Tag: wall cloud

13 Dec

August 12, 2017 – Nebraska Panhandle

stratosigma / Blog, Storm Chasing / / Comments

August 12th featured a shortwave trough moving across the Northern Plains into the Upper Great Lakes while a lee trough was forecast to develop across western Nebraska and eastern Colorado. With surface dewpoints into the low 60s and modest backing low level wind fields into the Nebraska Panhandle it seemed like there was a good opportunity for organized severe weather.
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11 Dec

June 17, 2017 – Northeast Kansas

stratosigma / Blog, Storm Chasing / / Comments

June 17th was the last decent shot at severe weather during my week off. A large MCS from the prior day storms traveled overnight across southeastern Nebraska and Missouri. This complex left an outflow boundary which arced from Beatrice, NE to Kearney then southwest into Kansas and Oklahoma. Meanwhile a weak frontal zone was present from New Mexico through Kansas into Iowa.  Either of these features would serve as the focus for storms later in the day, unfortunately that meant a zone stretching from western Kansas into the lower Great Lakes.
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10 Dec

June 16, 2017 – Meadow Grove, Nebraska

stratosigma / Blog, Storm Chasing / / Comments

June 16th featured a surface low expected to drift across Northern Nebraska into Western Iowa while a belt of strong westerlies clipped the area at 500mb. A weak cold front stretched from Minnesota through Nebraska into Colorado. Mid 60°F dewpoints existing in the warm sector across southeastern Nebraska into Iowa but low level wind fields looked to be rather weak. To me, this made the play obvious: play the surface low.
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31 Jul

May 26, 2017 – Eastern Colorado

stratosigma / Blog, Storm Chasing / / Comments

May 26th and 27th looked like a couple of opportunities for some storm chasing in the High Plains. The 26th looked like a decent upslope shot in Eastern Colorado while the following day looked much more potent, but looked like it could transpire across unfavorable chasing terrain in Eastern Kansas, Northeast Oklahoma and Southern Missouri.
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14 May

April 14, 2017 – Central Nebraska

stratosigma / Blog, Storm Chasing / / Comments

Generally westerly flow aloft as a trough edged in from the Pacific Northwest while at the surface a surface low was progged to develop in NE Colorado and drift eastward while a dryline extended south through Western Kansas into New Mexico. SPC had outlined a slight risk along the dryline from Kansas south along the Texas/New Mexico border. Marginal tornado probabilities extended along the same region as well as a bit into Nebraska closer to the low.
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