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Record 1,  Textual support,  English

Record number: 1, Textual support number: 1 CONT

Balloon. Shall be reported when the height of the base of a layer aloft or vertical visibility into a surface based layer is determined by observation of a ceiling balloon, pilot balloon or aerological balloon, and the height is computed from the assumed rate of ascent and the time interval between the release of the balloon and its entry into the base of the layer or disappears into a surface based layer.  1, record 1, English, - aerological%20balloon

Record 1,  Textual support,  French

Record number: 1, Textual support number: 1 CONT

Ballon. Il faut utiliser «ballon» quand la hauteur de la base d'une couche en altitude, ou la visibilité verticale dans une couche dont la base est à la surface, est déterminée en observant un ballon de mesure du plafond, un ballon-pilote ou un ballon aérologique. La hauteur de la couche est calculée d'après la vitesse ascensionnelle présumée du ballon et le temps écoulé entre le moment où le ballon a été lâché et celui où il est entré dans la base de la couche ou disparaît dans une couche dont la base est à la surface.  1, record 1, French, - ballon%20a%C3%A9rologique

Record 1,  Textual support,  Spanish

Record 2,  Textual support,  English

Record number: 2, Textual support number: 1 DEF

An observation made in the free atmosphere either directly or indirectly.  6, record 2, English, - upper%2Dair%20observation

Record number: 2, Textual support number: 1 OBS

upper-air observation. This is a general term, but is usually applied to those observations that are used in the analysis of upper-air charts (as opposed to measurements of upper-atmospheric quantities primarily for research). Among the elements evaluated are pressure, temperature, relative humidity (e.g., by radiosonde aircraft observations), and wind speed and direction (e.g., by rawinsonde, aircraft, or wind profiling radars). Also, some mountain stations are high enough and exposed enough so that their observations may be included in the upper-air network at their elevation.  5, record 2, English, - upper%2Dair%20observation

Record number: 2, Textual support number: 2 OBS

At each [weather] station, measurements are taken of such things as air pressure and temperature, wind speed, cloud cover, and precipitation. Elsewhere, upper-level observations are made by weather balloons, and satellites, which send a continuous flow of photographs back to earth.  3, record 2, English, - upper%2Dair%20observation

Record number: 2, Textual support number: 3 OBS

upper-air observations : plural form standardized by ISO.  7, record 2, English, - upper%2Dair%20observation

Record 2,  Textual support,  French

Record number: 2, Textual support number: 1 DEF

Observation effectuée dans l'atmosphère libre, soit directement, soit indirectement.  3, record 2, French, - observation%20en%20altitude

Record number: 2, Textual support number: 1 OBS

observation en altitude : Observation météorologique effectuée dans l'atmosphère libre, soit directement, en aéronef par exemple, soit indirectement, au moyen d'un sondage exécuté à partir de la surface terrestre.  4, record 2, French, - observation%20en%20altitude

Record number: 2, Textual support number: 2 OBS

observations en altitude : terme normalisé au pluriel par l'ISO.  5, record 2, French, - observation%20en%20altitude

Record 2,  Textual support,  Spanish

Record number: 2, Textual support number: 1 DEF

Observación efectuada, directa o indirectamente, en la atmósfera libre.  2, record 2, Spanish, - observaci%C3%B3n%20en%20altitud