5. Dew Point
• The number on the
bottom left shows
the Dew Point.
• Humidity is a factor
of the dew point.
• This number will be
lower than the
actual temperature.
• Remember cold air can’t
hold moisture like warm
air
6. Cloud Cover The percentage
of the circle that
is shaded in
reflects the
percentage of
cloud cover in
the sky
Similar to a pie
chart
7. Air Pressure • This number is displayed
on the top right of the
weather symbol
• When the # is high or
rising, the weather is fair
because the pressure is
high
• When the # is low or
dropping, the weather is
rainy, because the
pressure is low
8. Wind Barb
• This shows the
direction of the
wind, it will point in
the direction the
wind is coming
from, this shows
the wind coming
from the Southeast
• The # of lines
and/or triangles
indicates the
speed of the wind
9. • The wind barb points in the direction it is coming FROM.
• Stronger winds have more flags, or marks
10. Fronts on a weather map
Warm occluded
• Cold
Stationary
The symbols point in the direction that the front
is moving towards
Pressure symbols:
11. Isobars: connect areas with equal air pressure
The distance between the isobars is called the
pressure gradient • The closer the isobar
lines, the greater the
change in air pressure,
and the greater/faster
the winds speeds.
• High pressure systems
bring clear/sunny
weather and wind flows
out and clockwise
(right)
• Low pressure systems
bring overcast/stormy
weather and wind flows
in and counter-
clockwise (left)
