Wikimore

Summary

DescriptionWeatherTeletypeChart.jpg	English: Special version of the 5-bit Baudot code formerly used to send weather information on teleprinter circuits. The arrows on the A, D, F, G, H, J, K and L keys represented wind direction, and were accessed by pressing the FIGS key, then the corresponding letter key, as follows: FIGS A (up arrow) North wind FIGS D (upper-right arrow) Northwest wind FIGS F (right arrow) East wind FIGS G (lower-right arrow) Southeast wind FIGS H (down arrow) South wind FIGS J (lower-left arrow) Southwest wind FIGS K (left arrow) West wind FIGS L (upper-left arrow) Northwest wind The arrow may be thought of as the arrow on a weather vane that turns to point into the wind. Intermediate wind directions were represented by pressing the FIGS key, then two letter keys in succession. For example, north-northwest wind would be typed as FIGS A D. Once the teleprinter received a FIGS code, it would stay in that mode until changed by a LTRS code, and vice versa. In addition, there were four symbols to represent cloud cover, as follows: FIGS C (circle) Clear — less than 0.1 sky cover FIGS V (circle w/ one vertical line) Scattereds — 0.1 to less than 0.6 sky cover FIGS B (circle w/ vertical & horizontal line) Overcast — more than 0.9 sky cover FIGS N (circle w/ two vertical lines) Broken — 0.6 to 0.9 sky cover
Date	March 1957
Source	https://www.wxonline.info/useful/ttcode.html
Author	United States Department of Commerce — Weather Bureau

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