Assessment of ERA5 reanalysis of the observed temperature in the Philippines

Authors

Karl Angelo C. Gulfan ⋅ PH Department of Physical Sciences, Polytechnic University of the Philippines
Nerwin Chris C. Daga ⋅ PH Department of Physical Sciences, Polytechnic University of the Philippines
Robin Cedric T. Leus ⋅ PH Department of Physical Sciences, Polytechnic University of the Philippines
Patrick G. Padolina ⋅ PH Department of Physical Sciences, Polytechnic University of the Philippines
Raymond C. Ordinario ⋅ PH Philippine Atmospheric, Geophysical and Astronomical Services Administration

Abstract

This study assesses the performance of ERA5 in predicting surface air temperature against the observation in the Philippines and the effect of different seasons. The 26 PAGASA stations were used in the study to represent Luzon, Visayas and Mindanao at different seasons. The results show that there is a high reliability performance of ERA5 for Luzon and Visayas while a slight decrease was observed for Mindanao. The reanalysis and observed data was comparable with 1.3‒2.1 RMSE range and ±2°C standard deviation in all seasons. Meanwhile, the performance of ERA5 in highly elevated stations like Baguio showed a difficulty in simulating temperature. Overall, ERA5 shows a strong correlation when compared to observations and there is good confidence in its simulation and representation of surface air temperature in the Philippines.

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Issue

2021: Proceedings of the 39th Samahang Pisika ng Pilipinas Physics Conference

Article ID

SPP-2021-PB-16

Section

Poster Session B (Complex Systems, Photonics, and Interdisciplinary Topics)

Published

2021-10-01

How to Cite

[1]

KAC Gulfan, NCC Daga, RCT Leus, PG Padolina, and RC Ordinario, Assessment of ERA5 reanalysis of the observed temperature in the Philippines, Proceedings of the Samahang Pisika ng Pilipinas 39, SPP-2021-PB-16 (2021). URL: https://proceedings.spp-online.org/article/view/SPP-2021-PB-16.