Surface Observations 111 Group Land Observations 111 111

Surface Observations 111 Group - Land Observations ﺍﻷﺮﺍﺿﻲ ﺍﻟﺮﺻﺪ - 111 ﻣﺠﻤﻮﻋﺔ

111 Group - Land Observations iih. VV Nddff 00 fff 1 s. TTT 2 s. TTT 3 PPPP 4 PPPP 5 appp 6 RRRt 7 ww. WW 8 Nh. CCC 9 GGgg � i. Ri. Xh. VV i. R -- Precipitation indicator ix -- Station type and present and past weather indicator h -- Cloud base of lowest cloud seen (meters above ground) VV -- Visibility � Nddff N -- Total cloud cover dd -- wind direction in 10 s of degrees ff -- wind speed in units determined by wind type indicator � 00 fff (optional) fff -- wind speed if value greater than 100 � 1 s. TTT – Temperature s -- sign of temperature (0=positive, 1=negative) TTT -- Temperature in. 1 C � 2 s. Td. Td – Dewpoint s -- sign of temperature (0=positive, 1=negative, 9 = RH) Td. Td -- Dewpoint temperature in. 1 C (if sign is 9, TTT is relative humidity)

N -- Total cloud cover N 0 -- 0 eighths (clear) 1 -- 1/8 th 2 -- 2/8 ths 3 -- 3/8 ths 4 -- 4/8 ths 5 -- 5/8 ths 6 -- 6/8 ths 7 -- 7/8 ths 8 -- 8/8 ths (overcast) 9 -- sky obscured / -- no observation

dd -- wind direction in 10 s of degrees

ff -- wind speed

00 fff ﺍﻟﻤﺠﻤﻮﻋﺔ 00 fff (optional) fff -- wind speed if value greater than 100

1 sn. TTT ﺍﻟﻤﺠﻤﻮﻋﺔ 1 s. TTT -- Temperature s -- sign of temperature (0=positive, 1=negative) TTT -- Temperature in. 1 C

2 sn. Td. Td ﺍﻟﻤﺠﻤﻮﻋﺔ 2 s. Td. Td -- Dewpoint s -- sign of temperature (0=positive, 1=negative, 9 = RH) Td. Td -- Dewpoint temperature in. 1 C (if sign is 9, TTT is relative humidity)