Wind Chill - Ventus W177 Bedienungsanleitung

Average wind speed:
Gust wind speed:
Beaufort Knots
0 Under 1
1 – 3
1
4 – 6
2
7 – 10
3
11 – 16
4
17 – 21
5
22 – 27
6
28 – 33
7
34 – 40
8
41 – 47
9
48 – 55
10
56 – 63
11
12 64 & over
(Reference table based on observations of the effects of the wind)

WIND CHILL

Wind chill is the apparent temperature felt on exposed skin due to the combination of air temperature
and wind speed. The wind chill reading on the monitor is calculated based on the temperature
measured from the anemometer (channel-1) and the average wind speed.
GUST WIND & WIND CHILL ALARM
High Gust Wind Alarm
You can set the monitor to sound an alarm for about 1 minute when gust wind reaches or exceeds a set
limit. Press "WIND ALARM" to silence the alarm sound. The related high alarm icons will continue to
flash until the alarm condition is no longer met.
High Gust Wind Alarm Setting:
Press "WIND ALARM" to show high gust wind alarm display. "ALARM" icons appear in the gust
-
wind display area
Hold "WIND ALARM" button to enter its setting mode and gust wind digits will flash
-
Average wind speed over a 2-minute period
Maximum wind speed over a 10-minute period
Wave height Wave height
(meter) (feet)
- -
0.07 0.25
0.15 – 0.3 0.5 – 1
0.6 – 0.9 2 – 3
1 – 1.5 3.5 – 5
1.8 – 2.4 6 – 8
2.9 – 4 9.5 – 13
4.1 – 5.8 13.5 – 19
5.5 – 7.6 18 – 25
7 – 9.7 23 – 32
8.8 – 12.5 29 – 41
11.2 – 15.8 37 – 52
13.7 & over 45 & over
WMO description
Clam
Light air
Light breeze
Gentle breeze
Moderate breeze
Fresh breeze
Strong breeze
Near gale breaking waves begins to be blown in
length; edges of crests begin to break
Gale
High waves; sea begins to roll; dense
Strong Gale
Storm
Violent
Hurricane
11
Effects observed on the sea
Sea is like a mirror
Ripples with appearance of scales;
no foam crests
Small wavelets; crests of glassy
appearance, not breaking
Large wavelets; crests begin to
break; scattered whitecaps
Small waves, becoming longer;
numerous whitecaps
Moderate waves, taking longer form;
many whitecaps; some spray
Larger waves forming; whitecaps
everywhere; more spray
Sea heaps up; white foam from
streaks
Moderately high waves of greater
into spindrift; foam is blown in
well-marked streaks
streaks of foam; spray may begin to
reduce visibility
Very high waves with overhanging
crests; sea takes white appearance
as foam is blown in very dense
streaks; rolling is heavy and visibility
is reduced
Exceptionally high waves; sea
covered with white foam patches;
visibility further reduced
Air filled with foam; sea completely
white with driving spray; visibility
greatly reduced