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SEV HI TURB Cntrl CA

SEV HI TURB Cntrl CA. Noel Keene ZOA CWSU 23 Nov 2007 2 CWAs(1 Lo Turb, 1 Hi Turb) and 1 SIGMET. Water Vapor Darkening Over Time…Confluence/Drying. Confluence near FL300. 3 SEV HI TURB PIREPS 13Z-15Z. SEV TURB BUT DOES NOT SHOW ON GRAPHIC. PIREPS 15Z-18Z. GTG Model Verified.

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SEV HI TURB Cntrl CA

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  1. SEV HI TURBCntrl CA Noel Keene ZOA CWSU 23 Nov 2007 2 CWAs(1 Lo Turb, 1 Hi Turb) and 1 SIGMET

  2. Water Vapor Darkening Over Time…Confluence/Drying

  3. Confluence near FL300

  4. 3 SEV HI TURB PIREPS 13Z-15Z SEV TURB BUT DOES NOT SHOW ON GRAPHIC

  5. PIREPS 15Z-18Z

  6. GTG Model Verified

  7. Lessons Learned • CWSU can prepare Air Traffic Control for Sev Turb through advance comm. with AWC, TMU • Look for confluent area on AMDAR/models to decide on coverage for High Turbulence CWA • If GTG model shows continuity in forecasting Sev Turb and verifies…use and extrapolate for future hours

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