Raymarine e7 User Reference page 235

Wave information symbols
The weather application uses a range of graphics and symbols to
represent different types of wave information.
Symbol
NOWRad precipitation color codes
NOWRad displays the type and level of precipitation:
Color code Precipitation type
Light green Rain
Medium green Rain
Using the weather application (North America only)
Description
Wave height — Waves are shown in
16 shades of color from:
• Reds — Highest waves
• Greens — Intermediate waves
• Blues — Lowest waves
Wave period — wave periods are
shown using shades of blue, the
darker the shade the shorter gap
between successive waves. The wave
period detail can be accessed by the
context menu View Data option.
Wave direction — direction of waves
is indicated by blue arrows.
Reflectivity Intensity
(15 to 19 dBz)
(20 to 29 dBz)
Color code Precipitation type
Dark Green Rain
Yellow Rain
Orange Rain
Light red Rain
Dark red Rain
Light blue Snow
Dark blue Snow
Light pink Mixed
Dark pink Mixed
Canadian radar precipitation color codes
Canadian radar shows the intensity of precipitation for Canada.
Unlike NOWRad, Canadian radar does not show the precipitation
type.
Color code
Transparent (nothing shown at very
low precipitation)
Light green
Medium green
Dark green
Yellow
Orange
Reflectivity Intensity
(30 to 39 dBz)
(40 to 44 dBz)
(45 to 49 dBz)
(50 to 54 dBz)
(55+ dBz)
(5 to 19 dBz)
(20+ dBz)
(5 to 19 dBz)
(20+ dBz)
Intensity in mm per hour
0.00 to 0.20 mm/hr
0.21 to 1.00 mm/hr
1.01 to 4.00 mm/hr
4.01 to 12.00 mm/hr
12.01 to 24.00 mm/hr
24.01 to 50.00 mm/hr
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