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Severe Weather 2026

SPC has outlined a day 4 (Friday) 15% for Eastern NE into MN and far west WI.
day4prob.gif
This is a sounding I pulled from somewhere in the SCP bullseye in MN/WI around the far Northeast corner of the risk:
1788882519331.png
A couple Issues worth noting are TD spreads straddling the 20 degree range, 700mb temps on that 10 degree mark, and -87 low-level CIN, but those SRH numbers alone have my eybrows raised, even if just by a slight amount.
 
Yesterday verified superb in ND for photogenic tor potential as I had mentioned.

Today, a 2% is outlined around the Des Moines vicinity @Grand Poo Bah and while it's a low end setup, something can't be fully ruled out. 500mb flow is rather meager but a subtle 700mb shortwave should help to fire stuff in C IA today.
hrrr_2026090812_012_41.96--93.23.png700wh.conus (1).png

A lot of dry air may cause more outflowy production and potentially damaging winds but heads up anyways!

TOMORROW

I know I've been up and down but I don't fully think that areas are out of the gun with a tornado risk tomorrow. W NY catches my eye. While instability will be paltry due to warmer mid levels as we've discussed but just enough instability combined with shear in excess of 300+ SRH could help any line segments strongly forced by the intense mid level jet. hrrr_2026090812_036_42.49--76.26.png700wh.conus (2).png

The 11th was outlined as mentioned above by @ThatGuy;P. It seems that localized intense bout of shear evolves from this localized 50+ kt 700mb jet max that hits the cluster of sorts in this environment. The 500mb jet also hits this area bang on. While intense shear does exist, uncertainties about storm mode in this environment exist. All down south is a damaging wind/hail risk that may be more discrete in nature. 500wh.conus (4).png
Notice the lack of flow the further you go. Height falls are also generally poor too except for up in NE MN. this area catches my eye plenty. 700wh.conus (3).png
That 60+ kt peak may be convective influence but regardless, it's a interesting synoptic picture that favors one area in particular. Tornado risk absolutely exists, to what extent or how high is unknown atm.
 
Yesterday verified superb in ND for photogenic tor potential as I had mentioned.

Today, a 2% is outlined around the Des Moines vicinity @Grand Poo Bah and while it's a low end setup, something can't be fully ruled out. 500mb flow is rather meager but a subtle 700mb shortwave should help to fire stuff in C IA today.
View attachment 54883View attachment 54884

A lot of dry air may cause more outflowy production and potentially damaging winds but heads up anyways!

TOMORROW

I know I've been up and down but I don't fully think that areas are out of the gun with a tornado risk tomorrow. W NY catches my eye. While instability will be paltry due to warmer mid levels as we've discussed but just enough instability combined with shear in excess of 300+ SRH could help any line segments strongly forced by the intense mid level jet. View attachment 54885View attachment 54886

The 11th was outlined as mentioned above by @ThatGuy;P. It seems that localized intense bout of shear evolves from this localized 50+ kt 700mb jet max that hits the cluster of sorts in this environment. The 500mb jet also hits this area bang on. While intense shear does exist, uncertainties about storm mode in this environment exist. All down south is a damaging wind/hail risk that may be more discrete in nature. View attachment 54887
Notice the lack of flow the further you go. Height falls are also generally poor too except for up in NE MN. this area catches my eye plenty. View attachment 54888
That 60+ kt peak may be convective influence but regardless, it's a interesting synoptic picture that favors one area in particular. Tornado risk absolutely exists, to what extent or how high is unknown atm.
Thanks for the heads up! Today was totally not even on my radar! (Hehe)
 
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