August 18th 2015 Tornado Warned Supercell Romeoville Illinois

Jan 07, 2016

Summary: Tracked first set of storms noting supercell structures before abandoning for better development further east towards home. Got on Supercell that almost produced tornado near the NWS Chicago office in Romeoville, IL Stats: Tornadoes: 0 Hail: o.00 Wind: n/a The Forecast: Slow moving upper level system bringing cold front across IL warm sector where […]

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July 18th 2015 – Weak Tornado Near the Wisconsin Border

Dec 21, 2015

Summary: Chase a pair of supercells in a weakening phase, catching what is probably the weakest tornado I will ever see. Stats: Tornadoes: 1 Hail: .25″ Wind: n/a The Forecast: Zonal flow regime with shortwave energy moving through it. Sufficient deep moisture in place in typical summer-like airmass. Moderate speed shear present in southern end […]

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July 13th Northern Illinois Supercell

Dec 19, 2015

Summary: Tracked Classic looking supercell from birth noting dramatic RFD structure but ultimately failed to produce tornado Stats: Tornadoes: 0 Hail: .75″ (Penny) Wind: None The Forecast: Extreme dewpoint values approaching and exceeding 80 leading to extreme CAPE values in northwest flow regime. Outflow boundary from morning MCS would set up across the area and […]

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June 24th Iowa Tornado Warned Storms

Dec 08, 2015

Summary: Intercepted several storms, including a pair of tornado warnings but storms were mostly outflow dominant. Stats: Tornadoes: 0 Hail: .75″ (Penny) Wind: n/a The Forecast: Slow moving frontal boundary/surface low across Central Iowa. Seasonably strong instability values but relatively weak directional and speed shear. Supercells were possible with initial development but storms were expected […]

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June 22nd 2015 Harmon, Coal City Illinois Tornado

Dec 01, 2015

Summary: Tracked monster supercell that tracked across Northern Illinois, producing at least 10 tornadoes along its way. Stats: Tornadoes: 1 Hail: n/a Wind: est 80mph inflow The Forecast: Strong jet streak moving atop stalled frontal boundary, with extreme values of instability in place. Rich, deep gulf moisture with dewpoints in the upper 70s to near […]

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