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Risk Assessment of the Ground Magnetic Response to the March and April 2023 Geomagnetic Storms Using Geomagnetically Induced Currents Indices
SPACE WEATHER
21 april 2025
Paul O. Amaechi, Honoré E. MESSANGA, Oswald Didie...
We analyzed the solar origin and ground response during the severe geomagnetic storms (GSs) of 23–24 March (GS1) and 23–24 April 2023 (...
A Preliminary Study of TEC Prediction Performance of the IRI-2016 and NeQuick 2 Models Over a Low-Latitude Station, Lagos, Nigeria
AERONOMY: GENERAL CONTRIBUTIONS POSTER
spa-aeronomy | 13 december 2024
Elijah O. Oyeyemi, Andrew Akala, Busola Olugbon, D...
Total electron content (TEC) is one of the major ionospheric parameters whose variability significantly affects radio wave propagation, causing delays...
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Ground induced current during the May 2024 Gannon storm: A comparative analysis with the severe events of October and November 2003
THE MAY 2024 GANNON STORM: SPACE WEATHER OPERATIONAL PERFORMANCE, VALIDATIONS, AND OPERATIONS-TO-RESEARCH LESSONS I POSTER
spa-solar and heliospheric physics | 09 december 2024
Paul O. Amaechi, Honoré E. MESSANGA, Andrew Akala...
Geomagnetic storms (GSs) are natural space weather that drive ground induced currents (GICs) which constitute a hazard to critical infrastructure such...
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Co-ordinated Studies of Equatorial Ionospheric Scintillation Using Ground-Based Instruments
OBSERVATIONAL AND MODELING STUDIES OF IONOSPHERIC IRREGULARITIES AND SCINTILLATION III POSTER
spa-aeronomy | 15 december 2023
Elijah O. Oyeyemi, Busola Olugbon, Andrew Akala, O...
Recently, a scintillation monitor was installed in Lagos, University of Lagos, (geographic: 3.27°E, 6.48°N; dip latitude -1.72°), Nigeria. The availab...
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Responses of Global Equatorial/Low-Latitude Ionosphere to CME-driven and CIR-driven Geomagnetic Storms
SPACE WEATHER CHALLENGES IN THE NEAR-EARTH GEOSPACE III POSTER
spa-aeronomy | 14 december 2022
Andrew Akala, Yuichi Otsuka
Geomagnetic storms are global disturbances in the Earths magnetic field arising from variations of solar and interplanetary events, and they are capab...
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African and American Equatorial Ionization Anomaly (EIA) Responses to 2013 SSW Event
JOURNAL OF GEOPHYSICAL RESEARCH: SPACE PHYSICS
12 march 2022
Omena R. Idolor, Andrew Akala, Segun Bolaji
This study investigates the responses of the African and American Equatorial Ionization Anomaly (EIA) regions to 2013 Sudden Stratospheric Warming ...
Multi‐Instrument Investigation of the Impact of the Space Weather Events of 6–10 September 2017
SPACE WEATHER
27 december 2021
Paul O. Amaechi, Andrew Akala, Oluwole Oyedokun, ...
We analyzed the space weather events of 6–10 September 2017 using the multi‐instrument approach. We focused on the four X‐class f...
Responses of the African and American Equatorial Ionization Anomaly (EIA) to 2014 Arctic SSW Events
SPACE WEATHER
02 november 2021
Omena R. Idolor, Andrew Akala, Segun Bolaji
Aside from the influence of forcing from above on the ionosphere during space weather, forcing from below also have significant influence on the io...