Investigation 2A: SURFACE WEATHER MAPS
1. "Examine the surface weather map presented in 5. "Precipitation is often depicted on weather maps
Figure 1 of this investigation. The weather map by a variety of symbols as shown in Figure 1
symbols shown are those typically seen on the including stars or asterisks (∗) to represent
Internet, television, and in newspapers. The H’s ______."
and L’s identify centers of relatively high or low rain
air pressure compared to their surroundings. snow
Moving outward horizontally in any direction
from the blue H positioned in Texas, air pressure 6. "Two or three, whole or broken, horizontal lines
would ______." symbolize ______."
decrease hail
remain the same fog
increase blowing snow
2. "Moving outward horizontally in any direction 7. Temperature: ?F
from the red L located in Lower Michigan, air 43
pressure would ______." 55
m
decrease
er as
66
remain the same
co
increase
eH w
8. Dewpoint: ?F
35
o.
3. "The thick curved lines with triangles (spikes) 49
rs e
and/or semi-circles on the map are air mass 54
ou urc
boundaries. In the atmosphere, broad expanses
of air with generally uniform temperature, 9. Wind direction is shown by the “arrow” shaft
humidity, and therefore density come in contact drawn into the circle representing the station.
o
with other masses of air having different North is to the top on the map and east is to the
aC s
temperature, humidity, and density right. Wind is always named for the direction
vi y re
characteristics. Because air masses of different from which it blows. In the above depiction, the
densities do not readily mix, boundaries wind direction was generally from the ?.
separating air masses tend to remain distinct and
persistent. These boundaries, called fronts, east
ed d
typically separate warm and cold air—the major north
ar stu
determiner of air density differences. The
south
leading edge of advancing cold air is a cold
west
front and, as shown in the map legend in Figure
is
1, is signified by blue spike symbols which are
pointing in the direction toward which the cold 10. Wind speed is rounded off to the nearest 5 knots
Th
front is moving. The leading ed" (1 knot equals 1.2 miles per hour) and is
cold symbolized by the combination of “feathers”
drawn on the clockwise side of the wind-
warm
direction shaft. A full feather represents 10 knots
sh
stationary
and a half feather indicates 5 knots. A pennant
flag indicates 50 knots. A wind-direction shaft
4. "According to the map, persons living in South without feathers depicts a 1-to-2 knot wind and
Carolina can expect ______ weather after the a circle drawn around the station circle signifies
front passes." calm conditions (0 wind speed). In this case, the
colder reported wind speed was ? kt.
warmer 5
10
This study source was downloaded by 100000805705997 from CourseHero.com on 09-28-2021 09:40:28 GMT -05:00
https://www.coursehero.com/file/22658065/Inv02AAnsFm-week-2/
1. "Examine the surface weather map presented in 5. "Precipitation is often depicted on weather maps
Figure 1 of this investigation. The weather map by a variety of symbols as shown in Figure 1
symbols shown are those typically seen on the including stars or asterisks (∗) to represent
Internet, television, and in newspapers. The H’s ______."
and L’s identify centers of relatively high or low rain
air pressure compared to their surroundings. snow
Moving outward horizontally in any direction
from the blue H positioned in Texas, air pressure 6. "Two or three, whole or broken, horizontal lines
would ______." symbolize ______."
decrease hail
remain the same fog
increase blowing snow
2. "Moving outward horizontally in any direction 7. Temperature: ?F
from the red L located in Lower Michigan, air 43
pressure would ______." 55
m
decrease
er as
66
remain the same
co
increase
eH w
8. Dewpoint: ?F
35
o.
3. "The thick curved lines with triangles (spikes) 49
rs e
and/or semi-circles on the map are air mass 54
ou urc
boundaries. In the atmosphere, broad expanses
of air with generally uniform temperature, 9. Wind direction is shown by the “arrow” shaft
humidity, and therefore density come in contact drawn into the circle representing the station.
o
with other masses of air having different North is to the top on the map and east is to the
aC s
temperature, humidity, and density right. Wind is always named for the direction
vi y re
characteristics. Because air masses of different from which it blows. In the above depiction, the
densities do not readily mix, boundaries wind direction was generally from the ?.
separating air masses tend to remain distinct and
persistent. These boundaries, called fronts, east
ed d
typically separate warm and cold air—the major north
ar stu
determiner of air density differences. The
south
leading edge of advancing cold air is a cold
west
front and, as shown in the map legend in Figure
is
1, is signified by blue spike symbols which are
pointing in the direction toward which the cold 10. Wind speed is rounded off to the nearest 5 knots
Th
front is moving. The leading ed" (1 knot equals 1.2 miles per hour) and is
cold symbolized by the combination of “feathers”
drawn on the clockwise side of the wind-
warm
direction shaft. A full feather represents 10 knots
sh
stationary
and a half feather indicates 5 knots. A pennant
flag indicates 50 knots. A wind-direction shaft
4. "According to the map, persons living in South without feathers depicts a 1-to-2 knot wind and
Carolina can expect ______ weather after the a circle drawn around the station circle signifies
front passes." calm conditions (0 wind speed). In this case, the
colder reported wind speed was ? kt.
warmer 5
10
This study source was downloaded by 100000805705997 from CourseHero.com on 09-28-2021 09:40:28 GMT -05:00
https://www.coursehero.com/file/22658065/Inv02AAnsFm-week-2/
