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Aviation Weather Handbook

FAA-H-8083-28B Version 2026

Chapter 27

Forecasts

13012KT Wind 130° true at 12 kt.

P6SM Visibility greater than 6 SM.

BKN100 Ceiling 10,000 ft broken.

WS020/35035KT Wind shear at 2,000 ft, wind from 350° true at 35 kt.

TEMPO 1112/1114 Temporary conditions between the 11th day of the month at 1200 UTC and the 11th day of the month at 1400 UTC.

5SM Visibility 5 SM.

BR Mist.

FM111500 From the 11th day of the month at 1500 UTC.

16015G25KT Wind 160° true at 15 kt gusting to 25 kt.

P6SM Visibility greater than 6 SM.

SCT040 BKN250 4,000 ft scattered, ceiling 25,000 ft broken.

FM120000 From the 12th day of the month at 0000Z.

14012KT Wind 140° true at 12 kt.

P6SM Visibility greater than 6 SM.

BKN080 OVC150 Ceiling 8,000 ft broken, 15,000 ft overcast.

PROB30 1200/1204 30 percent probability between the 12th day of the month at 0000 UTC and the 12th day of the month at 0400 UTC.

3SM Visibility 3 SM.

TSRA Thunderstorm with moderate rain showers.

BKN030CB Ceiling 3,000 ft broken with cumulonimbus.

FM120400 From the 12th day of the month at 0400 UTC.