MAFOR Weather Code

Group 1 Always "1"

Group 2 Period of forecast:

0-conditions at beginning of forecast.
1-valid for 3 hours
2-valid for 6 hours
3-valid for 9 hours
4-valid for 12 hours
5-valid for 18 hours
6-valid for 24 hours
7-valid for 48 hours
8-valid for 72 hours
9-occasionally

Group 3 Wind direction

0-calm
1-northeast
2-east
3-southeast
4-south
5-southwest
6-west
7-northwest
8-north
9-variable

Group 4 Wind force (knots)

0-0-10
1-11-16
2-17-21
3-22-27
4-28-33
5-34-40
6-41-47
7-48-55
8-56-63
9-64 and above

Group 5 Weather forecast

0-good to moderate visibility
1-risk of ice: 23 to 32F
2-strong risk of ice: below 23F
3-mist
4-fog
5-drizzle
6-rain
7-snow or rain & snow
8-squalls with or with out rain
9-thunderstorm

Click here for a link to the latest MAFOR forecast (look to the bottom of the page)

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