Two CMEs strike Earth, producing G3 – Strong geomagnetic storm
Two coronal mass ejections (CMEs) impacted Earth on September 18, 2023, producing G3 – Strong geomagnetic storming.

Two coronal mass ejections (CMEs) impacted Earth on September 18, 2023, producing G3 – Strong geomagnetic storming.

A rare tornado touched down near the towns of Saint-Pierre-des-Landes and Ernée in the department of Mayenne, NW France on Sunday afternoon (LT), September 17, 2023.

Medicane “Marquesa”, also known as Storm Daniel, made a devastating landfall in Libya on September 10, 2023, resulting in severe flash flooding, especially in the country’s northeast. The storm brought with it extremely heavy rainfall, leading to catastrophic flooding and a tragic death toll of over 4 500 people, with thousands still missing.

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.

A strong and shallow earthquake registered by the USGS as M6.8 hit Morocco’s High Atlas mountains at 22:11 UTC on Friday, September 8, 2023. The quake hit at 23:11 local time at a depth of 18.6 km (11.5 miles). EMSC is reporting M6.9 at a depth of 10 km (6.2 miles).

Extremely heavy rains brought by the remnants of Typhoon “Haikui” caused severe floods across Hong Kong on September 8, 2023, causing widespread disruption, evacuations, and leading to at least two fatalities.

A newly-discovered asteroid designated 2023 RS flew past our planet at an extremely close distance of just 0.027 LD or 0.00007 AU (~10 361 km / 6 438 miles) from the center of Earth at 14:26 UTC on September 7. This is the 53rd known asteroid to fly past Earth within 1 lunar distance since the start of the year and the first so far this month.

After sweeping over Taiwan, Typhoon “Haikui” hit China’s southeastern province of Fujian early September 5, 2023, dropping record-breaking rains. Haikui caused severe flash flooding and traffic chaos, damaged power and communication lines, and forced more than 30 000 people to evacuate. At least one person died.

Severe flash floods struck several districts of Istanbul following heavy downpours on September 5, 2023, leaving at least 2 people dead and five others injured.

Weather models suggest Greece will continue to be impacted by a major rainfall event over the next two days, raising the threat of major flooding in parts of the country. At the same time, a Mediterranean tropical-like cyclone, known as a medicane, threatens to escalate flooding risks in Sicily, Malta, and Libya.