast Monsoon

Question 33

• a westward-moving, wavelike disturbance of low atmospheric pressure embedded in tropical easterly winds.
• affects the country from April to May

Answer 33

Easterly Waves