|
The eye in the codfish on the roof of the Legal
Seafood building in the harbor changes color to indicate the wind
speed. It's based on the beaufort scale. Here's the table. |
EYE Color/pulse
|
Beaufort Force
|
Knots
|
MPH
|
Sea Conditions
|
Slow on/off
Pulse |
Force 0
|
0-1
|
Calm
0-1.7
|
Glassy-smooth, mirror-like |
Violet with
1 Blue pulse |
Force 1
|
2-3
|
Light air
1.8-4
|
Scale-like ripples |
Indigo with
2 Blue pulses |
Force 2
|
4-6
|
Light breeze
4.1-7.4
|
Small, short wavelets with glassy crests |
Blue with
3 Green pulses |
Force 3
|
7-10
|
Gentle breeze
7.5-12.0
|
Large wavelets, crests begin to break |
Green with
4 Yellow pulses |
Force 4
|
11-16
|
Moderate breeze
12.1-18.9
|
Small waves, some whitecaps |
Yellow with
5 Orange pulses |
Force 5
|
17-21
|
Fresh breeze
19.0-24.7
|
Moderate longer waves, better formed with
Many whitecaps, much foam, some spray |
Orange with
6 Red pulses |
Force 6
|
22-27
|
Strong breeze
24.8-31.6
|
Large waves form, many whitecaps, foam everywhere, more spray |
Red with
7 White pulses |
Force 7
|
28-33
|
Moderate gale
31.7-38.5
|
Sea heaps up, streaks of foam spindrift begins |
|