ACUS11 KWNS 100059
SWOMCD
SPC MCD 100059=20
IAZ000-NEZ000-SDZ000-100230-

Mesoscale Discussion 1054
NWS Storm Prediction Center Norman OK
0759 PM CDT Tue Jun 09 2026

Areas affected...much of Nebraska into southeastern South Dakota and
far western Iowa

Concerning...Tornado Watch 296...

Valid 100059Z - 100230Z

The severe weather threat for Tornado Watch 296 continues.

SUMMARY...Supercells and linear clusters remain capable of all
hazards. A downstream watch for eastern NE and possibly into
southeastern SD and/or western IA is likely this evening.

DISCUSSION...Across Tornado Watch #296, several clusters of severe
storms have organized over the past couple of hours. While
intensification has been slow, the environment remains very unstable
and will become increasingly sheared this evening. Storm mode
remains mixed with supercells and linear clusters with a risk for
severe wind gusts, large to very large hail and a couple of
tornadoes.

Additional storm development is expected across central NE tonight
as ascent increases with the nocturnal low-level jet. Further
intensification of the western supercells and line segments is
expected, along with the linear the cluster along I-80 which has
produced recent severe gusts to 80 mph. Tornado potential will be
maximized with any discrete/semi-discrete supercells across central
and northern NE near and after sunset. RAP sounding show a 50+ kt
low-level jet increasing low-level hodograph size into the overnight
hours. Given the continued risk and potential for storms to move
east of the current watch, the severe risk continues and a
downstream watch is likely needed this evening.

..Lyons/Smith.. 06/10/2026

...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!7umwIRKAlg24tPsF7-b4BdleI914jfCIRLwthKoa5Qmmao_L-ZM4n6ERtR_0ZBE2PIq7dZcO-= -te7HQ1Rx14bBr8v8k$ for graphic product...

ATTN...WFO...FSD...OAX...GID...LBF...UNR...

LAT...LON 43030197 42989723 42779635 42439608 42019582 41089568
40529630 40329688 40269780 40319845 40459903 40789972
41090075 41400173 42070201 43030197=20

MOST PROBABLE PEAK TORNADO INTENSITY...100-125 MPH
MOST PROBABLE PEAK WIND GUST...65-80 MPH
MOST PROBABLE PEAK HAIL SIZE...2.00-3.50 IN


=3D =3D =3D
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