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Atypically Strong West Coast Extratropical Cyclone 3-4 January 2008 Cameron Loughlin.

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Presentation on theme: "Atypically Strong West Coast Extratropical Cyclone 3-4 January 2008 Cameron Loughlin."— Presentation transcript:

1 Atypically Strong West Coast Extratropical Cyclone 3-4 January 2008 Cameron Loughlin

2 Atypically Strong West Coast Extratropical Cyclone 3-4 January 2008 Record-setting wind speeds Rapid Decline in Pressure Heavy Precipitation

3 Sea Level Pressure and Winds Peak Wind Gust of 68 mph Sustained Winds in MPH

4 Atypically Strong West Coast Extratropical Cyclone 3-4 January 2008 Record-setting wind speeds Rapid Decline in Pressure Heavy Precipitation

5 Sea Level Pressure and Winds Rapid Decline in Pressure 1012 mb at 6:00 UTC 998 mb at 15:54 UTC

6 Atypically Strong West Coast Extratropical Cyclone 3-4 January 2008 Record-setting wind speeds Rapid Decline in Pressure Heavy Precipitation

7 Precipitation Totals for 4 January 2008

8 Over an inch in 4 hours

9 Quasigeostrophic Assessment Quasigeostrophic Omega (QG) Equation Sutcliffe-Petterssen Development Equation

10 More on QG Omega Equation and Sutcliffe-Petterssen Development Equation - QG Omega Equation LHS: Omega RHS: Vorticity Advection, Temperature Advection - Sutcliffe-Petterssen Equation LHS: Relative Vorticity Tendency RHS: 500 mb vorticity advection, 1000 mb horizontal temperature advection


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