This is a short entry as I technically chased twice this day but the first one was kind of a bust where I drove up to O’Neill and then drove back home after not much happened and waited for later storms. I was expecting early afternoon storms in the northern portion of the marginal risk but that didn’t pan out.
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A sagging frontal boundary with very high instability in southeastern Nebraska and northeastern Kansas was expected to be the primary target zone for severe weather with a chance for tornadoes and large hail. SPC had specifically outlined Northwest Missouri with higher probabilities but I was more interested in the western edge of the risk area for a better chance at isolated cells and to avoid the Missouri terrain.
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After a quiet day, the active weather week resumed on June 9th. A couple of interesting target areas presented themselves this day. There was a weak triple point in northern Nebraska while further southwest a lee cyclone created a pocket of enhanced tornado probabilities in southwestern Nebraska.
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Another day of local chasing as a shortwave was moving out of the Rockies and upslope flow was forecast to initiate storms along the higher terrain that would roll off later in the afternoon and progress across Nebraska. Moisture was limited, however, and I debated even chasing this day so I would end up waiting until late afternoon before heading out.
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June 6th was a bit of a marginal day, a weak surface low beneath a modest shortwave trough along with looped hodographs would create an atmosphere favorable for south-east moving supercells across Western and Central Nebraska. We had a nice introduction to June for severe weather across Nebraska with plenty of local opportunities for chases.
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