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100.1.#.a: Chatterjee, S.; Ghosh, S.; De, U. K.

524.#.#.a: Chatterjee, S., et al. (2011). Comparison between LDA technique and fuzzy membership roster method for pre-monsoon weather forecasting. Atmósfera; Vol. 24 No. 4, 2011. Recuperado de https://repositorio.unam.mx/contenidos/11213

245.1.0.a: Comparison between LDA technique and fuzzy membership roster method for pre-monsoon weather forecasting

502.#.#.c: Universidad Nacional Autónoma de México

561.1.#.a: Instituto de Ciencias de la Atmósfera y Cambio Climático, UNAM

264.#.0.c: 2011

264.#.1.c: 2011-09-30

653.#.#.a: Convective development; fuzzy membership roster method; linear discriminant analysis; instability

506.1.#.a: La titularidad de los derechos patrimoniales de esta obra pertenece a las instituciones editoras. Su uso se rige por una licencia Creative Commons BY-NC 4.0 Internacional, https://creativecommons.org/licenses/by-nc/4.0/legalcode.es, para un uso diferente consultar al responsable jurídico del repositorio por medio del correo electrónico editora@atmosfera.unam.mx

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041.#.7.h: eng

520.3.#.a: In the present study, an attempt is made to propose a new operational technique for weather forecasting at Kolkata (22.53º N, 88.33º E), India, during the pre-monsoon season (March, April and May). The technique is based on fuzzy membership roster method. It can handle inherent non-linearity in a physical phenomenon. To establish the new method, a comparative study is performed between the existing multivariate technique, the linear discriminant analysis and the newly suggested technique based on fuzzy membership roster method. It is interesting to note that for the prediction of weather of next 12 hours based on Radio/Rawin Sonde observation at 1200 UTC of a day, the fuzzy membership roster method is better than the multivariate technique. Both the methods are however almost equally suitable to predict the weather of the next 12 hours based on Radio/ Rawin Sonde observation at 0000 UTC. So, the fuzzy logic based technique, adopted here, is as efficient as the linear statistical rules, but computationally simpler. The degrees of compatibility and the discriminant functions are defined using a training data set for the period 1985-1996 and validated for the period 1997-1999.

773.1.#.t: Atmósfera; Vol. 24 No. 4 (2011)

773.1.#.o: https://www.revistascca.unam.mx/atm/index.php/atm/index

046.#.#.j: 2021-10-20 00:00:00.000000

022.#.#.a: ISSN electrónico: 2395-8812; ISSN impreso: 0187-6236

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264.#.1.b: Instituto de Ciencias de la Atmósfera y Cambio Climático, UNAM

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last_modified: 2023-06-20 16:00:00

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Artículo

Comparison between LDA technique and fuzzy membership roster method for pre-monsoon weather forecasting

Chatterjee, S.; Ghosh, S.; De, U. K.

Instituto de Ciencias de la Atmósfera y Cambio Climático, UNAM, publicado en Atmósfera, y cosechado de Revistas UNAM

Licencia de uso

Procedencia del contenido

Entidad o dependencia
Instituto de Ciencias de la Atmósfera y Cambio Climático, UNAM
Revista
Repositorio
Contacto
Revistas UNAM. Dirección General de Publicaciones y Fomento Editorial, UNAM en revistas@unam.mx

Cita

Chatterjee, S., et al. (2011). Comparison between LDA technique and fuzzy membership roster method for pre-monsoon weather forecasting. Atmósfera; Vol. 24 No. 4, 2011. Recuperado de https://repositorio.unam.mx/contenidos/11213

Descripción del recurso

Autor(es)
Chatterjee, S.; Ghosh, S.; De, U. K.
Tipo
Artículo de Investigación
Área del conocimiento
Físico Matemáticas y Ciencias de la Tierra
Título
Comparison between LDA technique and fuzzy membership roster method for pre-monsoon weather forecasting
Fecha
2011-09-30
Resumen
In the present study, an attempt is made to propose a new operational technique for weather forecasting at Kolkata (22.53º N, 88.33º E), India, during the pre-monsoon season (March, April and May). The technique is based on fuzzy membership roster method. It can handle inherent non-linearity in a physical phenomenon. To establish the new method, a comparative study is performed between the existing multivariate technique, the linear discriminant analysis and the newly suggested technique based on fuzzy membership roster method. It is interesting to note that for the prediction of weather of next 12 hours based on Radio/Rawin Sonde observation at 1200 UTC of a day, the fuzzy membership roster method is better than the multivariate technique. Both the methods are however almost equally suitable to predict the weather of the next 12 hours based on Radio/ Rawin Sonde observation at 0000 UTC. So, the fuzzy logic based technique, adopted here, is as efficient as the linear statistical rules, but computationally simpler. The degrees of compatibility and the discriminant functions are defined using a training data set for the period 1985-1996 and validated for the period 1997-1999.
Tema
Convective development; fuzzy membership roster method; linear discriminant analysis; instability
Idioma
eng
ISSN
ISSN electrónico: 2395-8812; ISSN impreso: 0187-6236

Enlaces