Mercedes-Benz COMAND Supplement Manual page 171

You can call up the legend for storms
( page 170).
Y
The following information on a storm cell is
displayed (if available):
characteristics of the storm cell
R
date and time of observation (time stamp)
R
directional movement speed and path
R
Propagation speed: the speed at which the
storm cell is advancing.
To display the weather fronts: activate the
X
Atmospheric Pressure Atmospheric Pressure
( page 168).
Y
If weather data is available, the weather map
will then display the weather fronts.
The example shows the position of high and
low-pressure areas (H, L), weather fronts and
isobars. Isobars are lines that show where the
air pressure is the same.
Legend: weather fronts
Weather Explanation
front
Cold front If a cold front moves in, the
weather remains changeable
(blue line with
and there are often rain
blue triangles)
showers and thunderstorms.
The air temperature decrea-
ses.
Warm front A warm front may cause
more prolonged steady rain,
(red line with
more cloud cover and a slow
red semi-cir-
rise in temperature.
cles)
Weather
front
Stationary
front
(red and blue
line with red
semi-circles
and blue trian-
gles)
Occlusion
(purple line
with purple
semi-circles
and triangles)
display level
To display the track of a storm: activate the
X
Tropical Storm Tracking Tropical Storm Tracking
(
Y
If weather data is available, the weather map
will then display storm tracking information.
Example: in the middle of the map you can see
the current position of the tropical low-pres-
sure area (cyclone). To the right of this a solid
line shows the previous path with positions
and times. The forecast for the direction of
propagation is shown by a dotted line with
positions and times.
Weather forecasts
Explanation
The weather front moves
minimally. The weather
remains changeable in this
area.
When the faster cold front
catches up and joins the
warm front ahead of it, an
occluded front is formed. The
weather remains changeable
and rainy within an occlu-
sion.
page 168).
169
display level