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Page 21
18 - 24 mph
size move.
Small trees in leaf
begin to sway.
17 - 21 knot
8.0 - 10.7 m/s
6
Strong breeze
39 - 49 km/h
Large branches in
motion. Whistling
heard in overhead
wires. Umbrella use
becomes difficult.
Empty plastic bins tip
over.
25 - 30 mph
22 - 27 knot
10.8 - 13.8 m/s
7
High wind
50 - 61 km/h
Whole trees in motion.
Effort needed to walk
against the wind.
31 - 38 mph
28 - 33 knot
13.9 - 17.1 m/s
8
Gale
62 - 74 km/h
Some twigs broken
from trees.
Cars veer on road.
Progress on foot is
seriously impeded
39 - 46 mph
34 - 40 knot
17.2 - 20.7 m/s
9
Strong gale
75 - 88 km/h
Some branches break
off trees, and some
small trees blow over.
Construction
/temporary signs and
barricades blow over.
47 - 54 mph
41 - 47 knot
20.8 - 24.4 m/s
10
Storm
89 - 102 km/h
Trees are broken off or
uprooted, structural
damage likely.
55 - 63 mph
48 - 55 knot
24.5 - 28.4 m/s
11
Violent storm
103 - 117 km/h
Widespread vegetation
and structural damage
likely.
64 - 73 mph
56 - 63 knot
28.5 - 32.6 m/s
12
Hurricane force
≥ 118 km/h
Severe widespread
damage to vegetation
and structures. Debris
and unsecured objects
are hurled about.
≥ 74 mph
≥ 64 knot
≥ 32.7m/s
Figure 20
5.9.2
Wind Units of Measure and Wind Direction Format
While in normal mode, perform the following operations to change the wind settings.
Command
Mode
Settings
[WIND]
+ 2
seconds
Enter Wind Settings
Wind Speed Units of Measure
Press
[ ]
to change between m/s → km/h →
knots → mph
[WIND]
Wind Direction Format
Press
[ ]
to change between degrees (0-360°)
and 16-point compass direction.
[WIND]
Exit Wind Settings
[WIND]
+ 2 seconds means press and hold the
WIND
button on the front of the display for two