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DUREE PREVISIONS [1 record]

Record 1 2002-09-17

English

Subject field(s)
  • Meteorological Forecasting, Data Measurement and Analysis
  • Air Transport
DEF

Specified period of time to which the conditions stated in a weather forecast refer.

CONT

The Costello Geomagnetic Activity Index model ... is a neural network algorithm that was trained on the response of the Kp geomagnetic activity index to solar wind parameters. The model takes the most recent two hours of solar wind data and returns a 3-hour activity index prediction in units of Kp. The valid time of the prediction is indicated on the output graphics by horizontal bars.

CONT

Guide to the Regional [Weather] Forecast Maps ... The "Forecast Period" gives the 24-hour time span for which the plotted data are valid.

CONT

... Weather Forecasting System. ... The operational run schedule is listed in the table below. Each run is identified by three characters followed by the forecast length in hours. The first character is the model identification, and the next two digits are the initial hour. As an example G00+48h means a model "G" analysis at 00 UTC followed by a 48 hours forecast.

Key term(s)
  • validity period
  • forecast valid period
  • prediction valid time
  • period of validity of a forecast

French

Domaine(s)
  • Prévisions météorologiques et mesure et analyse des données
  • Transport aérien
DEF

Intervalle de temps spécifié pendant lequel les conditions indiquées dans une prévision météorologique sont valables.

OBS

période de validité des prévisions : terme uniformisé par le Comité d'uniformisation de la terminologie aéronautique (CUTA) - Opérations aériennes.

Key term(s)
  • période des prévisions
  • durée des prévisions

Spanish

Campo(s) temático(s)
  • Previsiones meteorológicas, medición y análisis de datos
  • Transporte aéreo
DEF

Período de tiempo especificado durante el cual tienen validez las condiciones enunciadas en una predicción meteorológica.

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