ACUS11 KWNS 291141
SWOMCD
SPC MCD 291140=20
SDZ000-291345-

Mesoscale Discussion 1376
NWS Storm Prediction Center Norman OK
0640 AM CDT Mon Jun 29 2026

Areas affected...east-central into northeast South dakota

Concerning...Severe Thunderstorm Watch 413...

Valid 291140Z - 291345Z

The severe weather threat for Severe Thunderstorm Watch 413
continues.

SUMMARY...A corridor of extreme tornado-like wind damage may persist
for an hour or two into northeast South Dakota.

DISCUSSION...A storm complex continues to travel quickly
northeastward out of central SD. This complex has supercell
characteristics, but is extremely large. Measured winds up to 131
mph have occurred, with multiple 100+ mph gusts also measured.
Though presumably straight-line winds, these speeds are firmly
within the EF2 range.

Given the longevity of this storm complex, similar wind speeds, at
least 80 to 100 mph, appear likely to approach the Aberdeen SD area
later this morning.

..Jewell.. 06/29/2026

...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!_8NMxaI6JHI4Xob2m5Ur8Ma0xN-PSGugxX3_yMQf3hdOoTzs9XwPxAJf7NvMKuglrHTlLPlhq= KSMJYcEwCcxKxK2oR4$ for graphic product...

ATTN...WFO...ABR...

LAT...LON 44639974 45699878 45809828 45579793 45359796 44459905
44469935 44489959 44639974=20

MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 90 MPH
MOST PROBABLE PEAK WIND GUST...110+ MPH
MOST PROBABLE PEAK HAIL SIZE...1.00-1.75 IN


=3D =3D =3D
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* Origin: Capitol City Weather Station (1:2320/127)