500-hPa geopotential height (dam; solid contours), absolute relative vorticity (10-5 s-1, cyclonic only shaded according to scale), and wind barbs (standard convention).

7-day Forecast (init. 1200 UTC 26 Jan 2011)

Verifying Analysis (1200 UTC 2 Feb 2011)

5-day Forecast (init. 1200 UTC 28 Jan 2011)

Verifying Analysis (1200 UTC 2 Feb 2011)

3-day Forecast (init. 1200 UTC 30 Jan 2011)

Verifying Analysis (1200 UTC 2 Feb 2011)

1-day Forecast (init. 1200 UTC 1 Feb 2011)

Verifying Analysis (1200 UTC 2 Feb 2011)