![]() ![]() ![]() Visibilities were near zero for much of the day and even into the 27th. By 7 AM, blizzard conditions extended all the way to Cleveland. Blizzard conditions arrived in Cincinnati around 1 AM January 26 and reached Dayton and Columbus within the next couple hours. Early the next morning, an arctic airmass pushed into the area with bitter cold temperatures and howling winds. National Weather Service offices across the Great Lakes and Upper Ohio Valley had issued blizzard warnings for most of the region by late evening on January 25th. Rain and fog were widespread across the region during the evening hours of Januwith temperatures generally in the 30s and 40s. Even more impressive was Cleveland's record low pressure reading of 28.28 inches, which remains the lowest pressure ever recorded in Ohio and one of the lowest pressure readings on record within the mainland United States (not associated with a hurricane). These readings set new records for the lowest sea level pressures ever recorded at each station. On January 26th, the barometric pressure dropped to 28.46 inches of mercury at Columbus, 28.68 inches at Dayton, and 28.81 inches at Cincinnati. In fact, several weather stations in the storm's path had to readjust their barographs as station pressures fell below the initial chart scale. The resultant massive and powerful storm system produced some of the lowest pressure readings ever recorded in the United States mainland that were not associated with hurricanes. a surface low pressure system moving north from the Gulf Coast into Kentucky and Ohio. The barograph at the National Weather Service office located at the Greater Cincinnati Airport had to be readjusted as an unprecedented drop in pressure caused the pen to fall off the initial chart scale.
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