FROM: NWS Aberdeen SD
AREA: Brown, SD; Day, SD; Marshall, SD; Spink, SD
SENT: 2026-06-29T08:29:00-05:00
Severe Thunderstorm Warning issued June 29 at 8:29AM CDT until June 29 at 8:45AM CDT by NWS Aberdeen SD
At 827 AM CDT, severe thunderstorms were located along a line
extending from near Newport Colony to near Langford to near Roslyn,
moving northeast at 50 mph.
THESE ARE DESTRUCTIVE STORMS FOR Northern Day and southern Marshall
County.
HAZARD…80 mph wind gusts and half dollar size hail.
SOURCE…Trained weather spotters. At 817 AM, a 62 mph wind gust was
reported in Andover.
IMPACT…Flying debris will be dangerous to those caught without
shelter. Mobile homes will be heavily damaged. Expect
considerable damage to roofs, windows, and vehicles.
Extensive tree damage and power outages are likely.
Locations impacted include…
Newport Colony, Eden, Opitz Lake, Cattail Lake, Amherst and Fort
Sisseton State Park.
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
This is an EXTREMELY DANGEROUS SITUATION with tornado like wind
speeds expected. Mobile homes and high profile vehicles are
especially susceptible to winds of this magnitude and may be
overturned. For your protection move to an interior room on the
lowest floor of a building. These storms have the potential to cause
serious injury and significant property damage.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
Alert Expiration: 2026-06-29T08:45:00-05:00
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