Wednesday, June 21, 2017

LIX: Tropical System (New Orleans)




Tornado Warning Issued prior to ProbTor identification: Warning environment is within outer rainbands of Tropical Storm Cindy. 
  • Warning decision mainly based on velocity couplet and mini-super cell appearance on reflectivity. Velocity couplet is weak and probably on the lower end threshold but ProbTor had not identified it by 19:35. 
Velocity Couplet

  • ProbTor identified the cell by 19:38z with a prob of 9%.

ProbTor at 9%

  • 1946Z: 0.5 velocity signature weak, but ProbTor increased to 15% probability.    Forecaster  -Tahoe

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