General Knowledge

The Beaufort Scale
Force 3 is defined as 7 6 34 11 5 48( 7, 6, 34, 11, 5, 48 ) to 10 9 16 11 40 55( 10, 9, 16, 11, 40, 55 ) knots and is described as a gentle breeze light breeze moderate breeze gale storm( gentle breeze, light breeze, moderate breeze, gale, storm ).

The Beaufort Scale
Force 4 is defined as 11 7 6 34 5 48( 11, 7, 6, 34, 5, 48 ) to 16 10 9 11 40 55( 16, 10, 9, 11, 40, 55 ) knots and is described as a moderate breeze gentle breeze light breeze gale storm( moderate breeze, gentle breeze, light breeze, gale, storm ).

The Beaufort Scale
Force 8 is defined as 34 7 6 11 5 48( 34, 7, 6, 11, 5, 48 ) to 40 10 9 16 11 55( 40, 10, 9, 16, 11, 55 ) knots and is described as a gale gentle breeze light breeze moderate breeze storm( gale, gentle breeze, light breeze, moderate breeze, storm ).

The Beaufort Scale
Force 10 is defined as 48 7 6 34 11 47( 48, 7, 6, 34, 11, 47 ) to 55 10 9 16 11 40 52( 55, 10, 9, 16, 11, 40, 52 ) knots and is described as a storm gentle breeze light breeze moderate breeze gale( storm, gentle breeze, light breeze, moderate breeze, gale ).

Warm Front Approaches:

1 Swell size may increase Thin high cirrus clouds appear Barometric pressure drops Wind veers to NW Cloud base drops Air temperature and humidity increase Cumulonimbus clouds Temperature drops Rain and squalls Wind backs to SW Barometric pressure rises Sky clears - occasional showers Visibility good( Swell size may increase, Thin high cirrus clouds appear, Barometric pressure drops, Wind veers to NW, Cloud base drops, Air temperature and humidity increase, Cumulonimbus clouds, Temperature drops, Rain and squalls, Wind backs to SW, Barometric pressure rises, Sky clears - occasional showers, Visibility good )
2 Thin high cirrus clouds appear Swell size may increase Barometric pressure drops Wind veers to NW Cloud base drops Air temperature and humidity increase May get rain at the warm front Cumulonimbus clouds Temperature drops Rain and squalls Wind backs to SW Barometric pressure rises Sky clears - occasional showers Visibility good( Thin high cirrus clouds appear, Swell size may increase, Barometric pressure drops, Wind veers to NW, Cloud base drops, Air temperature and humidity increase, May get rain at the warm front, Cumulonimbus clouds, Temperature drops, Rain and squalls, Wind backs to SW, Barometric pressure rises, Sky clears - occasional showers, Visibility good )
3 Barometric pressure drops Swell size may increase Thin high cirrus clouds appear Wind veers to NW Cloud base drops Air temperature and humidity increase Cumulonimbus clouds Temperature drops Rain and squalls Wind backs to SW Barometric pressure rises Sky clears - occasional showers Visibility good( Barometric pressure drops, Swell size may increase, Thin high cirrus clouds appear, Wind veers to NW, Cloud base drops, Air temperature and humidity increase, Cumulonimbus clouds, Temperature drops, Rain and squalls, Wind backs to SW, Barometric pressure rises, Sky clears - occasional showers, Visibility good )
4 Wind veers to NW Swell size may increase Thin high cirrus clouds appear Barometric pressure drops Cloud base drops Air temperature and humidity increase Cumulonimbus clouds Temperature drops Rain and squalls Wind backs to SW, Barometric pressure rises Sky clears - occasional showers Visibility good( Wind veers to NW, Swell size may increase, Thin high cirrus clouds appear, Barometric pressure drops, Cloud base drops, Air temperature and humidity increase, Cumulonimbus clouds, Temperature drops, Rain and squalls, Wind backs to SW,, Barometric pressure rises, Sky clears - occasional showers, Visibility good )
5 Cloud base drops Swell size may increase Thin high cirrus clouds appear Barometric pressure drops Wind veers to NW Air temperature and humidity increase May get rain at the warm front Cumulonimbus clouds Temperature drops Rain and squalls Wind backs to SW Barometric pressure rises Sky clears - occasional showers Visibility good( Cloud base drops, Swell size may increase, Thin high cirrus clouds appear, Barometric pressure drops, Wind veers to NW, Air temperature and humidity increase, May get rain at the warm front, Cumulonimbus clouds, Temperature drops, Rain and squalls, Wind backs to SW, Barometric pressure rises, Sky clears - occasional showers, Visibility good ) - altostratus and then nimbostratus
6 Air temperature and humidity increase Swell size may increase Thin high cirrus clouds appear Barometric pressure drops Wind veers to NW Cloud base drops May get rain at the warm front Cumulonimbus clouds Temperature drops Rain and squalls Wind backs to SW Barometric pressure rises Sky clears - occasional showers Visibility good( Air temperature and humidity increase, Swell size may increase, Thin high cirrus clouds appear, Barometric pressure drops, Wind veers to NW, Cloud base drops, May get rain at the warm front, Cumulonimbus clouds, Temperature drops, Rain and squalls, Wind backs to SW, Barometric pressure rises, Sky clears - occasional showers, Visibility good )
7 Swell size may increase Thin high cirrus clouds appear Barometric pressure drops Wind veers to NW Cloud base drops Air temperature and humidity increase May get rain at the warm front Cumulonimbus clouds Temperature drops Rain and squalls Wind backs to SW Barometric pressure rises Sky clears - occasional showers Visibility good( Swell size may increase, Thin high cirrus clouds appear, Barometric pressure drops, Wind veers to NW, Cloud base drops, Air temperature and humidity increase, May get rain at the warm front, Cumulonimbus clouds, Temperature drops, Rain and squalls, Wind backs to SW, Barometric pressure rises, Sky clears - occasional showers, Visibility good )

