nowcasting

[/ˈnaʊˌkæstɪŋ/]
noun
previsão em tempo real
1. The prediction of weather conditions for the immediate future (typically the next few hours) using current observational data and advanced meteorological techniques
Nowcasting provides weather warnings for severe thunderstorms within the next 2-6 hours.
A previsão em tempo real fornece alertas meteorológicos para tempestades severas nas próximas 2-6 horas.
2. In a broader context, the process of making short-term forecasts or predictions about immediate future conditions in any field using real-time data
Economic nowcasting uses current indicators to predict GDP growth for the current quarter.
A previsão econômica em tempo real usa indicadores atuais para prever o crescimento do PIB no trimestre atual.
Nowcasting is a critical term in meteorology, particularly important in Brazil due to frequent severe weather events and flash flooding. The term emerged prominently after advances in radar technology and satellite imagery. It is commonly used in technical and scientific Portuguese but often remains in English in bilingual professional contexts.
Synonyms / Sinônimos
short-term forecastingimmediate predictionreal-time forecastingvery short-range prediction
Antonyms / Antônimos
long-range forecastingclimate predictionseasonal forecast

Regional Variations

General Brazilian
previsão em tempo real
Most common translation used in meteorological contexts
Brazil - Technical
nowcasting
Often used untranslated in technical/scientific documents
Portugal
previsão imediata
Alternative phrasing used in Portuguese meteorological services
USA - Technical
nowcasting
Standard term in US National Weather Service and meteorological institutions

Related Words

weather forecastingmeteorologyprecipitationradar imagerysatellite datanowcast model

Related Idioms & Phrases

nowcasting the weather
nowcasting severe weather
nowcasting precipitation
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