A rare January disturbance/subtropical storm formed in the North Atlantic Ocean on January 16, 2023. The system was designated by the NHC as Invest 90L.
A severe dust storm hit parts of Argentina on January 12, 2023, quickly turning day into night.
Heavy rain and strong winds, caused by the combined effects of a low-pressure area, northeast monsoon, and shearline, have been affecting several parts of the Philippines in recent days, resulting in floods, and landslides that caused widespread damage and left at least 17 people dead.
A severe weather outbreak in the Southeast United States on Thursday, January 12, 2023, has left at least seven people dead, several injured, and extensive damage in its wake. A series of tornadoes in central Alabama killed at least six people and in Georgia, a passenger in a vehicle was killed when a tree fell on the car during a severe storm.
The Australian Bureau of Meteorology (BOM) is warning residents of continued showers and thunderstorms across northern Australia and heatwave conditions in western and southern regions. Major flooding continues along parts of the Fitzroy River in Western Australia and minor to moderate flood warnings are in place in Queensland, the Northern Territory and Western Australia.
A tropical disturbance in the Western Pacific is about to lash the Philippine islands and will persist for several days over the area and potentially develop into a tropical cyclone.
California is once again under threat as an energetic low pressure system quickly gathers strength off the West Coast, bringing with it heavy precipitation, thunderstorms and several feet of snow in the Sierra Nevada region. This, along with already saturated soils and high river levels, is expected to exacerbate ongoing flooding, prolong the risk of flash flooding, and mudslides, especially in recent burn scar regions. The National Weather Service has issued a warning for residents to be prepared, as the heavy rainfall, especially in southern California, is expected to be excessive today and tonight.
Tropical Cyclone “Hale” formed on January 7, 2023, as the first named storm of the 2022/23 South Pacific cyclone season. The system tracked into New Zealand’s area of responsibility on January 8 and was reclassified as a tropical low by New Zealand’s MetService.
The continuous rounds of heavy rain on already saturated soils across California will likely lead to significant flooding, rapid river rises, mudslides, and flash floods or debris flows in burn scar areas. In addition, gusty winds may cause trees and power lines to fall. Travel in the mountains may also be hazardous due to heavy snowfall.
A major storm and atmospheric river are poised to impact California today and Thursday with heavy to excessive rainfall, flooding with debris flows and landslides near recent burn scar areas, heavy mountain snow and high winds.