Weather monitoring centre detected 964 atmospheric electromagnetic discharges on 7 June!
From 7th to 9th June, the Aver-o-Mar School Group’s weather monitoring centre detected close to 1,000 atmospheric electromagnetic discharges, more precisely 964 occurrences, between 4pm and 9.04pm on the 7th, when the peak was reached.
In the tables below you can see the type of warning issued by the station.
An electromagnetic anomaly detected in the context of meteorology refers to an unexpected deviation or change in the characteristics of the electromagnetic fields that can be measured in the atmosphere. These anomalies can be indicative of various meteorological or geophysical situations or phenomena. Electromagnetic anomalies can occur before natural events, such as storms, and these changes in
the electromagnetic fields can be indicative of underlying processes that are developing, such as changes in the electrical charge of the atmosphere.
During the formation of storms, there is intense electrical activity that can generate anomalies in the electromagnetic fields, and are therefore the subject of research and monitoring. In fact, electromagnetic anomalies are monitored in order to better predict and understand meteorological and geophysical phenomena. In terms of detection techniques, these include Radio Frequency equipment, which detects changes in radio frequencies that may indicate anomalous electromagnetic activity.
In our case, we’ve been detecting an increase in the quantity and frequency of these anomalies at the weather station, which are far removed from the normal defined as a baseline for perfect weather conditions (sunny day, no approaching storms or other meteorological or geophysical phenomena).
The Grouping’s station has a sensor, the first of its kind in the region, which detected the intensity and distance of the events, as can be seen in the photos below. The installation of two more sensors, in different locations, is being considered, in order to better triangulate the signal and increase accuracy in identifying the location. The lightning sensor uses AMS’s innovative AS3935 Franklin IC and a dedicated Coilcraft MA5532-AE antenna to detect the distance, intensity and frequency of lightning strikes within a radius of 40 kilometres, both indoors and outdoors.
Cover image source: Notícias de Coimbra newspaper
Frightening! The number of lightning strikes recorded in Portugal in the last 24 hours – Notícias de Coimbra (noticiasdecoimbra.pt)
