Rawinsonde & T ±0.5-2.°C > ±2°C in 6–12 ~50 mb 300 km 885 stations (1200 ≥ radiosonde Stratosphere. (see soundings/day). 5 ocean Soundings V ±3 m/s below 500 Figure weather ships by 1990. mb. locations) 2.1) By 2000, no more ships, ±5 m/s above 500 ~670 stations. About mb. 600 pibal stations (1000 soundings/day): wind only in 1990. By 2000, 74 stations rh ±5% Much larger for T<-40 oC Buoys, Ocean PS ±1 mb very few 6–12 hours Originally 500–1000 130–200 were platforms TS ±1°C? measure VS mainly km operational during (incl. oil rigs, VS ±? or air used GWE. 300 (2500/da) etc.) temperature of 20° S plus ~170 (600/da) are and . Later moored in 1990. Only
Rawinsonde & radiosonde Soundings T V ±0.5-2.°C ±3 m/s ±5 m/s > ±2°C in Stratosphere. below 500 mb. above 500 mb. 6–12 locations) ~50 mb ≥ 300 km (see Figure 2.1) 885 stations (1200 soundings/day). 5 ocean weather ships by 1990. By 2000, no more ships, ~670 stations. About 600 pibal stations (1000 soundings/day): wind only in 1990. By 2000, 74 stations rh ±5% Much larger for T<-40 oC Buoys, Ocean platforms (incl. oil rigs, etc.) PS TS VS ±1 mb ±1°C? ±? very few measure VS or air temperature 6–12 hours Originally mainly used of 20° S and . Later 500–1000 km 130–200 were operational during GWE. 300 (2500/da) plus ~170 (600/da) are moored in 1990. Only
Chapter_2_v4-BW-macro.docx