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A strong geomagnetic storm caused by the sun could impact Earth later this week, space weather forecasters say. The National Oceanic and Atmospheric Administration’s Space Weather Prediction ...
The Philippines issued fresh weather warnings on November 12 as the fifth major storm in three weeks bore down on the archipelago, days after thousands were evacuated ahead of Typhoon Toraji.
The 2003 Halloween solar storms had a peak Dst index of −383 nT, although a second storm on 20 November 2003 reached −422 nT while not reaching G5-class. [16] [17] The March 1989 geomagnetic storm had a peak Dst index of −589 nT, [18] while the May 1921 geomagnetic storm has been estimated to have had a peak Dst index of −907 ± 132 nT.
This is the third geomagnetic storm to reach G4 status during the current 11-year solar cycle, which began in 2019, officials said.
A geomagnetic storm, also known as a magnetic storm, is a temporary disturbance of the Earth's magnetosphere caused by a solar wind shock wave. The disturbance that drives the magnetic storm may be a solar coronal mass ejection (CME) or (much less severely) a corotating interaction region (CIR), a high-speed stream of solar wind originating ...
Typhoon Ewiniar, known in the Philippines as Typhoon Aghon, was a fairly strong tropical cyclone that impacted parts of the Philippines, particularly Luzon, in May 2024. The first named storm and typhoon of the annual typhoon season , Ewiniar emerged from an area of atmospheric convection 441 km (274 mi) southeast of Palau .
In addition to possibly bringing the northern lights to Ohio, the severe geomagnetic storm caused by solar eruptions that is predicted for this weekend might wreak havoc on cellphones, the power ...
The official planetary K p-index is derived by calculating a weighted average of K-indices from a network of 13 geomagnetic observatories at mid-latitude locations.Since these observatories do not report their data in real-time, various operations centers around the globe estimate the index based on data available from their local network of observatories.