9 April 2010 Map Discussion

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CPC: AO index forecast (GFS and GEFS) and NH polar vortex time-pressure cross section
ESRL plots
GOES 12 water vapor loop (1 FEB through 28 MAR)


1-deg GFS analyses for 1 FEB through 6 APR 2010

Potential temperature (K, shaded) and wind speed (every 10 m s^-1 starting at 60, white contours) on the dynamic tropopause (1.5-PVU surface); 925-850 hPa cyclonic relative vorticity (every 5 x 10^-5 s^-1)

- NH: ALL - FEB - MAR-APR
- North Atlantic: ALL - FEB - MAR-APR
- North America: ALL - FEB - MAR-APR
- North Pacific: ALL - FEB - MAR-APR
- South Atlantic: APR
- India: 1-16 APR (wind speed contoured starting at 50 m^s-1)

300-hPa wind speed (m s^-1, color shading), total-column precipitable water (mm, gray shading), 1000-500 hPa thickness (dashed red and blue contours, every 6 dam), and sea level pressure (black solid contours, every 4 hPa)

- North Atlantic: ALL - FEB - MAR-APR
- North America: ALL - FEB - MAR-APR
- North Pacific: ALL - FEB - MAR-APR
- South Atlantic: APR
- India: 1-16 APR

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