12
4
Moderate breeze
20 ~ 28 km/h
Dust and loose paper raised. Small branches
begin to move.
13 ~ 17 mph
11 ~ 16 knot
5.5 ~ 7.9 m/s
5
Fresh breeze
29 ~ 38 km/h
Branches of a moderate size move.
Small trees in leaf begin to sway.
18 ~ 24 mph
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
WEATHER INDEX
At the WEATHER INDEX section, you can press
[ INDEX ]
key to view the weather index in this sequence:
FEELS LIKE
WIND CHILL
HEAT INDEX
DEW POINT.
FEELS LIKE
The feels like temperature index determine how the outdoor temperature that people actually feel.
HEAT INDEX
The heat index, which is determined by the wireless 5-IN-1 sensor’s temperature & humidity data, when the
outdoor temperature is between 27°C (80°F) and 50°C (120°F).
Heat Index range
Warning
Explanation
27°C to 32°C (80°F to 90°F)
Caution
Possibility of heat exhaustion
33°C to 40°C (91°F to 105°F)
Extreme Caution
Possibility of heat dehydration
41°C to 54°C (106°F to 129°F)
Danger
Heat exhaustion likely
≥55°C (≥130°F)
Extreme Danger
Strong risk of dehydration / sun stroke
WIND CHILL
A combination of the wireless 5-IN-1 sensor’s temperature and wind speed data determines the current wind
chill factor.