Cold Front Approaches:

1 Swell size may increase Thin high cirrus clouds appear Barometric pressure drops Wind veers to NW Cloud base drops Air temperature and humidity increase May get rain at the warm front Cumulonimbus clouds Temperature drops Rain and squalls Wind backs to SW, Barometric pressure rises Sky clears - occasional showers Visibility good( Swell size may increase, Thin high cirrus clouds appear, Barometric pressure drops, Wind veers to NW, Cloud base drops, Air temperature and humidity increase, May get rain at the warm front, Cumulonimbus clouds, Temperature drops, Rain and squalls, Wind backs to SW,, Barometric pressure rises, Sky clears - occasional showers, Visibility good )
2 Temperature drops Swell size may increase Thin high cirrus clouds appear Barometric pressure drops Wind veers to NW Cloud base drops Air temperature and humidity increase May get rain at the warm front Cumulonimbus clouds Rain and squalls Wind backs to SW Barometric pressure rises Sky clears - occasional showers Visibility good( Temperature drops, Swell size may increase, Thin high cirrus clouds appear, Barometric pressure drops, Wind veers to NW, Cloud base drops, Air temperature and humidity increase, May get rain at the warm front, Cumulonimbus clouds, Rain and squalls, Wind backs to SW, Barometric pressure rises, Sky clears - occasional showers, Visibility good )
3 Rain and squalls Swell size may increase Thin high cirrus clouds appear Barometric pressure drops Wind veers to NW Cloud base drops Air temperature and humidity increase May get rain at the warm front Cumulonimbus clouds Temperature drops Wind backs to SW Barometric pressure rises Sky clears - occasional showers Visibility good( Rain and squalls, Swell size may increase, Thin high cirrus clouds appear, Barometric pressure drops, Wind veers to NW, Cloud base drops, Air temperature and humidity increase, May get rain at the warm front, Cumulonimbus clouds, Temperature drops, Wind backs to SW, Barometric pressure rises, Sky clears - occasional showers, Visibility good )

Behind the cold front

1 Wind backs to SW Swell size may increase Thin high cirrus clouds appear Barometric pressure drops Wind veers to NW Cloud base drops Air temperature and humidity increase May get rain at the warm front Cumulonimbus clouds Temperature drops Rain and squalls Barometric pressure rises Sky clears Visibility good( Wind backs to SW, Swell size may increase, Thin high cirrus clouds appear, Barometric pressure drops, Wind veers to NW, Cloud base drops, Air temperature and humidity increase, May get rain at the warm front, Cumulonimbus clouds, Temperature drops, Rain and squalls, Barometric pressure rises, Sky clears, Visibility good ), often giving a very cold arctic wind
2 Swell size may increase Thin high cirrus clouds appear Barometric pressure drops Wind veers to NW Cloud base drops Air temperature and humidity increase May get rain at the warm front Cumulonimbus clouds Temperature drops Rain and squalls Wind backs to SW Barometric pressure rises Sky clears - occasional showers Visibility good( Swell size may increase, Thin high cirrus clouds appear, Barometric pressure drops, Wind veers to NW, Cloud base drops, Air temperature and humidity increase, May get rain at the warm front, Cumulonimbus clouds, Temperature drops, Rain and squalls, Wind backs to SW, Barometric pressure rises, Sky clears - occasional showers, Visibility good )
3 Shy clears - occasional showers Swell size may increase Thin high cirrus clouds appear Barometric pressure drops Wind veers to NW Cloud base drops Air temperature and humidity increase May get rain at the warm front Cumulonimbus clouds Temperature drops Rain and squalls Wind backs to SW Barometric pressure rises Visibility good( Shy clears - occasional showers, Swell size may increase, Thin high cirrus clouds appear, Barometric pressure drops, Wind veers to NW, Cloud base drops, Air temperature and humidity increase, May get rain at the warm front, Cumulonimbus clouds, Temperature drops, Rain and squalls, Wind backs to SW, Barometric pressure rises, Visibility good )
4 Visibility good Swell size may increase Thin high cirrus clouds appear Barometric pressure drops Wind veers to NW Cloud base drops Air temperature and humidity increase May get rain at the warm front Cumulonimbus clouds Temperature drops Rain and squalls Wind backs to SW Barometric pressure rises Sky clears - occasional showers( Visibility good, Swell size may increase, Thin high cirrus clouds appear, Barometric pressure drops, Wind veers to NW, Cloud base drops, Air temperature and humidity increase, May get rain at the warm front, Cumulonimbus clouds, Temperature drops, Rain and squalls, Wind backs to SW, Barometric pressure rises, Sky clears - occasional showers )