Blizzard Warning Issued for Sully, Potter, and Walworth Counties in South Dakota

Alert Details

The National Weather Service in Aberdeen, SD has issued a Blizzard Warning for several counties in South Dakota. This alert follows a Winter Storm Warning currently in effect. The Blizzard Warning is classified as an extreme severity event by the issuing agency.

Affected Areas

The warning specifically impacts the following geographic regions:

• Sully County
• Potter County
• Walworth County

Expected Conditions

Residents should prepare for hazardous winter weather conditions including:

• Snow Accumulation: Total snow accumulations for the event are expected to range between 3 and 7 inches.
• Wind Speeds: Winds are expected to gust as high as 45 mph during the Blizzard Warning period (gusts up to 40 mph are expected during the preceding Winter Storm Warning).
• Visibility: Blizzard conditions will lead to widespread blowing snow and whiteout conditions, making travel extremely dangerous or impossible.
• Additional Hazards: Gusty winds could potentially bring down tree branches and create slippery road conditions.

Timeline

• Winter Storm Warning: In effect until 1:00 AM CDT Sunday, March 15.
• Blizzard Warning: In effect from 1:00 AM to 1:00 PM CDT Sunday, March 15.

What You Should Do

Travel should be restricted to emergencies only. If you must travel, the National Weather Service advises the following precautions:

• Carry a winter survival kit in your vehicle.
• Keep an extra flashlight, food, and water in your vehicle in case of an emergency.
• If you become stranded, stay with your vehicle.
• Check the latest road conditions by calling 5-1-1.