La Crosse Technology WS-7395U instruction manual Mph

0

1

2

3

4

5

6

7

8

mph

<1

1-3

mph

4-7

mph

8-12 mph

13-18

mph

19-24

mph

25-31

mph

32-38

mph

39-46

mph

km/hr

<1

1-5 kph

6-11

kph

12-19

kph

20-28

kph

29-38

kph

39-49

kph

50-61

kph

62-74

kph

knots

<1

1-3

knots

4-6

knots

7-10 knots

11-16 knots

17-21 knots

22-27 knots

28-33 knots

34-40 knots

Calm

Light Air

Light Breeze

Gentle Breeze

Moderate Breeze

Fresh Breeze

Strong Breeze

Moderate or Near Gale

Gale or Fresh Gale

Still, calm air, smoke will rise vertically.

Water is mirror-like.

Rising smoke drifts, wind vane is inactive.

Small ripples appear on water surface.

Leaves rustle, can feel wind on your face, wind vanes begin to move.

Small wavelets develop, crests are glassy.

Leaves and small twigs move, light weight flags extend.

Large wavelets, crests start to break, some whitecaps.

Small branches move, raises dust, leaves and paper.

Small waves develop, becoming longer, whitecaps.

Small trees sway.

White crested wavelets (whitecaps) form, some spray.

Large tree branches move, telephone wires begin to "whistle", umbrellas are difficult to keep under control.

Larger waves form, whitecaps prevalent, spray.

Large trees sway, becoming difficult to walk.

Larger waves develop, white foam from breaking waves begins to be blown.

Twigs and small branches are broken from trees, walking is difficult.

Moderately large waves with blown foam.

9

47-54

mph

75-88

kph

41-47 knots

Strong Gale

Slight damage occurs to buildings, shingles are blown off of roofs.

15