7

8

9

10

11

12

32-38

mph

39-46

mph

47-54

mph

55-63

mph

64-72

mph

73+ mph

50-61

kph

62-74

kph

75-88

kph

89-102

kph

103-117

kph

118+

kph

28-33 knots

34-40 knots

41-47 knots

48-55 knots

56-63 knots

64+

knots

 

 

 

spray.

 

 

 

 

 

 

 

 

 

 

 

 

 

Large trees sway,

 

 

 

 

 

 

 

 

becoming difficult to

 

 

Moderate or Near

 

walk.

 

 

 

Larger waves

 

 

Gale

 

 

 

 

develop, white foam

 

 

 

 

 

 

 

 

from breaking waves

 

 

 

 

begins to be blown.

 

 

 

 

 

 

 

 

 

Twigs and small

 

 

 

 

 

 

 

 

branches are broken

 

 

 

 

from trees, walking is

 

 

Gale or Fresh Gale

 

difficult.

 

 

 

Moderately large

 

 

 

 

 

 

 

 

waves with blown

 

 

 

 

foam.

 

 

 

 

 

 

 

 

Slight damage occurs to

 

 

 

buildings, shingles are

 

 

 

blown off of roofs.

 

Strong Gale

High waves (6 meters),

 

 

 

rolling seas, dense

 

 

 

foam, Blowing spray

 

 

 

reduces visibility.

 

 

 

 

 

 

 

Trees are broken or

 

 

 

 

 

 

uprooted, building

 

 

 

damage is

 

 

 

considerable.

 

Whole Gale or Storm

Large waves (6-9

 

meters), overhanging

 

 

 

 

 

 

crests, sea becomes

 

 

 

white with foam, heavy

 

 

 

rolling, reduced

 

 

 

visibility.

 

 

 

 

 

 

 

Extensive widespread

 

 

 

 

 

 

damage.

 

Violent Storm

Large waves (9-14

 

meters), white foam,

 

 

 

 

 

 

visibility further

 

 

 

reduced.

 

 

 

 

 

 

 

Extreme destruction,

 

 

 

devastation.

 

 

 

Large waves over 14

 

Hurricane

meters, air filled with

 

 

 

foam, sea white with

 

 

 

foam and driving spray,

 

 

 

little visibility.

 

 

 

 

 

 

IX. RAINFALL MEASUREMENT

If you have purchase the optional Rain Sensor, the rainfall measurement can be viewed in the WIND SPEED LCD, otherwise, the rainfall information will not be shown.

Simply press the WIND/RAIN/SNZ button to toggle between Wind and Rain display.

In the WIND SPEED LCD you can view also three kinds of rainfall measurements:

1.Rainfall volume in the past 1 hour;

2.Rainfall volume in the past 24 hours;

3.Total rainfall volume from starting the measurement

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Image 13
La Crosse Technology WS-9046U instruction manual IX. Rainfall Measurement