Video Experimental Relacionado
Updated: Apr 4, 2026
10:46
A Method of Trigonometric Modelling of Seasonal Variation Demonstrated with Multiple Sclerosis Relapse Data
Published on: December 9, 2015
11.2K
La revolución silenciosa de la predicción numérica del tiempo
Peter Bauer1, Alan Thorpe1, Gilbert Brunet2
1European Centre for Medium-Range Weather Forecasts, Shinfield Park, Reading RG2 9AX, UK.
Nature
|September 4, 2015
Resumen
La predicción numérica del tiempo (PNM) ha revolucionado silenciosamente la predicción a través del progreso científico y tecnológico gradual. Su profundo impacto rivaliza con simulaciones complejas, haciéndolo una piedra angular de la ciencia física moderna.
Área de la Ciencia:
- Ciencias físicas
- Ciencias atmosféricas
- Ciencias computacionales
Sus antecedentes:
- La predicción numérica del tiempo (PMA) ha avanzado significativamente debido al progreso científico y tecnológico sostenido.
- Estos avances, aunque no siempre están ligados a grandes avances físicos, han tenido un profundo impacto en las previsiones.
- NWP representa un desafío computacional complejo, comparable a la simulación del cerebro humano o la evolución del universo temprano.
Objetivo del estudio:
- Para resaltar el impacto significativo, aunque a menudo subestimado, de la predicción numérica del tiempo.
- Para contextualizar NWP como un logro importante en la ciencia física y el modelado computacional.
- Para subrayar la importancia operativa diaria de la predicción del tiempo global.
Principales métodos:
- Aprovechando décadas de conocimientos científicos acumulados en meteorología y física atmosférica.
- Implementación de técnicas computacionales avanzadas para el modelado atmosférico complejo.
- Utilizando recursos de computación de alto rendimiento en los principales centros operativos de todo el mundo.
Principales resultados:
- Demostró mejoras sustanciales en la precisión y fiabilidad de los pronósticos meteorológicos.
- Establecido NWP como una herramienta crítica para la comprensión y la predicción de patrones climáticos.
- Logró predicciones climáticas globales diarias comparables en complejidad a la simulación del cerebro humano o el universo primitivo.
Conclusiones:
- La predicción numérica del tiempo representa una 'revolución silenciosa' en la ciencia del pronóstico.
- El impacto de NWP es uno de los más grandes en cualquier área de la ciencia física.
- La predicción del tiempo global es una hazaña computacional diaria a gran escala realizada en todo el mundo.
Videos de Conceptos Relacionados
01:24Numerical Calculations
1.3K
In engineering applications, the representation of the numerical value is critical. Presenting or reporting the answer is one of the essential parts of engineering practices. Numerical calculations are performed using handheld calculators or computers since numerically accurate answers are always preferred.
The solution to a problem is obtained using different methods. While manually solving algebraic symbols is one of the most common methods, the graphical method is often preferred. Computers...
The solution to a problem is obtained using different methods. While manually solving algebraic symbols is one of the most common methods, the graphical method is often preferred. Computers...
1.3K
01:07What is Weather?
20.6K
Overview
20.6K
00:59How Data are Classified: Numerical Data
41.1K
Data that are countable or measurable in specific units are called numerical or quantitative data. Quantitative data are always numbers. Quantitative data are the result of counting or measuring the attributes of a population. Amount of money, pulse rate, weight, number of people living in a town, and number of students who opt for statistics are examples of quantitative data.
Quantitative data may be either discrete or continuous. All quantitative data that take on only specific numerical...
Quantitative data may be either discrete or continuous. All quantitative data that take on only specific numerical...
41.1K
01:17Precipitation and Co-precipitation
5.7K
Precipitation and coprecipitation methods can be used to separate a mixture of ions in a solution. In qualitative inorganic analysis, ions that form sparingly soluble precipitates with the same reagent are separated based on the differences in solubility products. For example, consider the separation of Cu(II) and Fe(II) ions by precipitation as insoluble sulfides. First, copper(II) sulfide is precipitated by the addition of acidic H2S, where the dissociation of H2S is suppressed. Adding H2S...
5.7K
01:13Review and Preview
12.2K
Data are individual items of information obtained from a population or sample. Data may be classified as qualitative (categorical), quantitative continuous, or quantitative discrete. Because it is not practical to measure the entire population in a study, researchers use samples to represent the population. A random sample is a representative group from the population chosen by using a method that gives each individual in the population an equal chance of being included in the sample. Random...
12.2K
01:12Precipitation Processes
6.5K
The experimental conditions in a gravimetric analysis should be optimized to maximize the particle size and purity of the obtained precipitate. Ideally, the concentration of the precipitating reagent should be low with effective stirring to maintain low relative supersaturation for the growth of large crystals. In homogeneous precipitation, the precipitant is slowly generated by a chemical reaction in the solution to avoid local reagent excesses. For example, urea decomposes gradually to...
6.5K