April 9th – St Ansgar, Iowa Hail

Apr 10, 2017 Comments Off on April 9th – St Ansgar, Iowa Hail by

Summary: Cap busted during the day, but intercepted severe hailstorm on the way home during a marginal IA setup. Details: Tornadoes: 0 Hail: 1.50″ (Ping Pong Ball) Wind: n/a The Forecast: Slowly deepening surface low ahead of large warm sector with ample return flow in place for severe storms. A strong cap was forecast to […]

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August 22nd Iowa Cold Front Grunge

Jan 07, 2016 Comments Off on August 22nd Iowa Cold Front Grunge by

Summary: Chased setup against better judgement because it fell on a weekend, and came away with pretty much nothing other than an amusing story about how the local cops thought we were bank robbers. Stats: Tornadoes: 0 Hail: 0.00″ Wind: n/a The Forecast: Weakly sheared cold front sweeping across Iowa with questionable airmass recovery and […]

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June 24th Iowa Tornado Warned Storms

Dec 08, 2015 Comments Off on June 24th Iowa Tornado Warned Storms by

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 20th 2015 Iowa Squall Line – Eddyville Tornado.

Dec 01, 2015 Comments Off on June 20th 2015 Iowa Squall Line – Eddyville Tornado.

Summary: Tracked intense squall line across southeast Iowa – getting very near QLCS tornado near the town of Eddyville. Stats:¬† Tornadoes: 1 Hail: 1.25″ (half dollar) Wind: est 60-70mph inflow to QLCS tornado The Forecast: High Cape, stalling frontal boundary with jet streak moving in to trigger more storms. Shear profiles largely unidirectional but some […]

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Des Moines Airport Tornado November 11th 2015

Nov 12, 2015 Comments Off on Des Moines Airport Tornado November 11th 2015

Summary: Difficult chase playing tag with QLCS style rotations embedded within numerous storms. Managed to capture weak tornado touching down at the DSM airport. Stats: Tornadoes: 1 Hail: .50″ (dime) Wind: Est 60-70 RFD The Setup: Strong, deepening mid latitude cyclone bringing extreme values of shear across the midwest. Just in time nature of moisture […]

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