Record-breaking rainfall submerged streets and disrupted travel across the New York City metropolitan area on September 29, 2023. The deluge set new daily records and made this month the wettest September in New York City’s recorded history.
A seismic swarm consisting of approximately 64 events, with magnitudes ranging up to 4.2, has been observed since 05:06 LT on September 26, 2023, in the Campi Flegrei region, Italy.
The Coronal Mass Ejection (CME) that was launched on September 22, 2023, hit Earth’s magnetic field on September 24 at 20:43 UTC, sparking a moderate G2 – Moderate geomagnetic storm and rare red auroras. Initially detected in Canada where magnetometer readings spiked by 129 nT, the event later became visible across Europe, reaching as far south as France.
Ahead of a deadly magnitude 6.8 earthquake in Eastern Morocco’s High Atlas Mountains on September 8, 2023, unexplained lights were reported in the sky. While the phenomenon has historical roots and recent accounts, its authenticity and cause remain subjects of debate.
A massive wave crashed into a beach restaurant in KwaZulu-Natal, South Africa on September 17, 2023, leaving 12 people injured. Five of them were transported to a hospital in a serious condition.
As the winter season of 2023/2024 approaches, a newly forming Polar Vortex is drawing attention in the Stratosphere over the North Pole. Its rapid intensification could lead to significant weather impacts for parts of North America and Europe.
A powerful storm dubbed Daniel dropped exceptionally high amounts of rain over parts of central Greece on September 4 and 5, 2023, resulting in widespread flooding, destruction, and the tragic loss of at least 10 lives. Experts label this as the country’s worst storm since records began in 1930. The worst affected was the Thessaly Region, particularly its Magnesia prefecture.
Tropical Storm “Lee” formed on September 5, 2023, as the 13th named storm of the 2023 Atlantic hurricane season. The storm is expected to rapidly intensify into an extremely dangerous hurricane by the weekend.
On September 2, 2023, a coronal mass ejection (CME) launched by our sun hit Comet Nishimura (C/2023 P1), causing a disconnection event and stripping its tail. This encounter occurred while the comet was located about halfway between the orbits of Mercury and Venus.
On September 2, 2023, the eastern Indian state of Odisha faced an extreme weather event with a staggering 61 000 lightning strikes in just two hours, leading to 12 deaths and 14 injuries.