Extreme Cold/Wind Chill in Dorchester, South Carolina

The local criteria for an Extreme Cold Warning is temperature or wind chill of 10 degrees or less. A wind chill temperature of 10 degrees or less was ongoing at the Summerville Airport (KDYB) and at the Summerville mesonet site at 12 AM EST. The wind chill temperature first fell to 10 degrees or less at the Ridgeville mesonet site at 5 AM EST.

A winter storm impacted much of southeast South Carolina with significant snow accumulations on January 31st along with very cold wind chill temperatures persisting into late morning February 1st. An area of low pressure shifted off the Southeast Coast while deepening, ushering in a very cold air mass across the region. The depth of cold air was sufficient to support snow as the primary precipitation type during afternoon and evening hours on January 31st. Snow accumulation ended by midnight on January 31st, but hazardous traveling conditions and very cold wind chill temperatures persisted through morning hours on February 1st.